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conf_sd: introduce dedicated function for loading cardengine binaries
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@lifehackerhansol
lifehackerhansol committed Nov 18, 2024
1 parent a069bba commit d22a418
Showing 1 changed file with 92 additions and 104 deletions.
196 changes: 92 additions & 104 deletions retail/arm9/source/conf_sd.cpp
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
#include <stdlib.h> // strtol
#include <errno.h>
#include <unistd.h>
//#include <stdio.h>
#include <nds.h>
Expand Down Expand Up @@ -310,6 +311,31 @@ static void loadApFix(configuration* conf, const char* bootstrapPath, const char
fclose(file);
}

static int loadCardEngineBinary(const char* cardenginePath, u8* location, bool compressed) {
FILE* cebin = fopen(cardenginePath, "rb");
int size;
if(!cebin) {
return -ENOENT;
}
fseek(cebin, 0, SEEK_END);
size = ftell(cebin);
fseek(cebin, 0, SEEK_SET);
if(compressed) {
if(size <= sizeof_lz77ImageBuffer) {
fread(lz77ImageBuffer, 1, size, cebin);
LZ77_Decompress(lz77ImageBuffer, location);
}
else {
return -ENOMEM;
}
}
else {
fread(location, 1, size, cebin);
}
fclose(cebin);
return 0;
}

static void createRamDumpBin(configuration* conf) {
int ramDumpSize;
if (dsiFeatures() && !conf->b4dsMode)
Expand Down Expand Up @@ -714,6 +740,7 @@ void getIgmStrings(configuration* conf, bool b4ds) {
}

int loadFromSD(configuration* conf, const char *bootstrapPath) {
int rc = 0;
fatMountSimple("sd", &__my_io_dsisd);
fatMountSimple("fat", dldiGetInternal());

Expand Down Expand Up @@ -1484,56 +1511,52 @@ int loadFromSD(configuration* conf, const char *bootstrapPath) {

if (conf->gameOnFlashcard || !conf->isDSiWare) {
// Load external cheat engine binary
cebin = fopen("nitro:/cardenginei_arm7_cheat.bin", "rb");
if (cebin) {
fread((u8*)CHEAT_ENGINE_BUFFERED_LOCATION, 1, 0x400, cebin);
}
fclose(cebin);
loadCardEngineBinary("nitro:/cardenginei_arm7_cheat.bin", (u8*)CHEAT_ENGINE_BUFFERED_LOCATION, false);

if ((unitCode > 0 && conf->dsiMode) || conf->isDSiWare) {
const bool binary3 = (REG_SCFG_EXT7 == 0 ? !dsiEnhancedMbk : (a7mbk6 != 0x00403000));

// Load SDK5 ce7 binary
cebin = fopen(binary3 ? "nitro:/cardenginei_arm7_twlsdk3.lz77" : "nitro:/cardenginei_arm7_twlsdk.lz77", "rb");
if (cebin) {
fread(lz77ImageBuffer, 1, sizeof_lz77ImageBuffer, cebin);
LZ77_Decompress(lz77ImageBuffer, (u8*)CARDENGINEI_ARM7_BUFFERED_LOCATION);
rc = loadCardEngineBinary(
binary3 ? "nitro:/cardenginei_arm7_twlsdk3.lz77" : "nitro:/cardenginei_arm7_twlsdk.lz77",
(u8*)CARDENGINEI_ARM7_BUFFERED_LOCATION,
true
);
if (rc == 0) {
if (REG_SCFG_EXT7 != 0) {
tonccpy((u8*)LOADER_RETURN_SDK5_LOCATION, twlmenuResetGamePath, 256);
}
tonccpy((u8*)LOADER_RETURN_SDK5_LOCATION+0x100, &srBackendId, 8);
}
fclose(cebin);

