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Diffstat (limited to '')
| -rw-r--r-- | c/src/librdbg/src/powerpc/rdbg_cpu_asm.S | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/c/src/librdbg/src/powerpc/rdbg_cpu_asm.S b/c/src/librdbg/src/powerpc/rdbg_cpu_asm.S deleted file mode 100644 index 4ffe49b64d..0000000000 --- a/c/src/librdbg/src/powerpc/rdbg_cpu_asm.S +++ /dev/null @@ -1,83 +0,0 @@ -/* cpu_asm.s - * - * This file contains all assembly code for the Intel i386 implementation - * of RDBG. - * - * $Id$ - * - */ - -#include <rtems/asm.h> -#include <rtems/score/cpu.h> -#include <libcpu/io.h> - - BEGIN_CODE - -/* - * void copyback_data_cache_and_invalidate_instr_cache(addr, size) - * - * This routine performs a copy of the data cache - * and invalidate the instruction cache - */ - - .p2align 5 - PUBLIC_VAR (copyback_data_cache_and_invalidate_instr_cache) - -SYM (copyback_data_cache_and_invalidate_instr_cache): - /* make sure the data changed is in the cache */ - sync - /* r3 address to handle, r4 length in bytes */ - addi r6, r0, PPC_CACHE_ALIGNMENT - /* r5 = last address to handle */ - add r5,r3,r4 - /* r3 = cache_align(r3, PPC_CACHE_ALIGNMENT) */ - subi r0,r6,1 - andc r3,r3,r0 - /* R4 = R3 = copy of first address */ - mr r4,r3 - /* - * Copyback data cache - */ -1: cmplw r4,r5 /* r4 >= r5 then done */ - dcbst 0,r4 /* flush (data cache bloc store) */ - add r4,r4,r6 /* r4 = next cache line addr */ - blt 1b /* end r4 >= r5 then done */ - sync /* Wait for all dcbst to complete on bus */ - /* - * invalidate instruction cache - */ - /* R4 = fisrt address */ - mr r4,r3 -2: cmplw r4,r5 /* r4 >= r5 then done */ - icbi 0,r4 /* invalidate (instruction cache bloc invalidate) */ - add r4,r4,r6 /* r4 = next cache line addr */ - blt 2b /* end r4 >= r5 then done */ - sync /* Wait for all icbi to complete on bus */ - isync - blr - - -/* - * void enterRdbg(void) - * - * This function perform a call to the exception SYSTEM call - * It is used : - * 1 - in the user code, to simulate a Breakpoint. - * (with justSaveContext = 0) - * 2 - in the RDBG code, to push a ctx in the list. - * (with justSaveContext = 1) - * - * In most of case, it will be use as described in 1. - * The 2nd possibility will be used by RDBG to obtain - * its own ctx - */ - - PUBLIC_VAR (enterRdbg) - -SYM (enterRdbg): - sc - blr - -END_CODE - -END |