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exo2: implement remainder of warmboot tz code

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Michael Scire 2020-05-13 10:56:07 -07:00 • committed by SciresM
parent 97ab282351
commit ad664daea5
21 changed files with 691 additions and 17 deletions
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89
exosphere2/program/source/secmon_setup.cpp
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@ -16,9 +16,12 @@
#include <exosphere.hpp>
#include "secmon_setup.hpp"
#include "secmon_error.hpp"
#include "secmon_map.hpp"
#include "secmon_cpu_context.hpp"
#include "secmon_interrupt_handler.hpp"
#include "secmon_misc.hpp"
#include "smc/secmon_smc_power_management.hpp"
#include "smc/secmon_smc_se_lock.hpp"
namespace ams::secmon {
@ -887,11 +890,58 @@ namespace ams::secmon {
reg::Read (MC + MC_SMMU_TLB_CONFIG);
}
void ValidateResetExpected() {
/* We're coming out of reset, so check that we expected to come out of reset. */
if (!IsResetExpected()) {
secmon::SetError(pkg1::ErrorInfo_UnexpectedReset);
AMS_ABORT("unexpected reset");
}
SetResetExpected(false);
}
void ActmonInterruptHandler() {
SetError(pkg1::ErrorInfo_ActivityMonitorInterrupt);
AMS_ABORT("actmon observed bpmp wakeup");
}
void ExitChargerHiZMode() {
/* Setup I2c-1. */
pinmux::SetupI2c1();
clkrst::EnableI2c1Clock();
/* Initialize I2c-1. */
i2c::Initialize(i2c::Port_1);
/* Exit Hi-Z mode. */
charger::ExitHiZMode();
/* Disable clock to I2c-1. */
clkrst::DisableI2c1Clock();
}
bool IsExitLp0() {
return reg::Read(MC + MC_SECURITY_CFG3) == 0;
}
void LogExitLp0() {
/* NOTE: Nintendo only does this on dev, but we will always do it. */
if (true /* !pkg1::IsProduction() */) {
log::Initialize();
log::SendText("OHAYO\n", 6);
log::Flush();
}
}
void SetupForLp0Exit() {
/* Exit HiZ mode in charger, if we need to. */
if (smc::IsChargerHiZModeEnabled()) {
ExitChargerHiZMode();
}
/* Unlock the security engine. */
secmon::smc::UnlockSecurityEngine();
}
}
void Setup1() {
@ -908,6 +958,14 @@ namespace ams::secmon {
gic::InitializeCommon();
}
void Setup1ForWarmboot() {
/* Initialize the security engine. */
se::Initialize();
/* Initialize the gic. */
gic::InitializeCommon();
}
void SaveSecurityEngineAesKeySlotTestVector() {
GenerateSecurityEngineAesKeySlotTestVector(g_se_aes_key_slot_test_vector, sizeof(g_se_aes_key_slot_test_vector));
}
@ -1007,7 +1065,36 @@ namespace ams::secmon {
}
void SetupSocSecurityWarmboot() {
/* ... */
/* Check that we're allowed to continue. */
ValidateResetExpected();
/* Unmap the tzram identity mapping. */
UnmapTzram();
/* If we're exiting LP0, there's a little more work for us to do. */
if (IsExitLp0()) {
/* Log that we're exiting LP0. */
LogExitLp0();
/* Perform initial setup. */
Setup1ForWarmboot();
/* Setup the Soc security. */
SetupSocSecurity();
/* Set the PMC and MC as secure-only. */
SetupPmcAndMcSecure();
/* Perform Lp0-exit specific init. */
SetupForLp0Exit();
/* Setup the Soc protections. */
SetupSocProtections();
}
/* Perform remaining CPU initialization. */
SetupCpuCoreContext();
SetupCpuSErrorDebug();
}
void SetupSocProtections() {