if (conf->gameOnFlashcard) {
// Load SDK5 DLDI ce9 binary
cebin = fopen(binary3 ? "nitro:/cardenginei_arm9_twlsdk3_dldi.lz77" : "nitro:/cardenginei_arm9_twlsdk_dldi.lz77", "rb");
if (cebin) {
fread(lz77ImageBuffer, 1, sizeof_lz77ImageBuffer, cebin);
LZ77_Decompress(lz77ImageBuffer, (u8*)CARDENGINEI_ARM9_SDK5_BUFFERED_LOCATION);
}
fclose(cebin);
loadCardEngineBinary(
binary3 ? "nitro:/cardenginei_arm9_twlsdk3_dldi.lz77" : "nitro:/cardenginei_arm9_twlsdk_dldi.lz77",
(u8*)CARDENGINEI_ARM9_SDK5_BUFFERED_LOCATION,
true
);
} else {
// Load SDK5 ce9 binary
cebin = fopen(binary3 ? "nitro:/cardenginei_arm9_twlsdk3.lz77" : "nitro:/cardenginei_arm9_twlsdk.lz77", "rb");
if (cebin) {
fread(lz77ImageBuffer, 1, sizeof_lz77ImageBuffer, cebin);
LZ77_Decompress(lz77ImageBuffer, (u8*)CARDENGINEI_ARM9_SDK5_BUFFERED_LOCATION);
}
fclose(cebin);
loadCardEngineBinary(
binary3 ? "nitro:/cardenginei_arm9_twlsdk3.lz77" : "nitro:/cardenginei_arm9_twlsdk.lz77",
(u8*)CARDENGINEI_ARM9_SDK5_BUFFERED_LOCATION,
true
);
}
} else {
// Load ce7 binary
cebin = fopen(dsiEnhancedMbk ? "nitro:/cardenginei_arm7_alt.lz77" : "nitro:/cardenginei_arm7.lz77", "rb");
if (cebin) {
fread(lz77ImageBuffer, 1, sizeof_lz77ImageBuffer, cebin);
LZ77_Decompress(lz77ImageBuffer, (u8*)CARDENGINEI_ARM7_BUFFERED_LOCATION);
rc = loadCardEngineBinary(
dsiEnhancedMbk ? "nitro:/cardenginei_arm7_alt.lz77" : "nitro:/cardenginei_arm7.lz77",
(u8*)CARDENGINEI_ARM7_BUFFERED_LOCATION,
true
);
if (rc == 0) {
if (REG_SCFG_EXT7 != 0) {
tonccpy((u8*)LOADER_RETURN_LOCATION, twlmenuResetGamePath, 256);
}
tonccpy((u8*)LOADER_RETURN_LOCATION+0x100, &srBackendId, 8);
}
fclose(cebin);

const bool dlp = (memcmp(romTid, "HND", 3) == 0);
const bool gsdd = (memcmp(romTid, "BO5", 3) == 0);
Expand All @@ -1545,21 +1568,11 @@ int loadFromSD(configuration* conf, const char *bootstrapPath) {
}

// Load DLDI ce9 binary
cebin = fopen(ce9Path, "rb");
if (cebin) {
fread(lz77ImageBuffer, 1, sizeof_lz77ImageBuffer, cebin);
LZ77_Decompress(lz77ImageBuffer, (u8*)CARDENGINEI_ARM9_BUFFERED_LOCATION);
}
fclose(cebin);
loadCardEngineBinary(ce9Path, (u8*)CARDENGINEI_ARM9_BUFFERED_LOCATION, true);

if (!dlp && !gsdd) {
// Load ce9 binary (SDK 2.0)
cebin = fopen("nitro:/cardenginei_arm9_sdk20_dldi.lz77", "rb");
if (cebin) {
fread(lz77ImageBuffer, 1, sizeof_lz77ImageBuffer, cebin);
LZ77_Decompress(lz77ImageBuffer, (u8*)CARDENGINEI_ARM9_BUFFERED_LOCATION2);
}
fclose(cebin);
loadCardEngineBinary("nitro:/cardenginei_arm9_sdk20_dldi.lz77", (u8*)CARDENGINEI_ARM9_BUFFERED_LOCATION2, true);
}
} else {
const char* ce9Path = "nitro:/cardenginei_arm9.lz77";
Expand All @@ -1570,21 +1583,11 @@ int loadFromSD(configuration* conf, const char *bootstrapPath) {
}

