diff options
| author | Dragorn421 <Dragorn421@users.noreply.github.com> | 2024-11-01 23:47:12 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-11-01 18:47:12 -0400 |
| commit | 5b27899b9fea7cc704cee9c0e740c00fbf24ddab (patch) | |
| tree | 6cd37e84d25722317636355ce15249dbc4f6e227 /src/code | |
| parent | 012c192f0052addcbe5368d872f908ec240ee478 (diff) | |
libu64 (#2267)
* libu64
* logutils.o -> debug.o in spec
* stackcheck.c is part of libu64
* review
* add paragraph about Overlay_Load calling an external function
* audio code*
Diffstat (limited to 'src/code')
| -rw-r--r-- | src/code/code_800FC620.c | 160 | ||||
| -rw-r--r-- | src/code/gfxprint.c | 418 | ||||
| -rw-r--r-- | src/code/load_gc.c | 74 | ||||
| -rw-r--r-- | src/code/loadfragment2_gc.c | 17 | ||||
| -rw-r--r-- | src/code/loadfragment2_n64.c | 209 | ||||
| -rw-r--r-- | src/code/logseverity_gc.c | 3 | ||||
| -rw-r--r-- | src/code/mtxuty-cvt.c | 24 | ||||
| -rw-r--r-- | src/code/padsetup.c | 34 | ||||
| -rw-r--r-- | src/code/padutils.c | 106 | ||||
| -rw-r--r-- | src/code/rcp_utils.c | 63 | ||||
| -rw-r--r-- | src/code/relocation_gc.c | 163 |
11 files changed, 0 insertions, 1271 deletions
diff --git a/src/code/code_800FC620.c b/src/code/code_800FC620.c deleted file mode 100644 index 8bed1af23..000000000 --- a/src/code/code_800FC620.c +++ /dev/null @@ -1,160 +0,0 @@ -#include "global.h" -#include "libc64/os_malloc.h" - -typedef void (*arg3_800FC868)(void*); -typedef void (*arg3_800FC8D8)(void*, u32); -typedef void (*arg3_800FC948)(void*, u32, u32, u32, u32, u32, u32, u32, u32); -typedef void (*arg3_800FCA18)(void*, u32); - -typedef struct InitFunc { - s32 nextOffset; - void (*func)(void); -} InitFunc; - -// .data -void* sInitFuncs = NULL; - -#if OOT_DEBUG -char sNew[] = "new"; -#else -char sNew[] = ""; -#endif - -#if !PLATFORM_N64 -char D_80134488[0x18] = { - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7F, 0x80, 0x00, 0x00, - 0xFF, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, -}; -#endif - -// possibly some kind of new() function -void* func_800FC800(u32 size) { - DECLARE_INTERRUPT_MASK - void* ptr; - - DISABLE_INTERRUPTS(); - - if (size == 0) { - size = 1; - } - -#if OOT_DEBUG - ptr = __osMallocDebug(&gSystemArena, size, sNew, 0); -#else - ptr = __osMalloc(&gSystemArena, size); -#endif - - RESTORE_INTERRUPTS(); - return ptr; -} - -// possibly some kind of delete() function -void func_800FC83C(void* ptr) { - DECLARE_INTERRUPT_MASK - - DISABLE_INTERRUPTS(); - if (ptr != NULL) { - __osFree(&gSystemArena, ptr); - } - RESTORE_INTERRUPTS(); -} - -void func_800FC868(void* blk, u32 nBlk, u32 blkSize, arg3_800FC868 arg3) { - DECLARE_INTERRUPT_MASK - u32 pos; - - DISABLE_INTERRUPTS(); - for (pos = ((u32)blk & ~0); pos < (u32)blk + (nBlk * blkSize); pos = (u32)pos + (blkSize & ~0)) { - arg3((void*)pos); - } - RESTORE_INTERRUPTS(); -} - -void func_800FC8D8(void* blk, u32 nBlk, s32 blkSize, arg3_800FC8D8 arg3) { - DECLARE_INTERRUPT_MASK - u32 pos; - - DISABLE_INTERRUPTS(); - for (pos = ((u32)blk & ~0); pos < (u32)blk + (nBlk * blkSize); pos = (u32)pos + (blkSize & ~0)) { - arg3((void*)pos, 2); - } - RESTORE_INTERRUPTS(); -} - -void* func_800FC948(void* blk, u32 nBlk, u32 blkSize, arg3_800FC948 arg3) { - DECLARE_INTERRUPT_MASK - u32 pos; - - DISABLE_INTERRUPTS(); - - if (blk == NULL) { - blk = func_800FC800(nBlk * blkSize); - } - - if (blk != NULL && arg3 != NULL) { - pos = (u32)blk; - while (pos < (u32)blk + (nBlk * blkSize)) { - arg3((void*)pos, 0, 0, 0, 0, 0, 0, 0, 0); - pos = (u32)pos + (blkSize & ~0); - } - } - - RESTORE_INTERRUPTS(); - return blk; -} - -void func_800FCA18(void* blk, u32 nBlk, u32 blkSize, arg3_800FCA18 arg3, s32 arg4) { - DECLARE_INTERRUPT_MASK - u32 pos; - u32 end; - - DISABLE_INTERRUPTS(); - - if (blk != NULL) { - if (arg3 != NULL) { - end = (u32)blk; - pos = (u32)end + (nBlk * blkSize); - - while (pos > end) { - pos -= (s32)(blkSize & ~0); - arg3((void*)pos, 2); - } - } - - if (arg4 != 0) { - func_800FC83C(blk); - } - } - - RESTORE_INTERRUPTS(); -} - -void func_800FCB34(void) { - InitFunc* initFunc = (InitFunc*)&sInitFuncs; - u32 nextOffset = initFunc->nextOffset; - InitFunc* prev = NULL; - - while (nextOffset != 0) { - initFunc = (InitFunc*)((s32)initFunc + nextOffset); - - if (initFunc->func != NULL) { - initFunc->func(); - } - - nextOffset = initFunc->nextOffset; - initFunc->nextOffset = (s32)prev; - prev = initFunc; - } - - sInitFuncs = prev; -} - -void SystemHeap_Init(void* start, u32 size) { -#if PLATFORM_N64 - __osMallocInit(&gSystemArena, start, size); -#else - SystemArena_Init(start, size); -#endif - - func_800FCB34(); -} diff --git a/src/code/gfxprint.c b/src/code/gfxprint.c deleted file mode 100644 index db586a851..000000000 --- a/src/code/gfxprint.c +++ /dev/null @@ -1,418 +0,0 @@ -#include "global.h" - -u16 sGfxPrintFontTLUT[64] = { - 0x0000, 0xFFFF, 0x0000, 0xFFFF, 0x0000, 0xFFFF, 0x0000, 0xFFFF, 0x0000, 0xFFFF, 0x0000, 0xFFFF, 0x0000, - 0xFFFF, 0x0000, 0xFFFF, 0x0000, 0x0000, 