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kern: add SvcQueryIoMapping (NOTE: pre-10.x, ABI needs update)

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This commit is contained in:
Michael Scire 2020-07-13 13:24:32 -07:00
parent 57867d6ced
commit 18698bf1d3
6 changed files with 204 additions and 2 deletions
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8
libraries/libmesosphere/include/mesosphere/arch/arm64/kern_k_process_page_table.hpp
View file

@ -56,6 +56,14 @@ namespace ams::kern::arch::arm64 {
return this->page_table.QueryInfo(out_info, out_page_info, addr);
}
Result QueryStaticMapping(KProcessAddress *out, KPhysicalAddress address, size_t size) const {
return this->page_table.QueryStaticMapping(out, address, size);
}
Result QueryIoMapping(KProcessAddress *out, KPhysicalAddress address, size_t size) const {
return this->page_table.QueryIoMapping(out, address, size);
}
Result MapMemory(KProcessAddress dst_address, KProcessAddress src_address, size_t size) {
return this->page_table.MapMemory(dst_address, src_address, size);
}

47
libraries/libmesosphere/include/mesosphere/kern_k_memory_layout.hpp
View file

@ -268,6 +268,16 @@ namespace ams::kern {
MESOSPHERE_INIT_ABORT();
}
iterator TryFindFirstRegionByType(u32 type_id) {
for (auto it = this->begin(); it != this->end(); it++) {
if (it->GetType() == type_id) {
return it;
}
}
return this->end();
}
iterator FindFirstDerivedRegion(u32 type_id) {
for (auto it = this->begin(); it != this->end(); it++) {
if (it->IsDerivedFrom(type_id)) {
@ -277,6 +287,16 @@ namespace ams::kern {
MESOSPHERE_INIT_ABORT();
}
iterator TryFindFirstDerivedRegion(u32 type_id) {
for (auto it = this->begin(); it != this->end(); it++) {
if (it->IsDerivedFrom(type_id)) {
return it;
}
}
return this->end();
}
DerivedRegionExtents GetDerivedRegionExtents(u32 type_id) const {
DerivedRegionExtents extents;
@ -504,6 +524,33 @@ namespace ams::kern {
return *GetVirtualLinearMemoryRegionTree().FindContainingRegion(GetInteger(address));
}
static NOINLINE const KMemoryRegion *TryGetKernelTraceBufferRegion() {
auto &tree = GetPhysicalMemoryRegionTree();
if (KMemoryRegionTree::const_iterator it = tree.TryFindFirstDerivedRegion(KMemoryRegionType_KernelTraceBuffer); it != tree.end()) {
return std::addressof(*it);
} else {
return nullptr;
}
}
static NOINLINE const KMemoryRegion *TryGetOnMemoryBootImageRegion() {
auto &tree = GetPhysicalMemoryRegionTree();
if (KMemoryRegionTree::const_iterator it = tree.TryFindFirstDerivedRegion(KMemoryRegionType_OnMemoryBootImage); it != tree.end()) {
return std::addressof(*it);
} else {
return nullptr;
}
}
static NOINLINE const KMemoryRegion *TryGetDTBRegion() {
auto &tree = GetPhysicalMemoryRegionTree();
if (KMemoryRegionTree::const_iterator it = tree.TryFindFirstDerivedRegion(KMemoryRegionType_DTB); it != tree.end()) {
return std::addressof(*it);
} else {
return nullptr;
}
}
static NOINLINE bool IsHeapPhysicalAddress(const KMemoryRegion **out, KPhysicalAddress address, const KMemoryRegion *hint = nullptr) {
auto &tree = GetPhysicalLinearMemoryRegionTree();
KMemoryRegionTree::const_iterator it = tree.end();

5
libraries/libmesosphere/include/mesosphere/kern_k_page_table_base.hpp
View file

@ -248,6 +248,9 @@ namespace ams::kern {
Result UnlockMemory(KProcessAddress addr, size_t size, u32 state_mask, u32 state, u32 perm_mask, u32 perm, u32 attr_mask, u32 attr, KMemoryPermission new_perm, u32 lock_attr, const KPageGroup *pg);
Result QueryInfoImpl(KMemoryInfo *out_info, ams::svc::PageInfo *out_page, KProcessAddress address) const;
Result QueryMappingImpl(KProcessAddress *out, KPhysicalAddress address, size_t size, KMemoryState state) const;
Result AllocateAndMapPagesImpl(PageLinkedList *page_list, KProcessAddress address, size_t num_pages, const KPageProperties properties);
Result MapPageGroupImpl(PageLinkedList *page_list, KProcessAddress address, const KPageGroup &pg, const KPageProperties properties, bool reuse_ll);
@ -271,6 +274,8 @@ namespace ams::kern {
Result SetHeapSize(KProcessAddress *out, size_t size);
Result SetMaxHeapSize(size_t size);
Result QueryInfo(KMemoryInfo *out_info, ams::svc::PageInfo *out_page_info, KProcessAddress addr) const;
Result QueryStaticMapping(KProcessAddress *out, KPhysicalAddress address, size_t size) const { return this->QueryMappingImpl(out, address, size, KMemoryState_Static); }
Result QueryIoMapping(KProcessAddress *out, KPhysicalAddress address, size_t size) const { return this->QueryMappingImpl(out, address, size, KMemoryState_Io); }
Result MapMemory(KProcessAddress dst_address, KProcessAddress src_address, size_t size);
Result UnmapMemory(KProcessAddress dst_address, KProcessAddress src_address, size_t size);
Result MapIo(KPhysicalAddress phys_addr, size_t size, KMemoryPermission perm);