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Match retail z_std_dma.c (#1665)
* Match z_std_dma.c * Fix DmaMgr_Error doc comment * Unindent
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cadmic
GitHub
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2 changed files with 58 additions and 25 deletions
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@ -46,9 +46,11 @@ extern size_t gDmaMgrDmaBuffSize;
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s32 DmaMgr_RequestAsync(DmaRequest* req, void* ram, uintptr_t vrom, size_t size, u32 unk5, OSMesgQueue* queue,
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OSMesg msg);
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s32 DmaMgr_RequestSync(void* ram, uintptr_t vrom, size_t size);
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#if OOT_DEBUG
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s32 DmaMgr_RequestAsyncDebug(DmaRequest* req, void* ram, uintptr_t vrom, size_t size, u32 unk5, OSMesgQueue* queue,
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OSMesg msg, const char* file, s32 line);
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s32 DmaMgr_RequestSyncDebug(void* ram, uintptr_t vrom, size_t size, const char* file, s32 line);
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#endif
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// Special-purpose DMA Requests
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@ -36,12 +36,15 @@ u32 sDmaMgrIsRomCompressed = false;
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// dmadata filenames
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#define DEFINE_DMA_ENTRY(_0, nameString) nameString,
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#if OOT_DEBUG
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const char* sDmaMgrFileNames[] = {
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#include "tables/dmadata_table.h"
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};
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#endif
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#undef DEFINE_DMA_ENTRY
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#if OOT_DEBUG
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/**
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* Compares `str1` and `str2`.
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*
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@ -67,6 +70,7 @@ s32 DmaMgr_StrCmp(const char* str1, const char* str2) {
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}
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return 0;
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}
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#endif
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/**
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* Transfer `size` bytes from physical ROM address `rom` to `ram`.
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@ -86,7 +90,6 @@ s32 DmaMgr_DmaRomToRam(uintptr_t rom, void* ram, size_t size) {
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OSMesg msg;
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s32 ret;
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size_t buffSize = gDmaMgrDmaBuffSize;
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s32 pad[2];
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if (buffSize == 0) {
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buffSize = DMAMGR_DEFAULT_BUFSIZE;
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@ -132,7 +135,9 @@ s32 DmaMgr_DmaRomToRam(uintptr_t rom, void* ram, size_t size) {
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ram = (u8*)ram + buffSize;
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}
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if (1) {} // Also necessary to match
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if (1) { // Also necessary to match
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s32 pad[2];
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}
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ioMsg.hdr.pri = OS_MESG_PRI_NORMAL;
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ioMsg.hdr.retQueue = &queue;
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@ -219,17 +224,18 @@ void DmaMgr_DmaFromDriveRom(void* ram, uintptr_t rom, size_t size) {
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osRecvMesg(&queue, NULL, OS_MESG_BLOCK);
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}
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#if OOT_DEBUG
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/**
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* DMA error encountered, print error messages and bring up the crash screen.
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*
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* @param req DMA Request causing the error.
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* @param file DMA data filename associated with the operation that errored.
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* @param filename DMA data filename associated with the operation that errored.
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* @param errorName Error name string.
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* @param errorDesc Error description string.
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*
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* This function does not return.
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*/
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NORETURN void DmaMgr_Error(DmaRequest* req, const char* file, const char* errorName, const char* errorDesc) {
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NORETURN void DmaMgr_Error(DmaRequest* req, const char* filename, const char* errorName, const char* errorDesc) {
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uintptr_t vrom = req->vromAddr;
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void* ram = req->dramAddr;
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size_t size = req->size;
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@ -241,7 +247,7 @@ NORETURN void DmaMgr_Error(DmaRequest* req, const char* file, const char* errorN
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// "DMA Fatal Error"
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PRINTF("DMA致命的エラー(%s)\nROM:%X RAM:%X SIZE:%X %s\n",
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errorDesc != NULL ? errorDesc : (errorName != NULL ? errorName : "???"), vrom, ram, size,
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file != NULL ? file : "???");
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filename != NULL ? filename : "???");
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if (req->filename != NULL) { // Source file name that issued the DMA request
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PRINTF("DMA ERROR: %s %d", req->filename, req->line);
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@ -259,10 +265,15 @@ NORETURN void DmaMgr_Error(DmaRequest* req, const char* file, const char* errorN
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sprintf(buff1, "DMA ERROR: %s", errorName != NULL ? errorName : "???");
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}
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sprintf(buff2, "%07X %08X %X %s", vrom, ram, size, file != NULL ? file : "???");
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sprintf(buff2, "%07X %08X %X %s", vrom, ram, size, filename != NULL ? filename : "???");
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Fault_AddHungupAndCrashImpl(buff1, buff2);
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}
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#define DMA_ERROR(req, filename, errorName, errorDesc, file, line) DmaMgr_Error(req, filename, errorName, errorDesc)
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#else
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#define DMA_ERROR(req, filename, errorName, errorDesc, file, line) Fault_AddHungupAndCrash(file, line)
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#endif
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/**
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* Searches the filesystem for the entry containing the address `vrom`. Retrieves the name of this entry from
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* the array of file names.
