diff options
Diffstat (limited to 'src/Dolphin/PPCArch.c')
| -rw-r--r-- | src/Dolphin/PPCArch.c | 563 |
1 files changed, 563 insertions, 0 deletions
diff --git a/src/Dolphin/PPCArch.c b/src/Dolphin/PPCArch.c new file mode 100644 index 0000000..173c685 --- /dev/null +++ b/src/Dolphin/PPCArch.c @@ -0,0 +1,563 @@ +#include "types.h" +#include "asm_types.h" +// clang-format off + +union FpscrUnion +{ + f64 f; + struct + { + u32 fpscr_pad; + u32 fpscr; + } u; +}; + +#define HID0_SPD 0x00000200 // Speculative cache access enable (0 enable) + +void PPCMthid0 ( u32 newHID0 ); + +/* + * --INFO-- + * Address: 8036F7D4 + * Size: 000008 + */ +asm u32 PPCMfmsr (void) +{ + nofralloc + mfmsr r3 + blr +} + +/* + * --INFO-- + * Address: 8036F7DC + * Size: 000008 + */ +asm void PPCMtmsr (register u32 newMSR) +{ + nofralloc + mtmsr newMSR + blr +} + +/* + * --INFO-- + * Address: ........ + * Size: 00000C + */ +void PPCOrMsr(void) +{ + // UNUSED FUNCTION +} + +/* + * --INFO-- + * Address: ........ + * Size: 00000C + */ +void PPCAndMsr(void) +{ + // UNUSED FUNCTION +} + +/* + * --INFO-- + * Address: ........ + * Size: 00000C + */ +void PPCAndCMsr(void) +{ + // UNUSED FUNCTION +} + +/* + * --INFO-- + * Address: 8036F7E4 + * Size: 000008 + */ +asm u32 PPCMfhid0 (void) +{ + nofralloc + mfspr r3, HID0 + blr +} + +/* + * --INFO-- + * Address: 8036F7EC + * Size: 000008 + */ +asm void PPCMthid0 (register u32 newHID0) +{ + nofralloc + mtspr HID0, newHID0 + blr +} + +/* + * --INFO-- + * Address: ........ + * Size: 000008 + */ +void PPCMfhid1(void) +{ + // UNUSED FUNCTION +} + +/* + * --INFO-- + * Address: 8036F7F4 + * Size: 000008 + */ +asm u32 PPCMfl2cr (void) +{ + nofralloc + mfspr r3, L2CR + blr +} + +/* + * --INFO-- + * Address: 8036F7FC + * Size: 000008 + */ +asm void PPCMtl2cr (register u32 newL2cr) +{ + nofralloc + mtspr L2CR, newL2cr + blr +} + +/* + * --INFO-- + * Address: 8036F804 + * Size: 000008 + */ +__declspec ( weak ) asm void PPCMtdec ( register u32 newDec ) +{ + nofralloc + mtdec newDec + blr +} + +/* + * --INFO-- + * Address: ........ + * Size: 000008 + */ +void PPCMfdec(void) +{ + // UNUSED FUNCTION +} + +/* + * --INFO-- + * Address: 8036F80C + * Size: 000008 + */ +asm void PPCSync (void) +{ + nofralloc + sc + blr +} + +/* + * --INFO-- + * Address: ........ + * Size: 000034 + */ +asm void PPCEieio(void) { + nofralloc + mfmsr r5 + rlwinm r6, r5, 0, 0x11, 0xf + mtmsr r6 + mfspr r3, hid0 + ori r4, r3, 8 + mtspr hid0, r4 + isync + eieio + isync + + mtspr hid0, r3 + mtmsr r5 + isync + + blr +} + +/* + * --INFO-- + * Address: 8036F814 + * Size: 000014 + */ +__declspec ( weak ) asm void PPCHalt (void) //spins infinitely +{ + nofralloc + + sync + +_spin: + nop + li r3, 0 + nop + b _spin + + // NEVER REACHED +} + +/* + * --INFO-- + * Address: ........ + * Size: 000008 + */ +asm void PPCMfmmcr0(void) +{ + nofralloc + mfspr r3, MMCR0 + blr +} + +/* + * --INFO-- + * Address: ........ + * Size: 000008 + * UNUSED + */ +asm void PPCMtmmcr0 (register u32 newMmcr0) +{ + nofralloc + mtspr MMCR0, newMmcr0 + blr +} + +/* + * --INFO-- + * Address: ........ + * Size: 000008 + */ +asm void PPCMfmmcr1(void) +{ + nofralloc + mfspr r3, MMCR1 + blr} + +/* + * --INFO-- + * Address: ........ + * Size: 000008 + * UNUSED + */ +asm void PPCMtmmcr1 (register u32 newMmcr1) +{ + nofralloc + mtspr MMCR1, newMmcr1 + blr +} + +/* + * --INFO-- + * Address: ........ + * Size: 000008 + */ +asm void PPCMfpmc1(void) +{ + nofralloc + mfspr r3, PMC1 + blr +} + +/* + * --INFO-- + * Address: ........ + * Size: 000008 + * UNUSED + */ +asm void PPCMtpmc1 (register u32 newPmc1) +{ + nofralloc + mtspr PMC1, newPmc1 + blr +} + +/* + * --INFO-- + * Address: ........ + * Size: 000008 + */ +asm void PPCMfpmc2(void) +{ + nofralloc + mfspr r3, PMC2 + blr +} + +/* + * --INFO-- + * Address: ........ + * Size: 000008 + * UNUSED + */ +asm void PPCMtpmc2 (register u32 newPmc2) +{ + nofralloc + mtspr PMC2, newPmc2 + blr +} + +/* + * --INFO-- + * Address: ........ + * Size: 000008 + */ +asm void PPCMfpmc3(void) +{ + nofralloc + mfspr r3, PMC2 + blr} + +/* + * --INFO-- + * Address: ........ + * Size: 000008 + * UNUSED + */ +asm void PPCMtpmc3 (register u32 newPmc3) +{ + nofralloc + mtspr PMC3, newPmc3 + blr +} + +/* + * --INFO-- + * Address: ........ + * Size: 000008 + */ +asm void PPCMfpmc4(void) +{ + nofralloc + mfspr r3, PMC4 + blr +} + +/* + * --INFO-- + * Address: ........ + * Size: 000008 + * UNUSED + */ +asm void PPCMtpmc4 (register u32 newPmc4) +{ + nofralloc + mtspr PMC4, newPmc4 + blr +} + +/* + * --INFO-- + * Address: ........ + * Size: 000008 + */ +asm void PPCMfsia(void) +{ + nofralloc + mfspr r3, SIA + blr} + +/* + * --INFO-- + * Address: ........ + * Size: 000008 + */ +asm void PPCMtsia(register u32 newSia) +{ + nofralloc + mtspr SIA, newSia + blr +} + +/* + * --INFO-- + * Address: 8036F828 + * Size: 000020 + */ +u32 PPCMffpscr(void) +{ + union FpscrUnion m; + + + asm + { + mffs fp31 + stfd fp31, m.f; + } + + return m.u.fpscr; +} + +/* + * --INFO-- + * Address: 8036F848 + * Size: 000028 + */ +void PPCMtfpscr(register u32 newFPSCR) +{ + union FpscrUnion m; + + asm + { + li r4, 0 + stw r4, m.u.fpscr_pad; + stw newFPSCR, m.u.fpscr + lfd fp31, m.f + mtfsf 0xff, fp31 + } +} + +/* + * --INFO-- + * Address: 8036F870 + * Size: 000008 + */ +asm u32 PPCMfhid2 ( void ) +{ + nofralloc + mfspr r3, HID2 + blr +} + +/* + * --INFO-- + * Address: 8036F878 + * Size: 000008 + */ +asm void PPCMthid2 ( register u32 newhid2 ) +{ + nofralloc + mtspr HID2, newhid2 + blr +} + +/* + * --INFO-- + * Address: 8036F880 + * Size: 00000C + */ +asm u32 PPCMfwpar(void) +{ + nofralloc + sync + mfspr r3, WPAR + blr +} + +/* + * --INFO-- + * Address: 8036F88C + * Size: 000008 + */ +asm void PPCMtwpar ( register u32 newwpar ) +{ + nofralloc + mtspr WPAR, newwpar + blr +} + +/* + * --INFO-- + * Address: ........ + * Size: 000008 + */ +asm void PPCMfdmaU(void) +{ + nofralloc + mfspr r3, DMA_U + blr +} + +/* + * --INFO-- + * Address: ........ + * Size: 000008 + */ +asm void PPCMfdmaL(void) +{ + nofralloc + mfspr r3, DMA_L + blr +} + +/* + * --INFO-- + * Address: ........ + * Size: 000008 + */ +void PPCMtdmaU(void) +{ + // UNUSED FUNCTION +} + +/* + * --INFO-- + * Address: ........ + * Size: 000008 + */ +void PPCMtdmaL(void) +{ + // UNUSED FUNCTION +} + +/* + * --INFO-- + * Address: ........ + * Size: 000008 + */ +void PPCMfpvr(void) +{ + // UNUSED FUNCTION +} + +/* + * --INFO-- + * Address: ........ + * Size: 000028 + */ +void PPCEnableSpeculation(void) +{ + // UNUSED FUNCTION +} + +/* + * --INFO-- + * Address: 8036F894 + * Size: 000028 + */ +void PPCDisableSpeculation (void) +{ + PPCMthid0(PPCMfhid0() | HID0_SPD); +} + +/* + * --INFO-- + * Address: 8036F8BC + * Size: 000008 + */ +asm void PPCSetFpIEEEMode(void) +{ + nofralloc + mtfsb0 4*7+1 + blr +} +/* + * --INFO-- + * Address: 8036F8C4 + * Size: 000008 + */ +asm void PPCSetFpNonIEEEMode (void) +{ + nofralloc + mtfsb1 4*7+1 + blr +} +// clang-format on |