From 13ccace0ca8640550e0a9ac225aeca43e564237b Mon Sep 17 00:00:00 2001 From: Doug Evans Date: Mon, 3 Aug 1998 19:58:36 +0000 Subject: [PATCH] * Makefile.in (INCLUDE_DEPS): Add include/opcode/cgen.h. * sim-if.c (sim_open): Open opcode table. (sim_close): Close it. --- sim/m32r/ChangeLog | 15 +++++++ sim/m32r/Makefile.in | 19 +++++--- sim/m32r/sim-if.c | 124 ++++++--------------------------------------------- 3 files changed, 41 insertions(+), 117 deletions(-) diff --git a/sim/m32r/ChangeLog b/sim/m32r/ChangeLog index 545393c..e5dd022 100644 --- a/sim/m32r/ChangeLog +++ b/sim/m32r/ChangeLog @@ -1,3 +1,18 @@ +Mon Aug 3 12:59:17 1998 Doug Evans + + * Makefile.in (INCLUDE_DEPS): Add include/opcode/cgen.h. + + * sim-if.c (sim_open): Open opcode table. + (sim_close): Close it. + +start-sanitize-m32rx +Tue Jul 28 13:06:19 1998 Doug Evans + + Add support for new versions of mulwhi,mulwlo,macwhi,macwlo that + accept an accumulator choice. + * cpux.c,decodex.c,decodex.h,modelx.c,readx.c,semx.c: Regenerate. + +end-sanitize-m32rx Fri Jul 24 13:00:29 1998 Doug Evans * m32r.c: Include cgen-mem.h. diff --git a/sim/m32r/Makefile.in b/sim/m32r/Makefile.in index ace32f9..0dad156 100644 --- a/sim/m32r/Makefile.in +++ b/sim/m32r/Makefile.in @@ -73,7 +73,8 @@ MAIN_INCLUDE_DEPS = \ $(srcdir)/../common/sim-trace.h \ $(srcdir)/../common/sim-profile.h \ tconfig.h -INCLUDE_DEPS = $(MAIN_INCLUDE_DEPS) $(SIM_EXTRA_DEPS) cpu-sim.h +INCLUDE_DEPS = $(MAIN_INCLUDE_DEPS) $(SIM_EXTRA_DEPS) cpu-sim.h \ + $(srcdir)/../../include/opcode/cgen.h OPS_INCLUDE_DEPS = \ $(srcdir)/../common/cgen-mem.h \ $(srcdir)/../common/cgen-ops.h @@ -138,22 +139,24 @@ m32r-clean: # cgen support, enable with --enable-cgen-maint CGEN_MAINT = ; @true # The following line is commented in or out depending upon --enable-cgen-maint. -@cgen_maint@CGEN_MAINT = +@CGEN_MAINT@CGEN_MAINT = stamp-arch: $(CGEN_MAIN_SCM) $(srccgen)/m32r.cpu - $(MAKE) cgen-arch + $(MAKE) cgen-arch $(CGEN_FLAGS_TO_PASS) touch stamp-arch arch.h arch.c cpuall.h: $(CGEN_MAINT) stamp-arch @true stamp-cpu: $(CGEN_MAIN_SCM) $(CGEN_CPU_SCM) $(srccgen)/m32r.cpu - $(MAKE) cgen-cpu cpu=m32r mach=m32r SUFFIX= FLAGS="with-scache,with-profile fn" EXTRAFILES="$(CGEN_CPU_EXTR) $(CGEN_CPU_SEM) $(CGEN_CPU_SEMSW)" + $(MAKE) cgen-cpu $(CGEN_FLAGS_TO_PASS) \ + cpu=m32r mach=m32r SUFFIX= FLAGS="with-scache,with-profile fn" EXTRAFILES="$(CGEN_CPU_EXTR) $(CGEN_CPU_SEM) $(CGEN_CPU_SEMSW)" touch stamp-cpu cpu.h extract.c sem.c sem-switch.c model.c: $(CGEN_MAINT) stamp-cpu @true stamp-decode: $(CGEN_MAIN_SCM) $(CGEN_DECODE_SCM) $(srccgen)/m32r.cpu - $(MAKE) cgen-decode cpu=m32r mach=m32r SUFFIX= FLAGS="with-scache,with-profile fn" + $(MAKE) cgen-decode $(CGEN_FLAGS_TO_PASS) \ + cpu=m32r mach=m32r SUFFIX= FLAGS="with-scache,with-profile