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@ -271,6 +282,7 @@ NORETURN void DmaMgr_Error(DmaRequest* req, const char* file, const char* errorN
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* @return Pointer to associated filename
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*/
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const char* DmaMgr_FindFileName(uintptr_t vrom) {
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#if OOT_DEBUG
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DmaEntry* iter = gDmaDataTable;
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const char** name = sDmaMgrFileNames;
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@ -287,9 +299,13 @@ const char* DmaMgr_FindFileName(uintptr_t vrom) {
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#ifdef AVOID_UB
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return "";
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#endif
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#else
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return NULL;
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#endif
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}
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const char* DmaMgr_GetFileName(uintptr_t vrom) {
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#if OOT_DEBUG
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const char* ret = DmaMgr_FindFileName(vrom);
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if (ret == NULL) {
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@ -302,6 +318,9 @@ const char* DmaMgr_GetFileName(uintptr_t vrom) {
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return NULL;
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}
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return ret;
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#else
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return "";
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#endif
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}
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void DmaMgr_ProcessRequest(DmaRequest* req) {
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@ -314,15 +333,13 @@ void DmaMgr_ProcessRequest(DmaRequest* req) {
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DmaEntry* iter;
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const char* filename;
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if (0) {
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// The string is defined in .rodata but not used, suggesting a debug print is here but was optimized out in
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// some way. The last arg of this print looks like it may be filename, but filename above this block does not
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// match.
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PRINTF("DMA ROM:%08X RAM:%08X SIZE:%08X %s\n");
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}
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#if OOT_DEBUG
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// Get the filename (for debugging)
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filename = DmaMgr_GetFileName(vrom);
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#else
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// An unused empty string is defined in .rodata of retail builds, suggesting it was used near here.
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filename = "";
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#endif
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// Iterate through the DMA data table until the region containing the vrom address for this request is found
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iter = gDmaDataTable;
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@ -330,7 +347,11 @@ void DmaMgr_ProcessRequest(DmaRequest* req) {
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if (vrom >= iter->vromStart && vrom < iter->vromEnd) {
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// Found the region this request falls into
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if (1) {} // Necessary to match
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if (0) {
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// The string is defined in .rodata of debug builds but not used, suggesting a debug print is here
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// but was optimized out in some way.
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PRINTF("DMA ROM:%08X RAM:%08X SIZE:%08X %s\n", vrom, ram, size, filename);
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}
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if (iter->romEnd == 0) {
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// romEnd of 0 indicates that the file is uncompressed. Files that are stored uncompressed can have
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@ -340,8 +361,8 @@ void DmaMgr_ProcessRequest(DmaRequest* req) {
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// Error, vrom + size ends up in a different file than it started in
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// "DMA transfers cannot cross segment boundaries"
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DmaMgr_Error(req, filename, "Segment Alignment Error",
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"セグメント境界をまたがってＤＭＡ転送することはできません");
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DMA_ERROR(req, filename, "Segment Alignment Error",
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"セグメント境界をまたがってＤＭＡ転送することはできません", "../z_std_dma.c", 726);
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}
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DmaMgr_DmaRomToRam(iter->romStart + (vrom - iter->vromStart), ram, size);
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@ -360,16 +381,16 @@ void DmaMgr_ProcessRequest(DmaRequest* req) {
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// Error, requested vrom is not the start of a file
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// "DMA transfer cannot be performed from the middle of a compressed segment"
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DmaMgr_Error(req, filename, "Can't Transfer Segment",
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"圧縮されたセグメントの途中からはＤＭＡ転送することはできません");
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DMA_ERROR(req, filename, "Can't Transfer Segment",
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"圧縮されたセグメントの途中からはＤＭＡ転送することはできません", "../z_std_dma.c", 746);
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}
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if (size != iter->vromEnd - iter->vromStart) {
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// Error, only part of the file was requested
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// "It is not possible to DMA only part of a compressed segment"
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DmaMgr_Error(req, filename, "Can't Transfer Segment",
