From 2494eaf6fd2a4656ae9cf5a943ea8720cd86ecd4 Mon Sep 17 00:00:00 2001 From: Steve Chamberlain Date: Wed, 24 May 1995 21:45:01 +0000 Subject: [PATCH] Wed May 24 14:37:31 1995 Steve Chamberlain * New. --- sim/arm/COPYING | 339 +++++++++++++ sim/arm/Makefile.orig | 120 +++++ sim/arm/README.Cygnus | 27 + sim/arm/README.orig | 58 +++ sim/arm/arm.mt | 3 + sim/arm/armfpe.h | 1351 +++++++++++++++++++++++++++++++++++++++++++++++++ sim/arm/armopts.h | 30 ++ sim/arm/armos.h | 64 +++ sim/arm/armrdi.c | 1042 ++++++++++++++++++++++++++++++++++++++ sim/arm/bag.h | 42 ++ sim/arm/communicate.c | 221 ++++++++ sim/arm/communicate.h | 37 ++ sim/arm/configure.in | 35 ++ sim/arm/dbg_conf.h | 48 ++ sim/arm/dbg_cp.h | 62 +++ sim/arm/dbg_hif.h | 47 ++ sim/arm/dbg_rdi.h | 323 ++++++++++++ sim/arm/gdbhost.c | 107 ++++ sim/arm/gdbhost.h | 23 + sim/arm/kid.c | 510 +++++++++++++++++++ sim/arm/main.c | 183 +++++++ sim/arm/parent.c | 483 ++++++++++++++++++ sim/arm/run.c | 155 ++++++ 23 files changed, 5310 insertions(+) create mode 100644 sim/arm/COPYING create mode 100644 sim/arm/Makefile.orig create mode 100644 sim/arm/README.Cygnus create mode 100644 sim/arm/README.orig create mode 100644 sim/arm/arm.mt create mode 100644 sim/arm/armfpe.h create mode 100644 sim/arm/armopts.h create mode 100644 sim/arm/armos.h create mode 100644 sim/arm/armrdi.c create mode 100644 sim/arm/bag.h create mode 100644 sim/arm/communicate.c create mode 100644 sim/arm/communicate.h create mode 100644 sim/arm/configure.in create mode 100644 sim/arm/dbg_conf.h create mode 100644 sim/arm/dbg_cp.h create mode 100644 sim/arm/dbg_hif.h create mode 100644 sim/arm/dbg_rdi.h create mode 100644 sim/arm/gdbhost.c create mode 100644 sim/arm/gdbhost.h create mode 100644 sim/arm/kid.c create mode 100644 sim/arm/main.c create mode 100644 sim/arm/parent.c create mode 100644 sim/arm/run.c diff --git a/sim/arm/COPYING b/sim/arm/COPYING new file mode 100644 index 0000000..a43ea21 --- /dev/null +++ b/sim/arm/COPYING @@ -0,0 +1,339 @@ + GNU GENERAL PUBLIC LICENSE + Version 2, June 1991 + + Copyright (C) 1989, 1991 Free Software Foundation, Inc. + 675 Mass Ave, Cambridge, MA 02139, USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The licenses for most software are designed to take away your +freedom to share and change it. By contrast, the GNU General Public +License is intended to guarantee your freedom to share and change free +software--to make sure the software is free for all its users. This +General Public License applies to most of the Free Software +Foundation's software and to any other program whose authors commit to +using it. (Some other Free Software Foundation software is covered by +the GNU Library General Public License instead.) You can apply it to +your programs, too. + + When we speak of free software, we are referring to freedom, not +price. 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You may copy and distribute verbatim copies of the Program's +source code as you receive it, in any medium, provided that you +conspicuously and appropriately publish on each copy an appropriate +copyright notice and disclaimer of warranty; keep intact all the +notices that refer to this License and to the absence of any warranty; +and give any other recipients of the Program a copy of this License +along with the Program. + +You may charge a fee for the physical act of transferring a copy, and +you may at your option offer warranty protection in exchange for a fee. + + 2. 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It is safest +to attach them to the start of each source file to most effectively +convey the exclusion of warranty; and each file should have at least +the "copyright" line and a pointer to where the full notice is found. + + + Copyright (C) 19yy + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +Also add information on how to contact you by electronic and paper mail. + +If the program is interactive, make it output a short notice like this +when it starts in an interactive mode: + + Gnomovision version 69, Copyright (C) 19yy name of author + Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, the commands you use may +be called something other than `show w' and `show c'; they could even be +mouse-clicks or menu items--whatever suits your program. + +You should also get your employer (if you work as a programmer) or your +school, if any, to sign a "copyright disclaimer" for the program, if +necessary. Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright interest in the program + `Gnomovision' (which makes passes at compilers) written by James Hacker. + + , 1 April 1989 + Ty Coon, President of Vice + +This General Public License does not permit incorporating your program into +proprietary programs. If your program is a subroutine library, you may +consider it more useful to permit linking proprietary applications with the +library. If this is what you want to do, use the GNU Library General +Public License instead of this License. diff --git a/sim/arm/Makefile.orig b/sim/arm/Makefile.orig new file mode 100644 index 0000000..020045c --- /dev/null +++ b/sim/arm/Makefile.orig @@ -0,0 +1,120 @@ +# Makefile for ARMulator: ARM6 Instruction Emulator. +# Copyright (C) 1994 Advanced RISC Machines Ltd. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +# These variables can be overridden + +#Default endianness of the processor (LITTLEEND or BIGEND) +ENDIAN=LITTLEEND + +prefix=/usr/local +CC = gcc +CFLAGS = -O2 -D$(ENDIAN) $(CFL) +INSTALL_DIR = $(prefix)/bin +INSTALL=cp + +# Everything else should be ok as it is. + +OBJS = armcopro.o armemu26.o armemu32.o arminit.o armos.o \ + armsupp.o main.o parent.o kid.o communicate.o gdbhost.o \ + bag.o armrdi.o + +SRCS = armcopro.c armemu.c arminit.c armos.c armvirt.c \ + armsupp.c main.c parent.c kid.c communicate.c gdbhost.c \ + bag.c armrdi.c +INCS = armdefs.h armemu.h armfpe.h armopts.h armos.h bag.h communicate.h \ + dbg_conf.h dbg_cp.h dbg_hif.h dbg_rdi.h gdbhost.h + +TARED = $(SRCS) $(INCS) README COPYING Makefile + +MODEL = armvirt + +VER=1.0 + +all: armul + +install: all + $(INSTALL) armul $(INSTALL_DIR) + +armul: $(OBJS) $(MODEL).o + $(CC) $(CFLAGS) $(OBJS) $(MODEL).o -o $@ -lm -lXext -lX11 + +clean: + rm -f *.o armul core + +distclean: clean + rm -f *~ + +realclean: distclean + rm -f *.tar *.tar.gz + +armul.tar.gz: + rm -rf armul-$(VER) + mkdir armul-$(VER) + cd armul-$(VER) ; \ + for file in $(TARED) ; do \ + ln ../$${file} . ; \ + done + tar cf armul.tar armul-$(VER) + gzip armul.tar + mv armul.tar.gz armul-$(VER).tar.gz + +# memory models + +armvirt.o: armdefs.h armvirt.c + $(CC) $(CFLAGS) -c $*.c + +# other objects + +armos.o: armos.c armdefs.h armos.h armfpe.h + $(CC) $(CFLAGS) -c $*.c + +armcopro.o: armcopro.c armdefs.h + $(CC) $(CFLAGS) -c $*.c + +armemu26.o: armemu.c armdefs.h armemu.h + $(CC) $(CFLAGS) -o armemu26.o -c armemu.c + +armemu32.o: armemu.c armdefs.h armemu.h + $(CC) $(CFLAGS) -o armemu32.o -DMODE32 -c armemu.c + +arminit.o: arminit.c armdefs.h armemu.h + $(CC) $(CFLAGS) -c $*.c + +armrdi.o: armrdi.c armdefs.h armemu.h armos.h dbg_cp.h dbg_conf.h dbg_rdi.h \ + dbg_hif.h communicate.h + $(CC) $(CFLAGS) -c $*.c + +armsupp.o: armsupp.c armdefs.h armemu.h + $(CC) $(CFLAGS) -c $*.c + +kid.o: kid.c armdefs.h dbg_conf.h dbg_hif.h dbg_rdi.h gdbhost.h communicate.h + $(CC) $(CFLAGS) -c $*.c + +main.o: main.c armdefs.h dbg_rdi.h dbg_conf.h + $(CC) $(CFLAGS) -c $*.c + +communicate.o: communicate.c armdefs.h + $(CC) $(CFLAGS) -c $*.c + +bag.o: bag.c bag.h + $(CC) $(CFLAGS) -c $*.c + +gdbhost.o: gdbhost.c armdefs.h communicate.h dbg_rdi.h armos.h + $(CC) $(CFLAGS) -c $*.c + +parent.o: parent.c armdefs.h dbg_rdi.h communicate.h + $(CC) $(CFLAGS) -c $*.c diff --git a/sim/arm/README.Cygnus b/sim/arm/README.Cygnus new file mode 100644 index 0000000..14dd5b4 --- /dev/null +++ b/sim/arm/README.Cygnus @@ -0,0 +1,27 @@ + +This directory contains the standard release of the ARMulator from +Advanced RISC Machines, and was ftp'd from. + +ftp.cl.cam.ac.uk:/arm/gnu + +It likes to use TCP/IP between the simulator and the host, which is +nice, but is a pain to use under anything non-unix. + +I've added created a new Makefile.in (the original in Makefile.orig) +to build a version of the simulator without the TCP/IP stuff, and a +wrapper.c to link directly into gdb and the run command. + +It should be possible (barring major changes in the layout of +the armulator) to upgrade the simulator by copying all the files +out of a release into this directory and renaming the Makefile. + +(Except that I changed armos.c to understand our fcntl flags +and made it possible to set breakpoints simply) + +Steve + +sac@cygnus.com + +Mon May 15 12:03:28 PDT 1995 + + diff --git a/sim/arm/README.orig b/sim/arm/README.orig new file mode 100644 index 0000000..d131a39 --- /dev/null +++ b/sim/arm/README.orig @@ -0,0 +1,58 @@ +This is the README file for ARMulator version 1.0, an ARM6 instruction +emulator. + +Configuration: + The armulator has one configuration option, the default endianness + of the processor. This can be changed by building with ENDIAN=BIGEND + to produce a big-endian variant. The debugger can also select the + endianness at run-time. + +Build instructions: + + This program is known to compile using GCC 2.6.0 on a Sun4. Other + builds are untested. It almost certainly will not work on non-32bit + machines. + + To build the program simply type make in the source directory, + followed by "make install" + +Using the emulator: + + The emulator runs as a separate process, and communicates with a + debugger via tcp. To start the emulator type + armul + where socknum is any number between 1024 and 65535. If the socket is + already in use, armul will exit with an error. + + This version of armul has been designed to work with gdb-4.13 + with the ARM/RDP/RDI extensions added (available separately). To + connect gdb to the ARMulator, start gdb and type + target arm : + where hostname is the name of the machine on which the armulator + is running, and socknum is the socket number specified when armul + was started. + +IMPORTANT: + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + + Advanced RISC Machines welcomes bug reports for this package, + but no undertaking can be made to provide support or reply to email. + Bugs should be sent to: + armgnu@armltd.co.uk + + + + \ No newline at end of file diff --git a/sim/arm/arm.mt b/sim/arm/arm.mt new file mode 100644 index 0000000..e3e0c19 --- /dev/null +++ b/sim/arm/arm.mt @@ -0,0 +1,3 @@ +ALL=all-arm +CLEAN=clean-arm +DO_INSTALL=install-arm diff --git a/sim/arm/armfpe.h b/sim/arm/armfpe.h new file mode 100644 index 0000000..91c8f61 --- /dev/null +++ b/sim/arm/armfpe.h @@ -0,0 +1,1351 @@ +/* armfpe.h -- ARMulator pre-compiled FPE: ARM6 Instruction Emulator. + Copyright (C) 1994 Advanced RISC Machines Ltd. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* Array containing the Floating Point Emualtor (FPE). */ + + +unsigned long fpecode[] = { +0x00000000,0x00000000,0x00000000,0x00000000, +0x00000000,0x00000000,0x00000000,0x00000000, +0x00000000,0x00000000,0x00000000,0x00000000, +0x00000000,0x00000000,0x00000000,0x00000000, +0x00000000,0x00000000,0x00000000,0x00000000, +0x00000000,0x00000000,0x00000000,0x00000000, +0x00000000,0x00000000,0x00000000,0x00000000, +0x00000000,0x00000000,0x00000000,0x00000000, +0x00000000,0x00000000,0x00000000,0x00000000, +0x00000000,0x00000000,0x00000000,0x00000000, +0x00000000,0x00000000,0x00000000,0x00000000, +0x00000000,0x00000000,0x00000000,0x00000000, +0x00000000,0x00000000,0x00000000,0x00000000, +0x00000000,0x00000000,0x00000000,0x00000000, +0x00000000,0x00000000,0x00000000,0x00000000, +0x00000000,0x00000000,0x00000000,0x00000000, +0x00000000,0x00000000,0x00000000,0x00000000, +0x00000000,0x00000000,0x00000000,0x00000000, +0x00000000,0x00000000,0x00000000,0x00000000, +0x00000000,0x00000000,0x00000000,0x00000000, +0x00000000,0x00000000,0x00000000,0x00000000, +0x00000000,0x00000000,0x00000000,0x00000000, +0x00000000,0x00000000,0x00000000,0x00000000, +0x00000000,0x00000000,0x00000000,0x00000000, +0x00070000,0x00000000,0xe92d400e,0xeb0013ef, +0xe28f00d4,0xe1a00120,0xe38004ea,0xe3a01004, +0xe5912000,0xe24f3028,0xe1500002,0x15832000, +0x15810000,0xe3a00001,0xe8bd800e,0xe28d9040, +0xe1a0a00e,0xe24f7048,0xe597b000,0xe20b74ee, +0xe14f8000,0xe2088040,0xe388809b,0xe121f008, +0xe35704ea,0x004bb007,0x01a0b10b,0x028bf00c, +0xe20b733b,0xe3570339,0x01a0ba0b,0x01a0ba2b, +0x059bb00c,0x0249800c,0x08880e00,0x0919ff80, +0xe24f7094,0xe1a0f007,0xe14f8000,0xe2088040, +0xe3888093,0xe121f008,0xe8dd7fff,0xe1a00000, +0xe28dd03c,0xe8fd8000,0xe14f8000,0xe2088040, +0xe3888093,0xe121f008,0xe8bd1fff,0xe28dd00c, +0xe1b0f00e,0xe14f8000,0xe2088040,0xe3888093, +0xe121f008,0xe28dd01c,0xe8bd1f80,0xe28dd00c, +0xe1b0f00e,0x00002100,0xe90d4007,0xe14f0000, +0xe24d1010,0xe10f2000,0xe20220c0,0xe3822003, +0xe121f002,0xe169f000,0xe8914007,0xe24dd040, +0xe8cd7fff,0xe24fcf6b,0xe58de03c,0xe24ea004, +0xe14f9000,0xe20990c0,0xe3899003,0xe121f009, +0xe4ba9008,0xe20987fe,0xe2197010,0xe0077aa9, +0xe0288a07,0x02097402,0x00077509,0x00888007, +0xe2097c0f,0xe3370c01,0x0209733e,0x0337033a, +0x008ff8a8,0xea00009f,0xea0003b7,0xea0003b6, +0xea000307,0xea000306,0xea0003b3,0xea0003b2, +0xea000303,0xea000302,0xea0003c3,0xea0003c2, +0xea00030d,0xea00030c,0xea0003bf,0xea0003be, +0xea000309,0xea000308,0xea0003cf,0xea0003ce, +0xea000314,0xea000313,0xea0003cb,0xea0003ca, +0xea000310,0xea00030f,0xea0003db,0xea0003da, +0xea00031a,0xea000319,0xea0003d7,0xea0003d6, +0xea000316,0xea000315,0xea0003e7,0xea0003e6, +0xea000321,0xea000320,0xea0003f7,0xea0003f6, +0xea00032b,0xea00032a,0xea000449,0xea000448, +0xea000335,0xea000334,0xea000459,0xea000458, +0xea000340,0xea00033f,0xea000469,0xea000468, +0xea00034b,0xea00034a,0xea000479,0xea000478, +0xea000355,0xea000354,0xea000489,0xea000488, +0xea00035f,0xea00035e,0xea000499,0xea000498, +0xea00036a,0xea000369,0xea000ac8,0xea000ac5, +0xea000c3d,0xea000c3a,0xea000b7b,0xea000b78, +0xea000b79,0xea000b76,0xea000d34,0xea000d31, +0xea000d08,0xea000d05,0xea000e34,0xea000e31, +0xea000e1c,0xea000e19,0xea000ecf,0xea000ecc, +0xea000c2d,0xea000c2a,0xea000d28,0xea000d25, +0xea000cfc,0xea000cf9,0xea00123d,0xea00123a, +0xeaffff55,0xeaffff54,0xeaffff53,0xeaffff52, +0xeaffff51,0xeaffff50,0xea0007b8,0xea0007ec, +0xea00073c,0xea00073b,0xea000806