0xFFFF, 0xFFFF, 0x0000, 0x0000, 0xFFFF, 0xFFFF, 0x0000, 0x0000, - 0xFFFF, 0xFFFF, 0x0000, 0x0000, 0xFFFF, 0xFFFF, 0x0000, 0x0000, 0x0000, 0x0000, 0xFFFF, 0xFFFF, 0xFFFF, - 0xFFFF, 0x0000, 0x0000, 0x0000, 0x0000, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0x0000, 0x0000, 0x0000, 0x0000, - 0x0000, 0x0000, 0x0000, 0x0000, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, -}; - -u16 sGfxPrintRainbowTLUT[16] = { - 0xF801, 0xFBC1, 0xFFC1, 0x07C1, 0x0421, 0x003F, 0x803F, 0xF83F, - 0xF801, 0xFBC1, 0xFFC1, 0x07C1, 0x0421, 0x003F, 0x803F, 0xF83F, -}; - -u8 sGfxPrintRainbowData[8] = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77 }; - -u8 sGfxPrintFontData[(16 * 256) / 2] = { - 0x00, 0xDF, 0xFD, 0x00, 0x0A, 0xEE, 0xFF, 0xA0, 0x0D, 0xF2, 0x2D, 0xD0, 0x06, 0x61, 0x1D, 0xC0, 0x01, 0x12, 0x2D, - 0xD0, 0x06, 0x71, 0x99, 0x00, 0x01, 0x1E, 0xED, 0x10, 0x07, 0x7E, 0xF7, 0x00, 0x01, 0x56, 0x29, 0x90, 0x05, 0x58, - 0x97, 0x60, 0x0D, 0xD2, 0x29, 0x90, 0x05, 0x59, 0x97, 0x70, 0x04, 0xDF, 0xFD, 0x40, 0x02, 0x6E, 0xF7, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0xBF, 0xFB, 0x00, 0x0E, 0xFF, 0xFF, 0xC0, 0x0B, 0xF0, 0x0F, 0xB0, - 0x0F, 0xF0, 0x03, 0x30, 0x0F, 0xF0, 0x0F, 0xF0, 0x0F, 0xF0, 0x02, 0x20, 0x0C, 0xFB, 0xBF, 0x60, 0x0F, 0xFC, 0xCE, - 0x20, 0x0D, 0xD4, 0x4F, 0xF0, 0x0F, 0xF0, 0x02, 0x20, 0x0F, 0xF0, 0x0F, 0xF0, 0x0F, 0xF0, 0x03, 0x30, 0x0C, 0xFB, - 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cm = G_TX_NOMIRROR | G_TX_WRAP; - masks = G_TX_NOMASK; - maskt = G_TX_NOMASK; - shift = G_TX_NOLOD; - - gDPLoadMultiBlock_4b(this->dList++, sGfxPrintFontData, 0, G_TX_RENDERTILE, G_IM_FMT_CI, width, height, 0, cm, cm, - masks, maskt, shift, shift); - gDPLoadTLUT(this->dList++, 64, 0x100, sGfxPrintFontTLUT); - - for (i = 1; i < 4; i++) { - gDPSetTile(this->dList++, G_IM_FMT_CI, G_IM_SIZ_4b, 1, 0, i * 2, i, cm, maskt, shift, cm, masks, shift); - gDPSetTileSize(this->dList++, i * 2, 0 << 2, 0 << 2, (width - 1) << 2, (height - 1) << 2); - } - - gDPSetColor(this->dList++, G_SETPRIMCOLOR, this->color.rgba); - - width = 2; - height = 8; - cm = G_TX_NOMIRROR | G_TX_WRAP; - masks = 1; - maskt = 3; - shift = G_TX_NOLOD; - pal = 4; - line = 1; - - gDPLoadMultiTile_4b(this->dList++, sGfxPrintRainbowData, 0, 1, G_IM_FMT_CI, width, height, 0, 0, width - 1, - height - 1, pal, cm, cm, masks, maskt, shift, shift); - gDPLoadTLUT(this->dList++, 16, 0x140, sGfxPrintRainbowTLUT); - - for (i = 1; i < 4; i++) { - gDPSetTile(this->dList++, fmt, G_IM_SIZ_4b, line, tmem, i * 2 + 1, pal, cm, maskt, shift, cm, masks, shift); - gDPSetTileSize(this->dList++, i * 2 + 1, 0 << 2, 0 << 2, (width - 1) << 2, (height - 1) << 2); - } -} - -void GfxPrint_SetColor(GfxPrint* this, u32 r, u32 g, u32 b, u32 a) { - this->color.r = r; - this->color.g = g; - this->color.b = b; - this->color.a = a; - gDPPipeSync(this->dList++); - gDPSetColor(this->dList++, G_SETPRIMCOLOR, this->color.rgba); -} - -void GfxPrint_SetPosPx(GfxPrint* this, s32 x, s32 y) { - this->posX = this->baseX + (x << 2); - this->posY = this->baseY + (y << 2); -} - -void GfxPrint_SetPos(GfxPrint* this, s32 x, s32 y) { - GfxPrint_SetPosPx(this, x * GFX_CHAR_X_SPACING, y * GFX_CHAR_Y_SPACING); -} - -void GfxPrint_SetBasePosPx(GfxPrint* this, s32 x, s32 y) { - this->baseX = x << 2; - this->baseY = y << 2; -} - -void GfxPrint_PrintCharImpl(GfxPrint* this, u8 c) { - u32 tile = (c & 0xFF) * 2; - - if (this->flags & GFXP_FLAG_UPDATE) { - this->flags &= ~GFXP_FLAG_UPDATE; - - gDPPipeSync(this->dList++); - if (this->flags & GFXP_FLAG_RAINBOW) { - gDPSetTextureLUT(this->dList++, G_TT_RGBA16); - gDPSetCycleType(this->dList++, G_CYC_2CYCLE); - gDPSetRenderMode(this->dList++, G_RM_PASS, G_RM_XLU_SURF2); - gDPSetCombineMode(this->dList++, G_CC_INTERFERENCE, G_CC_PASS2); - } else { - gDPSetTextureLUT(this->dList++, G_TT_IA16); - gDPSetCycleType(this->dList++, G_CYC_1CYCLE); - gDPSetRenderMode(this->dList++, G_RM_XLU_SURF, G_RM_XLU_SURF2); - gDPSetCombineMode(this->dList++, G_CC_MODULATEIDECALA_PRIM, G_CC_MODULATEIDECALA_PRIM); - } - } - - if (this->flags & GFXP_FLAG_SHADOW) { - gDPSetColor(this->dList++, G_SETPRIMCOLOR, 0); - -#if PLATFORM_N64 - gSPTextureRectangle(this->dList++, this->posX + 4, this->posY + 4, this->posX + 4 + 32, this->posY + 4 + 32, - tile, (u16)(c & 4) * 64, (u16)(c >> 3) * 256, 1 << 10, 1 << 10); -#else - if (this->flags & GFXP_FLAG_ENLARGE) { - gSPTextureRectangle(this->dList++, (this->posX + 4) << 1, (this->posY + 4) << 1, (this->posX + 4 + 32) << 1, - (this->posY + 4 + 32) << 1, tile, (u16)(c & 4) * 64, (u16)(c >> 3) * 256, 1 << 9, - 1 << 9); - } else { - gSPTextureRectangle(this->dList++, this->posX + 4, this->posY + 4, this->posX + 4 + 32, this->posY + 4 + 32, - tile, (u16)(c & 4) * 64, (u16)(c >> 3) * 256, 1 << 10, 1 << 10); - } -#endif - - gDPSetColor(this->dList++, G_SETPRIMCOLOR, this->color.rgba); - } - -#if PLATFORM_N64 - gSPTextureRectangle(this->dList++, this->posX, this->posY, this->posX + 32, this->posY + 32, tile, - (u16)(c & 4) * 