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kern: implement uart init + logging

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This commit is contained in:
Michael Scire
2020-02-06 01:05:35 -08:00
parent 323858cf96
commit 5961151a92
17 changed files with 828 additions and 14 deletions
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31
libraries/libmesosphere/include/mesosphere/kern_k_memory_layout.hpp
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@@ -204,6 +204,24 @@ namespace ams::kern {
struct DerivedRegionExtents {
const KMemoryRegion *first_region;
const KMemoryRegion *last_region;
constexpr DerivedRegionExtents() : first_region(nullptr), last_region(nullptr) { /* ... */ }
constexpr ALWAYS_INLINE uintptr_t GetAddress() const {
return this->first_region->GetAddress();
}
constexpr ALWAYS_INLINE uintptr_t GetEndAddress() const {
return this->last_region->GetEndAddress();
}
constexpr ALWAYS_INLINE size_t GetSize() const {
return this->GetEndAddress() - this->GetAddress();
}
constexpr ALWAYS_INLINE uintptr_t GetLastAddress() const {
return this->GetEndAddress() - 1;
}
};
private:
using TreeType = util::IntrusiveRedBlackTreeBaseTraits<KMemoryRegion>::TreeType<KMemoryRegion>;
@@ -258,7 +276,10 @@ namespace ams::kern {
DerivedRegionExtents GetDerivedRegionExtents(u32 type_id) {
DerivedRegionExtents extents = { .first_region = nullptr, .last_region = nullptr };
DerivedRegionExtents extents;
MESOSPHERE_INIT_ABORT_UNLESS(extents.first_region == nullptr);
MESOSPHERE_INIT_ABORT_UNLESS(extents.last_region == nullptr);
for (auto it = this->cbegin(); it != this->cend(); it++) {
if (it->IsDerivedFrom(type_id)) {
@@ -433,6 +454,14 @@ namespace ams::kern {
return GetPhysicalMemoryRegionTree().FindFirstDerivedRegion(KMemoryRegionType_InterruptCpuInterface)->GetPairAddress();
}
static NOINLINE KVirtualAddress GetUartAddress() {
return GetPhysicalMemoryRegionTree().FindFirstDerivedRegion(KMemoryRegionType_Uart)->GetPairAddress();
}
static NOINLINE auto GetCarveoutRegionExtents() {
return GetVirtualMemoryRegionTree().GetDerivedRegionExtents(KMemoryRegionAttr_CarveoutProtected);
}
static void InitializeLinearMemoryRegionTrees(KPhysicalAddress aligned_linear_phys_start, KVirtualAddress linear_virtual_start);
};