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kern: update KSystemControl::InitializePhase1, dynamically scale 39-bit address space regions

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This commit is contained in:
Michael Scire
2023-02-21 08:53:17 -07:00
committed by SciresM
parent 6e2dd791b2
commit db510f96c3
5 changed files with 83 additions and 100 deletions
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66
libraries/libmesosphere/source/board/nintendo/nx/kern_k_system_control.cpp
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@@ -398,40 +398,41 @@ namespace ams::kern::board::nintendo::nx {
/* System Initialization. */
void KSystemControl::InitializePhase1() {
/* Initialize our random generator. */
/* Configure KTargetSystem. */
{
/* Set IsDebugMode. */
{
KTargetSystem::SetIsDebugMode(GetConfigBool(smc::ConfigItem::IsDebugMode));
/* If debug mode, we want to initialize uart logging. */
KTargetSystem::EnableDebugLogging(KTargetSystem::IsDebugMode());
}
/* Set Kernel Configuration. */
{
const auto kernel_config = util::BitPack32{GetConfigU32(smc::ConfigItem::KernelConfiguration)};
KTargetSystem::EnableDebugMemoryFill(kernel_config.Get<smc::KernelConfiguration::DebugFillMemory>());
KTargetSystem::EnableUserExceptionHandlers(kernel_config.Get<smc::KernelConfiguration::EnableUserExceptionHandlers>());
KTargetSystem::EnableDynamicResourceLimits(!kernel_config.Get<smc::KernelConfiguration::DisableDynamicResourceLimits>());
KTargetSystem::EnableUserPmuAccess(kernel_config.Get<smc::KernelConfiguration::EnableUserPmuAccess>());
g_call_smc_on_panic = kernel_config.Get<smc::KernelConfiguration::UseSecureMonitorPanicCall>();
}
/* Set Kernel Debugging. */
{
/* NOTE: This is used to restrict access to SvcKernelDebug/SvcChangeKernelTraceState. */
/* Mesosphere may wish to not require this, as we'd ideally keep ProgramVerification enabled for userland. */
KTargetSystem::EnableKernelDebugging(GetConfigBool(smc::ConfigItem::DisableProgramVerification));
}
}
/* Initialize random and resource limit. */
{
u64 seed;
smc::GenerateRandomBytes(std::addressof(seed), sizeof(seed));
s_random_generator.Initialize(reinterpret_cast<const u32*>(std::addressof(seed)), sizeof(seed) / sizeof(u32));
s_initialized_random_generator = true;
}
/* Set IsDebugMode. */
{
KTargetSystem::SetIsDebugMode(GetConfigBool(smc::ConfigItem::IsDebugMode));
/* If debug mode, we want to initialize uart logging. */
KTargetSystem::EnableDebugLogging(KTargetSystem::IsDebugMode());
KDebugLog::Initialize();
}
/* Set Kernel Configuration. */
{
const auto kernel_config = util::BitPack32{GetConfigU32(smc::ConfigItem::KernelConfiguration)};
KTargetSystem::EnableDebugMemoryFill(kernel_config.Get<smc::KernelConfiguration::DebugFillMemory>());
KTargetSystem::EnableUserExceptionHandlers(kernel_config.Get<smc::KernelConfiguration::EnableUserExceptionHandlers>());
KTargetSystem::EnableDynamicResourceLimits(!kernel_config.Get<smc::KernelConfiguration::DisableDynamicResourceLimits>());
KTargetSystem::EnableUserPmuAccess(kernel_config.Get<smc::KernelConfiguration::EnableUserPmuAccess>());
g_call_smc_on_panic = kernel_config.Get<smc::KernelConfiguration::UseSecureMonitorPanicCall>();
}
/* Set Kernel Debugging. */
{
/* NOTE: This is used to restrict access to SvcKernelDebug/SvcChangeKernelTraceState. */
/* Mesosphere may wish to not require this, as we'd ideally keep ProgramVerification enabled for userland. */
KTargetSystem::EnableKernelDebugging(GetConfigBool(smc::ConfigItem::DisableProgramVerification));
KSystemControlBase::InitializePhase1Base(seed);
}
/* Configure the Kernel Carveout region. */
@@ -441,9 +442,6 @@ namespace ams::kern::board::nintendo::nx {
smc::ConfigureCarveout(0, carveout.GetAddress(), carveout.GetSize());
}
/* Initialize the system resource limit (and potentially other things). */
KSystemControlBase::InitializePhase1(true);
}
void KSystemControl::InitializePhase2() {