mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-11-09 22:56:35 +00:00
exo: shuffle logic around to support debug code region in iram
This commit is contained in:
parent
ee3a7e7740
commit
2ef41f0027
11 changed files with 86 additions and 43 deletions
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@ -5,7 +5,7 @@ define ATMOSPHERE_ADD_TARGET
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ATMOSPHERE_BUILD_CONFIGS += $(strip $1)
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$(strip $1): exosphere$(strip $2).bin warmboot/warmboot$(strip $2).bin
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$(strip $1): exosphere$(strip $2).bin check_warmboot_$(strip $1)
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@cp warmboot/warmboot$(strip $2).bin warmboot$(strip $2).bin
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exosphere$(strip $2).bin: loader_stub/loader_stub$(strip $2).bin
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@ -13,10 +13,13 @@ exosphere$(strip $2).bin: loader_stub/loader_stub$(strip $2).bin
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@printf LENY >> exosphere$(strip $2).bin
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@echo "Built exosphere$(strip $2).bin..."
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warmboot/warmboot$(strip $2).bin:
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check_program_$(strip $1):
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@$$(MAKE) -C program $(strip $1)
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check_warmboot_$(strip $1):
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@$$(MAKE) -C warmboot $(strip $1)
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loader_stub/loader_stub$(strip $2).bin:
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loader_stub/loader_stub$(strip $2).bin: check_program_$(strip $1)
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@$$(MAKE) -C loader_stub $(strip $1)
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clean-$(strip $1): clean-program-$(strip $1) clean-loader_stub-$(strip $1) clean-warmboot-$(strip $1)
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@ -49,4 +52,4 @@ clean-loader_stub:
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clean-warmboot:
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@$(MAKE) -C warmboot clean
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.PHONY: all clean clean-program clean-loader_stub clean-warmboot $(foreach config,$(ATMOSPHERE_BUILD_CONFIGS),clean-$(config) clean-program-$(config) clean-loader_stub-$(config) clean-warmboot-$(config))
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.PHONY: all clean clean-program clean-loader_stub clean-warmboot $(foreach config,$(ATMOSPHERE_BUILD_CONFIGS),check_program_$(config) check_warmboot_$(strip $1) clean-$(config) clean-program-$(config) clean-loader_stub-$(config) clean-warmboot-$(config))
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@ -32,7 +32,6 @@ namespace ams::secmon::loader {
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/* Uncompress the boot image. */
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Uncompress(secmon::MemoryRegionPhysicalIramBootCodeImage.GetPointer(), secmon::MemoryRegionPhysicalIramBootCodeImage.GetSize(), relocated_boot_code, boot_code_lz4_size);
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/* Jump to the boot image. */
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reinterpret_cast<void (*)()>(secmon::MemoryRegionPhysicalIramBootCodeImage.GetAddress())();
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@ -5,7 +5,8 @@ MEMORY
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{
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NULL : ORIGIN = 0, LENGTH = 4K
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unused_region : ORIGIN = 0x1000, LENGTH = 4K
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iram_boot_code : ORIGIN = 0x040032000, LENGTH = 48K
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iram_boot_code : ORIGIN = 0x040032000, LENGTH = 4K
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iram_boot_keys : ORIGIN = 0x040033000, LENGTH = 4K
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tzram : ORIGIN = 0x07C010000, LENGTH = 64K
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/* Warmboot code follows the vectors in memory. */
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@ -13,9 +14,10 @@ MEMORY
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warmboot_text : ORIGIN = ORIGIN(tzram) + 10K, LENGTH = 2K
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main : ORIGIN = 0x1F00C0000, LENGTH = 48K
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tzram_boot : ORIGIN = 0x1F01C0000, LENGTH = 8K
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debug_code : ORIGIN = 0x1F0150000, LENGTH = 16K
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tzram_boot : ORIGIN = 0x1F01C0800, LENGTH = 6K
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glob : ORIGIN = 0x040032000, LENGTH = 64K
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glob : ORIGIN = 0x040032000, LENGTH = 128K
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}
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SECTIONS
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@ -85,19 +87,30 @@ SECTIONS
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KEEP (*(.dtors))
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} >iram_boot_code AT>glob
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__bootcode_end__ = ABSOLUTE(.);
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__program_start__ = ABSOLUTE(.);
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.tzram_boot_volatile_data : {
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KEEP (*(.volatile_keys .volatile_keys.*))
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} >tzram_boot AT>glob
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.tzram_boot_volatile_data.fill : {
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.boot_code.fill : {
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FILL(0x00000000);
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. = ORIGIN(tzram_boot) + 0x7FF;
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. = ORIGIN(iram_boot_code) + 0xFFF;
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BYTE(0x00);
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} >tzram_boot AT>glob
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} >iram_boot_code AT>glob
