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kern: update Initialize0 for new changes

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Michael Scire 2021-04-07 11:25:49 -07:00 • committed by SciresM
parent 504472af4e
commit a1e137cc1c
5 changed files with 147 additions and 60 deletions
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9
libraries/libmesosphere/include/mesosphere/kern_k_memory_region_type.hpp
View file

@ -21,7 +21,8 @@ namespace ams::kern {
enum KMemoryRegionType : u32 {};
enum KMemoryRegionAttr : typename std::underlying_type<KMemoryRegionType>::type {
KMemoryRegionAttr_CarveoutProtected = 0x04000000,
KMemoryRegionAttr_CarveoutProtected = 0x02000000,
KMemoryRegionAttr_Uncached = 0x04000000,
KMemoryRegionAttr_DidKernelMap = 0x08000000,
KMemoryRegionAttr_ShouldKernelMap = 0x10000000,
KMemoryRegionAttr_UserReadOnly = 0x20000000,
@ -216,6 +217,10 @@ namespace ams::kern {
static_assert(KMemoryRegionType_VirtualDramKernelPtHeap .GetValue() == 0x2A);
static_assert(KMemoryRegionType_VirtualDramKernelTraceBuffer.GetValue() == 0x4A);
/* UNUSED: .DeriveSparse(2, 2, 0); */
constexpr inline const auto KMemoryRegionType_VirtualDramUnknownDebug = KMemoryRegionType_Dram.DeriveSparse(2, 2, 1);
static_assert(KMemoryRegionType_VirtualDramUnknownDebug.GetValue() == (0x52));
constexpr inline const auto KMemoryRegionType_VirtualDramKernelInitPt = KMemoryRegionType_VirtualDramHeapBase.Derive(3, 0);
constexpr inline const auto KMemoryRegionType_VirtualDramPoolManagement = KMemoryRegionType_VirtualDramHeapBase.Derive(3, 1);
constexpr inline const auto KMemoryRegionType_VirtualDramUserPool = KMemoryRegionType_VirtualDramHeapBase.Derive(3, 2);
@ -292,6 +297,8 @@ namespace ams::kern {
return KMemoryRegionType_VirtualDramKernelTraceBuffer;
} else if (KMemoryRegionType_DramKernelPtHeap.IsAncestorOf(type_id)) {
return KMemoryRegionType_VirtualDramKernelPtHeap;
} else if ((type_id | KMemoryRegionAttr_ShouldKernelMap) == type_id) {
return KMemoryRegionType_VirtualDramUnknownDebug;
} else {
return KMemoryRegionType_Dram;
}

8
libraries/libmesosphere/source/arch/arm64/kern_k_page_table.cpp
View file

@ -556,13 +556,13 @@ namespace ams::kern::arch::arm64 {
/* If we're not forcing an unmap, separate pages immediately. */
if (!force) {
const size_t size = num_pages * PageSize;
R_TRY(this->SeparatePages(virt_addr, std::min(GetInteger(virt_addr) & -GetInteger(virt_addr), size), page_list, reuse_ll));
R_TRY(this->SeparatePages(virt_addr, std::min(util::GetAlignment(GetInteger(virt_addr)), size), page_list, reuse_ll));
if (num_pages > 1) {
const auto end_page = virt_addr + size;
const auto last_page = end_page - PageSize;
auto merge_guard = SCOPE_GUARD { this->MergePages(virt_addr, page_list); };
R_TRY(this->SeparatePages(last_page, std::min(GetInteger(end_page) & -GetInteger(end_page), size), page_list, reuse_ll));
R_TRY(this->SeparatePages(last_page, std::min(util::GetAlignment(GetInteger(end_page)), size), page_list, reuse_ll));
merge_guard.Cancel();
}
}
@ -1194,13 +1194,13 @@ namespace ams::kern::arch::arm64 {
/* Separate pages before we change permissions. */
const size_t size = num_pages * PageSize;
R_TRY(this->SeparatePages(virt_addr, std::min(GetInteger(virt_addr) & -GetInteger(virt_addr), size), page_list, reuse_ll));
R_TRY(this->SeparatePages(virt_addr, std::min(util::GetAlignment(GetInteger(virt_addr)), size), page_list, reuse_ll));
if (num_pages > 1) {
const auto end_page = virt_addr + size;
const auto last_page = end_page - PageSize;
auto merge_guard = SCOPE_GUARD { this->MergePages(virt_addr, page_list); };
R_TRY(this->SeparatePages(last_page, std::min(GetInteger(end_page) & -GetInteger(end_page), size), page_list, reuse_ll));
R_TRY(this->SeparatePages(last_page, std::min(util::GetAlignment(GetInteger(end_page)), size), page_list, reuse_ll));
merge_guard.Cancel();
}

4
libraries/libmesosphere/source/kern_k_page_table_base.cpp
View file

@ -1810,7 +1810,7 @@ namespace ams::kern {
/* Select an address to map at. */
KProcessAddress addr = Null<KProcessAddress>;
const size_t phys_alignment = std::min(std::min(GetInteger(phys_addr) & -GetInteger(phys_addr), size & -size), MaxPhysicalMapAlignment);
const size_t phys_alignment = std::min(std::min(util::GetAlignment(GetInteger(phys_addr)), util::GetAlignment(size)), MaxPhysicalMapAlignment);
for (s32 block_type = KPageTable::GetMaxBlockType(); block_type >= 0; block_type--) {
const size_t alignment = KPageTable::GetBlockSize(static_cast<KPageTable::BlockType>(block_type));
if (alignment > phys_alignment) {
@ -1892,7 +1892,7 @@ namespace ams::kern {
/* Select an address to map at. */
KProcessAddress addr = Null<KProcessAddress>;
const size_t phys_alignment = std::min(std::min(GetInteger(phys_addr) & -GetInteger(phys_addr), size & -size), MaxPhysicalMapAlignment);
const size_t phys_alignment = std::min(std::min(util::GetAlignment(GetInteger(phys_addr)), util::GetAlignment(size)), MaxPhysicalMapAlignment);
for (s32 block_type = KPageTable::GetMaxBlockType(); block_type >= 0; block_type--) {
const size_t alignment = KPageTable::GetBlockSize(static_cast<KPageTable::BlockType>(block_type));
if (alignment > phys_alignment) {

5
libraries/libvapours/include/vapours/util/util_alignment.hpp
View file

@ -43,6 +43,11 @@ namespace ams::util {
return (value & invmask) == 0;
}
template<typename T> requires std::unsigned_integral<T>
constexpr ALWAYS_INLINE T GetAlignment(T value) {
return value & -value;
}
template<>
constexpr ALWAYS_INLINE void *AlignUp<void *>(void *value, size_t alignment) {
return reinterpret_cast<void *>(AlignUp(reinterpret_cast<uintptr_t>(value), alignment));