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drc: svp: fix cache sync (end ptr)

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This commit is contained in:
notaz 2013-07-30 01:10:26 +03:00
parent 570dde615d
commit 3b7088981e
1 changed files with 16 additions and 5 deletions
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21
pico/carthw/svp/compiler.c
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@ -1680,9 +1680,14 @@ static void emit_block_prologue(void)
* >0: direct (un)conditional jump
* <0: indirect jump
*/
static void emit_block_epilogue(int cycles, int cond, int pc, int end_pc)
static void *emit_block_epilogue(int cycles, int cond, int pc, int end_pc)
{
if (cycles > 0xff) { elprintf(EL_ANOMALY, "large cycle count: %i\n", cycles); cycles = 0xff; }
void *end_ptr = NULL;
if (cycles > 0xff) {
elprintf(EL_ANOMALY, "large cycle count: %i\n", cycles);
cycles = 0xff;
}
EOP_SUB_IMM(11,11,0,cycles); // sub r11, r11, #cycles
if (cond < 0 || (end_pc >= 0x400 && pc < 0x400)) {
@ -1697,6 +1702,7 @@ static void emit_block_epilogue(int cycles, int cond, int pc, int end_pc)
emith_jump(target);
else {
int ops = emith_jump(ssp_drc_next);
end_ptr = tcache_ptr;
// cause the next block to be emitted over jump instruction
tcache_ptr -= ops;
}
@ -1724,12 +1730,17 @@ static void emit_block_epilogue(int cycles, int cond, int pc, int end_pc)
emith_jump(ssp_drc_next);
#endif
}
if (end_ptr == NULL)
end_ptr = tcache_ptr;
return end_ptr;
}
void *ssp_translate_block(int pc)
{
unsigned int op, op1, imm, ccount = 0;
unsigned int *block_start;
unsigned int *block_start, *block_end;
int ret, end_cond = A_COND_AL, jump_pc = -1;
//printf("translate %04x -> %04x\n", pc<<1, (tcache_ptr-tcache)<<2);
@ -1771,7 +1782,7 @@ void *ssp_translate_block(int pc)
tr_flush_dirty_prs();
tr_flush_dirty_ST();
tr_flush_dirty_pmcrs();
emit_block_epilogue(ccount, end_cond, jump_pc, pc);
block_end = emit_block_epilogue(ccount, end_cond, jump_pc, pc);
if (tcache_ptr - (u32 *)tcache > DRC_TCACHE_SIZE/4) {
elprintf(EL_ANOMALY|EL_STATUS|EL_SVP, "tcache overflow!\n");
@ -1795,7 +1806,7 @@ void *ssp_translate_block(int pc)
#endif
#ifdef __arm__
cache_flush_d_inval_i(tcache, tcache_ptr);
cache_flush_d_inval_i(block_start, block_end);
#endif
return block_start;