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exo2: implement rest of main other than SetupSocProtections

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Michael Scire 2020-05-12 13:27:53 -07:00 • committed by SciresM
parent f391354415
commit 87bdc46beb
18 changed files with 408 additions and 78 deletions
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48
exosphere2/program/source/boot/secmon_main.cpp
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@ -17,11 +17,19 @@
#include "secmon_boot.hpp"
#include "secmon_boot_functions.hpp"
#include "../smc/secmon_random_cache.hpp"
#include "../secmon_setup.hpp"
#include "../secmon_cache.hpp"
#include "../secmon_cpu_context.hpp"
#include "../secmon_misc.hpp"
#include "../secmon_setup.hpp"
namespace ams::secmon {
namespace {
constexpr inline const uintptr_t Package2LoadAddress = MemoryRegionDramPackage2Payloads.GetAddress();
}
void Main() {
/* Set library register addresses. */
/* actmon::SetRegisterAddress(MemoryRegionVirtualDeviceActivityMonitor.GetAddress()); */
@ -122,7 +130,7 @@ namespace ams::secmon {
/* Parse and decrypt the package2 header. */
pkg2::Package2Meta pkg2_meta;
const uintptr_t pkg2_segments_start = MemoryRegionDramPackage2.GetAddress() + sizeof(pkg2::Package2Header);
const uintptr_t pkg2_payloads_start = MemoryRegionDramPackage2.GetAddress() + sizeof(pkg2::Package2Header);
{
/* Read the encrypred header. */
pkg2::Package2Header encrypted_header;
@ -143,8 +151,38 @@ namespace ams::secmon {
secmon::boot::DecryptPackage2Header(std::addressof(pkg2_meta), encrypted_header.meta, !bc.signed_data.IsPackage2EncryptionDisabled());
}
/* TODO */
AMS_UNUSED(pkg2_segments_start);
/* Verify the package2 header. */
secmon::boot::VerifyPackage2Header(pkg2_meta);
/* Save the package2 hash if in recovery boot. */
if (secmon::IsRecoveryBoot()) {
se::Sha256Hash hash;
secmon::boot::CalculatePackage2Hash(std::addressof(hash), pkg2_meta, MemoryRegionDramPackage2.GetAddress());
secmon::SetPackage2Hash(hash);
}
/* Verify the package2 payloads. */
secmon::boot::CheckVerifyResult(secmon::boot::VerifyPackage2Payloads(pkg2_meta, pkg2_payloads_start), pkg1::ErrorInfo_InvalidPackage2Payload, "package2 payload verification failed");
/* Decrypt/Move the package2 payloads to the right places. */
secmon::boot::DecryptAndLoadPackage2Payloads(Package2LoadAddress, pkg2_meta, pkg2_payloads_start, !bc.signed_data.IsPackage2EncryptionDisabled());
/* Ensure that the CPU sees correct package2 data. */
secmon::FlushEntireDataCache();
secmon::EnsureInstructionConsistency();
/* Set the core's entrypoint and argument. */
secmon::SetEntryContext(0, Package2LoadAddress + pkg2_meta.entrypoint, 0);
/* Unmap DRAM. */
secmon::boot::UnmapDram();
/* Wait for NX bootloader to be done. */
secmon::boot::WaitForNxBootloader(secmon_params, pkg1::BootloaderState_Done);
/* Perform final initialization. */
secmon::SetupSocProtections();
secmon::SetupCpuSErrorDebug();
}
}
}