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"圧縮されたセグメントの一部だけをＤＭＡ転送することはできません");
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DMA_ERROR(req, filename, "Can't Transfer Segment",
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"圧縮されたセグメントの一部だけをＤＭＡ転送することはできません", "../z_std_dma.c", 752);
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}
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// Reduce the thread priority and decompress the file, the decompression routine handles the DMA
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@ -395,7 +416,7 @@ void DmaMgr_ProcessRequest(DmaRequest* req) {
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// Error, rom is compressed so DMA may only be requested within the filesystem bounds
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// "Corresponding data does not exist"
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DmaMgr_Error(req, NULL, "DATA DON'T EXIST", "該当するデータが存在しません");
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DMA_ERROR(req, NULL, "DATA DON'T EXIST", "該当するデータが存在しません", "../z_std_dma.c", 771);
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return;
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} else {
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// ROM is uncompressed, allow arbitrary DMA even if the region is not marked in the filesystem
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@ -460,11 +481,15 @@ s32 DmaMgr_RequestAsync(DmaRequest* req, void* ram, uintptr_t vrom, size_t size,
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OSMesg msg) {
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static s32 sDmaMgrQueueFullLogged = 0;
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if ((1 && (ram == NULL)) || (osMemSize < OS_K0_TO_PHYSICAL(ram) + size) || (vrom & 1) || (vrom > 0x4000000) ||
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#if OOT_DEBUG
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if ((ram == NULL) || (osMemSize < OS_K0_TO_PHYSICAL(ram) + size) || (vrom & 1) || (vrom > 0x4000000) ||
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(size == 0) || (size & 1)) {
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//! @bug `req` is passed to `DmaMgr_Error` without rom, ram and size being set
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DmaMgr_Error(req, NULL, "ILLIGAL DMA-FUNCTION CALL", "パラメータ異常です");
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// The line numbers for `DMA_ERROR` are only used in retail builds, but this usage was removed so
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// its line number is unknown.
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//! @bug `req` is passed to `DMA_ERROR` without rom, ram and size being set
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DMA_ERROR(req, NULL, "ILLIGAL DMA-FUNCTION CALL", "パラメータ異常です", "../z_std_dma.c", 0);
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}
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#endif
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req->vromAddr = vrom;
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req->dramAddr = ram;
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@ -473,6 +498,7 @@ s32 DmaMgr_RequestAsync(DmaRequest* req, void* ram, uintptr_t vrom, size_t size,
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req->notifyQueue = queue;
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req->notifyMsg = msg;
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#if OOT_DEBUG
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if (1 && (sDmaMgrQueueFullLogged == 0) && MQ_IS_FULL(&sDmaMgrMsgQueue)) {
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sDmaMgrQueueFullLogged++;
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PRINTF("%c", BEL);
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@ -483,6 +509,7 @@ s32 DmaMgr_RequestAsync(DmaRequest* req, void* ram, uintptr_t vrom, size_t size,
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952);
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PRINTF(VT_RST);
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}
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#endif
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osSendMesg(&sDmaMgrMsgQueue, (OSMesg)req, OS_MESG_BLOCK);
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return 0;
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@ -523,12 +550,13 @@ void DmaMgr_Init(void) {
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(u32)(_dmadataSegmentRomEnd - _dmadataSegmentRomStart));
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PRINTF("dma_rom_ad[]\n");
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sDmaMgrIsRomCompressed = false;
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#if OOT_DEBUG
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name = sDmaMgrFileNames;
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iter = gDmaDataTable;
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idx = 0;
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// Check if the ROM is compressed (romEnd not 0)
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sDmaMgrIsRomCompressed = false;
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while (iter->vromEnd != 0) {
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if (iter->romEnd != 0) {
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sDmaMgrIsRomCompressed = true;
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@ -545,6 +573,7 @@ void DmaMgr_Init(void) {
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name++;
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}
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}
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#endif
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// Ensure that the boot segment always follows after the makerom segment.
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if ((uintptr_t)_bootSegmentRomStart != gDmaDataTable[0].vromEnd) {
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@ -562,6 +591,7 @@ void DmaMgr_Init(void) {
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osStartThread(&sDmaMgrThread);
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}
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#if OOT_DEBUG
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/**
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* Asynchronous DMA Request with source file and line info for debugging.
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*
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@ -597,3 +627,4 @@ s32 DmaMgr_RequestSyncDebug(void* ram, uintptr_t vrom, size_t size, const char*
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osRecvMesg(&queue, NULL, OS_MESG_BLOCK);
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return 0;
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}
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#endif
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