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.boot_code_volatile_keys : {
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KEEP (*(.volatile_keys .volatile_keys.*))
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} >iram_boot_keys AT>glob
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.boot_keys.fill : {
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FILL(0x00000000);
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. = ORIGIN(iram_boot_keys) + 0xFFF;
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BYTE(0x00);
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} >iram_boot_keys AT>glob
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.debug_code : {
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KEEP (*(.text._ZN3ams3log6PrintfEPKcz .text._ZN3ams3log7VPrintfEPKcSt9__va_list .text._ZN3ams3log4DumpEPKvm))
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KEEP (*(.text._ZN3ams4util10TVSNPrintfEPcmPKcSt9__va_list .text._ZN3ams4util12_GLOBAL__N_114TVSNPrintfImplEPcmPKcSt9__va_list .text._ZZN3ams4util12_GLOBAL__N_114TVSNPrintfImplEPcmPKcSt9__va_listENKUlbmE3_clEbm))
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} >debug_code AT>glob
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__bootcode_end__ = ABSOLUTE(.) - ORIGIN(debug_code) + 0x40034000;
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__program_start__ = __bootcode_end__;
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.tzram_boot_code :
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{
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@ -147,7 +160,6 @@ SECTIONS
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. = ALIGN(0x100);
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} >main AT>glob
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.warmboot :
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{
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KEEP (*(.warmboot.text.start)) /* Should be first */
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@ -49,9 +49,19 @@ namespace ams::secmon::boot {
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}
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}
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void ClearIram() {
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void ClearIramBootCode() {
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/* Clear the boot code image from where it was loaded in IRAM. */
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util::ClearMemory(MemoryRegionPhysicalIramBootCodeImage.GetPointer(), MemoryRegionPhysicalIramBootCodeImage.GetSize());
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util::ClearMemory(MemoryRegionPhysicalIramBootCodeCode.GetPointer(), MemoryRegionPhysicalIramBootCodeCode.GetSize());
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}
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void ClearIramBootKeys() {
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/* Clear the boot keys from where they were loaded in IRAM. */
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util::ClearMemory(MemoryRegionPhysicalIramBootCodeKeys.GetPointer(), MemoryRegionPhysicalIramBootCodeKeys.GetSize());
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}
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void ClearIramDebugCode() {
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/* Clear the boot code image from where it was loaded in IRAM. */
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util::ClearMemory(MemoryRegionPhysicalDebugCode.GetPointer(), MemoryRegionPhysicalDebugCode.GetSize());
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}
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void WaitForNxBootloader(const pkg1::SecureMonitorParameters ¶ms, pkg1::BootloaderState state) {
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@ -18,7 +18,9 @@
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namespace ams::secmon::boot {
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void ClearIram();
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void ClearIramBootCode();
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void ClearIramBootKeys();
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void ClearIramDebugCode();
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void WaitForNxBootloader(const pkg1::SecureMonitorParameters ¶ms, pkg1::BootloaderState state);
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@ -70,7 +70,12 @@ namespace ams::secmon {
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secmon::SetupCpuCoreContext();
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/* Clear the crt0 code that was present in iram. */
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secmon::boot::ClearIram();
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secmon::boot::ClearIramBootCode();
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/* Clear the debug code from iram, if we're not in debug config. */
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#if !defined(AMS_BUILD_FOR_DEBUGGING) && !defined(AMS_BUILD_FOR_AUDITING)
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secmon::boot::ClearIramDebugCode();
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#endif
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/* Alert the bootloader that we're initialized. */
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secmon_params.secmon_state = pkg1::SecureMonitorState_Initialized;
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@ -117,9 +122,6 @@ namespace ams::secmon {
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std::memcpy(dst, src, size);
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}
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/* Unmap the identity mapping. */
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secmon::boot::UnmapPhysicalIdentityMapping();
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/* Setup the GPU carveout's magic numbers. */
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secmon::boot::WriteGpuCarveoutMagicNumbers();
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@ -172,6 +174,12 @@ namespace ams::secmon {
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/* Set the core's entrypoint and argument. */
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secmon::SetEntryContext(0, Package2LoadAddress + pkg2_meta.entrypoint, 0);
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/* Clear the boot keys from iram. */