64, (u16)(c >> 3) * 256, 1 << 10, 1 << 10); -#else - if (this->flags & GFXP_FLAG_ENLARGE) { - gSPTextureRectangle(this->dList++, this->posX << 1, this->posY << 1, (this->posX + 32) << 1, - (this->posY + 32) << 1, tile, (u16)(c & 4) * 64, (u16)(c >> 3) * 256, 1 << 9, 1 << 9); - } else { - gSPTextureRectangle(this->dList++, this->posX, this->posY, this->posX + 32, this->posY + 32, tile, - (u16)(c & 4) * 64, (u16)(c >> 3) * 256, 1 << 10, 1 << 10); - } -#endif - - this->posX += GFX_CHAR_X_SPACING << 2; -} - -void GfxPrint_PrintChar(GfxPrint* this, u8 c) { -#if PLATFORM_N64 -#define CHAR_PARAM c -#else -#define CHAR_PARAM charParam - u8 charParam = c; -#endif - - if (c == ' ') { - this->posX += GFX_CHAR_X_SPACING << 2; - } else if (c > ' ' && c < 0x7F) { - GfxPrint_PrintCharImpl(this, c); - } else if (c >= 0xA0 && c < 0xE0) { - if (this->flags & GFXP_FLAG_HIRAGANA) { - if (c < 0xC0) { - CHAR_PARAM = c - 0x20; - } else { - CHAR_PARAM = c + 0x20; - } - } - GfxPrint_PrintCharImpl(this, CHAR_PARAM); - } else { - switch (c) { - case '\0': - break; - case '\n': - this->posY += GFX_CHAR_Y_SPACING << 2; - FALLTHROUGH; - case '\r': - this->posX = this->baseX; - break; - case '\t': - do { - GfxPrint_PrintCharImpl(this, ' '); - } while ((this->posX - this->baseX) % 256); - break; - case GFXP_HIRAGANA_CHAR: - this->flags |= GFXP_FLAG_HIRAGANA; - break; - case GFXP_KATAKANA_CHAR: - this->flags &= ~GFXP_FLAG_HIRAGANA; - break; - case GFXP_RAINBOW_ON_CHAR: - this->flags |= GFXP_FLAG_RAINBOW; - this->flags |= GFXP_FLAG_UPDATE; - break; - case GFXP_RAINBOW_OFF_CHAR: - this->flags &= ~GFXP_FLAG_RAINBOW; - this->flags |= GFXP_FLAG_UPDATE; - break; - case GFXP_UNUSED_CHAR: - default: - break; - } - } -} - -void GfxPrint_PrintStringWithSize(GfxPrint* this, const void* buffer, u32 charSize, u32 charCount) { - const char* str = (const char*)buffer; - u32 count = charSize * charCount; - - while (count != 0) { - GfxPrint_PrintChar(this, *(str++)); - count--; - } -} - -void GfxPrint_PrintString(GfxPrint* this, const char* str) { - while (*str != '\0') { - GfxPrint_PrintChar(this, *(str++)); - } -} - -void* GfxPrint_Callback(void* arg, const char* str, size_t size) { - GfxPrint* this = arg; - - GfxPrint_PrintStringWithSize(this, str, sizeof(char), size); - - return this; -} - -void GfxPrint_Init(GfxPrint* this) { - this->flags &= ~GFXP_FLAG_OPEN; - - this->callback = GfxPrint_Callback; - this->dList = NULL; - this->posX = 0; - this->posY = 0; - this->baseX = 0; - this->baseY = 0; - this->color.rgba = 0; - - this->flags &= ~GFXP_FLAG_HIRAGANA; - this->flags &= ~GFXP_FLAG_RAINBOW; - this->flags |= GFXP_FLAG_SHADOW; - this->flags |= GFXP_FLAG_UPDATE; - -#if !PLATFORM_N64 - if (sDefaultSpecialFlags & GFXP_FLAG_ENLARGE) { - this->flags |= GFXP_FLAG_ENLARGE; - } else { - this->flags &= ~GFXP_FLAG_ENLARGE; - } -#endif -} - -void GfxPrint_Destroy(GfxPrint* this) { -} - -void GfxPrint_Open(GfxPrint* this, Gfx* dList) { - if (!(this->flags & GFXP_FLAG_OPEN)) { - this->flags |= GFXP_FLAG_OPEN; - this->dList = dList; - GfxPrint_Setup(this); - } else { -#if PLATFORM_N64 || OOT_DEBUG - osSyncPrintf(T("gfxprint_open:2重オープンです\n", "gfxprint_open: Double open\n")); -#endif - } -} - -Gfx* GfxPrint_Close(GfxPrint* this) { - Gfx* ret; - - this->flags &= ~GFXP_FLAG_OPEN; -#if !PLATFORM_N64 - gDPPipeSync(this->dList++); -#endif - ret = this->dList; - this->dList = NULL; - - return ret; -} - -s32 GfxPrint_VPrintf(GfxPrint* this, const char* fmt, va_list args) { - return PrintUtils_VPrintf(&this->callback, fmt, args); -} - -s32 GfxPrint_Printf(GfxPrint* this, const char* fmt, ...) { - s32 ret; - va_list args; - va_start(args, fmt); - - ret = GfxPrint_VPrintf(this, fmt, args); - - va_end(args); - - return ret; -} diff --git a/src/code/load_gc.c b/src/code/load_gc.c deleted file mode 100644 index 39662cbce..000000000 --- a/src/code/load_gc.c +++ /dev/null @@ -1,74 +0,0 @@ -#include "global.h" - -size_t Overlay_Load(uintptr_t vromStart, uintptr_t vromEnd, void* vramStart, void* vramEnd, void* allocatedRamAddr) { - s32 pad[3]; - uintptr_t end; - OverlayRelocationSection* ovlRelocs; - u32 relocSectionOffset = 0; - s32 size = vromEnd - vromStart; - - if (gOverlayLogSeverity >= 3) { - PRINTF( - T("\nダイナミックリンクファンクションのロードを開始します\n", "\nStart loading dynamic link function\n")); - } - - size = vromEnd - vromStart; - end = (uintptr_t)allocatedRamAddr + size; - - if (gOverlayLogSeverity >= 3) { - PRINTF(T("TEXT,DATA,RODATA+relをDMA転送します(%08x-%08x)\n", - "DMA transfer of TEXT, DATA, RODATA + rel (%08x-%08x)\n"), - allocatedRamAddr, end); - } - - // DMA the overlay, wait until transfer completes - DmaMgr_RequestSync(allocatedRamAddr, vromStart, size); - - // The overlay file is expected to contain a 32-bit offset from the end of the file to the start of the - // relocation section. - relocSectionOffset = ((s32*)end)[-1]; - ovlRelocs = (OverlayRelocationSection*)(end - relocSectionOffset); - - if (gOverlayLogSeverity >= 