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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
libraries/libmesosphere/source
kern_k_memory_layout.cpp

16
libraries/libmesosphere/source/kern_k_memory_layout.cpp
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@ -76,10 +76,10 @@ namespace ams::kern {
const auto extents = this->GetDerivedRegionExtents(type_id);
/* Ensure that our alignment is correct. */
MESOSPHERE_INIT_ABORT_UNLESS(util::IsAligned(extents.first_region->GetAddress(), alignment));
MESOSPHERE_INIT_ABORT_UNLESS(util::IsAligned(extents.GetAddress(), alignment));
const uintptr_t first_address = extents.first_region->GetAddress();
const uintptr_t last_address = extents.last_region->GetLastAddress();
const uintptr_t first_address = extents.GetAddress();
const uintptr_t last_address = extents.GetLastAddress();
while (true) {
const uintptr_t candidate = util::AlignDown(KSystemControl::Init::GenerateRandomRange(first_address, last_address), alignment);
@ -209,9 +209,9 @@ namespace ams::kern {
/* Use the l1 page table for each core to map the core local region for each core. */
for (size_t i = 0; i < cpu::NumCores; i++) {
KInitialPageTable temp_pt(core_l1_ttbr1_phys[i], KInitialPageTable::NoClear{});
temp_pt.Map(core_local_virt_start, PageSize, core_l1_ttbr1_phys[i], KernelRwDataAttribute, page_allocator);
temp_pt.Map(core_local_virt_start, PageSize, core_local_region_start_phys[i], KernelRwDataAttribute, page_allocator);
for (size_t j = 0; j < cpu::NumCores; j++) {
temp_pt.Map(core_local_virt_start + (j + 1) * PageSize, PageSize, core_l1_ttbr1_phys[j], KernelRwDataAttribute, page_allocator);
temp_pt.Map(core_local_virt_start + (j + 1) * PageSize, PageSize, core_local_region_start_phys[j], KernelRwDataAttribute, page_allocator);
}
/* Setup the InitArguments. */
@ -239,16 +239,16 @@ namespace ams::kern {
const uintptr_t pool_partitions_start = KMemoryLayout::GetPhysicalMemoryRegionTree().FindFirstRegionByTypeAttr(KMemoryRegionType_DramPoolPartition)->GetAddress();
/* Decide on starting addresses for our pools. */
const uintptr_t application_pool_start = dram_extents.last_region->GetEndAddress() - application_pool_size;
const uintptr_t application_pool_start = dram_extents.GetEndAddress() - application_pool_size;
const uintptr_t applet_pool_start = application_pool_start - applet_pool_size;
const uintptr_t unsafe_system_pool_start = std::min(kernel_dram_start + CarveoutSizeMax, util::AlignDown(applet_pool_start - unsafe_system_pool_min_size, CarveoutAlignment));
const size_t unsafe_system_pool_size = applet_pool_start - unsafe_system_pool_start;
/* We want to arrange application pool depending on where the middle of dram is. */
const uintptr_t dram_midpoint = (dram_extents.first_region->GetAddress() + dram_extents.last_region->GetEndAddress()) / 2;
const uintptr_t dram_midpoint = (dram_extents.GetAddress() + dram_extents.GetEndAddress()) / 2;
u32 cur_pool_attr = 0;
size_t total_overhead_size = 0;
if (dram_extents.last_region->GetEndAddress() <= dram_midpoint || dram_midpoint <= application_pool_start) {
if (dram_extents.GetEndAddress() <= dram_midpoint || dram_midpoint <= application_pool_start) {
InsertPoolPartitionRegionIntoBothTrees(application_pool_start, application_pool_size, KMemoryRegionType_DramApplicationPool, KMemoryRegionType_VirtualDramApplicationPool, cur_pool_attr);
total_overhead_size += KMemoryManager::CalculateMetadataOverheadSize(application_pool_size);
} else {