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Merge pull request #2961 from Subv/load_titles

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Loaders: Don't automatically set the current process every time we load an application.
This commit is contained in:
bunnei 2017-09-29 14:58:42 -04:00 • committed by GitHub
commit e2a34ccd89
17 changed files with 157 additions and 70 deletions
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25
src/core/memory.cpp
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@ -110,8 +110,8 @@ static u8* GetPointerFromVMA(VAddr vaddr) {
/**
* This function should only be called for virtual addreses with attribute `PageType::Special`.
*/
static MMIORegionPointer GetMMIOHandler(VAddr vaddr) {
for (const auto& region : current_page_table->special_regions) {
static MMIORegionPointer GetMMIOHandler(const PageTable& page_table, VAddr vaddr) {
for (const auto& region : page_table.special_regions) {
if (vaddr >= region.base && vaddr < (region.base + region.size)) {
return region.handler;
}
@ -120,6 +120,11 @@ static MMIORegionPointer GetMMIOHandler(VAddr vaddr) {
return nullptr; // Should never happen
}
static MMIORegionPointer GetMMIOHandler(VAddr vaddr) {
const PageTable& page_table = Kernel::g_current_process->vm_manager.page_table;
return GetMMIOHandler(page_table, vaddr);
}
template <typename T>
T ReadMMIO(MMIORegionPointer mmio_handler, VAddr addr);
@ -204,18 +209,20 @@ void Write(const VAddr vaddr, const T data) {
}
}
bool IsValidVirtualAddress(const VAddr vaddr) {
const u8* page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS];
bool IsValidVirtualAddress(const Kernel::Process& process, const VAddr vaddr) {
auto& page_table = process.vm_manager.page_table;
const u8* page_pointer = page_table.pointers[vaddr >> PAGE_BITS];
if (page_pointer)
return true;
if (current_page_table->attributes[vaddr >> PAGE_BITS] == PageType::RasterizerCachedMemory)
if (page_table.attributes[vaddr >> PAGE_BITS] == PageType::RasterizerCachedMemory)
return true;
if (current_page_table->attributes[vaddr >> PAGE_BITS] != PageType::Special)
if (page_table.attributes[vaddr >> PAGE_BITS] != PageType::Special)
return false;
MMIORegionPointer mmio_region = GetMMIOHandler(vaddr);
MMIORegionPointer mmio_region = GetMMIOHandler(page_table, vaddr);
if (mmio_region) {
return mmio_region->IsValidAddress(vaddr);
}
@ -223,6 +230,10 @@ bool IsValidVirtualAddress(const VAddr vaddr) {
return false;
}
bool IsValidVirtualAddress(const VAddr vaddr) {
return IsValidVirtualAddress(*Kernel::g_current_process, vaddr);
}
bool IsValidPhysicalAddress(const PAddr paddr) {
return GetPhysicalPointer(paddr) != nullptr;
}