,0xea000805, +0xea00080f,0xea00080e,0xeaffff47,0xeaffff46, +0xeaffff45,0xeaffff44,0xeaffff43,0xeaffff42, +0xeaffff41,0xeaffff40,0xeaffff3f,0xeaffff3e, +0xea00086f,0xea00086e,0xeaffff3b,0xeaffff3a, +0xea00086b,0xea00086a,0xeaffff37,0xeaffff36, +0xea0007ff,0xea0007fe,0xeaffff33,0xeaffff32, +0xea0007fb,0xea0007fa,0xea000914,0xea0008f3, +0xea00091f,0xea0008fb,0xea00092b,0xea000904, +0xea0009dc,0xea0009d9,0xea0009fd,0xea0009fa, +0xea000ef8,0xea000ef5,0xea000ef6,0xea000ef3, +0xea000f9d,0xea000f9a,0xea00111e,0xea00111b, +0xea00111c,0xea001119,0xea00104e,0xea00104b, +0xea001147,0xea001144,0xea001145,0xea001142, +0xea00125a,0xea001257,0xeaffff13,0xeaffff12, +0xeaffff11,0xeaffff10,0xe3190c0e,0x1affff0e, +0xe3190c01,0x13190302,0x0affff0b,0xe28fb016, +0xe79b7d27,0xe14fb000,0xe1a0be2b,0xe28bb010, +0xe1170b37,0x0affff51,0xeaffff29,0x8000f0f0, +0x80000f0f,0x8000cccc,0x80003333,0x8000ff00, +0x800000ff,0x8000aaaa,0x80005555,0x8000cfcf, +0x80003030,0x800055aa,0x8000aa55,0x80005faf, +0x8000a050,0x80000000,0x8000ffff,0xe1300007, +0x5a000002,0xea00004a,0xe3100102,0x1a000048, +0xe053400b,0x4a00002d,0xe2745020,0xda00001b, +0xe092243a,0x20822518,0x30922518,0xe0b11438, +0xe1a0451a,0x2a000006,0xe0922fa4,0xe2b11000, +0x31b0f00e,0xe3a01102,0xe2833001,0xe1a040a4, +0xe1b0f00e,0xe2833001,0xe1a040a4,0xe1844f82, +0xe1a020a2,0xe1822f81,0xe1a01061,0xe0922fa4, +0xe2a11000,0xe1b0f00e,0xe1a04538,0xe0922fa4, +0xe2b11000,0x23a01102,0x22833001,0xe1b0f00e, +0xe2545040,0xaafffff7,0xe2444020,0xe2645020, +0xe0922438,0xe2b11000,0xe1a04518,0xe184443a, +0x2affffe7,0xe0922fa4,0xe2b11000,0x31b0f00e, +0xe3a01102,0xe2833001,0xe1a040a4,0xe1b0f00e, +0xe2644000,0xe1a0300b,0xe1a05001,0xe1a01008, +0xe1a08005,0xe1a05002,0xe1a0200a,0xe1a0a005, +0xe2745020,0xdaffffe5,0xe092243a,0x20822518, +0x30922518,0xe0b11438,0xe1a0451a,0x2affffd0, +0xe0922fa4,0xe2b11000,0x31b0f00e,0xe3a01102, +0xe2833001,0xe1a040a4,0xe1b0f00e,0xe3100102, +0x1affffb6,0xe053600b,0x4a00003d,0x01510008, +0x0152000a,0x0a00004f,0x3a000039,0xe3a04000, +0xe2765020,0xda00001a,0xe054451a,0xe0d2263a, +0x30422518,0x20522518,0xe0d11638,0x5a000002, +0xe0922fa4,0xe2a11000,0xe1b0f00e,0xe0944004, +0xe0b22002,0xe0b11001,0xe2433001,0x5afffffa, +0xe0922fa4,0xe2b11000,0x31b0f00e,0xe3a01102, +0xe2833001,0xe1a040a4,0xe1b0f00e,0xe0544538, +0x41b0f00e,0xe2d22000,0xe2d11000,0x41b0f00e, +0xeaffffed,0xe3a04000,0xe2565040,0xaafffff6, +0xe2466020,0xe2665020,0xe054751a,0xe0d4463a, +0x30444518,0x20544518,0xe0d22638,0xe2d11000, +0x5a000002,0xe0922fa4,0xe2a11000,0xe1b0f00e, +0xe0977007,0xe0b44004,0xe0b22002,0xe0b11001, +0xe2433001,0x5afffff9,0xe0922fa4,0xe2b11000, +0x31b0f00e,0xe3a01102,0xe2833001,0xe1a040a4, +0xe1b0f00e,0xe2666000,0xe2200102,0xe1a0300b, +0xe1a05001,0xe1a01008,0xe1a08005,0xe1a05002, +0xe1a0200a,0xe1a0a005,0xe3a04000,0xe2765020, +0xdaffffd7,0xe054451a,0xe0d2263a,0x30422518, +0x20522518,0xe0d11638,0x5affffbf,0xe0922fa4, +0xe2a11000,0xe1b0f00e,0xe3a03000,0xe3a02000, +0xe3a01000,0xe3a04000,0xe1b0f00e,0xe1a07000, +0xe1a08001,0xe1a0a002,0xe1a0b003,0xe0200007, +0xe1914002,0x1198400a,0x0afffff2,0xe3b054ff, +0xe0a3300b,0xe185b425,0xe043392b,0xe92c4209, +0xe1a04821,0xe1c1500b,0xe1a06822,0xe1c2700b, +0xe1c8900b,0xe1a08828,0xe1cab00b,0xe1a0a82a, +0xe0030b96,0xe0020b94,0xe0010994,0xe0000a97, +0xe0933000,0xe0000a95,0xe0b22000,0xe0000895, +0xe0b11000,0x33a0e000,0x23a0e001,0xe0000996, +0xe0922000,0xe2b11000,0xe2aee000,0xe0000897, +0xe0922000,0xe2b11000,0xe2aee000,0xe18ee803, +0xe1a03823,0xe1833802,0xe1a02822,0xe1822801, +0xe1a01821,0xe181180e,0xe3cee0ff,0xe0000b95, +0xe00b0b97,0xe09eb00b,0xe0b33000,0xe0000896, +0xe0b22000,0xe0000894,0xe0a11000,0xe0000a94, +0xe00a0a96,0xe09aa003,0xe0b22000,0xe2a11000, +0xe0000997,0xe09a4000,0xe0000995,0xe0b22000, +0xe2b11000,0xe8bc4209,0x4a000005,0xe09bb00b, +0xe0b44004,0xe0b22002,0xe0b11001,0xe2433001, +0x5afffff9,0xe0922fa4,0xe2b11000,0x31b0f00e, +0xe3a01102,0xe2833001,0xe1a040a4,0xe1b0f00e, +0xe1a07000,0xe1a08001,0xe1a0a002,0xe1a0b003, +0xe3a00000,0xe3a01102,0xe3b02100,0xe2e23901, +0xe0200007,0xe1914002,0x1198400a,0x0affff9d, +0xe043300b,0xe2833901,0xe2433001,0xe3a0b000, +0xe052500a,0xe0d14008,0x23a01003,0x2a00000c, +0xe1a05002,0xe1a04001,0xe3a01001,0xe2433001, +0xe0955005,0xe0b44004,0xe2abb000,0xe055700a, +0xe0d46008,0x31b0b0ab,0x21a05007,0x21a04006, +0xe0a11001,0xe0955005,0xe0b44004,0xe2abb000, +0xe055700a,0xe0d46008,0x31b0b0ab,0x21a05007, +0x21a04006,0xe0a11001,0xe0955005,0xe0b44004, +0xe2abb000,0xe055700a,0xe0d46008,0x31b0b0ab, +0x21a05007,0x21a04006,0xe0a11001,0xe0955005, +0xe0b44004,0xe2abb000,0xe055700a,0xe0d46008, +0x31b0b0ab,0x21a05007,0x21a04006,0xe0b11001, +0x3affffda,0xe1942005,0x01b0f00e,0xe3a02001, +0xe0955005,0xe0b44004,0xe2abb000,0xe055700a, +0xe0d46008,0x31b0b0ab,0x21a05007,0x21a04006, +0xe0a22002,0xe0955005,0xe0b44004,0xe2abb000, +0xe055700a,0xe0d46008,0x31b0b0ab,0x21a05007, +0x21a04006,0xe0a22002,0xe0955005,0xe0b44004, +0xe2abb000,0xe055700a,0xe0d46008,0x31b0b0ab, +0x21a05007,0x21a04006,0xe0a22002,0xe0955005, +0xe0b44004,0xe2abb000,0xe055700a,0xe0d46008, +0x31b0b0ab,0x21a05007,0x21a04006,0xe0b22002, +0x3affffda,0xe0955005,0xe0b44004,0x2a000001, +0xe1540008,0x0155000a,0xe2b22000,0xe2b11000, +0x31b0f00e,0xe2a33000,0xe3a01102,0xe1b0f00e, +0xe1b04883,0x0affff37,0xe2833901,0xe2433001, +0xe1b030a3,0xe1a05002,0x32414102,0x22414101, +0x33a07201,0x23a07202,0xe3a01102,0xe0955005, +0xe0b44004,0xe0216007,0x31540006,0x20444006, +0x20211087,0xe1b070e7,0x5afffff7,0xe1942005, +0x01b0f00e,0xe3a02000,0xe0955005,0xe0b44004, +0xe0a00000,0xe0226007,0xe055a006,0xe0d48001, +0x31b000a0,0x21a0500a,0x21a04008,0x20222087, +0x20211fa7,0xe1b070a7,0x1afffff2,0xe0955005, +0xe0b44004,0xe0b70007,0xe0d5a002,0xe0d48001, +0x31b000a0,0x21a0500a,0x21a04008,0x22222001, +0x23a07102,0xe3a00000,0xe0977007,0xe0b55005, +0xe0b44004,0x2a000002,0xe1540001,0x01550002, +0x03570101,0xe2b22000,0xe2b11000,0xe2a33000, +0x23a01102,0xe1b0f00e,0xe1b07004,0x42644000, +0xe3a0b901,0xe3a0a000,0xe1a08004,0xe1b04828, +0x01a08808,0x128bb010,0xe1b04c28,0x01a08408, +0x128bb008,0xe1b04e28,0x01a08208,0x128bb004, +0xe1b04f28,0x01a08108,0x128bb002,0xe1b04fa8, +0x01a08088,0x024bb001,0xe1b0f00e,0xe1a07000, +0xe1a0b003,0xe24b40fe,0xe2544c3f,0xda000011, +0xe2745020,0x4a000003,0xe3a0a000,0xe1a08531, +0xe1a08518,0xe1b0f00e,0xe1a08001,0xe1a0a002, +0xe2745040,0x41b0f00e,0xe1a0a53a,0xe1a0a51a, +0xe1b0f00e,0x03a04001,0x03a08102,0xe3a0a000, +0x028bb001,0x01b0f00e,0xe3a04000,0xe3a08000, +0xe3a0a000,0xe3a0b000,0xe1b0f00e,0xe1a07000, +0xe1a0b003,0xe24b40fe,0xe2544c3f,0xdafffff0, +0xe2745020,0x4a000007,0xe3a0a000,0xe1b04531, +0xe2a44000,0xe1b08514,0x31b0f00e,0xe1a08068, +0xe28bb001,0xe1b0f00e,0xe1a08001,0xe1a0a002, +0xe2745040,0xe3e04000,0x41b0f00e,0xe1b0a53a, +0xe2aaa000,0xe1b0a51a,0xe2b88000,0x31b0f00e, +0xe1a0a0aa,0xe18aaf88,0xe1a08068,0xe28bb001, +0xe1b0f00e,0xe38ee101,0xe24340fe,0xe2544c3f, +0xda000032,0xe2745020,0x4a000018,0xe1a08411, +0x01a08002,0x11a0a002,0x03a0a000,0xe3a02000, +0xe1a01531,0xe2194060,0x1a000007,0xe19aa088, +0x00088f81,0xe0911fa8,0x31b01511,0x31b0f00e, +0xe1a01061,0xe2833001,0xe1b0f00e,0xe3540060, +0x1198a00a,0x0a000003,0xe0304d04,0x5a000001, +0xe2911001,0xeafffff3,0xe1a01511,0xe1b0f00e, +0xe2745040,0xd1b0f00e,0xe2444020,0xe1a08412, +0xe1b02532,0xe2194060,0x1a00000a,0xe1b0a088, +0x00088f82,0xe0822fa8,0xe1b02512,0xe2b11000, +0x31b0f00e,0xe1a020a2,0xe1822f81,0xe1a01061, +0xe2833001,0xe1b0f00e,0xe3540060,0x13580000, +0x0afffff4,0xe0304d04,0x42822001,0xeafffff1, +0x0a000011,0xe2194060,0x1a000006,0xe1918002, +0x01b0f00e,0xe3a01000,0xe3a02000,0xe3a03000, +0xe3a04008,0xe1a0f00e,0xe1918002,0x13540060, +0x0afffff5,0xe0304d04,0x5afffff3,0xe3a01102, +0xe3b02100,0xe2e23901,0xe1b0f00e,0xe2194060, +0x1afffff4,0xe1924081,0x1afffff7,0xeaffffea, +0xe1a04000,0xe1a00007,0xe1a07004,0xe1a04001, +0xe1a01008,0xe1a08004,0xe1a04002,0xe1a0200a, +0xe1a0a004,0xe1a04003,0xe1a0300b,0xe1a0b004, +0xe1b0f00e,0xe209ba07,0xe08c542b,0xe209780f, +0xe79da727,0xe21980ff,0xe04a8108,0x178d8727, +0xe2199902,0xe3899901,0xe1a09789,0xe4ba6004, 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+0xe3a01000,0xe3a02000,0xe3a03000,0xea00007d, +0xe3a014cb,0xe3b02100,0xe2e23902,0xeafff8c5, +0xe09aa00a,0xe0b88008,0xe24bb001,0x5afffffb, +0xe2956802,0x12946802,0x1affffca,0xe2946802, +0x1a000006,0xe1916002,0x1afff8ba,0xe2956802, +0x1affffe2,0xe198600a,0x03a014cb,0x0afff8b5, +0xe198600a,0x0affffe2,0xe1a01008,0xe1a0200a, +0xe1a0300b,0xeafff8af,0xe3190080,0x1affecba, +0xe1b07e09,0x4afff671,0xe08c8c27,0xe898000f, +0xe1b04d23,0xe28f7000,0x1afff133,0x1888000f, +0xe1b04883,0x12944802,0x0a000060,0xe92c4281, +0xe3b00100,0xe2f34901,0xdbffeeb0,0xd3a04002, +0xc3a04000,0xe28f9d06,0xe8b90d00,0xe153000b, +0x01510008,0x0152000a,0xc2844001,0xe92c0010, +0xda00000d,0xe92c000f,0xe8990d00,0xebffedad, +0xe8bc0d80,0xe92c000f,0xe3a00000,0xe8b9000e, +0xebffee51,0xe3a08102,0xe3b0a100,0xe2eab901, +0xebffeded,0xe8bc0d80,0xebffeea0,0xe3a04901, +0xe2444021,0xe1530004,0xba00002c,0xe92c000f, +0xebffee41,0xe92c000f,0xe28f9f49,0xe8b90d00, +0xebffed98,0xe89c0d80,0xebffee3f,0xe8b90d00, +0xebffed94,0xe89c0d80,0xebffee3b,0xe8b90d00, +0xebffed90,0xe89c0d80,0xebffee37,0xe8b90d00, +0xebffed8c,0xe89c0d80,0xe92c000f,0xe3a00102, +0xe8b9000e,0xebffee30,0xe8b90d00,0xebffedce, +0xe28c7010,0xe8970d80,0xebffee2b,0xe8b90d00, +0xebffedc9,0xe28c7010,0xe8970d80,0xebffee26, +0xe8b90d00,0xebffedc4,0xe28c7010,0xe8970d80, +0xebffee21,0xe8bc0d80,0xe28cc010,0xebffee73, +0xe89c0d80,0xebffee1c,0xe8bc0d80,0xebffed6e, +0xe28f90dc,0xe8bc0010,0xe0200f04,0xe0899204, +0xe8990d00,0xebffed6b,0xe8bc4230,0xe3190601, +0x10200004,0x1afffc3b,0xe3150102,0x0a000005, +0xe92c4010,0xe2200102,0xe24f7d0d,0xe8970d00, +0xebffed60,0xe8bc4010,0xe0200004,0xeafffc31, +0xe3530000,0x0afffc2f,0xe1914002,0x1afff83d, +0xe28f009c,0xe890000e,0xeafffc2a,0x8930a2f4, +0xf66ab18a,0x00003ffd,0xddb3d742,0xc265539e, +0x00003fff,0xf0624f0a,0x56388310,0x00004002, +0xee505190,0x6d1eb4e8,0x00004004,0xac509020, +0x5b6d243b,0x00004005,0xa443e5e6,0x24ad4b90, +0x00004004,0xd66bd6cd,0x8c3de934,0x00003ffe, +0x87e9fae4,0x6b531a29,0x00004002,0xa40bfdcf, +0x15e65691,0x00004003,0xdb053288,0x30e70eb4, +0x00004002,0x00000000,0x00000000,0x00000000, +0x00000000,0x860a91c1,0x6b9b2c23,0x00003ffe, +0x00000000,0xc90fdaa2,0x2168c235,0x00003fff, +0x00000000,0x860a91c1,0x6b9b2c23,0x00003fff, +0xe92d5001,0xe24fc05c,0xe24ccc50,0xe3a00807, +0xe58c0080,0xe8bd9001,0xe1a00000,0xe3100001, +0x128f0e15,0x1a00000a,0xe3100004,0x128f0f47, +0x1a000007,0xe3100002,0x128f00e0,0x1a000004, +0xe3100008,0x128f00a8,0x1a000001,0xe28f0070, +0xeaffffff,0xe28f101c,0xe14fb000,0xe8bd07f8, +0xe8a107f8,0xe8bd07f8,0xe24aa004,0xe8a10ff8, +0xe28f1000,0xef000071,0x00000000,0x00000000, +0x00000000,0x00000000,0x00000000,0x00000000, +0x00000000,0x00000000,0x00000000,0x00000000, +0x00000000,0x00000000,0x00000000,0x00000000, +0x00000000,0x00000000,0x00000000,0x00002278, +0xffffffff,0x80000204,0x616f6c46,0x676e6974, +0x696f5020,0x4520746e,0x70656378,0x6e6f6974, +0x49203a20,0x6178656e,0x52207463,0x6c757365, +0x00000074,0x80000203,0x616f6c46,0x676e6974, +0x696f5020,0x4520746e,0x70656378,0x6e6f6974, +0x55203a20,0x7265646e,0x776f6c66,0x00000000, +0x80000202,0x616f6c46,0x676e6974,0x696f5020, +0x4520746e,0x70656378,0x6e6f6974,0x44203a20, +0x64697669,0x79422065,0x72655a20,0x0000006f, +0x80000201,0x616f6c46,0x676e6974,0x696f5020, +0x4520746e,0x70656378,0x6e6f6974,0x4f203a20, +0x66726576,0x00776f6c,0x80000200,0x616f6c46, +0x676e6974,0x696f5020,0x4520746e,0x70656378, +0x6e6f6974,0x49203a20,0x6c61766e,0x4f206469, +0x61726570,0x6e6f6974,0x00000000,0xfefefeff,0} ; + +unsigned long fpesize = 0x00005300 ; diff --git a/sim/arm/armopts.h b/sim/arm/armopts.h new file mode 100644 index 0000000..6ec0f2f --- /dev/null +++ b/sim/arm/armopts.h @@ -0,0 +1,30 @@ +/* armopts.h -- ARMulator configuration options: ARM6 Instruction Emulator. + Copyright (C) 1994 Advanced RISC Machines Ltd. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* Define one of ARM60 or ARM61 */ +#ifndef ARM60 +#ifndef ARM61 +#define ARM60 +#endif +#endif + +/* define for a little endian ARMulator */ +#ifndef LITTLEEND +#ifndef BIGEND +#define LITTLEEND +#endif +#endif diff --git a/sim/arm/armos.h b/sim/arm/armos.h new file mode 100644 index 0000000..bae2f6e --- /dev/null +++ b/sim/arm/armos.h @@ -0,0 +1,64 @@ +/* armos.h -- ARMulator OS definitions: ARM6 Instruction Emulator. + Copyright (C) 1994 Advanced RISC Machines Ltd. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/***************************************************************************\ +* Define the initial layout of memory * +\***************************************************************************/ + +#define ADDRSUPERSTACK 0x800L /* supervisor stack space */ +#define ADDRUSERSTACK 0x80000L /* default user stack start */ +#define ADDRSOFTVECTORS 0x840L /* soft vectors are here */ +#define ADDRCMDLINE 0xf00L /* command line is here after a SWI GetEnv */ +#define ADDRSOFHANDLERS 0xad0L /* address and workspace for installed handlers */ +#define SOFTVECTORCODE 0xb80L /* default handlers */ + +/***************************************************************************\ +* SWI numbers * +\***************************************************************************/ + +#define SWI_WriteC 0x0 +#define SWI_Write0 0x2 +#define SWI_ReadC 0x4 +#define SWI_CLI 0x5 +#define SWI_GetEnv 0x10 +#define SWI_Exit 0x11 +#define SWI_EnterOS 0x16 + +#define SWI_GetErrno 0x60 +#define SWI_Clock 0x61 +#define SWI_Time 0x63 +#define SWI_Remove 0x64 +#define SWI_Rename 0x65 +#define SWI_Open 0x66 + +#define SWI_Close 0x68 +#define SWI_Write 0x69 +#define SWI_Read 0x6a +#define SWI_Seek 0x6b +#define SWI_Flen 0x6c + +#define SWI_IsTTY 0x6e +#define SWI_TmpNam 0x6f +#define SWI_InstallHandler 0x70 +#define SWI_GenerateError 0x71 + +#define FPESTART 0x2000L +#define FPEEND 0x8000L +#define FPEOLDVECT FPESTART + 0x100L + 8L * 16L + 4L /* stack + 8 regs + fpsr */ +#define FPENEWVECT(addr) 0xea000000L + ((addr) >> 2) - 3L /* branch from 4 to 0x2400 */ +extern unsigned long fpecode[] ; +extern unsigned long fpesize ; diff --git a/sim/arm/armrdi.c b/sim/arm/armrdi.c new file mode 100644 index 0000000..665d03f --- /dev/null +++ b/sim/arm/armrdi.c @@ -0,0 +1,1042 @@ +/* armrdi.c -- ARMulator RDI interface: ARM6 Instruction Emulator. + Copyright (C) 1994 Advanced RISC Machines Ltd. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include +#include +#include "armdefs.h" +#include "armemu.h" +#include "armos.h" +#include "dbg_cp.h" +#include "dbg_conf.h" +#include "dbg_rdi.h" +#include "dbg_hif.h" +#include "communicate.h" + +/***************************************************************************\ +* Declarations * +\***************************************************************************/ + +#define Watch_AnyRead (RDIWatch_ByteRead+RDIWatch_HalfRead+RDIWatch_WordRead) +#define Watch_AnyWrite (RDIWatch_ByteWrite+RDIWatch_HalfWrite+RDIWatch_WordWrite) + +static unsigned FPRegsAddr ; /* last known address of FPE regs */ +#define FPESTART 0x2000L +#define FPEEND 0x8000L + +#define IGNORE(d) (d = d) +#ifdef RDI_VERBOSE +#define TracePrint(s) \ + if (rdi_log & 1) ARMul_DebugPrint s +#else +#define TracePrint(s) +#endif + +static ARMul_State *state = NULL ; +static unsigned BreaksSet ; /* The number of breakpoints set */ + +static int rdi_log = 0 ; /* debugging ? */ + +#define LOWEST_RDI_LEVEL 0 +#define HIGHEST_RDI_LEVEL 1 +static int MYrdi_level = LOWEST_RDI_LEVEL; + +typedef struct BreakNode BreakNode; +typedef struct WatchNode WatchNode; + +struct BreakNode { /* A breakpoint list node */ + BreakNode *next ; + ARMword address ; /* The address of this breakpoint */ + unsigned type ; /* The type of comparison */ + ARMword bound ; /* The other address for a range */ + ARMword inst; + }; + +struct WatchNode { /* A watchpoint list node */ + WatchNode *next ; + ARMword address ; /* The address of this watchpoint */ + unsigned type ; /* The type of comparison */ + unsigned datatype ; /* The type of access to watch for */ + ARMword bound ; /* The other address for a range */ + }; + +BreakNode *BreakList = NULL ; +WatchNode *WatchList = NULL ; + +void ARMul_DebugPrint_i(const Dbg_HostosInterface *hostif, const char *format, ...) +{ va_list ap; + va_start(ap, format); + hostif->dbgprint(hostif->dbgarg, format, ap); + va_end(ap); +} + +void ARMul_DebugPrint(ARMul_State *state, const char *format, ...) +{ va_list ap; + va_start(ap, format); + if(!(rdi_log & 8)) + state->hostif->dbgprint(state->hostif->dbgarg, format, ap); + va_end(ap); +} + +#define CONSOLE_PRINT_MAX_LEN 128 + +void ARMul_ConsolePrint(ARMul_State *state, const char *format, ...) +{ + va_list ap; + int ch; + char *str, buf[CONSOLE_PRINT_MAX_LEN]; + int i, j; + ARMword junk; + + va_start(ap, format); + vsprintf(buf, format, ap); + + for (i = 0; buf[i] ;i++); /* The string is i chars long */ + + str = buf; + while (i >= 32) { + MYwrite_char(kidmum[1], RDP_OSOp); + MYwrite_word(kidmum[1], SWI_Write0); + MYwrite_char(kidmum[1], OS_SendString); + MYwrite_char(kidmum[1], 32); /* Send string 32bytes at a time */ + for (j = 0; j < 32; j++, str++) + MYwrite_char(kidmum[1], *str); + wait_for_osreply(&junk); + i -= 32; + } + + if (i > 0) { + MYwrite_char(kidmum[1], RDP_OSOp); + MYwrite_word(kidmum[1], SWI_Write0); + MYwrite_char(kidmum[1], OS_SendString); + MYwrite_char(kidmum[1], (unsigned char) i); /* Send remainder of string */ + for (j = 0; j < i; j++, str++) + MYwrite_char(kidmum[1], *str); + wait_for_osreply(&junk); + } + return; + +/* str = buf; */ +/* while ((ch=*str++) != 0) */ +/* state->hostif->writec(state->hostif->hostosarg, ch); */ +} + +void ARMul_DebugPause(ARMul_State *state) +{ + if(!(rdi_log & 8)) + state->hostif->dbgpause(state->hostif->dbgarg); +} + +/***************************************************************************\ +* RDI_open * +\***************************************************************************/ + +static void InitFail(int exitcode, char const *which) { + ARMul_ConsolePrint(state, "%s interface failed to initialise. Exiting\n", + which); + exit(exitcode); +} + +static void RDIInit(unsigned type) +{if (type == 0) { /* cold start */ + state->CallDebug = state->MemReadDebug = state->MemWriteDebug = 0 ; + BreaksSet = 0 ; + } + } + +#define UNKNOWNPROC 0 + +typedef struct { char name[16]; unsigned val; } Processor; + +Processor const p_arm2 = {"ARM2", ARM2}; +Processor const p_arm2as = {"ARM2AS", ARM2as}; +Processor const p_arm61 = {"ARM61", ARM61}; +Processor const p_arm3 = {"ARM3", ARM3}; +Processor const p_arm6 = {"ARM6", ARM6}; +Processor const p_arm60 = {"ARM60", ARM60}; +Processor const p_arm600 = {"ARM600", ARM600}; +Processor const p_arm610 = {"ARM610", ARM610}; +Processor const p_arm620 = {"ARM620", ARM620}; +Processor const p_unknown= {"", UNKNOWNPROC}; + +Processor const *const processors[] = { + &p_arm6, /* default: must come first */ + &p_arm2, + &p_arm2as, + &p_arm61, + &p_arm3, + &p_arm60, + &p_arm600, + &p_arm610, + &p_arm620, + &p_unknown +}; + +typedef struct ProcessorConfig ProcessorConfig; +struct ProcessorConfig { + long id[2]; + ProcessorConfig const *self; + long count; + Processor const * const *processors; +}; + +ProcessorConfig const processorconfig = { + { ((((((long)'x' << 8) | ' ') << 8) | 'c') << 8) | 'p', + ((((((long)'u' << 8) | 's') << 8) | ' ') << 8) | 'x' + }, + &processorconfig, + 16, + processors +}; + +static int RDI_open(unsigned type, const Dbg_ConfigBlock *config, + const Dbg_HostosInterface *hostif, + struct Dbg_MCState *dbg_state) +/* Initialise everything */ +{int virgin = (state == NULL); + IGNORE(dbg_state); + +#ifdef RDI_VERBOSE + if (rdi_log & 1) { + if (virgin) + ARMul_DebugPrint_i(hostif, "RDI_open: type = %d\n",type) ; + else + ARMul_DebugPrint(state, "RDI_open: type = %d\n",type) ; + } +#endif + + if (type & 1) { /* Warm start */ + ARMul_Reset(state) ; + RDIInit(1) ; + } + else { + if (virgin) { + ARMul_EmulateInit(); + state = ARMul_NewState(); + state->hostif = hostif; + { int req = config->processor; + unsigned processor = processors[req]->val; + ARMul_SelectProcessor(state, processor); + ARMul_Reset(state); + ARMul_ConsolePrint(state, "ARMulator V1.50, %s", processors[req]->name); + } + if (ARMul_MemoryInit(state,config->memorysize) == FALSE) + InitFail(1, "Memory"); + if (config->bytesex != RDISex_DontCare) + state->bigendSig = config->bytesex ; + if (ARMul_CoProInit(state) == FALSE) + InitFail(2, "Co-Processor"); + if (ARMul_OSInit(state) == FALSE) + InitFail(3, "Operating System"); + } + ARMul_Reset(state) ; + RDIInit(0) ; + } + if (type & 2) { /* Reset the comms link */ + /* what comms link ? */ + } + if (virgin && (type & 1) == 0) /* Cold start */ + ARMul_ConsolePrint(state, ", %s endian.\n", + state->bigendSig ? "Big" : "Little"); + + if (config->bytesex == RDISex_DontCare) + return(state->bigendSig ? RDIError_BigEndian : RDIError_LittleEndian); + else + return(RDIError_NoError) ; +} + +/***************************************************************************\ +* RDI_close * +\***************************************************************************/ + +static int RDI_close(void) +{ + TracePrint((state, "RDI_close\n")); + ARMul_OSExit(state) ; + ARMul_CoProExit(state) ; + ARMul_MemoryExit(state) ; + return(RDIError_NoError) ; + } + +/***************************************************************************\ +* RDI_read * +\***************************************************************************/ + +static int RDI_read(ARMword source, void *dest, unsigned *nbytes) +{unsigned i ; + char *memptr = (char *)dest ; + + TracePrint((state, "RDI_read: source=%.8lx dest=%p nbytes=%.8x\n", + source, dest, *nbytes)); + + for (i=0 ; i < *nbytes ; i++) + *memptr++ = (char)ARMul_ReadByte(state,source++) ; + if (state->abortSig) { + state->abortSig = LOW ; + return(RDIError_DataAbort) ; + } + return(RDIError_NoError) ; + } + +/***************************************************************************\ +* RDI_write * +\***************************************************************************/ + +static int RDI_write(const void *source, ARMword dest, unsigned *nbytes) +{unsigned i ; + char *memptr = (char *)source ; + + TracePrint((state, "RDI_write: source=%p dest=%.8lx nbytes=%.8x\n", + source, dest, *nbytes)); + + for (i=0 ; i < *nbytes ; i++) + ARMul_WriteByte(state,(ARMword)dest++,(ARMword)*memptr++) ; + + if (state->abortSig) { + state->abortSig = LOW ; + return(RDIError_DataAbort) ; + } + return(RDIError_NoError) ; + } + +/***************************************************************************\ +* RDI_CPUread * +\***************************************************************************/ + +static int RDI_CPUread(unsigned mode, unsigned long mask, ARMword buffer[]) +{unsigned i , upto ; + + if (mode == RDIMode_Curr) + mode = (unsigned)(ARMul_GetCPSR(state) & MODEBITS) ; + + for (upto = 0, i = 0 ; i < 15 ; i++) + if (mask & (1L << i)){ + buffer[upto++] = ARMul_GetReg(state,mode,i) ; + } + + if (mask & RDIReg_R15) { + buffer[upto++] = ARMul_GetR15(state) ; + } + + if (mask & RDIReg_PC) { + buffer[upto++] = ARMul_GetPC(state) ; + } + + if (mask & RDIReg_CPSR) + buffer[upto++] = ARMul_GetCPSR(state) ; + + if (mask & RDIReg_SPSR) + buffer[upto++] = ARMul_GetSPSR(state,mode) ; + + TracePrint((state, "RDI_CPUread: mode=%.8x mask=%.8lx", mode, mask)); +#ifdef RDI_VERBOSE + if (rdi_log & 1) { + for (upto = 0, i = 0 ; i <= 20 ; i++) + if (mask & (1L << i)) { + ARMul_DebugPrint(state, "%c%.8lx",upto%4==0?'\n':' ',buffer[upto]) ; + upto++ ; + } + ARMul_DebugPrint(state, "\n") ; + } +#endif + + return(RDIError_NoError) ; +} + +/***************************************************************************\ +* RDI_CPUwrite * +\***************************************************************************/ + +static int RDI_CPUwrite(unsigned mode, unsigned long mask, ARMword const buffer[]) +{int i, upto; + + + TracePrint((state, "RDI_CPUwrite: mode=%.8x mask=%.8lx", mode, mask)); +#ifdef RDI_VERBOSE + if (rdi_log & 1) { + for (upto = 0, i = 0 ; i <= 20 ; i++) + if (mask & (1L << i)) { + ARMul_DebugPrint(state, "%c%.8lx",upto%4==0?'\n':' ',buffer[upto]) ; + upto++ ; + } + ARMul_DebugPrint(state, "\n") ; + } +#endif + + if (mode == RDIMode_Curr) + mode = (unsigned)(ARMul_GetCPSR(state) & MODEBITS) ; + + for (upto = 0, i = 0 ; i < 15 ; i++) + if (mask & (1L << i)) + ARMul_SetReg(state,mode,i,buffer[upto++]) ; + + if (mask & RDIReg_R15) + ARMul_SetR15(state,buffer[upto++]) ; + + if (mask & RDIReg_PC) { + + ARMul_SetPC(state,buffer[upto++]) ; + } + if (mask & RDIReg_CPSR) + ARMul_SetCPSR(state,buffer[upto++]) ; + + if (mask & RDIReg_SPSR) + ARMul_SetSPSR(state,mode,buffer[upto++]) ; + + return(RDIError_NoError) ; +} + +/***************************************************************************\ +* RDI_CPread * +\***************************************************************************/ + +static int RDI_CPread(unsigned CPnum, unsigned long mask, ARMword buffer[]) +{ARMword fpregsaddr, word[4] ; + + unsigned r, w ; + unsigned upto ; + + if (CPnum != 1 && CPnum != 2) { + unsigned char const *rmap = state->CPRegWords[CPnum]; + if (rmap == NULL) + return(RDIError_UnknownCoPro) ; + for (upto = 0, r = 0 ; r < rmap[-1] ; r++) + if (mask & (1L << r)) { + (void)state->CPRead[CPnum](state, r, &buffer[upto]); + upto += rmap[r]; + } + TracePrint((state, "RDI_CPread: CPnum=%d mask=%.8lx", CPnum, mask)); +#ifdef RDI_VERBOSE + if (rdi_log & 1) { + w = 0; + for (upto = 0, r = 0; r < rmap[-1]; r++) + if (mask & (1L << r)) { + int words = rmap[r]; + ARMul_DebugPrint(state, "%c%2d", (w >= 4 ? (w = 0, '\n') : ' '), r); + while (--words >= 0) { + ARMul_DebugPrint(state, " %.8lx", buffer[upto++]); + w++; + } + } + ARMul_DebugPrint(state, "\n") ; + } +#endif + return RDIError_NoError; + } + +#ifdef NOFPE + return RDIError_UnknownCoPro; + +#else + if (FPRegsAddr == 0) { + fpregsaddr = ARMul_ReadWord(state, 4L) ; + if ((fpregsaddr & 0xff800000) != 0xea000000) /* Must be a forward branch */ + return RDIError_UnknownCoPro; + fpregsaddr = ((fpregsaddr & 0xffffff) << 2) + 8 ; /* address in __fp_decode - 4 */ + if ((fpregsaddr < FPESTART) || (fpregsaddr >= FPEEND)) + return RDIError_UnknownCoPro; + fpregsaddr = ARMul_ReadWord(state, fpregsaddr) ; /* pointer to fp registers */ + FPRegsAddr = fpregsaddr ; + } + else + fpregsaddr = FPRegsAddr ; + + if (fpregsaddr == 0) return RDIError_UnknownCoPro; + for (upto = 0, r = 0 ; r < 8 ; r++) + if (mask & (1L << r)) { + for (w = 0 ; w < 4 ; w++) + word[w] = ARMul_ReadWord(state,fpregsaddr + (ARMword)r * 16 + (ARMword)w * 4) ; + switch ((int)(word[3] >> 29)) { + case 0 : + case 2 : + case 4 : + case 6 : /* its unpacked, convert to extended */ + buffer[upto++] = 2 ; /* mark as extended */ + buffer[upto++] = (word[3] & 0x7fff) | (word[0] & 0x80000000) ; /* exp and sign */ + buffer[upto++] = word[1] ; /* mantissa 1 */ + buffer[upto++] = word[2] ; /* mantissa 2 */ + break ; + case 1 : /* packed single */ + buffer[upto++] = 0 ; /* mark as single */ + buffer[upto++] = word[0] ; /* sign, exp and mantissa */ + buffer[upto++] = word[1] ; /* padding */ + buffer[upto++] = word[2] ; /* padding */ + break ; + case 3 : /* packed double */ + buffer[upto++] = 1 ; /* mark as double */ + buffer[upto++] = word[0] ; /* sign, exp and mantissa1 */ + buffer[upto++] = word[1] ; /* mantissa 2 */ + buffer[upto++] = word[2] ; /* padding */ + break ; + case 5 : /* packed extended */ + buffer[upto++] = 2 ; /* mark as extended */ + buffer[upto++] = word[0] ; /* sign and exp */ + buffer[upto++] = word[1] ; /* mantissa 1 */ + buffer[upto++] = word[2] ; /* mantissa 2 */ + break ; + case 7 : /* packed decimal */ + buffer[upto++] = 3 ; /* mark as packed decimal */ + buffer[upto++] = word[0] ; /* sign, exp and mantissa1 */ + buffer[upto++] = word[1] ; /* mantissa 2 */ + buffer[upto++] = word[2] ; /* mantissa 3 */ + break ; + } + } + if (mask & (1L << r)) + buffer[upto++] = ARMul_ReadWord(state,fpregsaddr + 128) ; /* fpsr */ + if (mask & (1L << (r+1) )) + buffer[upto++] = 0 ; /* fpcr */ + + TracePrint((state, "RDI_CPread: CPnum=%d mask=%.8lx\n", CPnum, mask)); +#ifdef RDI_VERBOSE + if (rdi_log & 1) { + for (upto = 0, r = 0 ; r < 9 ; r++) + if (mask & (1L << r)) { + if (r != 8) { + ARMul_DebugPrint(state, "%08lx ",buffer[upto++]) ; + ARMul_DebugPrint(state, "%08lx ",buffer[upto++]) ; + ARMul_DebugPrint(state, "%08lx ",buffer[upto++]) ; + } + ARMul_DebugPrint(state, "%08lx\n",buffer[upto++]) ; + } + ARMul_DebugPrint(state, "\n") ; + } +#endif + return(RDIError_NoError) ; +#endif /* NOFPE */ + } + +/***************************************************************************\ +* RDI_CPwrite * +\***************************************************************************/ + +static int RDI_CPwrite(unsigned CPnum, unsigned long mask, ARMword const buffer[]) +{unsigned