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exo/mariko fatal: halt other cores when beginning fatal program

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Michael Scire 2020-11-19 20:32:21 -08:00 • committed by SciresM
parent 7f1a7cfd2d
commit 45830472c1
10 changed files with 211 additions and 131 deletions
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16
exosphere/program/source/smc/secmon_smc_power_management.cpp
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@ -133,7 +133,7 @@ namespace ams::secmon::smc {
REG_BITS_VALUE(which_core + 0x10, 1, 1)); /* CORERESETn */
}
void PowerOffCpu() {
void PowerOffCpuImpl() {
/* Get the current core id. */
const auto core_id = hw::GetCurrentCoreId();
@ -503,9 +503,7 @@ namespace ams::secmon::smc {
}
SmcResult SmcPowerOffCpu(SmcArguments &args) {
AMS_UNUSED(args);
void PowerOffCpu() {
/* Get the current core id. */
const auto core_id = hw::GetCurrentCoreId();
@ -514,15 +512,21 @@ namespace ams::secmon::smc {
/* If we're on the final core, shut down directly. Otherwise, invoke with special stack. */
if (core_id == NumCores - 1) {
PowerOffCpu();
PowerOffCpuImpl();
} else {
PivotStackAndInvoke(GetCoreExceptionStackVirtual(), PowerOffCpu);
PivotStackAndInvoke(GetCoreExceptionStackVirtual(), PowerOffCpuImpl);
}
/* This code will never be reached. */
__builtin_unreachable();
}
SmcResult SmcPowerOffCpu(SmcArguments &args) {
AMS_UNUSED(args);
PowerOffCpu();
}
SmcResult SmcPowerOnCpu(SmcArguments &args) {
/* Get and validate the core to power on. */
const int which_core = args.r[1];