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| author | Thomas Doerfler <Thomas.Doerfler@embedded-brains.de> | 2009-07-17 15:10:27 +0000 |
|---|---|---|
| committer | Thomas Doerfler <Thomas.Doerfler@embedded-brains.de> | 2009-07-17 15:10:27 +0000 |
| commit | 72f6cb06dfbda8c7194050976e3a658c4da7112b (patch) | |
| tree | 80dbfcf26d4155373c9a58264afd17b2d83b74d9 /c/src/lib/libbsp/arm/gba/startup/cpu_asm.S | |
| parent | Update. (diff) | |
| download | rtems-72f6cb06dfbda8c7194050976e3a658c4da7112b.tar.bz2 | |
remove obsolete files
Diffstat (limited to 'c/src/lib/libbsp/arm/gba/startup/cpu_asm.S')
| -rw-r--r-- | c/src/lib/libbsp/arm/gba/startup/cpu_asm.S | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/c/src/lib/libbsp/arm/gba/startup/cpu_asm.S b/c/src/lib/libbsp/arm/gba/startup/cpu_asm.S deleted file mode 100644 index d4ea836960..0000000000 --- a/c/src/lib/libbsp/arm/gba/startup/cpu_asm.S +++ /dev/null @@ -1,86 +0,0 @@ -/** - * @file cpu_asm.S - * - * This file contains the implementation of exception handlers. - */ -/* - * RTEMS GBA BSP - * - * Copyright (c) 2002 by Advent Networks, Inc. - * Jay Monkman <jmonkman@adventnetworks.com> - * - * COPYRIGHT (c) 2000 Canon Research Centre France SA. - * Emmanuel Raguet, mailto:raguet@crf.canon.fr - * - * Copyright (c) 2004 - * Markku Puro <markku.puro@kopteri.net> - * - * The license and distribution terms for this file may be - * found in found in the file LICENSE in this distribution or at - * http://www.rtems.com/license/LICENSE. - * - * $Id$ - */ - -#define __asm__ -#include <rtems/asm.h> -#include <rtems/score/cpu_asm.h> -#include <asm_macros.h> -/* @cond INCLUDE_ASM */ - -/** - * This routine performs a normal non-FP context. - * function void _CPU_Context_switch( run_context, heir_context ) - * R0 = run_context R1 = heir_context - * - * This function copies the current registers to where r0 points, then - * restores the ones from where r1 points. - * - * Using the ldm/stm opcodes save 2-3 us on 100 MHz ARM9TDMI with - * a 16 bit data bus. - * - */ - .align -/* .section .iwram */ -PUBLIC_ARM_FUNCTION(_CPU_Context_switch) -/* Start saving context */ - mrs r2, cpsr - stmia r0, {r2, r4, r5, r6, r7, r8, r9, r10, r11, r13, r14} -/* Start restoring context */ -_restore: - ldmia r1, {r2, r4, r5, r6, r7, r8, r9, r10, r11, r13, r14} - msr cpsr, r2 - mov pc, lr -LABEL_END(_CPU_Context_switch) - -/** - * This function copies the restores the registers from where r0 points. - * function void _CPU_Context_restore( new_context ) - * It must match _CPU_Context_switch() - * - */ -PUBLIC_ARM_FUNCTION(_CPU_Context_restore) - mov r1, r0 - b _restore -LABEL_END(_CPU_Context_restore) - -/** - * function _Exception_Handler_Undef_Swi - * Can't use exception vectors in GBA - * @todo _Exception_Handler_Undef_Swi: Unused handler needed by ../score/cpu_asm.S - * - */ - .global _Exception_Handler_Undef_Swi -_Exception_Handler_Undef_Swi: - mov pc, lr - -/** - * function _Exception_Handler_Abort - * Can't use exception vectors in GBA - * @todo _Exception_Handler_Abort: Unused handler needed by ../score/cpu_asm.S - * - */ - .global _Exception_Handler_Abort -_Exception_Handler_Abort: - mov pc, lr -/* @endcond */ |