// Load ce9 binary
cebin = fopen(ce9Path, "rb");
if (cebin) {
fread(lz77ImageBuffer, 1, sizeof_lz77ImageBuffer, cebin);
LZ77_Decompress(lz77ImageBuffer, (u8*)CARDENGINEI_ARM9_BUFFERED_LOCATION);
}
fclose(cebin);
loadCardEngineBinary(ce9Path, (u8*)CARDENGINEI_ARM9_BUFFERED_LOCATION, true);

if (!dlp && !gsdd) {
// Load ce9 binary (SDK 2.0)
cebin = fopen("nitro:/cardenginei_arm9_sdk20.lz77", "rb");
if (cebin) {
fread(lz77ImageBuffer, 1, sizeof_lz77ImageBuffer, cebin);
LZ77_Decompress(lz77ImageBuffer, (u8*)CARDENGINEI_ARM9_BUFFERED_LOCATION2);
}
fclose(cebin);
loadCardEngineBinary("nitro:/cardenginei_arm9_sdk20.lz77", (u8*)CARDENGINEI_ARM9_BUFFERED_LOCATION2, true);
}
}
}
Expand Down Expand Up @@ -1623,31 +1626,27 @@ int loadFromSD(configuration* conf, const char *bootstrapPath) {
const bool binary3 = (REG_SCFG_EXT7 == 0 ? !dsiEnhancedMbk : (a7mbk6 != 0x00403000));

// Load ce7 binary
cebin = fopen(binary3 ? "nitro:/cardenginei_arm7_dsiware3.lz77" : "nitro:/cardenginei_arm7_dsiware.lz77", "rb");
if (cebin) {
fread(lz77ImageBuffer, 1, sizeof_lz77ImageBuffer, cebin);
LZ77_Decompress(lz77ImageBuffer, (u8*)CARDENGINEI_ARM7_BUFFERED_LOCATION);
rc = loadCardEngineBinary(
binary3 ? "nitro:/cardenginei_arm7_dsiware3.lz77" : "nitro:/cardenginei_arm7_dsiware.lz77",
(u8*)CARDENGINEI_ARM7_BUFFERED_LOCATION,
true
);
if (rc == 0) {
if (REG_SCFG_EXT7 != 0) {
tonccpy((u8*)LOADER_RETURN_DSIWARE_LOCATION, twlmenuResetGamePath, 256);
}
tonccpy((u8*)LOADER_RETURN_DSIWARE_LOCATION+0x100, &srBackendId, 8);
}
fclose(cebin);

// Load external cheat engine binary
cebin = fopen("nitro:/cardenginei_arm7_cheat.bin", "rb");
if (cebin) {
fread((u8*)CHEAT_ENGINE_BUFFERED_LOCATION, 1, 0x400, cebin);
}
fclose(cebin);
loadCardEngineBinary("nitro:/cardenginei_arm7_cheat.bin", (u8*)CHEAT_ENGINE_BUFFERED_LOCATION, false);

// Load ce9 binary
cebin = fopen(binary3 ? "nitro:/cardenginei_arm9_dsiware3.lz77" : "nitro:/cardenginei_arm9_dsiware.lz77", "rb");
if (cebin) {
fread(lz77ImageBuffer, 1, sizeof_lz77ImageBuffer, cebin);
LZ77_Decompress(lz77ImageBuffer, (u8*)CARDENGINEI_ARM9_BUFFERED_LOCATION);
}
fclose(cebin);
loadCardEngineBinary(
binary3 ? "nitro:/cardenginei_arm9_dsiware3.lz77" : "nitro:/cardenginei_arm9_dsiware.lz77",
(u8*)CHEAT_ENGINE_BUFFERED_LOCATION,
false
);

bool found = (access(pageFilePath.c_str(), F_OK) == 0);
if (!found) {
Expand All @@ -1668,15 +1667,10 @@ int loadFromSD(configuration* conf, const char *bootstrapPath) {
}

