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| author | notaz | 2010-12-23 19:18:36 +0200 |
|---|---|---|
| committer | notaz | 2010-12-23 19:18:36 +0200 |
| commit | a06c1d6e156b90ce9bfa18664256dfe8f815857e (patch) | |
| tree | 0c4abe39b1096ec1366d15e93af8beddcb185095 /libpcsxcore/new_dynarec | |
| parent | c62b43c9f32d79116225247acf09ccd30d4d658b (diff) | |
| download | pcsx_rearmed-a06c1d6e156b90ce9bfa18664256dfe8f815857e.tar.gz pcsx_rearmed-a06c1d6e156b90ce9bfa18664256dfe8f815857e.tar.bz2 pcsx_rearmed-a06c1d6e156b90ce9bfa18664256dfe8f815857e.zip | |
drc: map bios and fix dummy reads
Diffstat (limited to 'libpcsxcore/new_dynarec')
| -rw-r--r-- | libpcsxcore/new_dynarec/linkage_arm.s | 22 | ||||
| -rw-r--r-- | libpcsxcore/new_dynarec/pcsxmem.c | 12 |
2 files changed, 33 insertions, 1 deletions
diff --git a/libpcsxcore/new_dynarec/linkage_arm.s b/libpcsxcore/new_dynarec/linkage_arm.s index 906c466..8f1a2b2 100644 --- a/libpcsxcore/new_dynarec/linkage_arm.s +++ b/libpcsxcore/new_dynarec/linkage_arm.s @@ -803,6 +803,9 @@ new_dyna_start: .global ari_write_ram_mirror8 .global ari_write_ram_mirror16 .global ari_write_ram_mirror32 +.global ari_read_bios8 +.global ari_read_bios16 +.global ari_read_bios32 .global ari_read_io8 .global ari_read_io16 .global ari_read_io32 @@ -893,6 +896,25 @@ ari_write_ram_mirror32: ari_write_ram_mirror (3<<11), word, str +.macro ari_read_bios_mirror bic_const op + ldr r0, [fp, #address-dynarec_local] + orr r0, r0, #0x80000000 + bic r0, r0, #(0x20000000|\bic_const) @ map to 0x9fc... + \op r0, [r0] + str r0, [fp, #readmem_dword-dynarec_local] + mov pc, lr +.endm + +ari_read_bios8: + ari_read_bios_mirror 0, ldrb + +ari_read_bios16: + ari_read_bios_mirror 1, ldrh + +ari_read_bios32: + ari_read_bios_mirror 3, ldr + + @ for testing .macro ari_read_io_old tab_shift str lr, [sp, #-8]! @ EABI alignment.. diff --git a/libpcsxcore/new_dynarec/pcsxmem.c b/libpcsxcore/new_dynarec/pcsxmem.c index dc3ce69..a323c18 100644 --- a/libpcsxcore/new_dynarec/pcsxmem.c +++ b/libpcsxcore/new_dynarec/pcsxmem.c @@ -72,6 +72,9 @@ extern void ari_write_ram32(); extern void ari_write_ram_mirror8(); extern void ari_write_ram_mirror16(); extern void ari_write_ram_mirror32(); +extern void ari_read_bios8(); +extern void ari_read_bios16(); +extern void ari_read_bios32(); extern void ari_read_io8(); extern void ari_read_io16(); extern void ari_read_io32(); @@ -295,7 +298,7 @@ void new_dyna_pcsx_mem_init(void) writemem[i] = write_mem32; #if 1 readmemb[i] = readmemh[i] = readmem[i] = read_mem_dummy; - readmemb[i] = readmemh[i] = readmem[i] = write_mem_dummy; + writememb[i] = writememh[i] = writemem[i] = write_mem_dummy; #endif } @@ -320,6 +323,13 @@ void new_dyna_pcsx_mem_init(void) writemem[i] = ari_write_ram32; } + // BIOS and it's mirrors + for (i = 0x1fc0; i < 0x1fc8; i++) { + readmemb[i] = readmemb[0x8000|i] = readmemb[0xa000|i] = ari_read_bios8; + readmemh[i] = readmemh[0x8000|i] = readmemh[0xa000|i] = ari_read_bios16; + readmem[i] = readmem[0x8000|i] = readmem[0xa000|i] = ari_read_bios32; + } + // I/O readmemb[0x1f80] = ari_read_io8; readmemh[0x1f80] = ari_read_io16; |