--- /dev/null
+/* Copyright (C) 1991 Free Software Foundation, Inc.
+ Contributed by Joel Sherrill (jsherril@redstone-emh2.army.mil),
+ On-Line Applications Research Corporation.
+
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <ansidecl.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+/* This returns control to FORCEbug. */
+
+void DEFUN_VOID(Bsp_cleanup);
+
+/* The function `_exit' should take a status argument and simply
+ terminate program execution, using the low-order 8 bits of the
+ given integer as status. */
+
+__NORETURN void
+DEFUN(_exit, (status), int status)
+{
+ /* status is ignored */
+ Bsp_cleanup();
+}
+
+#ifdef HAVE_GNU_LD
+
+#include <gnu-stabs.h>
+
+stub_warning(_exit);
+
+#endif /* GNU stabs. */
--- /dev/null
+/* Copyright (C) 1994 Free Software Foundation, Inc.
+ Contributed by Joel Sherrill (jsherril@redstone-emh2.army.mil),
+ On-Line Applications Research Corporation.
+
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+/* This file assists the board independent startup code by
+ * loading the proper segment register values. The values
+ * loaded are dependent on the FORCEBUG.
+ *
+ * NOTE: No stack has been established when this routine
+ * is invoked. It returns by jumping back to the start code.
+ *
+ */
+
+/*
+ * FORCEBUG loads us into a virtual address space which
+ * really starts at PHYSICAL_ADDRESS_BASE.
+ *
+ */
+
+.set PHYSICAL_ADDRESS_BASE, 0x00002000
+
+/*
+ * At reset time, FORCEBUG normally has the segment selectors preloaded.
+ * If a human resets the instruction pointer, this will not have occurred.
+ * However, no guarantee can be made of the other registers if cs:ip was
+ * modified to restart the program. Because of this, the BSP reloads all
+ * segment registers (except cs) with the values they have following
+ * a reset.
+ */
+
+
+.set RESET_SS, 0x40 # initial value of stack segment register
+.set RESET_DS, 0x40 # initial value of data segment register
+.set RESET_ES, 0x40 # initial value of extra segment register
+.set RESET_FS, 0x40 # initial value of "f" segment register
+.set RESET_GS, 0x30 # initial value of "g" segment register
+
+
+#define LOAD_SEGMENTS(_value,_segreg) \
+ movw $_value##,%ax ; \
+ movw %ax,##_segreg
+
+
+ .global _load_segments
+
+ .global _establish_stack
+
+_load_segments:
+
+ LOAD_SEGMENTS( RESET_SS, %ss )
+ LOAD_SEGMENTS( RESET_DS, %ds )
+ LOAD_SEGMENTS( RESET_ES, %es )
+ LOAD_SEGMENTS( RESET_FS, %fs )
+ LOAD_SEGMENTS( RESET_GS, %gs )
+
+ jmp _establish_stack # return to the bsp entry code
+
+ .global _return_to_monitor
+_return_to_monitor:
+
+ movb $0,%al
+ int $0x20 # restart FORCEbug
+ jmp start # FORCEbug does not reset PC
+
+ .data
+
+ .global _Do_Load_IDT
+_Do_Load_IDT: .byte 1
+
+ .global _Do_Load_GDT
+_Do_Load_GDT: .byte 0
+
--- /dev/null
+# Copyright (C) 1993 Free Software Foundation, Inc.
+# Contributed by Joel Sherrill (jsherril@redstone-emh2.army.mil),
+# On-Line Applications Research Corporation.
+
+# The GNU C Library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Library General Public License
+# as published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+
+# The GNU C Library 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
+# Library General Public License for more details.
+
+# You should have received a copy of the GNU Library General Public
+# License along with the GNU C Library; see the file COPYING.LIB. If
+# not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+# Cambridge, MA 02139, USA.
+
+
+# The nindy960 support has only been tested on the following boards:
+#
+# + Cyclone CVME961 VMEbus single board computer.
--- /dev/null
+/* Copyright (C) 1991 Free Software Foundation, Inc.
+ Contributed by Joel Sherrill (jsherril@redstone-emh2.army.mil),
+ On-Line Applications Research Corporation.
+
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <ansidecl.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+/* The function `_exit' should take a status argument and simply
+ terminate program execution, using the low-order 8 bits of the
+ given integer as status. */
+
+/* This returns control to Nindy. */
+
+__NORETURN void
+DEFUN(_exit, (status), int status)
+{
+ /* status is ignored */
+
+ asm volatile( "mov 0,g0; \
+ fmark ; \
+ syncf ; \
+ .word 0xfeedface ; \
+ bx start" : : );
+ /* The constant 0xfeedface is a magic word for break which
+ * is defined by NINDY. The branch extended restarts the
+ * application if the user types "go".
+ */
+}
+
+
+#ifdef HAVE_GNU_LD
+
+#include <gnu-stabs.h>
+
+stub_warning(_exit);
+
+#endif /* GNU stabs. */
--- /dev/null
+# Copyright (C) 1993 Free Software Foundation, Inc.
+# Contributed by Joel Sherrill (jsherril@redstone-emh2.army.mil),
+# On-Line Applications Research Corporation.
+
+# The GNU C Library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Library General Public License
+# as published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+
+# The GNU C Library 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
+# Library General Public License for more details.
+
+# You should have received a copy of the GNU Library General Public
+# License along with the GNU C Library; see the file COPYING.LIB. If
+# not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+# Cambridge, MA 02139, USA.
+
+ifeq (bare,$(subdir))
+install-lib += mvme136.ld
+endif
projects / platform / upstream / glibc.git / commitdiff