3) { - PRINTF("TEXT(%08x), DATA(%08x), RODATA(%08x), BSS(%08x)\n", ovlRelocs->textSize, ovlRelocs->dataSize, - ovlRelocs->rodataSize, ovlRelocs->bssSize); - } - - if (gOverlayLogSeverity >= 3) { - PRINTF(T("リロケーションします\n", "Relocate\n")); - } - - // Relocate pointers in overlay code and data - Overlay_Relocate(allocatedRamAddr, ovlRelocs, vramStart); - - // Clear bss if present, bss is located immediately following the relocations - if (ovlRelocs->bssSize != 0) { - if (gOverlayLogSeverity >= 3) { - PRINTF(T("BSS領域をクリアします(%08x-%08x)\n", "Clear BSS area (%08x-%08x)\n"), end, - end + ovlRelocs->bssSize); - } - bzero((void*)end, ovlRelocs->bssSize); - } - - size = (uintptr_t)(ovlRelocs->relocations + ovlRelocs->nRelocations) - (uintptr_t)ovlRelocs; - - if (gOverlayLogSeverity >= 3) { - PRINTF(T("REL領域をクリアします(%08x-%08x)\n", "Clear REL area (%08x-%08x)\n"), ovlRelocs, - (uintptr_t)ovlRelocs + size); - } - - // Clear relocations, this space remains allocated and goes unused - bzero(ovlRelocs, size); - - // Manually flush caches - size = (uintptr_t)vramEnd - (uintptr_t)vramStart; - osWritebackDCache(allocatedRamAddr, size); - osInvalICache(allocatedRamAddr, size); - - if (gOverlayLogSeverity >= 3) { - PRINTF( - T("ダイナミックリンクファンクションのロードを終了します\n\n", "Finish loading dynamic link function\n\n")); - } - - return size; -} diff --git a/src/code/loadfragment2_gc.c b/src/code/loadfragment2_gc.c deleted file mode 100644 index 6befb8c9b..000000000 --- a/src/code/loadfragment2_gc.c +++ /dev/null @@ -1,17 +0,0 @@ -#include "global.h" - -void* Overlay_AllocateAndLoad(uintptr_t vromStart, uintptr_t vromEnd, void* vramStart, void* vramEnd) { - void* allocatedRamAddr = SYSTEM_ARENA_MALLOC_R((intptr_t)vramEnd - (intptr_t)vramStart, "../loadfragment2.c", 31); - - if (gOverlayLogSeverity >= 3) { - PRINTF("OVL:SPEC(%08x-%08x) REAL(%08x-%08x) OFFSET(%08x)\n", vramStart, vramEnd, allocatedRamAddr, - ((uintptr_t)vramEnd - (uintptr_t)vramStart) + (uintptr_t)allocatedRamAddr, - (uintptr_t)vramStart - (uintptr_t)allocatedRamAddr); - } - - if (allocatedRamAddr != NULL) { - Overlay_Load(vromStart, vromEnd, vramStart, vramEnd, allocatedRamAddr); - } - - return allocatedRamAddr; -} diff --git a/src/code/loadfragment2_n64.c b/src/code/loadfragment2_n64.c deleted file mode 100644 index 6a06b1ba0..000000000 --- a/src/code/loadfragment2_n64.c +++ /dev/null @@ -1,209 +0,0 @@ -/** - * @file loadfragment2_n64.c - * - * This file contains the routine responsible for runtime relocation of dynamically loadable code segments (overlays), - * see the description of Overlay_Relocate for details. - * - * @see Overlay_Relocate - */ -#include "global.h" - -s32 gOverlayLogSeverity = 2; - -// Extract MIPS register rs from an instruction word -#define MIPS_REG_RS(insn) (((insn) >> 0x15) & 0x1F) - -// Extract MIPS register rt from an instruction word -#define MIPS_REG_RT(insn) (((insn) >> 0x10) & 0x1F) - -// Extract MIPS jump target from an instruction word -#define MIPS_JUMP_TARGET(insn) (((insn)&0x03FFFFFF) << 2) - -/** - * Performs runtime relocation of overlay files, loadable code segments. - * - * Overlays are expected to be loadable anywhere in direct-mapped cached (KSEG0) memory, with some appropriate - * alignment requirements; memory addresses in such code must be updated once loaded to execute properly. - * When compiled, overlays are given 'fake' KSEG0 RAM addresses larger than the total possible available main memory - * (>= 0x80800000), such addresses are referred to as Virtual RAM (VRAM) to distinguish them. When loading the overlay, - * the relocation table produced at compile time is consulted to determine where and how to update these VRAM addresses - * to correct RAM addresses based on the location the overlay was loaded at, enabling the code to execute at this - * address as if it were compiled to run at this address. - * - * Each relocation is represented by a packed 32-bit value, formatted in the following way: - * - [31:30] 2-bit section id, taking values from the `RelocSectionId` enum. - * - [29:24] 6-bit relocation type describing which relocation operation should be performed. Same as ELF32 MIPS. - * - [23: 0] 24-bit section-relative offset indicating where in the section to apply this relocation. - * - * @param allocatedRamAddress Memory address the binary was loaded at. - * @param ovlRelocs Overlay relocation section containing overlay section layout and runtime relocations. - * @param vramStart Virtual RAM address that the overlay was compiled at. - */ -void Overlay_Relocate(void* allocatedRamAddr, OverlayRelocationSection* ovlRelocs, void* vramStart) { - u32 sections[RELOC_SECTION_MAX]; - u32* relocDataP; - u32 reloc; - uintptr_t relocatedAddress; - u32 i; - u32* luiInstRef; - u32 isLoNeg; - u32* regValP; - //! MIPS ELF relocation does not generally require tracking register values, so at first glance it appears this - //! register tracking was an unnecessary complication. However there is a bug in the IDO compiler that can cause - //! relocations to be