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exo: use #embed for loader stub

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Michael Scire authored and SciresM committed 2025-05-09 11:55:21 -07:00
1 parent 2c50ef717a
commit 66acab02db
3 files changed
+21 -29
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exosphere/loader_stub/source/secmon_loader_main.cpp
+17 -7
View File
@@ -15,21 +15,31 @@
*/
#include <exosphere.hpp>
#include "secmon_loader_uncompress.hpp"
#include "program_lz4.h"
#include "boot_code_lz4.h"
namespace ams::secmon::loader {
NORETURN void UncompressAndExecute(const void *program, const void *boot_code) {
namespace {
constexpr const u8 SecmonProgramLz4[] = {
#embed <program.lz4>
};
constexpr const u8 SecmonBootCodeLz4[] = {
#embed <boot_code.lz4>
};
}
NORETURN void UncompressAndExecute() {
/* Uncompress the program image. */
Uncompress(secmon::MemoryRegionPhysicalTzramFullProgramImage.GetPointer(), secmon::MemoryRegionPhysicalTzramFullProgramImage.GetSize(), program, program_lz4_size);
Uncompress(secmon::MemoryRegionPhysicalTzramFullProgramImage.GetPointer(), secmon::MemoryRegionPhysicalTzramFullProgramImage.GetSize(), SecmonProgramLz4, sizeof(SecmonProgramLz4));
/* Copy the boot image to the end of IRAM */
u8 *relocated_boot_code = secmon::MemoryRegionPhysicalIramBootCodeImage.GetEndPointer<u8>() - boot_code_lz4_size;
std::memcpy(relocated_boot_code, boot_code, boot_code_lz4_size);
u8 *relocated_boot_code = secmon::MemoryRegionPhysicalIramBootCodeImage.GetEndPointer<u8>() - sizeof(SecmonBootCodeLz4);
std::memcpy(relocated_boot_code, SecmonBootCodeLz4, sizeof(SecmonBootCodeLz4));
/* Uncompress the boot image. */
Uncompress(secmon::MemoryRegionPhysicalIramBootCodeImage.GetPointer(), secmon::MemoryRegionPhysicalIramBootCodeImage.GetSize(), relocated_boot_code, boot_code_lz4_size);
Uncompress(secmon::MemoryRegionPhysicalIramBootCodeImage.GetPointer(), secmon::MemoryRegionPhysicalIramBootCodeImage.GetSize(), relocated_boot_code, sizeof(SecmonBootCodeLz4));
/* Jump to the boot image. */
reinterpret_cast<void (*)()>(secmon::MemoryRegionPhysicalIramBootCodeImage.GetAddress())();