fn" touch stamp-decode decode.h decode.c: $(CGEN_MAINT) stamp-decode @true @@ -161,13 +164,15 @@ decode.h decode.c: $(CGEN_MAINT) stamp-decode # start-sanitize-m32rx stamp-xcpu: $(CGEN_MAIN_SCM) $(CGEN_CPU_SCM) $(srccgen)/m32r.cpu - $(MAKE) cgen-cpu cpu=m32rx mach=m32rx SUFFIX=x FLAGS="with-profile fn" EXTRAFILES="$(CGEN_CPU_READ) $(CGEN_CPU_SEM)" + $(MAKE) cgen-cpu $(CGEN_FLAGS_TO_PASS) \ + cpu=m32rx mach=m32rx SUFFIX=x FLAGS="with-profile fn" EXTRAFILES="$(CGEN_CPU_READ) $(CGEN_CPU_SEM)" touch stamp-xcpu cpux.h readx.c semx.c modelx.c: $(CGEN_MAINT) stamp-xcpu @true stamp-xdecode: $(CGEN_MAIN_SCM) $(CGEN_DECODE_SCM) $(srccgen)/m32r.cpu - $(MAKE) cgen-decode cpu=m32rx mach=m32rx SUFFIX=x + $(MAKE) cgen-decode $(CGEN_FLAGS_TO_PASS) \ + cpu=m32rx mach=m32rx SUFFIX=x touch stamp-xdecode decodex.h decodex.c: $(CGEN_MAINT) stamp-xdecode @true diff --git a/sim/m32r/sim-if.c b/sim/m32r/sim-if.c index 36c1644..adafa23 100644 --- a/sim/m32r/sim-if.c +++ b/sim/m32r/sim-if.c @@ -23,7 +23,6 @@ with this program; if not, write to the Free Software Foundation, Inc., #include "sim-options.h" #include "libiberty.h" #include "bfd.h" -#include "targ-vals.h" static void free_state (SIM_DESC); static void print_m32r_misc_cpu (SIM_CPU *cpu, int verbose); @@ -87,7 +86,9 @@ sim_open (kind, callback, abfd, argv) /* Allocate core managed memory */ sim_do_commandf (sd, "memory region 0,0x%lx", M32R_DEFAULT_MEM_SIZE); - /* Allocate a handler for the MSPR register. */ + /* Allocate a handler for the control registers and other devices. + All are allocated in one chunk to keep things from being + unnecessarily complicated. */ sim_core_attach (sd, NULL, 0 /*level*/, access_read_write, @@ -174,6 +175,11 @@ sim_open (kind, callback, abfd, argv) /* Initialize various cgen things not done by common framework. */ cgen_init (sd); + /* Open a copy of the opcode table. */ + STATE_OPCODE_TABLE (sd) = m32r_cgen_opcode_open (STATE_ARCHITECTURE (sd)->mach, + CGEN_ENDIAN_BIG); + m32r_cgen_init_dis (STATE_OPCODE_TABLE (sd)); + { int c; @@ -200,6 +206,7 @@ sim_close (sd, quitting) SIM_DESC sd; int quitting; { + m32r_cgen_opcode_close (STATE_OPCODE_TABLE (sd)); sim_module_uninstall (sd); } @@ -309,6 +316,11 @@ print_m32r_misc_cpu (SIM_CPU *cpu, int verbose) PROFILE_LABEL_WIDTH, "Fill nops:", sim_add_commas (buf, sizeof (buf), CPU_M32R_MISC_PROFILE (cpu).fillnop_count)); + if (STATE_ARCHITECTURE (sd)->mach == bfd_mach_m32rx) + sim_io_printf (sd, " %-*s %s\n\n", + PROFILE_LABEL_WIDTH, "Parallel insns:", + sim_add_commas (buf, sizeof (buf), + CPU_M32R_MISC_PROFILE (cpu).parallel_count)); } } @@ -349,17 +361,6 @@ sim_do_command (sd, cmd) sim_io_eprintf (sd, "Unknown command `%s'\n", cmd); } -/* The semantic code invokes this for illegal (unrecognized) instructions. */ - -void -sim_engine_illegal_insn (current_cpu, pc) - SIM_CPU *current_cpu; - PCADDR pc; -{ - sim_engine_halt (CPU_STATE (current_cpu), current_cpu, NULL, pc, - sim_stopped, SIM_SIGILL); -} - /* Utility fns to access registers, without knowing the current mach. */ SI @@ -399,100 +400,3 @@ h_gr_set (SIM_CPU *current_cpu, UINT regno, SI newval) abort (); } } - -/* Read/write functions for system call interface. */ - -static int -syscall_read_mem (host_callback *cb, struct cb_syscall *sc, - unsigned long taddr, char *buf, int bytes) -{ - SIM_DESC sd = (SIM_DESC) sc->p1; - SIM_CPU *cpu = (SIM_CPU *) sc->p2; - - return sim_core_read_buffer (sd, cpu, read_map, buf, taddr, bytes); -} - -static int -syscall_write_mem (host_callback *cb, struct cb_syscall *sc, - unsigned long taddr, const char *buf, int bytes) -{ - SIM_DESC sd = (SIM_DESC) sc->p1; - SIM_CPU *cpu = (SIM_CPU *) sc->p2; - - return sim_core_write_buffer (sd, cpu, write_map, buf, taddr, bytes); -} - -/* Trap support. - The result is the pc address to continue at. */ - -USI -do_trap (SIM_CPU *current_cpu, int num) -{ - SIM_DESC sd = CPU_STATE (current_cpu); - host_callback *cb = STATE_CALLBACK (sd); - -#ifdef SIM_HAVE_BREAKPOINTS - /* Check for breakpoints "owned" by the simulator first, regardless - of --environment. */ - if (num == 1) - { - /* First try sim-break.c. If it's a breakpoint the simulator "owns" - it doesn't return. Otherwise it returns and let's us try. */ - sim_handle_breakpoint (sd, current_cpu, sim_pc_get (current_cpu)); - /* Fall through. */ - } -#endif - - if (STATE_ENVIRONMENT (sd) == OPERATING_ENVIRONMENT) - { - /* The new pc is the trap vector entry. - We assume there's a branch there to some handler. */ - USI new_pc = num * 4; - return new_pc; - } - - switch (num) - { - case 0 : - /* Trap 0 is used for system calls. */ - { - CB_SYSCALL s; - - CB_SYSCALL_INIT (&s); - s.func = h_gr_get (current_cpu, 0); - s.arg1 = h_gr_get (current_cpu, 1); - s.arg2 = h_gr_get (current_cpu, 2); - s.arg3 = h_gr_get (current_cpu, 3); - - if (s.func == TARGET_SYS_exit) - { - sim_engine_halt (sd, current_cpu, NULL, sim_pc_get (current_cpu), - sim_exited, s.arg1); - } - - s.p1 = (PTR) sd; - s.p2 = (PTR) current_cpu; - s.read_mem = syscall_read_mem; - s.write_mem = syscall_write_mem; - cb_syscall (STATE_CALLBACK (sd), &s); - h_gr_set (current_cpu, 2, s.errcode); - h_gr_set (current_cpu, 0, s.result); - h_gr_set (current_cpu, 1, s.result2); - break; - } - - case 1: /* breakpoint trap */ - sim_engine_halt (sd, current_cpu, NULL, NULL_CIA, - sim_stopped, SIM_SIGTRAP); - break; - - default : - { - USI new_pc = num * 4; - return new_pc; - } - } - - /* Fake an "rte" insn. */ - return (sim_pc_get (current_cpu) & -4) + 4; -} -- 2.7.4