// Load in-game menu ce9 binary
cebin = fopen("nitro:/cardenginei_arm9_igm.lz77", "rb");
if (cebin) {
fread(lz77ImageBuffer, 1, sizeof_lz77ImageBuffer, cebin);
LZ77_Decompress(lz77ImageBuffer, (u8*)igmText);

rc = loadCardEngineBinary("nitro:/cardenginei_arm9_igm.lz77", (u8*)igmText, false);
if (rc == 0) {
getIgmStrings(conf, false);

fclose(cebin);

screenshotPath = "sd:/_nds/nds-bootstrap/screenshots.tar";
if (conf->bootstrapOnFlashcard) {
screenshotPath = "fat:/_nds/nds-bootstrap/screenshots.tar";
Expand Down Expand Up @@ -1923,24 +1917,16 @@ int loadFromSD(configuration* conf, const char *bootstrapPath) {
conf->donorFileSize = getFileSize("fat:/_nds/nds-bootstrap/b4dsTwlDonor.bin");

// Load external cheat engine binary
cebin = fopen("nitro:/cardenginei_arm7_cheat.bin", "rb");
if (cebin) {
fread((u8*)CHEAT_ENGINE_LOCATION_B4DS_BUFFERED, 1, 0x400, cebin);
}
fclose(cebin);
loadCardEngineBinary("nitro:/cardenginei_arm7_cheat.bin", (u8*)CHEAT_ENGINE_LOCATION_B4DS_BUFFERED, false);

// Load ce7 binary
if (strncmp(romTid, "KWY", 3) == 0 // Mighty Milky Way
|| strncmp(romTid, "KS3", 3) == 0 // Shantae: Risky's Revenge
) {
cebin = fopen("nitro:/cardengine_arm7_music.bin", "rb");
loadCardEngineBinary("nitro:/cardengine_arm7_music.bin", (u8*)CARDENGINE_ARM7_LOCATION_BUFFERED, false);
} else {
cebin = fopen("nitro:/cardengine_arm7.bin", "rb");
loadCardEngineBinary("nitro:/cardengine_arm7.bin", (u8*)CARDENGINE_ARM7_LOCATION_BUFFERED, false);
}
if (cebin) {
fread((u8*)CARDENGINE_ARM7_LOCATION_BUFFERED, 1, 0x1000, cebin);
}
fclose(cebin);

bool found = (access(pageFilePath.c_str(), F_OK) == 0);
if (!found) {
Expand Down Expand Up @@ -1974,17 +1960,16 @@ int loadFromSD(configuration* conf, const char *bootstrapPath) {
}

// Load in-game menu ce9 binary
cebin = fopen(b4dsDebugRam ? "nitro:/cardengine_arm9_igm_extmem.lz77" : "nitro:/cardengine_arm9_igm.lz77", "rb");
if (cebin) {
rc = loadCardEngineBinary(
b4dsDebugRam ? "nitro:/cardengine_arm9_igm_extmem.lz77" : "nitro:/cardengine_arm9_igm.lz77",
b4dsDebugRam ? (u8*)INGAME_MENU_LOCATION_B4DS_EXTMEM : (u8*)INGAME_MENU_LOCATION_B4DS,
true
);
if (rc == 0) {
igmText = (struct IgmText *)(b4dsDebugRam ? INGAME_MENU_LOCATION_B4DS_EXTMEM : INGAME_MENU_LOCATION_B4DS);

fread(lz77ImageBuffer, 1, sizeof_lz77ImageBuffer, cebin);
LZ77_Decompress(lz77ImageBuffer, (u8*)igmText);

getIgmStrings(conf, true);

fclose(cebin);

screenshotPath = "fat:/_nds/nds-bootstrap/screenshots.tar";

