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drc: fix regcache and invalidation issues

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This commit is contained in:
notaz 2013-07-21 04:15:39 +03:00
parent 6d7979571d
commit 6976a54726
1 changed files with 23 additions and 4 deletions
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27
cpu/sh2/compiler.c
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@ -1211,14 +1211,14 @@ static void emit_memhandler_write(int size, u32 pc)
if (reg_map_g2h[SHR_SR] != -1)
emith_ctx_write(reg_map_g2h[SHR_SR], SHR_SR * 4);
rcache_clean();
switch (size) {
case 0: // 8
// XXX: consider inlining sh2_drc_write8
rcache_clean();
emith_call(sh2_drc_write8);
break;
case 1: // 16
rcache_clean();
emith_call(sh2_drc_write16);
break;
case 2: // 32
@ -1411,6 +1411,9 @@ static void REGPARM(2) *sh2_translate(SH2 *sh2, int tcache_id)
memset(branch_target_ptr, 0, sizeof(branch_target_ptr[0]) * branch_target_count);
}
// clear stale state after compile errors
rcache_invalidate();
// -------------------------------------------------
// 3rd pass: actual compilation
pc = base_pc;
@ -2439,6 +2442,7 @@ static void REGPARM(2) *sh2_translate(SH2 *sh2, int tcache_id)
// obtain new PC
emit_memhandler_read_rr(SHR_PC, SHR_VBR, (op & 0xff) * 4, 2);
// indirect jump -> back to dispatcher
rcache_flush();
emith_jump(sh2_drc_dispatcher);
goto end_op;
case 0x0700: // MOVA @(disp,PC),R0 11000111dddddddd
@ -2602,8 +2606,10 @@ end_op:
if (cond != -1)
emith_jump_cond_patchable(cond, target);
else
else {
emith_jump_patchable(target);
rcache_invalidate();
}
drcf.pending_branch_direct = 0;
}
@ -2966,7 +2972,20 @@ static void sh2_smc_rm_block(u32 a, u16 *drc_ram_blk, int tcache_id, u32 shift,
entry = entry->next;
}
// clear entry points
// update range to not clear still alive blocks
for (entry = *blist; entry != NULL; entry = entry->next) {
block = entry->block;
if (block->addr > a) {
if (to > block->addr)
to = block->addr;
}
else {
if (from < block->end_addr)
from = block->end_addr;
}
}
// clear code marks
if (from < to) {
u16 *p = drc_ram_blk + ((from & mask) >> shift);
memset(p, 0, (to - from) >> (shift - 1));