N-archive/citra
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

memory: add overload with process parameter for ZeroBlock and CopyBlock

Browse source
This commit is contained in:
wwylele 2017-12-05 21:04:54 +02:00
parent de8dbbf0b6
commit 8e4e663113
2 changed files with 38 additions and 24 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

60
src/core/memory.cpp
View file

@ -615,7 +615,8 @@ void WriteBlock(const VAddr dest_addr, const void* src_buffer, const size_t size
WriteBlock(*Kernel::g_current_process, dest_addr, src_buffer, size);
}
void ZeroBlock(const VAddr dest_addr, const size_t size) {
void ZeroBlock(const Kernel::Process& process, const VAddr dest_addr, const size_t size) {
auto& page_table = process.vm_manager.page_table;
size_t remaining_size = size;
size_t page_index = dest_addr >> PAGE_BITS;
size_t page_offset = dest_addr & PAGE_MASK;
@ -626,36 +627,37 @@ void ZeroBlock(const VAddr dest_addr, const size_t size) {
const size_t copy_amount = std::min(PAGE_SIZE - page_offset, remaining_size);
const VAddr current_vaddr = static_cast<VAddr>((page_index << PAGE_BITS) + page_offset);
switch (current_page_table->attributes[page_index]) {
switch (page_table.attributes[page_index]) {
case PageType::Unmapped: {
LOG_ERROR(HW_Memory, "unmapped ZeroBlock @ 0x%08X (start address = 0x%08X, size = %zu)",
current_vaddr, dest_addr, size);
break;
}
case PageType::Memory: {
DEBUG_ASSERT(current_page_table->pointers[page_index]);
DEBUG_ASSERT(page_table.pointers[page_index]);
u8* dest_ptr = current_page_table->pointers[page_index] + page_offset;
u8* dest_ptr = page_table.pointers[page_index] + page_offset;
std::memset(dest_ptr, 0, copy_amount);
break;
}
case PageType::Special: {
DEBUG_ASSERT(GetMMIOHandler(current_vaddr));
GetMMIOHandler(current_vaddr)->WriteBlock(current_vaddr, zeros.data(), copy_amount);
MMIORegionPointer handler = GetMMIOHandler(page_table, current_vaddr);
DEBUG_ASSERT(handler);
handler->WriteBlock(current_vaddr, zeros.data(), copy_amount);
break;
}
case PageType::RasterizerCachedMemory: {
RasterizerFlushVirtualRegion(current_vaddr, static_cast<u32>(copy_amount),
FlushMode::FlushAndInvalidate);
std::memset(GetPointerFromVMA(current_vaddr), 0, copy_amount);
std::memset(GetPointerFromVMA(process, current_vaddr), 0, copy_amount);
break;
}
case PageType::RasterizerCachedSpecial: {
DEBUG_ASSERT(GetMMIOHandler(current_vaddr));
MMIORegionPointer handler = GetMMIOHandler(page_table, current_vaddr);
DEBUG_ASSERT(handler);
RasterizerFlushVirtualRegion(current_vaddr, static_cast<u32>(copy_amount),
FlushMode::FlushAndInvalidate);
GetMMIOHandler(current_vaddr)->WriteBlock(current_vaddr, zeros.data(), copy_amount);
handler->WriteBlock(current_vaddr, zeros.data(), copy_amount);
break;
}
default:
@ -668,7 +670,12 @@ void ZeroBlock(const VAddr dest_addr, const size_t size) {
}
}
void CopyBlock(VAddr dest_addr, VAddr src_addr, const size_t size) {
void ZeroBlock(const VAddr dest_addr, const size_t size) {
ZeroBlock(*Kernel::g_current_process, dest_addr, size);
}
void CopyBlock(const Kernel::Process& process, VAddr dest_addr, VAddr src_addr, const size_t size) {
auto& page_table = process.vm_manager.page_table;
size_t remaining_size = size;
size_t page_index = src_addr >> PAGE_BITS;