emitted in the wrong order under rare circumstances when the compiler attempts to reuse a - //! previous HI16 relocation for a different LO16 relocation as an optimization. This register tracking is likely - //! a workaround to prevent improper matching of unrelated HI16 and LO16 relocations that would otherwise arise - //! due to the incorrect ordering. - u32* luiRefs[32]; - u32 luiVals[32]; - uintptr_t allocu32 = (uintptr_t)allocatedRamAddr; - uintptr_t vramu32 = (uintptr_t)vramStart; - - if (gOverlayLogSeverity >= 3) { - osSyncPrintf("DoRelocation(%08x, %08x, %08x)\n", allocatedRamAddr, ovlRelocs, vramStart); - } - - sections[RELOC_SECTION_NULL] = 0; - sections[RELOC_SECTION_TEXT] = allocu32; - sections[RELOC_SECTION_DATA] = allocu32 + ovlRelocs->textSize; - sections[RELOC_SECTION_RODATA] = sections[RELOC_SECTION_DATA] + ovlRelocs->dataSize; - - for (i = 0; i < ovlRelocs->nRelocations; i++) { - // This will always resolve to a 32-bit aligned address as each section - // containing code or pointers must be aligned to at least 4 bytes and the - // MIPS ABI defines the offset of both 16-bit and 32-bit relocations to be - // the start of the 32-bit word containing the target. - reloc = ovlRelocs->relocations[i]; - relocDataP = (u32*)(sections[RELOC_SECTION(reloc)] + RELOC_OFFSET(reloc)); - - switch (RELOC_TYPE_MASK(reloc)) { - case R_MIPS_32 << RELOC_TYPE_SHIFT: - // Handles 32-bit address relocation, used for things such as jump tables and pointers in data. - // Just relocate the full address - - // Check address is valid for relocation - if ((*relocDataP & 0x0F000000) == 0) { - *relocDataP = *relocDataP - vramu32 + allocu32; - } else if (gOverlayLogSeverity >= 3) { - osSyncPrintf(T("セグメントポインタ32です %08x\n", "Segment pointer 32 %08x\n"), - *relocDataP - vramu32); - } - break; - - case R_MIPS_26 << RELOC_TYPE_SHIFT: - // Handles 26-bit address relocation, used for jumps and jals. - // Extract the address from the target field of the J-type MIPS instruction. - // Relocate the address and update the instruction. - - if (1) { - *relocDataP = - (*relocDataP & 0xFC000000) | - (((PHYS_TO_K0(MIPS_JUMP_TARGET(*relocDataP)) - vramu32 + allocu32) & 0x0FFFFFFF) >> 2); - } else if (gOverlayLogSeverity >= 3) { - osSyncPrintf(T("セグメントポインタ26です %08x\n", "Segment pointer 26 %08x\n"), - PHYS_TO_K0(MIPS_JUMP_TARGET(*relocDataP)) - vramu32); - } - break; - - case R_MIPS_HI16 << RELOC_TYPE_SHIFT: - // Handles relocation for a hi/lo pair, part 1. - // Store the reference to the LUI instruction (hi) using the `rt` register of the instruction. - // This will be updated later in the `R_MIPS_LO16` section. - - luiRefs[(*relocDataP >> 0x10) & 0x1F] = relocDataP; - luiVals[(*relocDataP >> 0x10) & 0x1F] = *relocDataP; - break; - - case R_MIPS_LO16 << RELOC_TYPE_SHIFT: - // Handles relocation for a hi/lo pair, part 2. - // Grab the stored LUI (hi) from the `R_MIPS_HI16` section using the `rs` register of the instruction. - // The full address is calculated, relocated, and then used to update both the LUI and lo instructions. - // If the lo part is negative, add 1 to the LUI value. - // Note: The lo instruction is assumed to have a signed immediate. - - luiInstRef = luiRefs[(*relocDataP >> 0x15) & 0x1F]; - regValP = &luiVals[(*relocDataP >> 0x15) & 0x1F]; - - // Check address is valid for relocation - if ((((*luiInstRef << 0x10) + (s16)*relocDataP) & 0x0F000000) == 0) { - relocatedAddress = ((*regValP << 0x10) + (s16)*relocDataP) - vramu32 + allocu32; - isLoNeg = (relocatedAddress & 0x8000) ? 1 : 0; - *luiInstRef = (*luiInstRef & 0xFFFF0000) | (((relocatedAddress >> 0x10) & 0xFFFF) + isLoNeg); - *relocDataP = (*relocDataP & 0xFFFF0000) | (relocatedAddress & 0xFFFF); - } else if (gOverlayLogSeverity >= 3) { - osSyncPrintf(T("セグメントポインタ16です %08x %08x %08x\n", "Segment pointer 16 %08x %08x %08x\n"), - ((*luiInstRef << 0x10) + (s16)*relocDataP) - vramu32, *luiInstRef, *relocDataP); - } - break; - } - } -} - -size_t Overlay_Load(uintptr_t vromStart, uintptr_t vromEnd, void* vramStart, void* vramEnd, void* allocatedRamAddr) { - s32 pad[2]; - s32 size = vromEnd - vromStart; - uintptr_t end; - OverlayRelocationSection* ovlRelocs; - - if (gOverlayLogSeverity >= 3) { - osSyncPrintf( - T("\nダイナミックリンクファンクションのロードを開始します\n", "\nStart loading dynamic link function\n")); - } - - size = vromEnd - vromStart; - end = (uintptr_t)allocatedRamAddr + size; - - if (gOverlayLogSeverity >= 3) { - osSyncPrintf(T("TEXT,DATA,RODATA+relをDMA転送します(%08x-%08x)\n", - "DMA transfer TEXT, DATA, RODATA+rel (%08x-%08x)\n"), - allocatedRamAddr, end); - } - - DmaMgr_RequestSync(allocatedRamAddr, vromStart, size); - - // The overlay file is expected to contain a 32-bit offset from the end of the file to the start of the - // relocation section. - ovlRelocs = (OverlayRelocationSection*)(end - ((s32*)end)[-1]); - - if (gOverlayLogSeverity >= 3) { - osSyncPrintf("TEXT(%08x), DATA(%08x), RODATA(%08x), BSS(%08x)\n", ovlRelocs->textSize, ovlRelocs->dataSize, - ovlRelocs->rodataSize, (s32)ovlRelocs->bssSize); - } - - if (gOverlayLogSeverity >= 3) { - osSyncPrintf(T("リロケーションします\n", "I will relocate\n")); - } - - Overlay_Relocate(allocatedRamAddr, ovlRelocs, vramStart); - - // Casts suggest bssSize struct variable was an s32, but needs to be a u32 for the GC versions - if ((s32)ovlRelocs->bssSize != 0) { - if (gOverlayLogSeverity >= 3) { - osSyncPrintf(T("BSS領域をクリアします(%08x-%08x)\n", "Clear BSS area (%08x-%08x)\n"), end, - end + (s32)ovlRelocs->bssSize); - } - bzero((void*)end, (s32)ovlRelocs->bssSize); - } - - size = (uintptr_t)vramEnd - (uintptr_t)vramStart; - - osWritebackDCache(allocatedRamAddr, size); - osInvalICache(allocatedRamAddr, size); - - if (gOverlayLogSeverity >= 3) { - osSyncPrintf(T("ダイナミックリンクファンクションのロードを終了します\n\n", - "Finish loading the dynamic link function\n\n")); - } - - return size; -} - -void* Overlay_AllocateAndLoad(uintptr_t vromStart, uintptr_t vromEnd, void* vramStart, void* vramEnd) { - void* allocatedRamAddr = SYSTEM_ARENA_MALLOC_R((intptr_t)vramEnd - (intptr_t)vramStart, "../loadfragment2.c", 31); - - if (allocatedRamAddr != NULL) { - Overlay_Load(vromStart, vromEnd, vramStart, vramEnd, allocatedRamAddr); - } - - return allocatedRamAddr; -} diff --git a/src/code/logseverity_gc.c b/src/code/logseverity_gc.c deleted file mode 100644 index 940aa87cc..000000000 --- a/src/code/logseverity_gc.c +++ /dev/null @@ -1,3 +0,0 @@ -#include "global.h" - -s32 gOverlayLogSeverity = 2; diff --git a/src/code/mtxuty-cvt.c b/src/code/mtxuty-cvt.c deleted file mode 100644 index 10f88f782..000000000 --- a/src/code/mtxuty-cvt.c +++ /dev/null @@ -1,24 +0,0 @@ -#include "global.h" - -void MtxConv_F2L(Mtx* m1, MtxF* m2) { - s32 i; - s32 j; - - LOG_UTILS_CHECK_NULL_POINTER("m1", m1, "../mtxuty-cvt.c", 31); - LOG_UTILS_CHECK_NULL_POINTER("m2", m2, "../mtxuty-cvt.c", 32); - - for (i = 0; i < 4; i++) { - for (j = 0; j < 4; j++) { - s32 value = (m2->mf[i][j] * 0x10000); - - m1->intPart[i][j] = value >> 16; - m1->fracPart[i][j] = value; - } - } -} - -void MtxConv_L2F(MtxF* m1, Mtx* m2) { - LOG_UTILS_CHECK_NULL_POINTER("m1", m1, "../mtxuty-cvt.c", 55); - LOG_UTILS_CHECK_NULL_POINTER("m2", m2, "../mtxuty-cvt.c", 56); - guMtxL2F(m1->mf, m2); -} diff --git a/src/code/padsetup.c b/src/code/padsetup.c deleted file mode 100644 index 20a546ae3..000000000 --- a/src/code/padsetup.c +++ /dev/null @@ -1,34 +0,0 @@ -#include "global.h" - -s32 PadSetup_Init(OSMesgQueue* mq, u8* outMask, OSContStatus* status) { - s32 ret; - s32 i; - - *outMask = 0xFF; - ret = osContInit(mq, outMask, status); - if (ret != 0) { - return ret; - } - - if (*outMask == 0xFF) { - if (osContStartQuery(mq) != 0) { - return 1; - } - osRecvMesg(mq, NULL, OS_MESG_BLOCK); - osContGetQuery(status); - - *outMask = 0; - for (i = 0; i < MAXCONTROLLERS; i++) { - switch (status[i].errno) { - case 0: - if (status[i].type == CONT_TYPE_NORMAL) { - *outMask |= 1 << i; - } - break; - default: - break; - } - } - } - return 0; -} diff --git a/src/code/padutils.c b/src/code/padutils.c deleted file mode 100644 index 7a0407ef9..000000000 --- a/src/code/padutils.c +++ /dev/null @@ -1,106 +0,0 @@ -#include "global.h" - -void PadUtils_Init(Input* input) { - bzero(input, sizeof(Input)); -} - -void func_800FCB70(void) { -} - -void PadUtils_ResetPressRel(Input* input) { - input->press.button = 0; -#if PLATFORM_N64 - input->press.stick_x = 0; - input->press.stick_y = 0; -#endif - input->rel.button = 0; -} - -u32 PadUtils_CheckCurExact(Input* input, u16 value) { - return value == input->cur.button; -} - -u32 PadUtils_CheckCur(Input* input, u16 key) { - return key == (input->cur.button & key); -} - -u32 PadUtils_CheckPressed(Input* input, u16 key) { - return key == (input->press.button & key); -} - -u32 PadUtils_CheckReleased(Input* input, u16 key) { - return key == (input->rel.button & key); -} - -u16 PadUtils_GetCurButton(Input* input) { - return input->cur.button; -} - -u16 PadUtils_GetPressButton(Input* input) { - return input->press.button; -} - -s8 PadUtils_GetCurX(Input* input) { - return input->cur.stick_x; -} - -s8 PadUtils_GetCurY(Input* input) { - return input->cur.stick_y; -} - -void PadUtils_SetRelXY(Input* input, s32 x, s32 y) { - input->rel.stick_x = x; - input->rel.stick_y = y; -} - -s8 PadUtils_GetRelXImpl(Input* input) { - return input->rel.stick_x; -} - -s8 PadUtils_GetRelYImpl(Input* input) { - return input->rel.stick_y; -} - -s8 PadUtils_GetRelX(Input* input) { - return PadUtils_GetRelXImpl(input); -} - -s8 PadUtils_GetRelY(Input* input) { - return PadUtils_GetRelYImpl(input); -} - -#if PLATFORM_N64 -s8 PadUtils_GetPressX(Input* input) { - return input->press.stick_x; -} - -s8 PadUtils_GetPressY(Input* input) { - return input->press.stick_y; -} -#endif - -void PadUtils_UpdateRelXY(Input* input) { - s32 curX = PadUtils_GetCurX(input); - s32 curY = PadUtils_GetCurY(input); - s32 relX; - s32 relY; - - if (curX > 7) { - relX = (curX < 0x43) ? curX - 7 : 0x43 - 7; - } else if (curX < -7) { - relX = (curX > -0x43) ? curX + 7 : -0x43 + 7; - } else { - relX = 0; - } - - if (curY > 7) { - relY = (curY < 0x43) ? curY - 7 : 0x43 - 7; - - } else if (curY < -7) { - relY = (curY > -0x43) ? curY + 7 : -0x43 + 7; - } else { - relY = 0; - } - - PadUtils_SetRelXY(input, relX, relY); -} diff --git a/src/code/rcp_utils.c b/src/code/rcp_utils.c deleted file mode 100644 index 574a1a5df..000000000 --- a/src/code/rcp_utils.c +++ /dev/null @@ -1,63 +0,0 @@ -#include "global.h" - -#if PLATFORM_N64 || OOT_DEBUG -#define RCP_UTILS_PRINTF osSyncPrintf -#elif IDO_PRINTF_WORKAROUND -#define RCP_UTILS_PRINTF(args) (void)0 -#else -#define RCP_UTILS_PRINTF(format, ...) (void)0 -#endif - -#define printSpStatus(x, name) \ - if (x & SP_STATUS_##name) \ - RCP_UTILS_PRINTF(#name " ") - -#define printDpStatus(x, name) \ - if (x & DPC_STATUS_##name) \ - RCP_UTILS_PRINTF(#name " ") - -void RcpUtils_PrintRegisterStatus(void) { - u32 spStatus = __osSpGetStatus(); - u32 dpStatus = osDpGetStatus(); - - RCP_UTILS_PRINTF("osSpGetStatus=%08x: ", spStatus); - printSpStatus(spStatus, HALT); - printSpStatus(spStatus, BROKE); - printSpStatus(spStatus, DMA_BUSY); - printSpStatus(spStatus, DMA_FULL); - printSpStatus(spStatus, IO_FULL); - printSpStatus(spStatus, SSTEP); - printSpStatus(spStatus, INTR_BREAK); - printSpStatus(spStatus, YIELD); - printSpStatus(spStatus, YIELDED); - printSpStatus(spStatus, TASKDONE); - printSpStatus(spStatus, SIG3); - printSpStatus(spStatus, SIG4); - printSpStatus(spStatus, SIG5); - printSpStatus(spStatus, SIG6); - printSpStatus(spStatus, SIG7); - RCP_UTILS_PRINTF("\n"); - - RCP_UTILS_PRINTF("osDpGetStatus=%08x:", dpStatus); - printDpStatus(dpStatus, XBUS_DMEM_DMA); - printDpStatus(dpStatus, FREEZE); - printDpStatus(dpStatus, FLUSH); - printDpStatus(dpStatus, START_GCLK); - printDpStatus(dpStatus, TMEM_BUSY); - printDpStatus(dpStatus, PIPE_BUSY); - printDpStatus(dpStatus, CMD_BUSY); - printDpStatus(dpStatus, CBUF_READY); - printDpStatus(dpStatus, DMA_BUSY); - printDpStatus(dpStatus, END_VALID); - printDpStatus(dpStatus, START_VALID); - RCP_UTILS_PRINTF("\n"); -} - -void RcpUtils_Reset(void) { - RcpUtils_PrintRegisterStatus(); - // Flush the RDP pipeline and freeze clock counter - osDpSetStatus(DPC_SET_FREEZE | DPC_SET_FLUSH); - // Halt the RSP, disable interrupt on break and set "task done" signal - __osSpSetStatus(SP_SET_HALT | SP_SET_TASKDONE | SP_CLR_INTR_BREAK); - RcpUtils_PrintRegisterStatus(); -} diff --git a/src/code/relocation_gc.c b/src/code/relocation_gc.c deleted file mode 100644 index f178121c1..000000000 --- a/src/code/relocation_gc.c +++ /dev/null @@ -1,163 +0,0 @@ -/** - * @file relocation.c - * - * This file contains the routine responsible for runtime relocation of dynamically loadable code segments (overlays), - * see the description of Overlay_Relocate for details. - * - * @see Overlay_Relocate - */ -#include "global.h" - -// Extract MIPS register rs from an instruction word -#define MIPS_REG_RS(insn) (((insn) >> 0x15) & 0x1F) - -// Extract MIPS register rt from an instruction word -#define MIPS_REG_RT(insn) (((insn) >> 0x10) & 0x1F) - -// Extract MIPS jump target from an instruction word -#define MIPS_JUMP_TARGET(insn) (((insn)&0x03FFFFFF) << 2) - -/** - * Performs runtime relocation of overlay files, loadable code segments. - * - * Overlays are expected to be loadable anywhere in direct-mapped cached (KSEG0) memory, with some appropriate - * alignment requirements; memory addresses in such code must be updated once loaded in order to execute properly. - * When compiled, overlays are given 'fake' KSEG0 RAM addresses larger than the total possible available main memory - * (>= 0x80800000), such addresses are referred to as Virtual RAM (VRAM) to distinguish them. When loading the overlay - * the relocation table produced at compile time is consulted to determine where and how to update these VRAM addresses - * to correct RAM addresses based on the location the overlay was loaded at, enabling the code to execute at this - * address as if it were compiled to run at this address. - * - * Each relocation is represented by a packed 32-bit value, formatted in the following way: - * - [31:30] 2-bit section id, taking values from the `RelocSectionId` enum. - * - [29:24] 6-bit relocation type describing which relocation operation should be performed. Same as ELF32 MIPS. - * - [23: 0] 24-bit section-relative offset indicating where in the section to apply this relocation. - * - * @param allocatedRamAddr Memory address the binary was loaded at. - * @param ovlRelocs Overlay relocation section containing overlay section layout and runtime relocations. - * @param vramStart Virtual RAM address that the overlay was compiled at. - */ -void Overlay_Relocate(void* allocatedRamAddr, OverlayRelocationSection* ovlRelocs, void* vramStart) { - uintptr_t sections[RELOC_SECTION_MAX]; - u32* relocDataP; - u32 reloc; - u32 relocData; - u32 isLoNeg; - uintptr_t allocu32 = (uintptr_t)allocatedRamAddr; - u32 