1b69cb3ac5
Merge from newlib-csl-20060320-branch:
2006-12-15 Daniel Jacobowitz <dan@codesourcery.com>
* m68k/fido-crt0.S (_vector_table): Reference
_PrivilegeViolationHandler.
2006-12-15 Daniel Jacobowitz <dan@codesourcery.com>
* m68k/fido-crt0.S (_start): Set %vbr for context 0 in
RAM configs.
* m68k/fido.sc: Clean up formatting. Add comments. Move
stack and heap end to SDRAM for SRAM and SDRAM configurations.
Put RedBoot application text in SRAM.
2006-12-13 Nathan Sidwell <nathan@codesourcery.com>
* m68k/Makefile (install_cf): Don't loop over files here. Only
install sources for the default multilib.
(install_fido): Likewise.
(install_io): Install bsps in one go.
2006-12-01 Nathan Sidwell <nathan@codesourcery.com>
Kazu Hirata <kazu@codesourcery.com>
* configure.in: Recognize fido-*-*.
* configure: Regenerate.
* m68k/Makefile.in (CF_ISRS): Use addprefix.
(FIDO_CRT0, FIDO_BSP, FIDO_OBJS, FIDO_HANDLERS,
FIDO_UNHOSTED_SCRIPTS, FIDO_HOSTED_SCRIPTS, FIDO_SCRIPTS,
FIDO_SOURCES, all_fido, fido-%-crt0.o, fido-rom.ld,
fido-rom-hosted.ld, fido-sram.ld, fido-sram-hosted.ld,
fido-sdram.ld, fido-sdram-hosted.ld, fido-redboot.ld,
install_fido): New.
* m68k/asm.h (mbb): New.
* m68k/configure.in (DO): Check for __mfido__.
* m68k/configure: Regenerate.
* m68k/fido-_exit.c, m68k/fido-crt0.S, m68k/fido-handler.c,
m68k/fido-hosted.S, m68k/fido-sbrk.c, m68k/fido.h,
m68k/fido.sc, m68k/fido_profiling.h: New.
36 lines
1.1 KiB
ArmAsm
36 lines
1.1 KiB
ArmAsm
/*
|
|
* fido-hosted.S --
|
|
*
|
|
* Copyright (c) 2006 CodeSourcery Inc
|
|
*
|
|
* The authors hereby grant permission to use, copy, modify, distribute,
|
|
* and license this software and its documentation for any purpose, provided
|
|
* that existing copyright notices are retained in all copies and that this
|
|
* notice is included verbatim in any distributions. No written agreement,
|
|
* license, or royalty fee is required for any of the authorized uses.
|
|
* Modifications to this software may be copyrighted by their authors
|
|
* and need not follow the licensing terms described here, provided that
|
|
* the new terms are clearly indicated on the first page of each file where
|
|
* they apply.
|
|
*/
|
|
|
|
/* Semihosting function. The debugger intercepts the halt, and
|
|
determines that it is followed by the sentinel pattern. */
|
|
|
|
.globl __hosted
|
|
__hosted:
|
|
linkw %fp,#0
|
|
movel %fp@(8),%d0
|
|
movel %fp@(12),%d1
|
|
.align 4
|
|
nop
|
|
bkpt #0
|
|
|
|
/* This sentinel instruction value must be immediately after
|
|
the bkpt instruction. The debugger will adjust the pc, so
|
|
that it is never executed. This instruction is
|
|
'movec %sp,0'. */
|
|
.long 0x4e7bf000
|
|
unlk %fp
|
|
rts
|