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android: Add proper homebrew check

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This commit is contained in:
Charles Lombardo 2023-06-09 16:11:30 -04:00
parent 4d395b3b72
commit 72d9dc9a3f
8 changed files with 51 additions and 13 deletions
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13
src/core/loader/nro.cpp
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@ -33,7 +33,8 @@ static_assert(sizeof(NroSegmentHeader) == 0x8, "NroSegmentHeader has incorrect s
struct NroHeader {
INSERT_PADDING_BYTES(0x4);
u32_le module_header_offset;
INSERT_PADDING_BYTES(0x8);
u32 magic_ext1;
u32 magic_ext2;
u32_le magic;
INSERT_PADDING_BYTES(0x4);
u32_le file_size;
@ -124,6 +125,16 @@ FileType AppLoader_NRO::IdentifyType(const FileSys::VirtualFile& nro_file) {
return FileType::Error;
}
bool AppLoader_NRO::IsHomebrew() {
// Read NSO header
NroHeader nro_header{};
if (sizeof(NroHeader) != file->ReadObject(&nro_header)) {
return false;
}
return nro_header.magic_ext1 == Common::MakeMagic('H', 'O', 'M', 'E') &&
nro_header.magic_ext2 == Common::MakeMagic('B', 'R', 'E', 'W');
}
static constexpr u32 PageAlignSize(u32 size) {
return static_cast<u32>((size + Core::Memory::YUZU_PAGEMASK) & ~Core::Memory::YUZU_PAGEMASK);
}

2
src/core/loader/nro.h
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@ -38,6 +38,8 @@ public:
*/
static FileType IdentifyType(const FileSys::VirtualFile& nro_file);
bool IsHomebrew();
FileType GetFileType() const override {
return IdentifyType(file);
}