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secmon::boot::ClearIramBootKeys();
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/* Unmap the identity mapping. */
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secmon::boot::UnmapPhysicalIdentityMapping();
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/* Unmap DRAM. */
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secmon::boot::UnmapDram();
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@ -17,6 +17,7 @@ def split_binary(data):
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assert D == 0xDDDDDDDDDDDDDDDD
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data = data[0x40:]
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#print ('%X %X %X %X' % (START, BOOT_CODE_START, BOOT_CODE_END, PROGRAM_START))
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boot_code = data[BOOT_CODE_START - START:BOOT_CODE_END - BOOT_CODE_START]
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program = data[PROGRAM_START - START:]
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return [('boot_code%s.lz4', lz4_compress(boot_code)), ('program%s.lz4', lz4_compress(program))]
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@ -224,7 +224,7 @@ namespace ams::secmon {
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static_assert(MemoryRegionVirtual.Contains(MemoryRegionVirtualIramSc7Firmware));
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static_assert(MemoryRegionPhysicalIram.Contains(MemoryRegionPhysicalIramSc7Firmware));
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constexpr inline const MemoryRegion MemoryRegionPhysicalIramSecureMonitorDebug(UINT64_C(0x40030000), 0x8000);
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constexpr inline const MemoryRegion MemoryRegionPhysicalIramSecureMonitorDebug(UINT64_C(0x40034000), 0x4000);
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static_assert(MemoryRegionPhysicalIram.Contains(MemoryRegionPhysicalIramSecureMonitorDebug));
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constexpr inline const MemoryRegion MemoryRegionVirtualDebugCode = MemoryRegion(UINT64_C(0x1F0150000), 0x4000);
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@ -289,7 +289,6 @@ namespace ams::secmon {
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static_assert(MemoryRegionVirtual.Contains(MemoryRegionVirtualTzramConfigurationData));
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static_assert(MemoryRegionPhysicalTzramNonVolatile.Contains(MemoryRegionPhysicalTzramConfigurationData));
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constexpr inline const MemoryRegion MemoryRegionVirtualTzramL1PageTable = MemoryRegion(UINT64_C(0x1F01FCFC0), 0x40);
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constexpr inline const MemoryRegion MemoryRegionPhysicalTzramL1PageTable = MemoryRegion( UINT64_C(0x7C01EFC0), 0x40);
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static_assert(MemoryRegionPhysicalTzramConfigurationData.Contains(MemoryRegionPhysicalTzramL1PageTable));
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@ -299,8 +298,11 @@ namespace ams::secmon {
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static_assert(MemoryRegionVirtual.Contains(MemoryRegionVirtualTzramL2L3PageTable));
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static_assert(MemoryRegionPhysicalTzramNonVolatile.Contains(MemoryRegionPhysicalTzramL2L3PageTable));
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constexpr inline const MemoryRegion MemoryRegionPhysicalTzramFullProgramImage = MemoryRegion(UINT64_C(0x7C010000), 0xE000);
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constexpr inline const MemoryRegion MemoryRegionPhysicalIramBootCodeImage = MemoryRegion(UINT64_C(0x40032000), 0xC000);
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constexpr inline const MemoryRegion MemoryRegionPhysicalTzramFullProgramImage = MemoryRegion(UINT64_C(0x7C010800), 0xD800);
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constexpr inline const MemoryRegion MemoryRegionPhysicalIramBootCodeImage = MemoryRegion(UINT64_C(0x40032000), 0x6000);
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constexpr inline const MemoryRegion MemoryRegionPhysicalIramBootCodeCode = MemoryRegion(UINT64_C(0x40032000), 0x1000);
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constexpr inline const MemoryRegion MemoryRegionPhysicalIramBootCodeKeys = MemoryRegion(UINT64_C(0x40033000), 0x1000);
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constexpr inline const MemoryRegion MemoryRegionPhysicalIramWarmbootBin = MemoryRegion(UINT64_C(0x4003E000), 0x17F0);
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constexpr inline const MemoryRegion MemoryRegionPhysicalIramBootConfig = MemoryRegion(UINT64_C(0x4003F800), 0x400);
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@ -30,17 +30,19 @@ namespace ams::secmon {
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u8 package2_dev_rsa_modulus[0x100];
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u8 package2_prod_rsa_modulus[0x100];
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u8 package2_aes_key[0x10];
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u8 padding[0xCF0];
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};
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static_assert(util::is_pod<VolatileKeys>::value);
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static_assert(sizeof(VolatileKeys) == 0x1000);
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/* Nintendo uses the bottom 0x740 of this as a stack for warmboot setup, and another 0x740 for the core 0/1/2 SMC stacks. */
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/* This is...wasteful. The warmboot stack is not deep. We will thus save 1K+ of nonvolatile storage by keeping the random cache in here. */
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struct VolatileData {
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u8 se_work_block[crypto::AesEncryptor128::BlockSize];
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union {
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u8 random_cache[0x400];
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VolatileKeys keys;
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pkg2::Package2Meta pkg2_meta;
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};
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u8 se_work_block[crypto::AesEncryptor128::BlockSize];
