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kern/ldr: move crt0 into .rodata

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Michael Scire 2023-10-11 02:59:41 -07:00 • committed by SciresM
parent 4ca3c44e5f
commit 0daef4a6e8
7 changed files with 220 additions and 90 deletions
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18
fusee/program/source/fusee_stratosphere.cpp
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@ -24,6 +24,9 @@ namespace ams::nxboot {
namespace {
constexpr u32 MesoshereMetadataLayout0Magic = util::FourCC<'M','S','S','0'>::Code;
constexpr u32 MesoshereMetadataLayout1Magic = util::FourCC<'M','S','S','1'>::Code;
struct InitialProcessBinaryHeader {
static constexpr u32 Magic = util::FourCC<'I','N','I','1'>::Code;
@ -1011,7 +1014,20 @@ namespace ams::nxboot {
}
/* Set the embedded ini pointer. */
std::memcpy(payload_data + 8, std::addressof(meso_size), sizeof(meso_size));
const u32 magic = *reinterpret_cast<const u32 *>(payload_data + 4);
if (magic == MesoshereMetadataLayout0Magic) {
std::memcpy(payload_data + 8, std::addressof(meso_size), sizeof(meso_size));
} else if (magic == MesoshereMetadataLayout1Magic) {
if (const u32 meta_offset = *reinterpret_cast<const u32 *>(payload_data + 8); meta_offset <= meso_size - sizeof(meso_size)) {
s64 relative_offset = meso_size - meta_offset;
std::memcpy(payload_data + meta_offset, std::addressof(relative_offset), sizeof(relative_offset));
} else {
ShowFatalError("Invalid mesosphere metadata layout!\n");
}
} else {
ShowFatalError("Unknown mesosphere metadata version!\n");
}
/* Get the ini pointer. */
InitialProcessBinaryHeader * const ini = reinterpret_cast<InitialProcessBinaryHeader *>(payload_data + meso_size);