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Code Issues Releases Activity

kern: PMC must be user-mappable for 1.0.0 compat

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This commit is contained in:
Michael Scire 2020-08-21 13:56:13 -07:00 committed by SciresM
parent 496f93ccdb
commit d50c7c5c79
3 changed files with 11 additions and 4 deletions
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2
libraries/libmesosphere/include/mesosphere/kern_k_client_session.hpp
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@ -35,7 +35,7 @@ namespace ams::kern {
}
virtual void Destroy() override;
static void PostDestroy(uintptr_t arg) { /* ... */ }
static void PostDestroy(uintptr_t arg) { MESOSPHERE_UNUSED(arg); /* ... */ }
constexpr KSession *GetParent() const { return this->parent; }

2
libraries/libmesosphere/source/board/nintendo/nx/kern_k_system_control.cpp
View file

@ -201,7 +201,7 @@ namespace ams::kern::board::nintendo::nx {
const KMemoryRegion *region = KMemoryLayout::Find(KPhysicalAddress(address));
if (AMS_LIKELY(region != nullptr)) {
/* The PMC is always allowed. */
if (region->IsDerivedFrom(KMemoryRegionAttr_NoUserMap | KMemoryRegionType_PowerManagementController)) {
if (region->IsDerivedFrom(KMemoryRegionType_PowerManagementController)) {
return true;
}

11
libraries/libmesosphere/source/kern_k_memory_layout.board.nintendo_nx.cpp
View file

@ -39,6 +39,14 @@ namespace ams::kern {
#endif
}
ALWAYS_INLINE bool SetupPowerManagementControllerMemoryRegion() {
/* For backwards compatibility, the PMC must remain mappable on < 2.0.0. */
const auto pmc_type = GetTargetFirmware() >= TargetFirmware_2_0_0 ? (KMemoryRegionType_PowerManagementController | KMemoryRegionAttr_NoUserMap) : KMemoryRegionType_PowerManagementController;
return KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x7000E000, 0x400, KMemoryRegionType_None | KMemoryRegionAttr_NoUserMap) &&
KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x7000E400, 0xC00, pmc_type);
}
void InsertPoolPartitionRegionIntoBothTrees(size_t start, size_t size, KMemoryRegionType phys_type, KMemoryRegionType virt_type, u32 &cur_attr) {
const u32 attr = cur_attr++;
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(start, size, phys_type, attr));
@ -54,11 +62,10 @@ namespace ams::kern {
void SetupDevicePhysicalMemoryRegions() {
/* TODO: Give these constexpr defines somewhere? */
MESOSPHERE_INIT_ABORT_UNLESS(SetupUartPhysicalMemoryRegion());
MESOSPHERE_INIT_ABORT_UNLESS(SetupPowerManagementControllerMemoryRegion());
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x70019000, 0x1000, KMemoryRegionType_MemoryController | KMemoryRegionAttr_NoUserMap));
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x7001C000, 0x1000, KMemoryRegionType_MemoryController0 | KMemoryRegionAttr_NoUserMap));
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x7001D000, 0x1000, KMemoryRegionType_MemoryController1 | KMemoryRegionAttr_NoUserMap));
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x7000E000, 0x400, KMemoryRegionType_None | KMemoryRegionAttr_NoUserMap));
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x7000E400, 0xC00, KMemoryRegionType_PowerManagementController | KMemoryRegionAttr_NoUserMap));
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x50040000, 0x1000, KMemoryRegionType_None | KMemoryRegionAttr_NoUserMap));
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x50041000, 0x1000, KMemoryRegionType_InterruptDistributor | KMemoryRegionAttr_ShouldKernelMap));
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x50042000, 0x1000, KMemoryRegionType_InterruptCpuInterface | KMemoryRegionAttr_ShouldKernelMap));