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| author | notaz | 2011-07-31 23:50:19 +0300 |
|---|---|---|
| committer | notaz | 2011-08-01 23:32:21 +0300 |
| commit | f968d35dc0302f3fb7fba5a1bafb5feed1f758f6 (patch) | |
| tree | 0a9ff0e2abb86149d1deeb10c7192809455a636d /libpcsxcore/new_dynarec/linkage_arm.s | |
| parent | b17618c006c1a79ea0aa38c5e452a384f7f2bc95 (diff) | |
| download | pcsx_rearmed-f968d35dc0302f3fb7fba5a1bafb5feed1f758f6.tar.gz pcsx_rearmed-f968d35dc0302f3fb7fba5a1bafb5feed1f758f6.tar.bz2 pcsx_rearmed-f968d35dc0302f3fb7fba5a1bafb5feed1f758f6.zip | |
drc: fix page get code in linkage_arm.s
it did not match what was used elsewhere for PCSX,
causing rare crashes due to making bad links..
Also comment get_pointer, it's not obvious what it does.
Diffstat (limited to 'libpcsxcore/new_dynarec/linkage_arm.s')
| -rw-r--r-- | libpcsxcore/new_dynarec/linkage_arm.s | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/libpcsxcore/new_dynarec/linkage_arm.s b/libpcsxcore/new_dynarec/linkage_arm.s index 6107e27..b22d491 100644 --- a/libpcsxcore/new_dynarec/linkage_arm.s +++ b/libpcsxcore/new_dynarec/linkage_arm.s @@ -219,14 +219,16 @@ dynarec_local_end = memory_map + 4194304 dyna_linker: /* r0 = virtual target address */ /* r1 = instruction to patch */ - mov r12, r0 - mov r6, #4096 - mov r2, #0x80000 ldr r3, .jiptr + /* get_page */ + lsr r2, r0, #12 + mov r6, #4096 + bic r2, r2, #0xe0000 sub r6, r6, #1 + cmp r2, #0x1000 ldr r7, [r1] - eor r2, r2, r12, lsr #12 - and r6, r6, r12, lsr #12 + biclt r2, #0x0e00 + and r6, r6, r2 cmp r2, #2048 add r12, r7, #2 orrcs r2, r6, #2048 @@ -337,14 +339,16 @@ exec_pagefault: dyna_linker_ds: /* r0 = virtual target address */ /* r1 = instruction to patch */ - mov r12, r0 - mov r6, #4096 - mov r2, #0x80000 ldr r3, .jiptr + /* get_page */ + lsr r2, r0, #12 + mov r6, #4096 + bic r2, r2, #0xe0000 sub r6, r6, #1 + cmp r2, #0x1000 ldr r7, [r1] - eor r2, r2, r12, lsr #12 - and r6, r6, r12, lsr #12 + biclt r2, #0x0e00 + and r6, r6, r2 cmp r2, #2048 add r12, r7, #2 orrcs r2, r6, #2048 |