if (getFileSize(screenshotPath.c_str()) < 0x4BCC00) {
Expand Down Expand Up @@ -2178,20 +2163,28 @@ int loadFromSD(configuration* conf, const char *bootstrapPath) {
if (b4dsDebugRam) {
if (!startMultibootSrl && ((accessControl & BIT(4)) || (a7mbk6 == 0x080037C0 && ndsArm9Offset >= 0x02004000))) {
if (foto) {
cebin = fopen("nitro:/cardengine_arm9_extmem_foto.lz77", "rb");
loadCardEngineBinary("nitro:/cardengine_arm9_extmem_foto.lz77", (u8*)CARDENGINE_ARM9_LOCATION_BUFFERED, true);
} else {
cebin = fopen(ndsArm9Offset >= 0x02004000 ? "nitro:/cardengine_arm9_extmem_start.lz77" : "nitro:/cardengine_arm9_extmem.lz77", "rb");
loadCardEngineBinary(
ndsArm9Offset >= 0x02004000 ? "nitro:/cardengine_arm9_extmem_start.lz77" : "nitro:/cardengine_arm9_extmem.lz77",
(u8*)CARDENGINE_ARM9_LOCATION_BUFFERED,
true
);
}
} else if (gsdd) {
cebin = fopen("nitro:/cardengine_arm9_extmem_gsdd.lz77", "rb");
loadCardEngineBinary("nitro:/cardengine_arm9_extmem_gsdd.lz77", (u8*)CARDENGINE_ARM9_LOCATION_BUFFERED, true);
} else {
cebin = fopen("nitro:/cardengine_arm9_extmem.lz77", "rb");
loadCardEngineBinary("nitro:/cardengine_arm9_extmem.lz77", (u8*)CARDENGINE_ARM9_LOCATION_BUFFERED, true);
}
} else if (!startMultibootSrl && ((accessControl & BIT(4)) || (a7mbk6 == 0x080037C0 && ndsArm9Offset >= 0x02004000) || strncmp(romTid, "AP2", 3) == 0 || strncmp(romTid, "VSO", 3) == 0)) {
if (foto) {
cebin = fopen("nitro:/cardengine_arm9_start_foto.lz77", "rb");
loadCardEngineBinary("nitro:/cardengine_arm9_start_foto.lz77", (u8*)CARDENGINE_ARM9_LOCATION_BUFFERED, true);
} else {
cebin = fopen(ndsArm9Offset >= 0x02004000 ? "nitro:/cardengine_arm9_start.lz77" : (io_dldi_data->driverSize >= 0x0E) ? "nitro:/cardengine_arm9_32.lz77" : "nitro:/cardengine_arm9.lz77", "rb");
loadCardEngineBinary(
ndsArm9Offset >= 0x02004000 ? "nitro:/cardengine_arm9_start.lz77" : (io_dldi_data->driverSize >= 0x0E) ? "nitro:/cardengine_arm9_32.lz77" : "nitro:/cardengine_arm9.lz77",
(u8*)CARDENGINE_ARM9_LOCATION_BUFFERED,
true
);
}
} else {
const char* ce9path = gsdd ? "nitro:/cardengine_arm9_alt_gsdd.lz77" : "nitro:/cardengine_arm9_alt.lz77";
Expand Down Expand Up @@ -2252,13 +2245,8 @@ int loadFromSD(configuration* conf, const char *bootstrapPath) {

fclose(ndsFile);
}
cebin = fopen(ce9path, "rb");
loadCardEngineBinary(ce9path, (u8*)CARDENGINE_ARM9_LOCATION_BUFFERED, true);
}
if (cebin) {
fread(lz77ImageBuffer, 1, sizeof_lz77ImageBuffer, cebin);
LZ77_Decompress(lz77ImageBuffer, (u8*)CARDENGINE_ARM9_LOCATION_BUFFERED);
}
fclose(cebin);

// Load DS blowfish
cebin = fopen("nitro:/encr_data.bin", "rb");
Expand Down

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