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

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This commit is contained in:
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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38
exosphere/program/source/secmon_setup.cpp
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@@ -18,6 +18,7 @@
#include "secmon_error.hpp"
#include "secmon_map.hpp"
#include "secmon_cpu_context.hpp"
#include "secmon_mariko_fatal_error.hpp"
#include "secmon_interrupt_handler.hpp"
#include "secmon_misc.hpp"
#include "smc/secmon_random_cache.hpp"
@@ -1082,25 +1083,36 @@ namespace ams::secmon {
/* Setup the security engine interrupt. */
constexpr int SecurityEngineInterruptId = 90;
gic::SetPriority (SecurityEngineInterruptId, gic::HighestPriority);
gic::SetInterruptGroup(SecurityEngineInterruptId, 0);
gic::SetEnable (SecurityEngineInterruptId, true);
gic::SetSpiTargetCpu (SecurityEngineInterruptId, (1 << 3));
gic::SetSpiMode (SecurityEngineInterruptId, gic::InterruptMode_Level);
constexpr u8 SecurityEngineInterruptCoreMask = (1 << 3);
gic::SetPriority (SecurityEngineInterruptId, gic::HighestPriority);
gic::SetInterruptGroup(SecurityEngineInterruptId, 0);
gic::SetEnable (SecurityEngineInterruptId, true);
gic::SetSpiTargetCpu (SecurityEngineInterruptId, SecurityEngineInterruptCoreMask);
gic::SetSpiMode (SecurityEngineInterruptId, gic::InterruptMode_Level);
/* Setup the activity monitor interrupt. */
constexpr int ActivityMonitorInterruptId = 77;
gic::SetPriority (ActivityMonitorInterruptId, gic::HighestPriority);
gic::SetInterruptGroup(ActivityMonitorInterruptId, 0);
gic::SetEnable (ActivityMonitorInterruptId, true);
gic::SetSpiTargetCpu (ActivityMonitorInterruptId, (1 << 3));
gic::SetSpiMode (ActivityMonitorInterruptId, gic::InterruptMode_Level);
constexpr u8 ActivityMonitorInterruptCoreMask = (1 << 3);
gic::SetPriority (ActivityMonitorInterruptId, gic::HighestPriority);
gic::SetInterruptGroup(ActivityMonitorInterruptId, 0);
gic::SetEnable (ActivityMonitorInterruptId, true);
gic::SetSpiTargetCpu (ActivityMonitorInterruptId, ActivityMonitorInterruptCoreMask);
gic::SetSpiMode (ActivityMonitorInterruptId, gic::InterruptMode_Level);
/* Setup the mariko fatal error interrupt. */
constexpr u8 MarikoFatalInterruptCoreMask = 0b1111;
gic::SetPriority (MarikoFatalErrorInterruptId, gic::HighestPriority);
gic::SetInterruptGroup(MarikoFatalErrorInterruptId, 0);
gic::SetEnable (MarikoFatalErrorInterruptId, true);
gic::SetSpiTargetCpu (MarikoFatalErrorInterruptId, 0);
gic::SetSpiMode (MarikoFatalErrorInterruptId, gic::InterruptMode_Level);
/* If we're coldboot, perform one-time setup. */
if (g_is_cold_boot) {
/* Register both interrupt handlers. */
SetInterruptHandler(SecurityEngineInterruptId, se::HandleInterrupt);
SetInterruptHandler(ActivityMonitorInterruptId, actmon::HandleInterrupt);
/* Register all interrupt handlers. */
SetInterruptHandler(SecurityEngineInterruptId, SecurityEngineInterruptCoreMask, se::HandleInterrupt);
SetInterruptHandler(ActivityMonitorInterruptId, ActivityMonitorInterruptCoreMask, actmon::HandleInterrupt);
SetInterruptHandler(MarikoFatalErrorInterruptId, MarikoFatalInterruptCoreMask, secmon::HandleMarikoFatalErrorInterrupt);
/* We're expecting the other cores to come out of reset. */
for (int i = 1; i < NumCores; ++i) {