LowLevel/Luma3DS-3GX
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Minor stuff

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Aurora 2016-10-16 04:03:00 +02:00
parent 62f7a06192
commit 1e39c999f9
1 changed files with 4 additions and 2 deletions
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6
source/firm.c
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@ -288,6 +288,7 @@ static inline void copySection0AndInjectSystemModules(FirmwareType firmType, boo
u32 maxModuleSize = firmType == NATIVE_FIRM ? 0x80000 : 0x600000,
srcModuleSize,
dstModuleSize;
const char *extModuleSizeError = "The external FIRM modules are too large.";
for(u8 *src = (u8 *)firm + firm->section[0].offset, *srcEnd = src + firm->section[0].size, *dst = firm->section[0].address;
src < srcEnd; src += srcModuleSize, dst += dstModuleSize, maxModuleSize -= dstModuleSize)
@ -312,8 +313,9 @@ static inline void copySection0AndInjectSystemModules(FirmwareType firmType, boo
if(dstModuleSize == 0) loadedModule = false;
else
{
if(dstModuleSize > maxModuleSize) error(extModuleSizeError);
if(dstModuleSize <= sizeof(Cxi) + 0x200 ||
dstModuleSize > maxModuleSize ||
fileRead(dst, fileName, dstModuleSize) != dstModuleSize ||
memcmp(((Cxi *)dst)->ncch.magic, "NCCH", 4) != 0 ||
memcmp(moduleName, ((Cxi *)dst)->exHeader.systemControlInfo.appTitle, sizeof(((Cxi *)dst)->exHeader.systemControlInfo.appTitle)) != 0)
@ -338,7 +340,7 @@ static inline void copySection0AndInjectSystemModules(FirmwareType firmType, boo
dstModuleSize = srcModuleSize;
}
if(dstModuleSize > maxModuleSize) error("The FIRM modules section is full.");
if(dstModuleSize > maxModuleSize) error(extModuleSizeError);
memcpy(dst, module, dstModuleSize);
}