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kern: KMemoryManager/KPageGroup use physical addresses instead of virtual, now

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This commit is contained in:
Michael Scire 2021-09-18 00:11:10 -07:00 • committed by SciresM
parent 2c4bd44d7e
commit 2f2c36b22b
17 changed files with 305 additions and 260 deletions
libraries/libmesosphere/source
kern_initial_process.cpp

14
libraries/libmesosphere/source/kern_initial_process.cpp
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@ -101,7 +101,7 @@ namespace ams::kern {
/* If we crossed a page boundary, free the pages we're done using. */
if (KVirtualAddress aligned_current = util::AlignDown(GetInteger(current), PageSize); aligned_current != data) {
const size_t freed_size = data - aligned_current;
Kernel::GetMemoryManager().Close(aligned_current, freed_size / PageSize);
Kernel::GetMemoryManager().Close(KMemoryLayout::GetLinearPhysicalAddress(aligned_current), freed_size / PageSize);
Kernel::GetSystemResourceLimit().Release(ams::svc::LimitableResource_PhysicalMemoryMax, freed_size);
}
@ -114,7 +114,7 @@ namespace ams::kern {
const size_t binary_pages = binary_size / PageSize;
/* Get the pool for both the current (compressed) image, and the decompressed process. */
const auto src_pool = Kernel::GetMemoryManager().GetPool(data);
const auto src_pool = Kernel::GetMemoryManager().GetPool(KMemoryLayout::GetLinearPhysicalAddress(data));
const auto dst_pool = reader.UsesSecureMemory() ? secure_pool : unsafe_pool;
/* Determine the process size, and how much memory isn't already reserved. */
@ -140,7 +140,7 @@ namespace ams::kern {
/* Add the previously reserved pages. */
if (src_pool == dst_pool && binary_pages != 0) {
/* NOTE: Nintendo does not check the result of this operation. */
pg.AddBlock(data, binary_pages);
pg.AddBlock(KMemoryLayout::GetLinearPhysicalAddress(data), binary_pages);
}
/* Add the previously unreserved pages. */
@ -176,7 +176,7 @@ namespace ams::kern {
} else {
if (src_pool != dst_pool) {
std::memcpy(GetVoidPointer(temp_address + process_size - binary_size), GetVoidPointer(data), aligned_size);
Kernel::GetMemoryManager().Close(data, aligned_size / PageSize);
Kernel::GetMemoryManager().Close(KMemoryLayout::GetLinearPhysicalAddress(data), aligned_size / PageSize);
}
}
@ -218,7 +218,7 @@ namespace ams::kern {
const size_t cur_pages = std::min(block_remaining, work_remaining);
const size_t cur_size = cur_pages * PageSize;
std::memcpy(GetVoidPointer(block_address), GetVoidPointer(work_address), cur_size);
std::memcpy(GetVoidPointer(KMemoryLayout::GetLinearVirtualAddress(block_address)), GetVoidPointer(KMemoryLayout::GetLinearVirtualAddress(work_address)), cur_size);
block_address += cur_size;
work_address += cur_size;
@ -268,7 +268,7 @@ namespace ams::kern {
{
const size_t remaining_size = util::AlignUp(GetInteger(g_initial_process_binary_address) + g_initial_process_binary_header.size, PageSize) - util::AlignDown(GetInteger(current), PageSize);
const size_t remaining_pages = remaining_size / PageSize;
Kernel::GetMemoryManager().Close(util::AlignDown(GetInteger(current), PageSize), remaining_pages);
Kernel::GetMemoryManager().Close(KMemoryLayout::GetLinearPhysicalAddress(util::AlignDown(GetInteger(current), PageSize)), remaining_pages);
Kernel::GetSystemResourceLimit().Release(ams::svc::LimitableResource_PhysicalMemoryMax, remaining_size);
}
}
@ -312,7 +312,7 @@ namespace ams::kern {
/* The initial process binary is potentially over-allocated, so free any extra pages. */
if (total_size < InitialProcessBinarySizeMax) {
Kernel::GetMemoryManager().Close(g_initial_process_binary_address + total_size, (InitialProcessBinarySizeMax - total_size) / PageSize);
Kernel::GetMemoryManager().Close(KMemoryLayout::GetLinearPhysicalAddress(g_initial_process_binary_address + total_size), (InitialProcessBinarySizeMax - total_size) / PageSize);
}
return total_size;