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u8 reserved_danger_zone[0x30]; /* This memory is "available", but careful consideration must be taken before declaring it used. */
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u8 warmboot_stack[0x380];
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u8 core012_smc_stack[0x6C0];
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@ -48,8 +50,6 @@ namespace ams::secmon {
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};
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static_assert(util::is_pod<VolatileData>::value);
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static_assert(sizeof(VolatileData) == 0x1000);
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static_assert(sizeof(VolatileKeys{}.boot_config_rsa_modulus) == sizeof(pkg2::Package2Meta));
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static_assert(offsetof(VolatileData, keys.boot_config_rsa_modulus) == offsetof(VolatileData, pkg2_meta));
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ALWAYS_INLINE VolatileData &GetVolatileData() {
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return *MemoryRegionVirtualTzramVolatileData.GetPointer<VolatileData>();
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@ -69,17 +69,21 @@ namespace ams::secmon {
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namespace boot {
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ALWAYS_INLINE VolatileKeys &GetVolatileKeys() {
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return *MemoryRegionPhysicalIramBootCodeKeys.GetPointer<VolatileKeys>();
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}
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ALWAYS_INLINE const u8 *GetBootConfigRsaModulus() {
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return GetVolatileData().keys.boot_config_rsa_modulus;
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return GetVolatileKeys().boot_config_rsa_modulus;
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}
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ALWAYS_INLINE const u8 *GetPackage2RsaModulus(bool is_prod) {
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auto &volatile_data = GetVolatileData();
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return is_prod ? volatile_data.keys.package2_prod_rsa_modulus : volatile_data.keys.package2_dev_rsa_modulus;
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auto &keys = GetVolatileKeys();
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return is_prod ? keys.package2_prod_rsa_modulus : keys.package2_dev_rsa_modulus;
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}
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ALWAYS_INLINE const u8 *GetPackage2AesKey() {
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return GetVolatileData().keys.package2_aes_key;
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return GetVolatileKeys().package2_aes_key;
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}
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ALWAYS_INLINE pkg2::Package2Meta &GetEphemeralPackage2Meta() {
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@ -25,7 +25,8 @@ namespace ams::mitm::bpc {
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constexpr uintptr_t IramBase = 0x40000000ull;
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constexpr uintptr_t IramPayloadBase = 0x40010000ull;
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constexpr size_t IramSize = 0x40000;
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constexpr size_t IramPayloadMaxSize = 0x20000;
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constexpr size_t IramPayloadMaxSize = 0x24000;
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constexpr size_t IramFatalErrorContextOffset = 0x2E000;
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/* Helper enum. */
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enum class RebootType : u32 {
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@ -64,7 +65,7 @@ namespace ams::mitm::bpc {
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if (ctx != nullptr) {
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std::memset(g_work_page, 0xCC, sizeof(g_work_page));
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std::memcpy(g_work_page, ctx, sizeof(*ctx));
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exosphere::CopyToIram(IramPayloadBase + IramPayloadMaxSize, g_work_page, sizeof(g_work_page));
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exosphere::CopyToIram(IramPayloadBase + IramFatalErrorContextOffset, g_work_page, sizeof(g_work_page));
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}
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exosphere::ForceRebootToIramPayload();
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@ -26,7 +26,8 @@ namespace ams::boot {
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constexpr uintptr_t IramBase = 0x40000000ull;
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constexpr uintptr_t IramPayloadBase = 0x40010000ull;
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constexpr size_t IramSize = 0x40000;
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constexpr size_t IramPayloadMaxSize = 0x20000;
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constexpr size_t IramPayloadMaxSize = 0x24000;
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constexpr size_t IramFatalErrorContextOffset = 0x2E000;
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/* Globals. */
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alignas(os::MemoryPageSize) u8 g_work_page[os::MemoryPageSize];
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if (ctx != nullptr) {
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std::memset(g_work_page, 0xCC, sizeof(g_work_page));
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std::memcpy(g_work_page, ctx, sizeof(*ctx));
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exosphere::CopyToIram(IramPayloadBase + IramPayloadMaxSize, g_work_page, sizeof(g_work_page));
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exosphere::CopyToIram(IramPayloadBase + IramFatalErrorContextOffset, g_work_page, sizeof(g_work_page));
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}
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exosphere::ForceRebootToIramPayload();
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