r ; + unsigned upto ; + ARMword fpregsaddr; + + if (CPnum != 1 && CPnum != 2) { + unsigned char const *rmap = state->CPRegWords[CPnum]; + if (rmap == NULL) + return(RDIError_UnknownCoPro) ; + TracePrint((state, "RDI_CPwrite: CPnum=%d mask=%.8lx", CPnum, mask)); +#ifdef RDI_VERBOSE + if (rdi_log & 1) { + int w = 0; + for (upto = 0, r = 0; r < rmap[-1]; r++) + if (mask & (1L << r)) { + int words = rmap[r]; + ARMul_DebugPrint(state, "%c%2d", (w >= 4 ? (w = 0, '\n') : ' '), r); + while (--words >= 0) { + ARMul_DebugPrint(state, " %.8lx", buffer[upto++]); + w++; + } + } + ARMul_DebugPrint(state, "\n") ; + } +#endif + for (upto = 0, r = 0; r < rmap[-1]; r++) + if (mask & (1L << r)) { + (void)state->CPWrite[CPnum](state, r, &buffer[upto]); + upto += rmap[r]; + } + return RDIError_NoError; + } + +#ifdef NOFPE + return RDIError_UnknownCoPro; + +#else + TracePrint((state, "RDI_CPwrite: CPnum=%d mask=%.8lx", CPnum, mask)); +#ifdef RDI_VERBOSE + if (rdi_log & 1) { + for (upto = 0, r = 0 ; r < 9 ; r++) + if (mask & (1L << r)) { + if (r != 8) { + ARMul_DebugPrint(state, "%08lx ",buffer[upto++]) ; + ARMul_DebugPrint(state, "%08lx ",buffer[upto++]) ; + ARMul_DebugPrint(state, "%08lx ",buffer[upto++]) ; + } + ARMul_DebugPrint(state, "%08lx\n",buffer[upto++]) ; + } + ARMul_DebugPrint(state, "\n") ; + } +#endif + + if (FPRegsAddr == 0) { + fpregsaddr = ARMul_ReadWord(state, 4L) ; + if ((fpregsaddr & 0xff800000) != 0xea000000) /* Must be a forward branch */ + return RDIError_UnknownCoPro; + fpregsaddr = ((fpregsaddr & 0xffffff) << 2) + 8 ; /* address in __fp_decode - 4 */ + if ((fpregsaddr < FPESTART) || (fpregsaddr >= FPEEND)) + return RDIError_UnknownCoPro; + fpregsaddr = ARMul_ReadWord(state, fpregsaddr) ; /* pointer to fp registers */ + FPRegsAddr = fpregsaddr ; + } + else + fpregsaddr = FPRegsAddr ; + + if (fpregsaddr == 0) return RDIError_UnknownCoPro; + for (upto = 0, r = 0 ; r < 8 ; r++) + if (mask & (1L << r)) { + ARMul_WriteWord(state,fpregsaddr + (ARMword)r * 16,buffer[upto+1]) ; + ARMul_WriteWord(state,fpregsaddr + (ARMword)r * 16 + 4,buffer[upto+2]) ; + ARMul_WriteWord(state,fpregsaddr + (ARMword)r * 16 + 8,buffer[upto+3]) ; + ARMul_WriteWord(state,fpregsaddr + (ARMword)r * 16 + 12,(buffer[upto] * 2 + 1) << 29) ; /* mark type */ + upto += 4 ; + } + if (mask & (1L << r)) + ARMul_WriteWord(state,fpregsaddr + 128,buffer[upto++]) ; /* fpsr */ + return(RDIError_NoError) ; +#endif /* NOFPE */ +} + +static void deletebreaknode(BreakNode **prevp) { + BreakNode *p = *prevp; + *prevp = p->next; + ARMul_WriteWord(state, p->address, p->inst); + free((char *)p); + BreaksSet-- ; + state->CallDebug-- ; +} + +static int removebreak(ARMword address, unsigned type) +{ BreakNode *p, **prevp = &BreakList; + for (; (p = *prevp) != NULL ; prevp = &p->next) + if (p->address == address && p->type == type) { + deletebreaknode(prevp); + return TRUE; + } + return FALSE; +} + +/* This routine installs a breakpoint into the breakpoint table */ + +static BreakNode *installbreak(ARMword address, unsigned type, ARMword bound) +{ BreakNode *p = (BreakNode *)malloc(sizeof(BreakNode)); + p->next = BreakList; + BreakList = p; + p->address = address; + p->type = type; + p->bound = bound; + p->inst = ARMul_ReadWord(state, address); + ARMul_WriteWord(state, address, 0xee000000L); + return p; +} + +/***************************************************************************\ +* RDI_setbreak * +\***************************************************************************/ + +static int RDI_setbreak(ARMword address, unsigned type, ARMword bound, + PointHandle *handle) +{ BreakNode *p; + TracePrint((state, "RDI_setbreak: address=%.8lx type=%d bound=%.8lx\n", + address, type, bound)); + + removebreak(address, type); + p = installbreak(address, type, bound); + BreaksSet++ ; + state->CallDebug++ ; + *handle = (PointHandle)p; + TracePrint((state, " returns %.8lx\n", *handle)); + return RDIError_NoError; +} + +/***************************************************************************\ +* RDI_clearbreak * +\***************************************************************************/ + +static int RDI_clearbreak(PointHandle handle) +{ TracePrint((state, "RDI_clearbreak: address=%.8lx\n", handle)); + { BreakNode *p, **prevp = &BreakList; + for (; (p = *prevp) != NULL; prevp = &p->next) + if (p == (BreakNode *)handle) break; + if (p == NULL) return RDIError_NoSuchPoint; + deletebreaknode(prevp); + return RDIError_NoError; + } +} + +/***************************************************************************\ +* Internal functions for breakpoint table manipulation * +\***************************************************************************/ + +static void deletewatchnode(WatchNode **prevp) +{ WatchNode *p = *prevp; + if (p->datatype & Watch_AnyRead) state->MemReadDebug--; + if (p->datatype & Watch_AnyWrite) state->MemWriteDebug--; + *prevp = p->next; + free((char *)p); +} + +int removewatch(ARMword address, unsigned type) +{ WatchNode *p, **prevp = &WatchList; + for (; (p = *prevp) != NULL ; prevp = &p->next) + if (p->address == address && p->type == type) { /* found a match */ + deletewatchnode(prevp); + return TRUE; + } + return FALSE; /* never found a match */ +} + +static WatchNode *installwatch(ARMword address, unsigned type, unsigned datatype, + ARMword bound) +{ WatchNode *p = (WatchNode *)malloc(sizeof(WatchNode)); + p->next = WatchList; + WatchList = p; + p->address = address; + p->type = type; + p->datatype = datatype; + p->bound = bound; + return p; +} + +/***************************************************************************\ +* RDI_setwatch * +\***************************************************************************/ + +static int RDI_setwatch(ARMword address, unsigned type, unsigned datatype, + ARMword bound, PointHandle *handle) +{ WatchNode *p; + TracePrint((state, "RDI_setwatch: address=%.8lx type=%d datatype=%d bound=%.8lx", + address, type, datatype, bound)); + + if (!state->CanWatch) return RDIError_UnimplementedMessage; + + removewatch(address, type); + p = installwatch(address, type, datatype, bound); + if (datatype & Watch_AnyRead) state->MemReadDebug++; + if (datatype & Watch_AnyWrite) state->MemWriteDebug++; + *handle = (PointHandle)p; + TracePrint((state, " returns %.8lx\n", *handle)); + return RDIError_NoError; +} + +/***************************************************************************\ +* RDI_clearwatch * +\***************************************************************************/ + +static int RDI_clearwatch(PointHandle handle) +{ TracePrint((state, "RDI_clearwatch: address=%.8lx\n", handle)); + { WatchNode *p, **prevp = &WatchList; + for (; (p = *prevp) != NULL; prevp = &p->next) + if (p == (WatchNode *)handle) break; + if (p == NULL) return RDIError_NoSuchPoint; + deletewatchnode(prevp); + return RDIError_NoError; + } +} + +/***************************************************************************\ +* RDI_execute * +\***************************************************************************/ + +static int RDI_execute(PointHandle *handle) +{ + TracePrint((state, "RDI_execute\n")); + if (rdi_log & 4) { + state->CallDebug++ ; + state->Debug = TRUE ; + } + state->EndCondition = RDIError_NoError ; + state->StopHandle = 0; + + ARMul_DoProg(state); + + *handle = state->StopHandle; + state->Reg[15] -= 8 ; /* undo the pipeline */ + if (rdi_log & 4) { + state->CallDebug-- ; + state->Debug = FALSE ; + } + return(state->EndCondition) ; +} + +/***************************************************************************\ +* RDI_step * +\***************************************************************************/ + +static int RDI_step(unsigned ninstr, PointHandle *handle) +{ + + TracePrint((state, "RDI_step\n")); + if (ninstr != 1) return RDIError_UnimplementedMessage; + if (rdi_log & 4) { + state->CallDebug++ ; + state->Debug = TRUE ; + } + state->EndCondition = RDIError_NoError ; + state->StopHandle = 0; + ARMul_DoInstr(state) ; + *handle = state->StopHandle; + state->Reg[15] -= 8 ; /* undo the pipeline */ + if (rdi_log & 4) { + state->CallDebug-- ; + state->Debug = FALSE ; + } + return(state->EndCondition) ; +} + +/***************************************************************************\ +* RDI_info * +\***************************************************************************/ + +static int RDI_info(unsigned type, ARMword *arg1, ARMword *arg2) +{ + switch (type) { + case RDIInfo_Target: + TracePrint((state, "RDI_Info_Target\n")); + /* Emulator, speed 10**5 IPS */ + *arg1 = 5 | HIGHEST_RDI_LEVEL << 5 | LOWEST_RDI_LEVEL << 8; + *arg2 = 1298224434; + return RDIError_NoError; + + case RDIInfo_Points: + { ARMword n = RDIPointCapability_Comparison | RDIPointCapability_Range | + RDIPointCapability_Mask | RDIPointCapability_Status; + TracePrint((state, "RDI_Info_Points\n")); + if (state->CanWatch) n |= (Watch_AnyRead+Watch_AnyWrite) << 2; + *arg1 = n; + return RDIError_NoError; + } + + case RDIInfo_Step: + TracePrint((state, "RDI_Info_Step\n")); + *arg1 = RDIStep_Single; + return RDIError_NoError; + + case RDIInfo_MMU: + TracePrint((state, "RDI_Info_MMU\n")); + *arg1 = 1313820229 ; + return RDIError_NoError; + + case RDISignal_Stop: + TracePrint((state, "RDISignal_Stop\n")); + state->CallDebug++ ; + state->EndCondition = RDIError_UserInterrupt ; + return RDIError_NoError; + + case RDIVector_Catch: + TracePrint((state, "RDIVector_Catch %.8lx\n", *arg1)); + state->VectorCatch = (unsigned)*arg1 ; + return RDIError_NoError; + + case RDISet_Cmdline: + TracePrint((state, "RDI_Set_Cmdline %s\n", (char *)arg1)); + state->CommandLine = (char *)malloc((unsigned)strlen((char *)arg1)+1) ; + (void)strcpy(state->CommandLine,(char *)arg1) ; + return RDIError_NoError; + + case RDICycles: + TracePrint((state, "RDI_Info_Cycles\n")); + arg1[0] = 0; + arg1[1] = state->NumInstrs; + arg1[2] = 0; + arg1[3] = state->NumScycles; + arg1[4] = 0; + arg1[5] = state->NumNcycles; + arg1[6] = 0; + arg1[7] = state->NumIcycles; + arg1[8] = 0; + arg1[9] = state->NumCcycles; + arg1[10] = 0; + arg1[11] = state->NumFcycles; + return RDIError_NoError; + + case RDIErrorP: + *arg1 = ARMul_OSLastErrorP(state); + TracePrint((state, "RDI_ErrorP returns %ld\n", *arg1)); + return RDIError_NoError; + + case RDIInfo_DescribeCoPro: + { int cpnum = *(int *)arg1; + struct Dbg_CoProDesc *cpd = (struct Dbg_CoProDesc *)arg2; + int i; + unsigned char const *map = state->CPRegWords[cpnum]; + if (map == NULL) return RDIError_UnknownCoPro; + for (i = 0; i < cpd->entries; i++) { + unsigned r, w = cpd->regdesc[i].nbytes / sizeof(ARMword); + for (r = cpd->regdesc[i].rmin; r <= cpd->regdesc[i].rmax; r++) + if (map[r] != w) return RDIError_BadCoProState; + } + return RDIError_NoError; + } + + case RDIInfo_RequestCoProDesc: + { int cpnum = *(int *)arg1; + struct Dbg_CoProDesc *cpd = (struct Dbg_CoProDesc *)arg2; + int i = -1, lastw = -1, r; + unsigned char const *map; + if ((unsigned)cpnum >= 16) return RDIError_UnknownCoPro; + map = state->CPRegWords[cpnum]; + if (map == NULL) return RDIError_UnknownCoPro; + for (r = 0; r < map[-1]; r++) { + int words = map[r]; + if (words == lastw) + cpd->regdesc[i].rmax = r; + else { + if (++i >= cpd->entries) return RDIError_BufferFull; + cpd->regdesc[i].rmax = cpd->regdesc[i].rmin = r; + cpd->regdesc[i].nbytes = words * sizeof(ARMword); + cpd->regdesc[i].access = Dbg_Access_Readable+Dbg_Access_Writable; + } + } + cpd->entries = i+1; + return RDIError_NoError; + } + + case RDIInfo_Log: + *arg1 = (ARMword)rdi_log; + return RDIError_NoError; + + case RDIInfo_SetLog: + rdi_log = (int)*arg1; + return RDIError_NoError; + + case RDIInfo_CoPro: + return RDIError_NoError; + + case RDIPointStatus_Watch: + { WatchNode *p, *handle = (WatchNode *)*arg1; + for (p = WatchList; p != NULL; p = p->next) + if (p == handle) { + *arg1 = -1; + *arg2 = 1; + return RDIError_NoError; + } + return RDIError_NoSuchPoint; + } + + case RDIPointStatus_Break: + { BreakNode *p, *handle = (BreakNode *)*arg1; + for (p = BreakList; p != NULL; p = p->next) + if (p == handle) { + *arg1 = -1; + *arg2 = 1; + return RDIError_NoError; + } + return RDIError_NoSuchPoint; + } + + case RDISet_RDILevel: + if (*arg1 < LOWEST_RDI_LEVEL || *arg1 > HIGHEST_RDI_LEVEL) + return RDIError_IncompatibleRDILevels; + MYrdi_level = *arg1; + return RDIError_NoError; + + default: + return RDIError_UnimplementedMessage; + + } +} + +/***************************************************************************\ +* The emulator calls this routine at the beginning of every cycle when the * +* CallDebug flag is set. The second parameter passed is the address of the * +* currently executing instruction (i.e Program Counter - 8), the third * +* parameter is the instruction being executed. * +\***************************************************************************/ + +ARMword ARMul_Debug(ARMul_State *state, ARMword pc, ARMword instr) +{ + + if (state->EndCondition == RDIError_UserInterrupt) { + TracePrint((state, "User interrupt at %.8lx\n", pc)); + state->CallDebug--; + state->Emulate = STOP; + } else { + BreakNode *p = BreakList; + for (; p != NULL ; p = p->next) { + switch (p->type) { + case RDIPoint_EQ: if (pc == p->address) break; continue; + case RDIPoint_GT: if (pc > p->address) break; continue; + case RDIPoint_GE: if (pc >= p->address) break; continue; + case RDIPoint_LT: if (pc < p->address) break; continue; + case RDIPoint_LE: if (pc <= p->address) break; continue; + case RDIPoint_IN: if (p->address <= pc && pc < p->address+p->bound) break; + continue; + case RDIPoint_OUT:if (p->address > pc || pc >= p->address+p->bound) break; + continue; + case RDIPoint_MASK:if ((pc & p->bound) == p->address) break; continue; + } + /* found a match */ + TracePrint((state, "Breakpoint reached at %.8lx\n", pc)); + state->EndCondition = RDIError_BreakpointReached ; + state->Emulate = STOP; + state->StopHandle = (ARMword)p; + break; + } + } + return instr; +} + +void ARMul_CheckWatch(ARMul_State *state, ARMword addr, int access) +{ WatchNode *p; + for (p = WatchList; p != NULL; p = p->next) + if (p->datatype & access) { + switch (p->type) { + case RDIPoint_EQ: if (addr == p->address) break; continue; + case RDIPoint_GT: if (addr > p->address) break; continue; + case RDIPoint_GE: if (addr >= p->address) break; continue; + case RDIPoint_LT: if (addr < p->address) break; continue; + case RDIPoint_LE: if (addr <= p->address) break; continue; + case RDIPoint_IN: if (p->address <= addr && addr < p->address+p->bound) break; + continue; + case RDIPoint_OUT:if (p->address > addr || addr >= p->address+p->bound) break; + continue; + case RDIPoint_MASK:if ((addr & p->bound) == p->address) break; continue; + } + /* found a match */ + TracePrint((state, "Watchpoint at %.8lx accessed\n", addr)); + state->EndCondition = RDIError_WatchpointAccessed; + state->Emulate = STOP; + state->StopHandle = (ARMword)p; + return; + } +} + +static RDI_NameList const *RDI_cpunames() { + return (RDI_NameList const *)&processorconfig.count; +} + +const struct RDIProcVec armul_rdi = { + "ARMUL", + RDI_open, + RDI_close, + RDI_read, + RDI_write, + RDI_CPUread, + RDI_CPUwrite, + RDI_CPread, + RDI_CPwrite, + RDI_setbreak, + RDI_clearbreak, + RDI_setwatch, + RDI_clearwatch, + RDI_execute, + RDI_step, + RDI_info, + + 0, /*pointinq*/ + 0, /*addconfig*/ + 0, /*loadconfigdata*/ + 0, /*selectconfig*/ + 0, /*drivernames*/ + + RDI_cpunames +}; + diff --git a/sim/arm/bag.h b/sim/arm/bag.h new file mode 100644 index 0000000..bd0f99d --- /dev/null +++ b/sim/arm/bag.h @@ -0,0 +1,42 @@ +/* bag.h -- ARMulator support code: ARM6 Instruction Emulator. + Copyright (C) 1994 Advanced RISC Machines Ltd. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/********************************************************************/ +/* bag.h: */ +/* Header file for bag.c */ +/* Offers a data structure for storing and getting pairs of number. */ +/* The numbers are stored together, put one can be looked up by */ +/* quoting the other. If a new pair is entered and one of the */ +/* numbers is a repeat of a previous pair, then the previos pair */ +/* is deleted. */ +/********************************************************************/ + +typedef enum { + NO_ERROR, + DELETED_OLD_PAIR, + NO_SUCH_PAIR, +} Bag_error; + +void BAG_putpair(long first, long second); + +void BAG_newbag(void); +Bag_error BAG_killpair_byfirst(long first); +Bag_error BAG_killpair_bysecond(long second); + +Bag_error BAG_getfirst(long *first, long second); +Bag_error BAG_getsecond(long first, long *second); + diff --git a/sim/arm/communicate.c b/sim/arm/communicate.c new file mode 100644 index 0000000..061e719 --- /dev/null +++ b/sim/arm/communicate.c @@ -0,0 +1,221 @@ +/* communicate.c -- ARMulator RDP comms code: ARM6 Instruction Emulator. + Copyright (C) 1994 Advanced RISC Machines Ltd. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/**************************************************************************/ +/* Functions to read and write characters or groups of characters */ +/* down sockets or pipes. Those that return a value return -1 on failure */ +/* and 0 on success. */ +/**************************************************************************/ + +#include +#include +#include +#include + +#include "armdefs.h" + +/* The socket to the debugger */ +int debugsock; + +/* The maximum number of file descriptors */ +extern int nfds; + +/* The socket handle */ +extern int sockethandle; + +/* Read and Write routines down a pipe or socket */ + +/****************************************************************/ +/* Read an individual character. */ +/* All other read functions rely on this one. */ +/* It waits 15 seconds until there is a character available: if */ +/* no character is available, then it timeouts and returns -1. */ +/****************************************************************/ +int MYread_char(int sock, unsigned char *c) { + int i; + fd_set readfds; + struct timeval timeout= {15, 0}; + struct sockaddr_in isa; + + retry: + + FD_ZERO(&readfds); + FD_SET(sock, &readfds); + + i = select(nfds, &readfds, + (fd_set *) 0, + (fd_set *) 0, + &timeout); + + if (i < 0) { + perror("select"); + exit(1); + } + + if (!i) { + fprintf(stderr, "read: Timeout\n"); + return -1; + } + + if ((i = read(sock, c, 1)) < 1) { + if (!i && sock == debugsock) { + fprintf(stderr, "Connection with debugger severed.\n"); + /* This shouldn't be necessary for a detached armulator, but + the armulator cannot be cold started a second time, so + this is probably preferable to locking up. */ + return -1; + fprintf(stderr, "Waiting for connection from debugger..."); + debugsock = accept(sockethandle, &isa, &i); + if (debugsock < 0) { /* Now we are in serious trouble... */ + perror("accept"); + return -1; + } + fprintf(stderr, " done.\nConnection Established.\n"); + sock = debugsock; + goto retry; + } + perror("read"); + return -1; + } + +#ifdef DEBUG + if (sock == debugsock) fprintf(stderr, "<%02x ", *c); +#endif + + return 0; +} + +/****************************************************************/ +/* Read an individual character. */ +/* It waits until there is a character available. Returns -1 if */ +/* an error occurs. */ +/****************************************************************/ +int MYread_charwait(int sock, unsigned char *c) { + int i; + fd_set readfds; + struct sockaddr_in isa; + + retry: + + FD_ZERO(&readfds); + FD_SET(sock, &readfds); + + i = select(nfds, &readfds, + (fd_set *) 0, + (fd_set *) 0, + (struct timeval *) 0); + + if (i < 0) { + perror("select"); + exit(-1); + } + + if ((i = read(sock, c, 1)) < 1) { + if (!i && sock == debugsock) { + fprintf(stderr, "Connection with debugger severed.\n"); + return -1; + fprintf(stderr, "Waiting for connection from debugger..."); + debugsock = accept(sockethandle, &isa, &i); + if (debugsock < 0) { /* Now we are in serious trouble... */ + perror("accept"); + return -1; + } + fprintf(stderr, " done.\nConnection Established.\n"); + sock = debugsock; + goto retry; + } + perror("read"); + return -1; + } + +#ifdef DEBUG + if (sock == debugsock) fprintf(stderr, "<%02x ", *c); +#endif + + return 0; +} + +void MYwrite_char(int sock, unsigned char c) { + + if (write(sock, &c, 1) < 1) + perror("write"); +#ifdef DEBUG + if (sock == debugsock) fprintf(stderr, ">%02x ", c); +#endif +} + +int MYread_word(int sock, ARMword *here) { + unsigned char a, b, c, d; + + if (MYread_char(sock, &a) < 0) return -1; + if (MYread_char(sock, &b) < 0) return -1; + if (MYread_char(sock, &c) < 0) return -1; + if (MYread_char(sock, &d) < 0) return -1; + *here = a | b << 8 | c << 16 | d << 24; + return 0; +} + +void MYwrite_word(int sock, ARMword i) { + MYwrite_char(sock, i & 0xff); + MYwrite_char(sock, (i & 0xff00) >> 8); + MYwrite_char(sock, (i & 0xff0000) >> 16); + MYwrite_char(sock, (i & 0xff000000) >> 24); +} + +void MYwrite_string(int sock, char *s) { + int i; + for (i = 0; MYwrite_char(sock, s[i]), s[i]; i++); +} + +int MYread_FPword(int sock, char *putinhere) { + int i; + for (i = 0; i < 16; i++) + if (MYread_char(sock, &putinhere[i]) < 0) return -1; + return 0; +} + +void MYwrite_FPword(int sock, char *fromhere) { + int i; + for (i = 0; i < 16; i++) + MYwrite_char(sock, fromhere[i]); +} + +/* Takes n bytes from source and those n bytes */ +/* down to dest */ +int passon(int source, int dest, int n) { + char *p; + int i; + + p = (char *) malloc(n); + if (!p) { + perror("Out of memory\n"); + exit(1); + } + if (n) { + for (i = 0; i < n; i++) + if (MYread_char(source, &p[i]) < 0) return -1; + +#ifdef DEBUG + if (dest == debugsock) + for (i = 0; i < n; i++) fprintf(stderr, ")%02x ", (unsigned char) p[i]); +#endif + + write(dest, p, n); + } + free(p); + return 0; +} diff --git a/sim/arm/communicate.h b/sim/arm/communicate.h new file mode 100644 index 0000000..c48b2e2 --- /dev/null +++ b/sim/arm/communicate.h @@ -0,0 +1,37 @@ +/* communicate.h -- ARMulator comms support defns: ARM6 Instruction Emulator. + Copyright (C) 1994 Advanced RISC Machines Ltd. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +int MYread_char(int sock, unsigned char *c); +void MYwrite_char(int sock, unsigned char c); +int MYread_word(int sock, ARMword *here); +void MYwrite_word(int sock, ARMword i); +void MYwrite_string(int sock, char *s); +int MYread_FPword(int sock, char *putinhere); +void MYwrite_FPword(int sock, char *fromhere); +int passon(int source, int dest, int n); + +int wait_for_osreply(ARMword *reply); /* from kid.c */ + +#define OS_SendNothing 0x0 +#define OS_SendChar 0x1 +#define OS_SendWord 0x2 +#define OS_SendString 0x3 + +/* The pipes between the two processes */ +extern int mumkid[2]; +extern int kidmum[2]; + diff --git a/sim/arm/configure.in b/sim/arm/configure.in new file mode 100644 index 0000000..bbe0360 --- /dev/null +++ b/sim/arm/configure.in @@ -0,0 +1,35 @@ +# This file is a shell script that supplies the information necessary +# to tailor a template configure script into the configure script +# appropriate for this directory. For more information, check any +# existing configure script. + +srctrigger=bag.c +srcname="arm sim" + +# per-host: + +. ${srcdir}/../../bfd/configure.host + +# Set up to make a link between the host's include file and "sysdep.h". +files="../../bfd/hosts/${my_host}.h" + +links="sysdep.h" + +if [ ! -f ${srcdir}/${files} ] ; then + files=../../bfd/hosts/std-host.h + echo "[${srcname} has no specific support for host ${host} -- using std-host]" +fi + +host_makefile_frag= +if [ -f ${srcdir}/../../bfd/config/${my_host}.mh ] ; then + host_makefile_frag=../../bfd/config/${my_host}.mh +fi + +# per-target: + + +case "${target}" in + arm-*-*) sim_target=arm ;; +esac + +target_makefile_frag=${sim_target}.mt diff --git a/sim/arm/dbg_conf.h b/sim/arm/dbg_conf.h new file mode 100644 index 0000000..1220747 --- /dev/null +++ b/sim/arm/dbg_conf.h @@ -0,0 +1,48 @@ +/* dbg_conf.h -- ARMulator debug interface: ARM6 Instruction Emulator. + Copyright (C) 1994 Advanced RISC Machines Ltd. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#ifndef Dbg_Conf__h + +#define Dbg_Conf__h + +typedef struct Dbg_ConfigBlock { + int bytesex; + long memorysize; + int serialport; /*) remote connection parameters */ + int seriallinespeed; /*) (serial connection) */ + int parallelport; /*) ditto */ + int parallellinespeed; /*) (parallel connection) */ + int processor; /* processor the armulator is to emulate (eg ARM60) */ + int rditype; /* armulator / remote processor */ + int drivertype; /* parallel / serial / etc */ + char const *configtoload; + int flags; +} Dbg_ConfigBlock; + +#define Dbg_ConfigFlag_Reset 1 + +typedef struct Dbg_HostosInterface Dbg_HostosInterface; +/* This structure allows access by the (host-independent) C-library support + module of armulator or pisd (armos.c) to host-dependent functions for + which there is no host-independent interface. Its contents are unknown + to the debugger toolbox. + The assumption is that, in a windowed system, fputc(stderr) for example + may not achieve the desired effect of the character appearing in some + window. + */ + +#endif diff --git a/sim/arm/dbg_cp.h b/sim/arm/dbg_cp.h new file mode 100644 index 0000000..b79de8f --- /dev/null +++ b/sim/arm/dbg_cp.h @@ -0,0 +1,62 @@ +/* dbg_cp.h -- ARMulator debug interface: ARM6 Instruction Emulator. + Copyright (C) 1994 Advanced RISC Machines Ltd. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#ifndef Dbg_CP__h + +#define Dbg_CP__h + +#define Dbg_Access_Readable 1 +#define Dbg_Access_Writable 2 +#define Dbg_Access_CPDT 4 /* else CPRT */ + +typedef struct { + unsigned short rmin, rmax; + /* a single description can be used for a range of registers with + the same properties *accessed via CPDT instructions* + */ + unsigned char nbytes; /* size of register */ + unsigned char access; /* see above (Access_xxx) */ + union { + struct { /* CPDT instructions do not allow the coprocessor much freedom: + only bit 22 ('N') and 12-15 ('CRd') are free for the + coprocessor to use as it sees fit. + */ + unsigned char nbit; + unsigned char rdbits; + } cpdt; + struct { /* CPRT instructions have much more latitude. The bits fixed + by the ARM are 24..31 (condition mask & opcode) + 20 (direction) + 8..15 (cpnum, arm register) + 4 (CPRT not CPDO) + leaving 14 bits free to the coprocessor (fortunately + falling within two bytes). + */ + unsigned char read_b0, read_b1, + write_b0, write_b1; + } cprt; + } accessinst; +} Dbg_CoProRegDesc; + +struct Dbg_CoProDesc { + int entries; + Dbg_CoProRegDesc regdesc[1/* really nentries */]; +}; + +#define Dbg_CoProDesc_Size(n) (sizeof(struct Dbg_CoProDesc) + (n-1)*sizeof(Dbg_CoProRegDesc)) + +#endif diff --git a/sim/arm/dbg_hif.h b/sim/arm/dbg_hif.h new file mode 100644 index 0000000..fa3df1b --- /dev/null +++ b/sim/arm/dbg_hif.h @@ -0,0 +1,47 @@ +/* dbg_hif.h -- ARMulator debug interface: ARM6 Instruction Emulator. + Copyright (C) 1994 Advanced RISC Machines Ltd. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#ifdef __STDC__ +# include +#else +# include +#endif + +typedef void Hif_DbgPrint(void *arg, const char *format, va_list ap); +typedef void Hif_DbgPause(void *arg); + +typedef void Hif_WriteC(void *arg, int c); +typedef int Hif_ReadC(void *arg); +typedef int Hif_Write(void *arg, char const *buffer, int len); +typedef char *Hif_GetS(void *arg, char *buffer, int len); + +typedef void Hif_RDIResetProc(void *arg); + +struct Dbg_HostosInterface { + Hif_DbgPrint *dbgprint; + Hif_DbgPause *dbgpause; + void *dbgarg; + + Hif_WriteC *writec; + Hif_ReadC *readc; + Hif_Write *write; + Hif_GetS *gets; + void *hostosarg; + + Hif_RDIResetProc *reset; + void *resetarg; +}; diff --git a/sim/arm/dbg_rdi.h b/sim/arm/dbg_rdi.h new file mode 100644 index 0000000..5d609d0 --- /dev/null +++ b/sim/arm/dbg_rdi.h @@ -0,0 +1,323 @@ +/* dbg_rdi.h -- ARMulator RDI interface: ARM6 Instruction Emulator. + Copyright (C) 1994 Advanced RISC Machines Ltd. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#ifndef dbg_rdi__h +#define dbg_rdi__h + +/***************************************************************************\ +* Error Codes * +\***************************************************************************/ + +#define RDIError_NoError 0 + +#define RDIError_Reset 1 +#define RDIError_UndefinedInstruction 2 +#define RDIError_SoftwareInterrupt 3 +#define RDIError_PrefetchAbort 4 +#define RDIError_DataAbort 5 +#define RDIError_AddressException 6 +#define RDIError_IRQ 7 +#define RDIError_FIQ 8 +#define RDIError_Error 9 +#define RDIError_BranchThrough0 10 + +#define RDIError_NotInitialised 128 +#define RDIError_UnableToInitialise 129 +#define RDIError_WrongByteSex 130 +#define RDIError_UnableToTerminate 131 +#define RDIError_BadInstruction 132 +#define RDIError_IllegalInstruction 133 +#define RDIError_BadCPUStateSetting 134 +#define RDIError_UnknownCoPro 135 +#define RDIError_UnknownCoProState 136 +#define RDIError_BadCoProState 137 +#define RDIError_BadPointType 138 +#define RDIError_UnimplementedType 139 +#define RDIError_BadPointSize 140 +#define RDIError_UnimplementedSize 141 +#define RDIError_NoMorePoints 142 +#define RDIError_BreakpointReached 143 +#define RDIError_WatchpointAccessed 144 +#define RDIError_NoSuchPoint 145 +#define RDIError_ProgramFinishedInStep 146 +#define RDIError_UserInterrupt 147 +#define RDIError_CantSetPoint 148 +#define RDIError_IncompatibleRDILevels 149 + +#define RDIError_CantLoadConfig 150 +#define RDIError_BadConfigData 151 +#define RDIError_NoSuchConfig 152 +#define RDIError_BufferFull 153 +#define RDIError_OutOfStore 154 +#define RDIError_NotInDownload 155 +#define RDIError_PointInUse 156 +#define RDIError_BadImageFormat 157 +#define RDIError_TargetRunning 158 + +#define RDIError_LittleEndian 240 +#define RDIError_BigEndian 241 +#define RDIError_SoftInitialiseError 242 + +#define RDIError_InsufficientPrivilege 253 +#define RDIError_UnimplementedMessage 254 +#define RDIError_UndefinedMessage 255 + +/***************************************************************************\ +* RDP Message Numbers * +\***************************************************************************/ + +#define RDP_Start (unsigned char)0x0 +#define RDP_End (unsigned char)0x1 +#define RDP_Read (unsigned char)0x2 +#define RDP_Write (unsigned char)0x3 +#define RDP_CPUread (unsigned char)0x4 +#define RDP_CPUwrite (unsigned char)0x5 +#define RDP_CPread (unsigned char)0x6 +#define RDP_CPwrite (unsigned char)0x7 +#define RDP_SetBreak (unsigned char)0xa +#define RDP_ClearBreak (unsigned char)0xb +#define RDP_SetWatch (unsigned char)0xc +#define RDP_ClearWatch (unsigned char)0xd +#define RDP_Execute (unsigned char)0x10 +#define RDP_Step (unsigned char)0x11 +#define RDP_Info (unsigned char)0x12 +#define RDP_OSOpReply (unsigned char)0x13 + +#define RDP_AddConfig (unsigned char)0x14 +#define RDP_LoadConfigData (unsigned char)0x15 +#define RDP_SelectConfig (unsigned char)0x16 +#define RDP_LoadAgent (unsigned char)0x17 + +#define RDP_Stopped (unsigned char)0x20 +#define RDP_OSOp (unsigned char)0x21 +#define RDP_Fatal (unsigned char)0x5e +#define RDP_Return (unsigned char)0x5f +#define RDP_Reset (unsigned char)0x7f + +/***************************************************************************\ +* Other RDI values * +\***************************************************************************/ + +#define RDISex_Little 0 /* the byte sex of the debuggee */ +#define RDISex_Big 1 +#define RDISex_DontCare 2 + +#define RDIPoint_EQ 0 /* the different types of break/watchpoints */ +#define RDIPoint_GT 1 +#define RDIPoint_GE 2 +#define RDIPoint_LT 3 +#define RDIPoint_LE 4 +#define RDIPoint_IN 5 +#define RDIPoint_OUT 6 +#define RDIPoint_MASK 7 + +#define RDIPoint_Inquiry 64 /* ORRed with point type in extended RDP */ +#define RDIPoint_Handle 128 /* messages */ + +#define RDIWatch_ByteRead 1 /* types of data accesses to watch for */ +#define RDIWatch_HalfRead 2 +#define RDIWatch_WordRead 4 +#define RDIWatch_ByteWrite 8 +#define RDIWatch_HalfWrite 16 +#define RDIWatch_WordWrite 32 + +#define RDIReg_R15 (1L << 15) /* mask values for CPU */ +#define RDIReg_PC (1L << 16) +#define RDIReg_CPSR (1L << 17) +#define RDIReg_SPSR (1L << 18) +#define RDINumCPURegs 19 + +#define RDINumCPRegs 10 /* current maximum */ + +#define RDIMode_Curr 255 + +/* Bits set in return value from RDIInfo_Target */ +#define RDITarget_LogSpeed 0x0f +#define RDITarget_HW 0x10 /* else emulator */ +#define RDITarget_AgentMaxLevel 0xe0 +#define RDITarget_AgentLevelShift 5 +#define RDITarget_DebuggerMinLevel 0x700 +#define RDITarget_DebuggerLevelShift 8 +#define RDITarget_CanReloadAgent 0x800 +#define RDITarget_CanInquireLoadSize 0x1000 + +/* Bits set in return value from RDIInfo_Step */ +#define RDIStep_Multiple 1 +#define RDIStep_PCChange 2 +#define RDIStep_Single 4 + +/* Bits set in return value from RDIInfo_Points */ +#define RDIPointCapability_Comparison 1 +#define RDIPointCapability_Range 2 +/* 4 to 128 are RDIWatch_xx{Read,Write} left-shifted by two */ +#define RDIPointCapability_Mask 256 +#define RDIPointCapability_Status 512 /* Point status enquiries available */ + +/* RDI_Info subcodes */ +#define RDIInfo_Target 0 +#define RDIInfo_Points 1 +#define RDIInfo_Step 2 +#define RDIInfo_MMU 3 +#define RDIInfo_DownLoad 4 /* Inquires whether configuration download + and selection is available. + */ +#define RDIInfo_SemiHosting 5 /* Inquires whether RDISemiHosting_* RDI_Info + calls are available. + */ +#define RDIInfo_CoPro 6 /* Inquires whether CoPro RDI_Info calls are + available. + */ +#define RDIInfo_Icebreaker 7 + +/* The next two are only to be used if the value returned by RDIInfo_Points */ +/* has RDIPointCapability_Status set. */ +#define RDIPointStatus_Watch 0x80 +#define RDIPointStatus_Break 0x81 + +#define RDISignal_Stop 0x100 + +#define RDIVector_Catch 0x180 + +/* The next four are only to be used if RDIInfo_Semihosting returned no error */ +#define RDISemiHosting_SetState 0x181 +#define RDISemiHosting_GetState 0x182 +#define RDISemiHosting_SetVector 0x183 +#define RDISemiHosting_GetVector 0x184 + +/* The next two are only to be used if RDIInfo_Icebreaker returned no error */ +#define RDIIcebreaker_GetLocks 0x185 +#define RDIIcebreaker_SetLocks 0x186 + +/* Only if RDIInfo_Target returned RDITarget_CanInquireLoadSize */ +#define RDIInfo_GetLoadSize 0x187 + +#define RDICycles 0x200 +#define RDICycles_Size 48 +#define RDIErrorP 0x201 + +#define RDISet_Cmdline 0x300 +#define RDISet_RDILevel 0x301 +#define RDISet_Thread 0x302 + +/* The next two are only to be used if RDIInfo_CoPro returned no error */ +#define RDIInfo_DescribeCoPro 0x400 +#define RDIInfo_RequestCoProDesc 0x401 + +#define RDIInfo_Log 0x800 +#define RDIInfo_SetLog 0x801 + +typedef unsigned long PointHandle; +typedef unsigned long ThreadHandle; +#define RDINoPointHandle ((PointHandle)-1L) +#define RDINoHandle ((ThreadHandle)-1L) + +struct Dbg_ConfigBlock; +struct Dbg_HostosInterface; +struct Dbg_MCState; +typedef int rdi_open_proc(unsigned type, struct Dbg_ConfigBlock const *config, + struct Dbg_HostosInterface const *i, + struct Dbg_MCState *dbg_state); +typedef int rdi_close_proc(void); +typedef int rdi_read_proc(ARMword source, void *dest, unsigned *nbytes); +typedef int rdi_write_proc(const void *source, ARMword dest, unsigned *nbytes); +typedef int rdi_CPUread_proc(unsigned mode, unsigned long mask, ARMword *state); +typedef int rdi_CPUwrite_proc(unsigned mode, unsigned long mask, ARMword const *state); +typedef int rdi_CPread_proc(unsigned CPnum, unsigned long mask, ARMword *state); +typedef int rdi_CPwrite_proc(unsigned CPnum, unsigned long mask, ARMword const *state); +typedef int rdi_setbreak_proc(ARMword address, unsigned type, ARMword bound, + PointHandle *handle); +typedef int rdi_clearbreak_proc(PointHandle handle); +typedef int rdi_setwatch_proc(ARMword address, unsigned type, unsigned datatype, + ARMword bound, PointHandle *handle); +typedef int rdi_clearwatch_proc(PointHandle handle); +typedef int rdi_execute_proc(PointHandle *handle); +typedef int rdi_step_proc(unsigned ninstr, PointHandle *handle); +typedef int rdi_info_proc(unsigned type, ARMword *arg1, ARMword *arg2); +typedef int rdi_pointinq_proc(ARMword *address, unsigned type, + unsigned datatype, ARMword *bound); + +typedef enum { + RDI_ConfigCPU, + RDI_ConfigSystem +} RDI_ConfigAspect; + +typedef enum { + RDI_MatchAny, + RDI_MatchExactly, + RDI_MatchNoEarlier +} RDI_ConfigMatchType; + +typedef int rdi_addconfig_proc(unsigned long nbytes); +typedef int rdi_loadconfigdata_proc(unsigned long nbytes, char const *data); +typedef int rdi_selectconfig_proc(RDI_ConfigAspect aspect, char const *name, + RDI_ConfigMatchType matchtype, unsigned versionreq, + unsigned *versionp); + +typedef char *getbufferproc(void *getbarg, unsigned long *sizep); +typedef int rdi_loadagentproc(ARMword dest, unsigned long size, getbufferproc *getb, void *getbarg); + +typedef struct { + int itemmax; + char const * const *names; +} RDI_NameList; + +typedef RDI_NameList const *rdi_namelistproc(void); + +typedef int rdi_errmessproc(char *buf, int buflen, int errno); + +struct RDIProcVec { + char rditypename[12]; + + rdi_open_proc *open; + rdi_close_proc *close; + rdi_read_proc *read; + rdi_write_proc *write; + rdi_CPUread_proc *CPUread; + rdi_CPUwrite_proc *CPUwrite; + rdi_CPread_proc *CPread; + rdi_CPwrite_proc *CPwrite; + rdi_setbreak_proc *setbreak; + rdi_clearbreak_proc *clearbreak; + rdi_setwatch_proc *setwatch; + rdi_clearwatch_proc *clearwatch; + rdi_execute_proc *execute; + rdi_step_proc *step; + rdi_info_proc *info; + /* V2 RDI */ + rdi_pointinq_proc *pointinquiry; + + /* These three useable only if RDIInfo_DownLoad returns no error */ + rdi_addconfig_proc *addconfig; + rdi_loadconfigdata_proc *loadconfigdata; + rdi_selectconfig_proc *selectconfig; + + rdi_namelistproc *drivernames; + rdi_namelistproc *cpunames; + + rdi_errmessproc *errmess; + + /* Only if RDIInfo_Target returns a value with RDITarget_LoadAgent set */ + rdi_loadagentproc *loadagent; +}; + +#endif + + + + + + diff --git a/sim/arm/gdbhost.c b/sim/arm/gdbhost.c new file mode 100644 index 0000000..9e6e2ef --- /dev/null +++ b/sim/arm/gdbhost.c @@ -0,0 +1,107 @@ +/* gdbhost.c -- ARMulator RDP to gdb comms code: ARM6 Instruction Emulator. + Copyright (C) 1994 Advanced RISC Machines Ltd. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/***********************************************************/ +/* Functions that communicate info back to the debugger... */ +/***********************************************************/ + +#include +#include +#include "armdefs.h" +#include "communicate.h" +#include "dbg_rdi.h" +#include "armos.h" + +#define OS_SendNothing 0x0 +#define OS_SendChar 0x1 +#define OS_SendWord 0x2 +#define OS_SendString 0x3 + +/* Defined in kid.c */ +extern int wait_for_osreply(ARMword *reply); + +/* A pipe for handling SWI return values that goes straight from the */ +/* parent to the ARMulator host interface, bypassing the childs RDP */ +/* to RDI interpreter */ +int DebuggerARMul[2]; + +/* The pipes between the two processes */ +int mumkid[2]; +int kidmum[2]; + +void myprint (void *arg, const char *format, va_list ap) +{ +#ifdef DEBUG + fprintf (stderr, "Host: myprint\n"); +#endif + vfprintf (stderr, format, ap); +} + + +/* Waits for a keypress on the debuggers' keyboard */ +void mypause (void *arg) +{ +#ifdef DEBUG + fprintf (stderr, "Host: mypause\n"); +#endif +} /* I do love exciting functions */ + +void mywritec(void *arg, int c) +{ +#ifdef DEBUG + fprintf(stderr, "Mywrite : %c\n", c); +#endif + MYwrite_char(kidmum[1], RDP_OSOp); /* OS Operation Request Message */ + MYwrite_word(kidmum[1], SWI_WriteC); /* Print... */ + MYwrite_char(kidmum[1], OS_SendChar); /* ...a single character */ + MYwrite_char(kidmum[1], (unsigned char) c); + + wait_for_osreply((ARMword *) 0); +} + +int myreadc(void *arg) +{ + char c; + ARMword x; + +#ifdef DEBUG + fprintf(stderr, "Host: myreadc\n"); +#endif + MYwrite_char(kidmum[1], RDP_OSOp); /* OS Operation Request Message */ + MYwrite_word(kidmum[1], SWI_ReadC); /* Read... */ + MYwrite_char(kidmum[1], OS_SendNothing); + + c = wait_for_osreply(&x); + return (x); +} + + +int mywrite(void *arg, char const *buffer, int len) +{ +#ifdef DEBUG + fprintf(stderr, "Host: mywrite\n"); +#endif + return 0; +} + +char *mygets(void *arg, char *buffer, int len) +{ +#ifdef DEBUG + fprintf(stderr, "Host: mygets\n"); +#endif + return buffer; +} diff --git a/sim/arm/gdbhost.h b/sim/arm/gdbhost.h new file mode 100644 index 0000000..0a10787 --- /dev/null +++ b/sim/arm/gdbhost.h @@ -0,0 +1,23 @@ +/* gdbhost.h -- ARMulator to gdb interface: ARM6 Instruction Emulator. + Copyright (C) 1994 Advanced RISC Machines Ltd. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +void myprint(void *arg, const char *format, va_list ap); +void mypause(void *arg); +void mywritec(void *arg, int c); +int myreadc(void *arg); +int mywrite(void *arg, char const *buffer, int len); +char *mygets(void *arg, char *buffer, int len); diff --git a/sim/arm/kid.c b/sim/arm/kid.c new file mode 100644 index 0000000..7a0a521 --- /dev/null +++ b/sim/arm/kid.c @@ -0,0 +1,510 @@ +/* kid.c -- ARMulator RDP/RDI interface: ARM6 Instruction Emulator. + Copyright (C) 1994 Advanced RISC Machines Ltd. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/*****************************************************************/ +/* The child process continues here... */ +/* It waits on a pipe from the parent and translates the RDP */ +/* messages into RDI calls to the ARMulator passing RDP replies */ +/* back up a pipe to the parent. */ +/*****************************************************************/ + +#include +#include + +#include "armdefs.h" +#include "dbg_conf.h" +#include "dbg_hif.h" +#include "dbg_rdi.h" +#include "gdbhost.h" +#include "communicate.h" + +/* The pipes between the two processes */ +extern int mumkid[2]; +extern int kidmum[2]; + +/* The maximum number of file descriptors */ +extern int nfds; + +/* The machine name */ +#define MAXHOSTNAMELENGTH 64 +extern char localhost[MAXHOSTNAMELENGTH + 1]; + +/* The socket number */ +extern unsigned int socketnumber; + +/* RDI interface */ +extern const struct RDIProcVec armul_rdi; + +static int MYrdp_level = 0; + +static int rdi_state = 0; + +/**************************************************************/ +/* Signal handler that terminates excecution in the ARMulator */ +/**************************************************************/ +void kid_handlesignal(int sig) { +#ifdef DEBUG + fprintf(stderr, "Terminate ARMulator excecution\n"); +#endif + if (sig != SIGUSR1) { + fprintf(stderr, "Unsupported signal.