i; - u32* regValP; - //! MIPS ELF relocation does not generally require tracking register values, so at first glance it appears this - //! register tracking was an unnecessary complication. However there is a bug in the IDO compiler that can cause - //! relocations to be emitted in the wrong order under rare circumstances when the compiler attempts to reuse a - //! previous HI16 relocation for a different LO16 relocation as an optimization. This register tracking is likely - //! a workaround to prevent improper matching of unrelated HI16 and LO16 relocations that would otherwise arise - //! due to the incorrect ordering. - u32* luiRefs[32]; - u32 luiVals[32]; - u32* luiInstRef; - u32 dbg; - s32 relocOffset = 0; - u32 relocatedValue = 0; - uintptr_t unrelocatedAddress = 0; - uintptr_t relocatedAddress = 0; - uintptr_t vramu32 = (uintptr_t)vramStart; - - if (gOverlayLogSeverity >= 3) { - PRINTF("DoRelocation(%08x, %08x, %08x)\n", allocatedRamAddr, ovlRelocs, vramStart); - PRINTF("text=%08x, data=%08x, rodata=%08x, bss=%08x\n", ovlRelocs->textSize, ovlRelocs->dataSize, - ovlRelocs->rodataSize, ovlRelocs->bssSize); - } - - sections[RELOC_SECTION_NULL] = 0; - sections[RELOC_SECTION_TEXT] = allocu32; - sections[RELOC_SECTION_DATA] = allocu32 + ovlRelocs->textSize; - sections[RELOC_SECTION_RODATA] = sections[RELOC_SECTION_DATA] + ovlRelocs->dataSize; - - for (i = 0; i < ovlRelocs->nRelocations; i++) { - reloc = ovlRelocs->relocations[i]; - // This will always resolve to a 32-bit aligned address as each section containing code or pointers must be - // aligned to at least 4 bytes and the MIPS ABI defines the offset of both 16-bit and 32-bit relocations to - // be the start of the 32-bit word containing the target. - relocDataP = (u32*)(sections[RELOC_SECTION(reloc)] + RELOC_OFFSET(reloc)); - relocData = *relocDataP; - - switch (RELOC_TYPE_MASK(reloc)) { - case R_MIPS_32 << RELOC_TYPE_SHIFT: - // Handles 32-bit address relocation, used for things such as jump tables and pointers in data. - // Just relocate the full address. - - // Check address is valid for relocation - if ((*relocDataP & 0x0F000000) == 0) { - relocOffset = *relocDataP - vramu32; - relocatedValue = relocOffset + allocu32; - relocatedAddress = relocatedValue; - unrelocatedAddress = relocData; - *relocDataP = relocatedAddress; - } - break; - - case R_MIPS_26 << RELOC_TYPE_SHIFT: - // Handles 26-bit address relocation, used for jumps and jals. - // Extract the address from the target field of the J-type MIPS instruction. - // Relocate the address and update the instruction. - if (1) { - relocOffset = PHYS_TO_K0(MIPS_JUMP_TARGET(*relocDataP)) - vramu32; - unrelocatedAddress = PHYS_TO_K0(MIPS_JUMP_TARGET(*relocDataP)); - relocatedValue = (*relocDataP & 0xFC000000) | (((allocu32 + relocOffset) & 0x0FFFFFFF) >> 2); - relocatedAddress = PHYS_TO_K0(MIPS_JUMP_TARGET(relocatedValue)); - *relocDataP = relocatedValue; - } - break; - - case R_MIPS_HI16 << RELOC_TYPE_SHIFT: - // Handles relocation for a hi/lo pair, part 1. - // Store the reference to the LUI instruction (hi) using the `rt` register of the instruction. - // This will be updated later in the `R_MIPS_LO16` section. - - luiRefs[MIPS_REG_RT(*relocDataP)] = relocDataP; - luiVals[MIPS_REG_RT(*relocDataP)] = *relocDataP; - break; - - case R_MIPS_LO16 << RELOC_TYPE_SHIFT: - // Handles relocation for a hi/lo pair, part 2. - // Grab the stored LUI (hi) from the `R_MIPS_HI16` section using the `rs` register of the instruction. - // The full address is calculated, relocated, and then used to update both the LUI and lo instructions. - // If the lo part is negative, add 1 to the LUI value. - // Note: The lo instruction is assumed to have a signed immediate. - - luiInstRef = luiRefs[MIPS_REG_RS(*relocDataP)]; - regValP = &luiVals[MIPS_REG_RS(*relocDataP)]; - - // Check address is valid for relocation - if ((((*regValP << 0x10) + (s16)*relocDataP) & 0x0F000000) == 0) { - relocOffset = ((*regValP << 0x10) + (s16)*relocDataP) - vramu32; - isLoNeg = ((relocOffset + allocu32) & 0x8000) ? 1 : 0; // adjust for signed immediate - unrelocatedAddress = (*luiInstRef << 0x10) + (s16)relocData; - *luiInstRef = - (*luiInstRef & 0xFFFF0000) | ((((relocOffset + allocu32) >> 0x10) & 0xFFFF) + isLoNeg); - relocatedValue = (*relocDataP & 0xFFFF0000) | ((relocOffset + allocu32) & 0xFFFF); - - relocatedAddress = (*luiInstRef << 0x10) + (s16)relocatedValue; - *relocDataP = relocatedValue; - } - break; - } - - dbg = 16; - switch (RELOC_TYPE_MASK(reloc)) { - case R_MIPS_32 << RELOC_TYPE_SHIFT: - dbg += 6; - FALLTHROUGH; - case R_MIPS_26 << RELOC_TYPE_SHIFT: - dbg += 10; - FALLTHROUGH; - case R_MIPS_LO16 << RELOC_TYPE_SHIFT: - if (gOverlayLogSeverity >= 3) { - PRINTF("%02d %08x %08x %08x ", dbg, relocDataP, relocatedValue, relocatedAddress); - PRINTF(" %08x %08x %08x %08x\n", (uintptr_t)relocDataP + vramu32 - allocu32, relocData, - unrelocatedAddress, relocOffset); - } - // Adding a break prevents matching - } - } -} |
