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| author | spicyjpeg <thatspicyjpeg@gmail.com> | 2022-12-18 16:30:02 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-12-18 16:30:02 +0100 |
| commit | b12b716a9e54c4f1892795a136d6ffeb088ff001 (patch) | |
| tree | 5888e4a77b207f24ccd9ad148d1c74e9c33400e9 /libpsn00b/psxapi/_syscalls.s | |
| parent | 77306e187ef1a7ad5d3508ae9acb38edc5b68255 (diff) | |
| parent | a3359c0e7d85bf4752cda3b00892ecd5ef691077 (diff) | |
| download | psn00bsdk-b12b716a9e54c4f1892795a136d6ffeb088ff001.tar.gz | |
Merge pull request #68 from spicyjpeg/bugfix
Bugfixes, psxcd rewrite, psxgpu and CMake tweaks (v0.22)
Diffstat (limited to 'libpsn00b/psxapi/_syscalls.s')
| -rw-r--r-- | libpsn00b/psxapi/_syscalls.s | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/libpsn00b/psxapi/_syscalls.s b/libpsn00b/psxapi/_syscalls.s index 24864f3..6eaed72 100644 --- a/libpsn00b/psxapi/_syscalls.s +++ b/libpsn00b/psxapi/_syscalls.s @@ -27,20 +27,21 @@ ExitCriticalSection: .global SwEnterCriticalSection .type SwEnterCriticalSection, @function SwEnterCriticalSection: - mfc0 $a0, $12 # cop0r12 &= ~0x00000401 - li $a1, -1026 - and $a0, $a1 - mtc0 $a0, $12 - nop + mfc0 $a0, $12 # cop0r12 &= ~0x401 + li $a1, -1026 + and $a1, $a0 + mtc0 $a1, $12 + andi $a0, 0x0401 # return ((cop0r12_prev & 0x401) == 0x401) + sltiu $v0, $a0, 0x0401 - jr $ra - nop + jr $ra + xori $v0, 1 .section .text.SwExitCriticalSection .global SwExitCriticalSection .type SwExitCriticalSection, @function SwExitCriticalSection: - mfc0 $a0, $12 # cop0r12 |= 0x00000401 + mfc0 $a0, $12 # cop0r12 |= 0x401 nop ori $a0, 0x0401 mtc0 $a0, $12 |