\n"); + return; + } + armul_rdi.info(RDISignal_Stop, (unsigned long *) 0, (unsigned long *) 0); +} + +/********************************************************************/ +/* Waits on a pipe from the socket demon for RDP and */ +/* acts as an RDP to RDI interpreter on the front of the ARMulator. */ +/********************************************************************/ +void kid() { + char *p, *q; + int i, j, k; + long outofthebag; + unsigned char c, d, message; + ARMword x, y, z; + struct sigaction action; + PointHandle point; + Dbg_ConfigBlock config; + Dbg_HostosInterface hostif; + struct Dbg_MCState *MCState; + char command_line[256]; + struct fd_set readfds; + + /* Setup a signal handler for SIGUSR1 */ + action.sa_handler = kid_handlesignal; + action.sa_mask = 0; + action.sa_flags = 0; + + sigaction(SIGUSR1, &action, (struct sigaction *) 0); + + while (1) + { + /* Wait for ever */ + FD_ZERO(&readfds); + FD_SET(mumkid[0], &readfds); + + i = select(nfds, &readfds, + (fd_set *) 0, + (fd_set *) 0, + (struct timeval *) 0); + + if (i < 0) { + perror("select"); + } + + if (read(mumkid[0], &message, 1) < 1) { + perror("read"); + } + + switch (message) { + case RDP_Start : + /* Open and/or Initialise */ + BAG_newbag(); + + MYread_char(mumkid[0], &c); /* type */ + MYread_word(mumkid[0], &x); /* memorysize */ + if (c & 0x2) MYread_char(mumkid[0], &d); /* speed */ + config.processor = 0; + config.memorysize = x; + config.bytesex = (c & 0x4) ? RDISex_Big : RDISex_Little; + if (c & 0x8) config.bytesex = RDISex_DontCare; + + hostif.dbgprint = myprint; + hostif.dbgpause = mypause; + hostif.dbgarg = stdout; + hostif.writec = mywritec; + hostif.readc = myreadc; + hostif.write = mywrite; + hostif.gets = mygets; + hostif.reset = mypause; /* do nothing */ + hostif.resetarg = "Do I love resetting or what!\n"; + + if (rdi_state) + { + /* we have restarted, so kill off the existing run. */ + /* armul_rdi.close(); */ + } + i = armul_rdi.open(c & 0x3, &config, &hostif, MCState); + rdi_state = 1; + + MYwrite_char(kidmum[1], RDP_Return); + MYwrite_char(kidmum[1], (unsigned char) i); + + x = ~0x4; + armul_rdi.info(RDIVector_Catch, &x, 0); + + break; + + case RDP_End : + /* Close and Finalise */ + i = armul_rdi.close(); + rdi_state = 0; + MYwrite_char(kidmum[1], RDP_Return); + MYwrite_char(kidmum[1], (unsigned char) i); + break; + + case RDP_Read : + /* Read Memory Address */ + MYread_word(mumkid[0], &x); /* address */ + MYread_word(mumkid[0], &y); /* nbytes */ + p = (char *) malloc(y); + i = armul_rdi.read(x, p, (unsigned *) &y); + MYwrite_char(kidmum[1], RDP_Return); + for (k = 0; k < y; k++) + MYwrite_char(kidmum[1], p[k]); + free(p); + MYwrite_char(kidmum[1], (unsigned char) i); + if (i) + MYwrite_word(kidmum[1], y); /* number of bytes sent without error */ + break; + + case RDP_Write : + /* Write Memory Address */ + MYread_word(mumkid[0], &x); /* address */ + MYread_word(mumkid[0], &y); /* nbytes */ + p = (char *) malloc(y); + for (k = 0; k < y; k++) + MYread_char(mumkid[0], &p[k]); + i = armul_rdi.write(p, x, (unsigned *) &y); + free(p); + MYwrite_char(kidmum[1], RDP_Return); + MYwrite_char(kidmum[1], (unsigned char) i); + if (i) + MYwrite_word(kidmum[1], y); /* number of bytes sent without error */ + break; + + case RDP_CPUread : + /* Read CPU State */ + MYread_char(mumkid[0], &c); /* mode */ + MYread_word(mumkid[0], &x); /* mask */ + p = (char *) malloc(4 * RDINumCPURegs); + i = armul_rdi.CPUread(c, x, (ARMword *) p); + MYwrite_char(kidmum[1], RDP_Return); + for (k = 1, j = 0; k != 0x80000000; k *= 2) + if (k & x) MYwrite_word(kidmum[1], ((ARMword *) p)[j++]); + free(p); + if (i) MYwrite_char(kidmum[1], (unsigned char) j); + MYwrite_char(kidmum[1], (unsigned char) i); + break; + + case RDP_CPUwrite : + /* Write CPU State */ + MYread_char(mumkid[0], &c); /* mode */ + MYread_word(mumkid[0], &x); /* mask */ + + p = (char *) malloc(4 * RDINumCPURegs); + for (k = 1, j = 0; k != 0x80000000; k *= 2) + if (k & x) MYread_word(mumkid[0], &(((ARMword *) p)[j++])); + i = armul_rdi.CPUwrite(c, x, (ARMword *) p); + MYwrite_char(kidmum[1], RDP_Return); + MYwrite_char(kidmum[1], (unsigned char) i); + free(p); + break; + + case RDP_CPread : + /* Read Co-Processor State */ + MYread_char(mumkid[0], &c); /* CPnum */ + MYread_word(mumkid[0], &x); /* mask */ + p = q = (char *) malloc(16 * RDINumCPRegs); + i = armul_rdi.CPread(c, x, (ARMword *) p); + MYwrite_char(kidmum[1], RDP_Return); + for (k = 1, j = 0; k != 0x80000000; k *= 2, j++) + if (k & x) { + if ((c == 1 || c == 2) && k <= 128) { + MYwrite_FPword(kidmum[1], q); + q += 16; + } + else { + MYwrite_word(kidmum[1], *q); + q += 4; + } + } + free(p); + if (i) MYwrite_char(kidmum[1], (unsigned char) j); + MYwrite_char(kidmum[1], (unsigned char) i); + break; + + case RDP_CPwrite : + /* Write Co-Processor State */ + MYread_char(mumkid[0], &c); /* CPnum */ + MYread_word(mumkid[0], &x); /* mask */ + p = q = (char *) malloc(16 * RDINumCPURegs); + for (k = 1, j = 0; k != 0x80000000; k *= 2, j++) + if (k & x) { + if ((c == 1 || c == 2) && k <= 128) { + MYread_FPword(kidmum[1], q); + q += 16; + } + else { + MYread_word(mumkid[0], (ARMword *) q); + q += 4; + } + } + i = armul_rdi.CPwrite(c, x, (ARMword *) p); + MYwrite_char(kidmum[1], RDP_Return); + MYwrite_char(kidmum[1], (unsigned char) i); + free(p); + break; + + case RDP_SetBreak : + /* Set Breakpoint */ + MYread_word(mumkid[0], &x); /* address */ + MYread_char(mumkid[0], &c); /* type */ + if ((c & 0xf) >= 5) MYread_word(mumkid[0], &y); /* bound */ + i = armul_rdi.setbreak(x, c, y, &point); + if (!MYrdp_level) BAG_putpair((long) x, (long) point); + MYwrite_char(kidmum[1], RDP_Return); + if (MYrdp_level) MYwrite_word(kidmum[1], point); + MYwrite_char(kidmum[1], (unsigned char) i); + break; + + case RDP_ClearBreak : + /* Clear Breakpoint */ + MYread_word(mumkid[0], &point); /* PointHandle */ + if (!MYrdp_level) { + BAG_getsecond((long) point, &outofthebag); /* swap pointhandle for address */ + BAG_killpair_byfirst(outofthebag); + point = outofthebag; + } + i = armul_rdi.clearbreak(point); + MYwrite_char(kidmum[1], RDP_Return); + MYwrite_char(kidmum[1], (unsigned char) i); + break; + + case RDP_SetWatch : + /* Set Watchpoint */ + MYread_word(mumkid[0], &x); /* address */ + MYread_char(mumkid[0], &c); /* type */ + MYread_char(mumkid[0], &d); /* datatype */ + if ((c & 0xf) >= 5) MYread_word(mumkid[0], &y); /* bound */ + i = armul_rdi.setwatch(x, c, d, y, &point); + MYwrite_char(kidmum[1], RDP_Return); + MYwrite_word(kidmum[1], point); + MYwrite_char(kidmum[1], (unsigned char) i); + break; + + case RDP_ClearWatch : + /* Clear Watchpoint */ + MYread_word(mumkid[0], &point); /* PointHandle */ + i = armul_rdi.clearwatch(point); + MYwrite_char(kidmum[1], RDP_Return); + MYwrite_char(kidmum[1], (unsigned char) i); + break; + + case RDP_Execute : + /* Excecute */ + + MYread_char(mumkid[0], &c); /* return */ + +#ifdef DEBUG + fprintf(stderr, "Starting execution\n"); +#endif + i = armul_rdi.execute(&point); +#ifdef DEBUG + fprintf(stderr, "Completed execution\n"); +#endif + MYwrite_char(kidmum[1], RDP_Return); + if (c & 0x80) MYwrite_word(kidmum[1], point); + MYwrite_char(kidmum[1], (unsigned char) i); + break; + + case RDP_Step : + /* Step */ + MYread_char(mumkid[0], &c); /* return */ + MYread_word(mumkid[0], &x); /* ninstr */ + point = 0x87654321; + i = armul_rdi.step(x, &point); + MYwrite_char(kidmum[1], RDP_Return); + if (c & 0x80) MYwrite_word(kidmum[1], point); + MYwrite_char(kidmum[1], (unsigned char) i); + break; + + case RDP_Info: + /* Info */ + MYread_word (mumkid[0], &x); + switch (x) + { + case RDIInfo_Target: + i = armul_rdi.info (RDIInfo_Target, &y, &z); + MYwrite_char (kidmum[1], RDP_Return); + MYwrite_word (kidmum[1], y); /* Loads of info... */ + MYwrite_word (kidmum[1], z); /* Model */ + MYwrite_char (kidmum[1], (unsigned char) i); + break; + + case RDISet_RDILevel: + MYread_word (mumkid[0], &x); /* arg1, debug level */ + i = armul_rdi.info (RDISet_RDILevel, &x, 0); + if (i == RDIError_NoError) + MYrdp_level = x; + MYwrite_char (kidmum[1], RDP_Return); + MYwrite_char (kidmum[1], (unsigned char) i); + break; + + case RDISet_Cmdline: + for (p = command_line; MYread_char (mumkid[0], p), *p; p++) + ; /* String */ + i = armul_rdi.info (RDISet_Cmdline, + (unsigned long *) command_line, 0); + MYwrite_char (kidmum[1], RDP_Return); + MYwrite_char (kidmum[1], (unsigned char) i); + break; + + case RDIInfo_Step: + i = armul_rdi.info (RDIInfo_Step, &x, 0); + MYwrite_char (kidmum[1], RDP_Return); + MYwrite_word (kidmum[1], x); + MYwrite_char (kidmum[1], (unsigned char) i); + break; + + case RDIVector_Catch: + MYread_word (mumkid[0], &x); + i = armul_rdi.info (RDIVector_Catch, &x, 0); + MYwrite_char (kidmum[1], RDP_Return); + MYwrite_char (kidmum[1], i); + break; + + case RDIInfo_Points: + i = armul_rdi.info (RDIInfo_Points, &x, 0); + MYwrite_char (kidmum[1], RDP_Return); + MYwrite_word (kidmum[1], x); + MYwrite_char (kidmum[1], (unsigned char) i); + break; + + default: + fprintf (stderr, "Unsupported info code %d\n", x); + break; + } + break; + + case RDP_OSOpReply: + /* OS Operation Reply */ + MYwrite_char (kidmum[1], RDP_Fatal); + break; + + case RDP_Reset: + /* Reset */ + for (i = 0; i < 50; i++) + MYwrite_char(kidmum[1], RDP_Reset); + p = (char *) malloc(MAXHOSTNAMELENGTH + 5 + 20); + sprintf(p, "Running on %s:%d\n", localhost, socketnumber); + MYwrite_string(kidmum[1], p); + free(p); + + break; + default: + fprintf (stderr, "Oh dear: Something is seriously wrong :-(\n"); + /* Hmm.. bad RDP operation */ + break; + } + } +} + + +/* Handles memory read operations until an OS Operation Reply Message is */ +/* encounterd. It then returns the byte info value (0, 1, or 2) and fills */ +/* in 'putinr0' with the data if appropriate. */ +int wait_for_osreply(ARMword *reply) +{ + char *p, *q; + int i, j, k; + unsigned char c, d, message; + ARMword x, y, z; + struct sigaction action; + PointHandle point; + Dbg_ConfigBlock config; + Dbg_HostosInterface hostif; + struct Dbg_MCState *MCState; + char command_line[256]; + struct fd_set readfds; + +#ifdef DEBUG + fprintf(stderr, "wait_for_osreply ().\n"); +#endif + + /* Setup a signal handler for SIGUSR1 */ + action.sa_handler = kid_handlesignal; + action.sa_mask = 0; + action.sa_flags = 0; + + sigaction(SIGUSR1, &action, (struct sigaction *) 0); + + while (1) + { + /* Wait for ever */ + FD_ZERO(&readfds); + FD_SET(mumkid[0], &readfds); + + i = select(nfds, &readfds, + (fd_set *) 0, + (fd_set *) 0, + (struct timeval *) 0); + + if (i < 0) { + perror("select"); + } + + if (read(mumkid[0], &message, 1) < 1) { + perror("read"); + } + + switch (message) { + case RDP_Read : + /* Read Memory Address */ + MYread_word(mumkid[0], &x); /* address */ + MYread_word(mumkid[0], &y); /* nbytes */ + p = (char *) malloc(y); + i = armul_rdi.read(x, p, (unsigned *) &y); + MYwrite_char(kidmum[1], RDP_Return); + for (k = 0; k < y; k++) + MYwrite_char(kidmum[1], p[k]); + free(p); + MYwrite_char(kidmum[1], (unsigned char) i); + if (i) + MYwrite_word(kidmum[1], y); /* number of bytes sent without error */ + break; + + case RDP_Write : + /* Write Memory Address */ + MYread_word(mumkid[0], &x); /* address */ + MYread_word(mumkid[0], &y); /* nbytes */ + p = (char *) malloc(y); + for (k = 0; k < y; k++) + MYread_char(mumkid[0], &p[k]); + i = armul_rdi.write(p, x, (unsigned *) &y); + free(p); + MYwrite_char(kidmum[1], RDP_Return); + MYwrite_char(kidmum[1], (unsigned char) i); + if (i) + MYwrite_word(kidmum[1], y); /* number of bytes sent without error */ + break; + + case RDP_OSOpReply : + /* OS Operation Reply */ + MYread_char(mumkid[0], &c); + if (c == 1) MYread_char(mumkid[0], (char *) reply); + if (c == 2) MYread_word(mumkid[0], reply); + return c; + break; + + default : + fprintf(stderr, "HELP! Unaccounted-for message during OS request. \n"); + MYwrite_char(kidmum[1], RDP_Fatal); + } + } +} diff --git a/sim/arm/main.c b/sim/arm/main.c new file mode 100644 index 0000000..5de48e3 --- /dev/null +++ b/sim/arm/main.c @@ -0,0 +1,183 @@ +/* main.c -- top level of ARMulator: ARM6 Instruction Emulator. + Copyright (C) 1994 Advanced RISC Machines Ltd. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/**********************************************************************/ +/* Forks the ARMulator and hangs on a socket passing on RDP messages */ +/* down a pipe to the ARMulator which translates them into RDI calls. */ +/**********************************************************************/ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "armdefs.h" +#include "dbg_rdi.h" +#include "dbg_conf.h" + +#define MAXHOSTNAMELENGTH 64 + +/* Read and write routines down sockets and pipes */ + +void MYread_chars(int sock, void *p, int n); +unsigned char MYread_char(int sock); +ARMword MYread_word(int sock); +void MYread_FPword(int sock, char *putinhere); + +void MYwrite_word(int sock, ARMword i); +void MYwrite_string(int sock, char *s); +void MYwrite_FPword(int sock, char *fromhere); +void MYwrite_char(int sock, unsigned char c); + +void passon(int source, int dest, int n); + + +/* Mother and child processes */ +void parent (void); +void kid(void); + +/* The child process id. */ +pid_t child; + +/* The socket to the debugger */ +int debugsock; + +/* The pipes between the two processes */ +int mumkid[2]; +int kidmum[2]; + +/* A pipe for handling SWI return values that goes straight from the */ +/* parent to the ARMulator host interface, bypassing the childs RDP */ +/* to RDI interpreter */ +int DebuggerARMul[2]; + +/* The maximum number of file descriptors */ +int nfds; + +/* The socket handle */ +int sockethandle; + +/* The machine name */ +char localhost[MAXHOSTNAMELENGTH + 1]; + +/* The socket number */ +unsigned int socketnumber; + +/**************************************************************/ +/* Takes one argument: the socket number. */ +/* Opens a socket to the debugger, and once opened spawns the */ +/* ARMulator and sets up a couple of pipes. */ +/**************************************************************/ +int main(int argc, char *argv[]) { + int i; + struct sockaddr_in devil, isa; + struct hostent *hp; + + + if (argc == 1) { + fprintf(stderr, "No socket number\n"); + return 1; + } + + sscanf(argv[1], "%d", &socketnumber); + if (!socketnumber || socketnumber > 0xffff) { + fprintf(stderr, "Invalid socket number: %d\n", socketnumber); + return 1; + } + + gethostname(localhost, MAXHOSTNAMELENGTH); + hp = gethostbyname(localhost); + if (!hp) { + fprintf(stderr, "Cannot get local host info\n"); + return 1; + } + + /* Open a socket */ + sockethandle = socket(hp->h_addrtype, SOCK_STREAM, 0); + if (sockethandle < 0) { + perror("socket"); + return 1; + } + + devil.sin_family = hp->h_addrtype; + devil.sin_port = htons(socketnumber); + devil.sin_addr.s_addr = 0; + for(i = 0; i < sizeof(devil.sin_zero); i++) devil.sin_zero[i] = '\000'; + memcpy(&devil.sin_addr, hp->h_addr_list[0], hp->h_length); + + if (bind(sockethandle, &devil, sizeof(devil)) < 0) { + perror("bind"); + return 1; + } + + /* May only accept one debugger at once */ + + if (listen(sockethandle, 0)) { + perror("listen"); + return 1; + } + + fprintf(stderr, "Waiting for connection from debugger..."); + + debugsock = accept(sockethandle, &isa, &i); + if (debugsock < 0) { + perror("accept"); + return 1; + } + + fprintf(stderr, " done.\nConnection Established.\n"); + + nfds = getdtablesize(); + + if (pipe(mumkid)) { + perror("pipe"); + return 1; + } + if (pipe(kidmum)) { + perror("pipe"); + return 1; + } + + if (pipe(DebuggerARMul)) { + perror("pipe"); + return 1; + } + +#ifdef DEBUG + fprintf(stderr, "Created pipes ok\n"); +#endif + + child = fork(); + +#ifdef DEBUG + fprintf(stderr, "fork() ok\n"); +#endif + + if (child == 0) kid (); + if (child != -1) parent (); + + perror("fork"); + return 1; +} + + + + diff --git a/sim/arm/parent.c b/sim/arm/parent.c new file mode 100644 index 0000000..9eeb904 --- /dev/null +++ b/sim/arm/parent.c @@ -0,0 +1,483 @@ +/* parent.c -- ARMulator RDP comms code: ARM6 Instruction Emulator. + Copyright (C) 1994 Advanced RISC Machines Ltd. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/*****************************************************************/ +/* The Parent process continues here... */ +/* It waits on the socket and passes on RDP messages down a pipe */ +/* to the ARMulator RDP to RDI interpreter. */ +/*****************************************************************/ + +#include +#include +#include +#include "time.h" +#include "armdefs.h" +#include "dbg_rdi.h" +#include "communicate.h" + +/* The socket to the debugger */ +extern int debugsock; + +/* The pipes between the two processes */ +extern int mumkid[2]; +extern int kidmum[2]; + +/* A pipe for handling SWI return values that goes straight from the */ +/* parent to the ARMulator host interface, bypassing the child's RDP */ +/* to RDI interpreter */ +extern int DebuggerARMul[2]; + +/* The maximum number of file descriptors */ +extern int nfds; + +/* The child process id. */ +extern pid_t child; + +void +parent () +{ + int i, j, k; + unsigned char message, CPnum, exreturn; + ARMword mask, nbytes, messagetype; + unsigned char c, d; + ARMword x, y; + int virgin = 1; + struct fd_set readfds; + +#ifdef DEBUG + fprintf (stderr, "parent ()...\n"); +#endif + + panic_error: + + if (!virgin) + { +#ifdef DEBUG + fprintf(stderr, "Arghh! What is going on?\n"); +#endif + kill (child, SIGHUP); + MYwrite_char(debugsock, RDP_Reset); + } + + virgin = 0; + + while (1) + { + + /* Wait either for the ARMulator or the debugger */ + + FD_ZERO (&readfds); + FD_SET (kidmum[0], &readfds); /* Wait for messages from ARMulator */ + FD_SET (debugsock, &readfds); /* Wait for messages from debugger */ + +#ifdef DEBUG + fprintf (stderr, "Waiting for ARMulator or debugger... "); +#endif + + while ((i = select (nfds, &readfds, (fd_set *) 0, (fd_set *) 0, 0)) < 0) + { + perror ("select"); + } + +#ifdef DEBUG + fprintf(stderr, "(%d/2)", i); +#endif + + if (FD_ISSET (debugsock, &readfds)) { +#ifdef DEBUG + fprintf (stderr, "->debugger\n"); +#endif + + /* Inside this rather large if statement with simply pass on a complete + message to the ARMulator. The reason we need to pass messages on one + at a time is that we have to know whether the message is an OSOpReply + or an info(stop), so that we can take different action in those + cases. */ + + if (MYread_char (debugsock, &message)) + goto panic_error; + + switch (message) + { + case RDP_Start: + /* Open and/or Initialise */ +#ifdef DEBUG + fprintf (stderr, "RDP Open\n"); +#endif + if (MYread_char(debugsock, &c)) /* type */ + goto panic_error; + + if (MYread_word(debugsock, &x)) /* memory size */ + goto panic_error; + + MYwrite_char (mumkid[1], message); + MYwrite_char (mumkid[1], c); + MYwrite_word (mumkid[1], x); + if (c & 0x2) + { + passon (debugsock, mumkid[1], 1); /* speed */ + } + break; + + case RDP_End: + /* Close and Finalise */ +#ifdef DEBUG + fprintf(stderr, "RDP Close\n"); +#endif + MYwrite_char (mumkid[1], message); + break; + + case RDP_Read: + /* Read Memory Address */ +#ifdef DEBUG + fprintf (stderr, "RDP Read Memory\n"); +#endif + MYwrite_char (mumkid[1], message); + if (passon (debugsock, mumkid[1], 4)) + goto panic_error; /* address */ + if (MYread_word(debugsock, &nbytes)) + goto panic_error; /* nbytes */ + MYwrite_word (mumkid[1], nbytes); + break; + + case RDP_Write : + /* Write Memory Address */ +#ifdef DEBUG + fprintf (stderr, "RDP Write Memory\n"); +#endif + if (MYread_word (debugsock, &x)) + goto panic_error; /* address */ + + if (MYread_word (debugsock, &y)) + goto panic_error; /* nbytes */ + + MYwrite_char (mumkid[1], message); + MYwrite_word (mumkid[1], x); + MYwrite_word (mumkid[1], y); + passon (debugsock, mumkid[1], y); /* actual data */ + break; + + case RDP_CPUread: + /* Read CPU State */ +#ifdef DEBUG + fprintf (stderr, "RDP Read CPU\n"); +#endif + if (MYread_char(debugsock, &c)) + goto panic_error; /* mode */ + + if (MYread_word (debugsock, &mask)) + goto panic_error; /* mask */ + + MYwrite_char (mumkid[1], message); + MYwrite_char (mumkid[1], c); + MYwrite_word (mumkid[1], mask); + break; + + case RDP_CPUwrite : + /* Write CPU State */ +#ifdef DEBUG + fprintf (stderr, "RDP Write CPU\n"); +#endif + if (MYread_char (debugsock, &c)) + goto panic_error; /* mode */ + + if (MYread_word (debugsock, &x)) + goto panic_error; /* mask */ + + MYwrite_char (mumkid[1], message); + MYwrite_char (mumkid[1], c); + MYwrite_word (mumkid[1], x); + for (k = 1, j = 0; k != 0x80000000; k *= 2, j++) + if ((k & x) + && passon(debugsock, mumkid[1], 4)) + goto panic_error; + break; + + case RDP_CPread: + /* Read Co-Processor State */ +#ifdef DEBUG + fprintf (stderr, "RDP Read CP state\n"); +#endif + if (MYread_char (debugsock, &CPnum)) + goto panic_error; + + if (MYread_word (debugsock, &mask)) + goto panic_error; + + MYwrite_char (mumkid[1], message); + MYwrite_char (mumkid[1], CPnum); + MYwrite_word (mumkid[1], mask); + break; + + case RDP_CPwrite: + /* Write Co-Processor State */ +#ifdef DEBUG + fprintf(stderr, "RDP Write CP state\n"); +#endif + if (MYread_char (debugsock, &CPnum)) + goto panic_error; + + if (MYread_word (debugsock, &mask)) + goto panic_error; + + MYwrite_char (mumkid[1], message); + MYwrite_char (mumkid[1], c); + MYwrite_char (mumkid[1], x); + for (k = 1, j = 0; k != 0x80000000; k *= 2, j++) + if (k & x) + { + if ((c == 1 || c == 2) && k <= 128) + { + /* FP register = 12 bytes + 4 bytes format */ + if (passon(debugsock, mumkid[1], 16)) + goto panic_error; + } + else + { + /* Normal register = 4 bytes */ + if (passon(debugsock, mumkid[1], 4)) + goto panic_error; + } + } + break; + + case RDP_SetBreak: + /* Set Breakpoint */ +#ifdef DEBUG + fprintf (stderr, "RDP Set Breakpoint\n"); +#endif + if (MYread_word (debugsock, &x)) + goto panic_error; /* address */ + + if (MYread_char (debugsock, &c)) + goto panic_error; /* type */ + + MYwrite_char (mumkid[1], message); + MYwrite_word (mumkid[1], x); + MYwrite_char (mumkid[1], c); + if (((c & 0xf) >= 5) + && passon(debugsock, mumkid[1], 4)) + goto panic_error; /* bound */ + break; + + case RDP_ClearBreak: + /* Clear Breakpoint */ +#ifdef DEBUG + fprintf (stderr, "RDP Clear Breakpoint\n"); +#endif + MYwrite_char (mumkid[1], message); + if (passon (debugsock, mumkid[1], 4)) + goto panic_error; /* point */ + break; + + case RDP_SetWatch: + /* Set Watchpoint */ +#ifdef DEBUG + fprintf (stderr, "RDP Set Watchpoint\n"); +#endif + if (MYread_word (debugsock, &x)) + goto panic_error; /* address */ + + if (MYread_char(debugsock, &c)) + goto panic_error; /* type */ + + if (MYread_char (debugsock, &d)) + goto panic_error; /* datatype */ + + MYwrite_char (mumkid[1], message); + MYwrite_word (mumkid[1], x); + MYwrite_char (mumkid[1], c); + MYwrite_char (mumkid[1], d); + if (((c & 0xf) >= 5) + && passon(debugsock, mumkid[1], 4)) + goto panic_error; /* bound */ + break; + + case RDP_ClearWatch: + /* Clear Watchpoint */ +#ifdef DEBUG + fprintf (stderr, "RDP Clear Watchpoint\n"); +#endif + MYwrite_char (mumkid[1], message); + if (passon (debugsock, mumkid[1], 4)) + goto panic_error; /* point */ + break; + + case RDP_Execute: + /* Excecute */ +#ifdef DEBUG + fprintf (stderr, "RDP Execute\n"); +#endif + + /* LEAVE THIS ONE 'TIL LATER... */ + /* NEED TO WORK THINGS OUT */ + + /* NO ASCYNCHROUS RUNNING */ + + if (MYread_char(debugsock, &c)) + goto panic_error; /* return */ + + /* Remember incase bit 7 is set and we have to send back a word */ + exreturn = c; + + MYwrite_char(mumkid[1], message); + MYwrite_char(mumkid[1], c); + break; + + case RDP_Step: + /* Step */ +#ifdef DEBUG + fprintf (stderr, "RDP Step\n"); +#endif + + if (MYread_char(debugsock, &c)) + goto panic_error; /* return */ + + if (MYread_word(debugsock, &x)) + goto panic_error; /* ninstr */ + + MYwrite_char (mumkid[1], message); + MYwrite_char (mumkid[1], c); + MYwrite_word (mumkid[1], x); + break; + + case RDP_Info: + /* Info */ +#ifdef DEBUG + fprintf (stderr, "RDP Info\n"); +#endif + /* INFO TARGET, SET RDI LEVEL */ + if (MYread_word (debugsock, &messagetype)) + goto panic_error; /* info */ + + switch (messagetype) + { + case RDIInfo_Target: + MYwrite_char (mumkid[1], message); + MYwrite_word (mumkid[1], messagetype); + break; + + case RDISet_RDILevel: + MYwrite_char (mumkid[1], message); + MYwrite_word (mumkid[1], messagetype); + if (passon (debugsock, mumkid[1], 1)) + goto panic_error; /* argument */ + break; + + case RDISet_Cmdline: + /* Got to pass on a string argument */ + MYwrite_char (mumkid[1], message); + MYwrite_word (mumkid[1], messagetype); + do + { + if (MYread_char (debugsock, &c)) + goto panic_error; + + MYwrite_char (mumkid[1], c); + } while (c); + break; + + case RDISignal_Stop: + kill (child, SIGUSR1); + MYwrite_char (debugsock, RDP_Return); + MYwrite_char (debugsock, RDIError_UserInterrupt); + break; + + case RDIVector_Catch: + MYread_word (debugsock, &x); + MYwrite_char (mumkid[1], message); + MYwrite_word (mumkid[1], messagetype); + MYwrite_word (mumkid[1], x); + break; + + case RDIInfo_Step: + MYwrite_char (mumkid[1], message); + MYwrite_word (mumkid[1], messagetype); + break; + + case RDIInfo_Points: + MYwrite_char (mumkid[1], message); + MYwrite_word (mumkid[1], messagetype); + break; + + default: + fprintf (stderr, "Unrecognized RDIInfo request %d\n", + messagetype); + goto panic_error; + } + break; + + case RDP_OSOpReply: + /* OS Operation Reply */ +#ifdef DEBUG + fprintf (stderr, "RDP OS Reply\n"); +#endif + MYwrite_char (mumkid[1], message); + if (MYread_char (debugsock, &message)) + goto panic_error; + MYwrite_char (mumkid[1], message); + switch(message) + { + case 0: /* return value i.e. nothing else.*/ + break; + + case 1: /* returns a byte... */ + if (MYread_char(debugsock, &c)) + goto panic_error; + + MYwrite_char (mumkid[1], c); + break; + + case 2: /* returns a word... */ + if (MYread_word(debugsock, &x)) + goto panic_error; + + MYwrite_word (mumkid[1], x); + break; + } + break; + + case RDP_Reset: + /* Reset */ +#ifdef DEBUG + fprintf (stderr, "RDP Reset\n"); +#endif + MYwrite_char (mumkid[1], message); + break; + + default: + /* Hmm.. bad RDP operation */ + fprintf (stderr, "RDP Bad RDP request (%d)\n", message); + MYwrite_char (debugsock, RDP_Return); + MYwrite_char (debugsock, RDIError_UnimplementedMessage); + break; + } + } + + if (FD_ISSET (kidmum[0], &readfds)) + { +#ifdef DEBUG + fprintf (stderr, "->ARMulator\n"); +#endif + /* Anything we get from the ARMulator has to go to the debugger... */ + /* It is that simple! */ + + passon (kidmum[0], debugsock, 1); + } + } +} + diff --git a/sim/arm/run.c b/sim/arm/run.c new file mode 100644 index 0000000..3b911d2 --- /dev/null +++ b/sim/arm/run.c @@ -0,0 +1,155 @@ +/* run front end support for ARM + Copyright (C) 1996 Free Software Foundation, Inc. + +This file is part of ARM SIM + +GNU CC is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU CC is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU CC; see the file COPYING. If not, write to +the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ + + +/* Steve Chamberlain + sac@cygnus.com */ + +#include +#include +#include "bfd.h" +#include "sysdep.h" +#include "remote-sim.h" + +void usage(); +extern int optind; +extern char *optarg; + +int target_byte_order; + +int +main (ac, av) + int ac; + char **av; +{ + bfd *abfd; + bfd_vma start_address; + asection *s; + int i; + int verbose = 0; + int trace = 0; + char *name = ""; + + while ((i = getopt (ac, av, "m:p:s:tv")) != EOF) + switch (i) + { + case 'm': + sim_size (atoi (optarg)); + break; + case 'p': + sim_set_profile (atoi (optarg)); + break; + case 's': + sim_set_profile_size (atoi (optarg)); + break; + case 't': + trace = 1; + break; + case 'v': + verbose = 1; + break; + default: + usage(); + } + ac -= optind; + av += optind; + + if (ac != 1) + usage(); + + name = *av; + + if (verbose) + { + printf ("run %s\n", name); + } + abfd = bfd_openr (name, 0); + if (abfd) + { + if (bfd_check_format (abfd, bfd_object)) + { + + for (s = abfd->sections; s; s = s->next) + { + unsigned char *buffer = malloc (bfd_section_size (abfd, s)); + bfd_get_section_contents (abfd, + s, + buffer, + 0, + bfd_section_size (abfd, s)); + sim_write (s->vma, buffer, bfd_section_size (abfd, s)); + } + + start_address = bfd_get_start_address (abfd); + sim_create_inferior (start_address, NULL, NULL); + + target_byte_order = abfd->xvec->byteorder_big_p ? 4321 : 1234; + + if (trace) + { + int done = 0; + while (!done) + { + done = sim_trace (); + } + } + else + { + sim_resume (0, 0); + } + if (verbose) + sim_info (0); + + /* Assume we left through the exit system call, + in which case r5 has the exit code */ + { + unsigned char b[4]; + sim_fetch_register (5, b); + return b[3]; + } + + } + } + + return 1; +} + +void +usage() +{ + fprintf (stderr, "usage: run [-tv] program\n"); + exit (1); +} + + +/* Callbacks used by the simulator proper. */ + +void +printf_filtered (va_alist) + va_dcl +{ + va_list args; + char *format; + + va_start (args); + format = va_arg (args, char *); + + vfprintf (stdout, format, args); + va_end (args); +} -- 2.7.4