size_t page_offset = src_addr & PAGE_MASK;
@ -677,41 +684,42 @@ void CopyBlock(VAddr dest_addr, VAddr src_addr, const size_t size) {
const size_t copy_amount = std::min(PAGE_SIZE - page_offset, remaining_size);
const VAddr current_vaddr = static_cast<VAddr>((page_index << PAGE_BITS) + page_offset);
switch (current_page_table->attributes[page_index]) {
switch (page_table.attributes[page_index]) {
case PageType::Unmapped: {
LOG_ERROR(HW_Memory, "unmapped CopyBlock @ 0x%08X (start address = 0x%08X, size = %zu)",
current_vaddr, src_addr, size);
ZeroBlock(dest_addr, copy_amount);
ZeroBlock(process, dest_addr, copy_amount);
break;
}
case PageType::Memory: {
DEBUG_ASSERT(current_page_table->pointers[page_index]);
const u8* src_ptr = current_page_table->pointers[page_index] + page_offset;
WriteBlock(dest_addr, src_ptr, copy_amount);
DEBUG_ASSERT(page_table.pointers[page_index]);
const u8* src_ptr = page_table.pointers[page_index] + page_offset;
WriteBlock(process, dest_addr, src_ptr, copy_amount);
break;
}
case PageType::Special: {
DEBUG_ASSERT(GetMMIOHandler(current_vaddr));
MMIORegionPointer handler = GetMMIOHandler(page_table, current_vaddr);
DEBUG_ASSERT(handler);
std::vector<u8> buffer(copy_amount);
GetMMIOHandler(current_vaddr)->ReadBlock(current_vaddr, buffer.data(), buffer.size());
WriteBlock(dest_addr, buffer.data(), buffer.size());
handler->ReadBlock(current_vaddr, buffer.data(), buffer.size());
WriteBlock(process, dest_addr, buffer.data(), buffer.size());
break;
}
case PageType::RasterizerCachedMemory: {
RasterizerFlushVirtualRegion(current_vaddr, static_cast<u32>(copy_amount),
FlushMode::Flush);
WriteBlock(dest_addr, GetPointerFromVMA(current_vaddr), copy_amount);
WriteBlock(process, dest_addr, GetPointerFromVMA(process, current_vaddr), copy_amount);
break;
}
case PageType::RasterizerCachedSpecial: {
DEBUG_ASSERT(GetMMIOHandler(current_vaddr));
MMIORegionPointer handler = GetMMIOHandler(page_table, current_vaddr);
DEBUG_ASSERT(handler);
RasterizerFlushVirtualRegion(current_vaddr, static_cast<u32>(copy_amount),
FlushMode::Flush);
std::vector<u8> buffer(copy_amount);
GetMMIOHandler(current_vaddr)->ReadBlock(current_vaddr, buffer.data(), buffer.size());
WriteBlock(dest_addr, buffer.data(), buffer.size());
handler->ReadBlock(current_vaddr, buffer.data(), buffer.size());
WriteBlock(process, dest_addr, buffer.data(), buffer.size());
break;
}
default:
@ -726,6 +734,10 @@ void CopyBlock(VAddr dest_addr, VAddr src_addr, const size_t size) {
}
}
void CopyBlock(VAddr dest_addr, VAddr src_addr, const size_t size) {
CopyBlock(*Kernel::g_current_process, dest_addr, src_addr, size);
}
template <>
u8 ReadMMIO<u8>(MMIORegionPointer mmio_handler, VAddr addr) {
return mmio_handler->Read8(addr);

2
src/core/memory.h
View file

@ -211,7 +211,9 @@ void ReadBlock(const VAddr src_addr, void* dest_buffer, size_t size);
void WriteBlock(const Kernel::Process& process, const VAddr dest_addr, const void* src_buffer,
size_t size);
void WriteBlock(const VAddr dest_addr, const void* src_buffer, size_t size);
void ZeroBlock(const Kernel::Process& process, const VAddr dest_addr, const size_t size);
void ZeroBlock(const VAddr dest_addr, const size_t size);
void CopyBlock(const Kernel::Process& process, VAddr dest_addr, VAddr src_addr, size_t size);
void CopyBlock(VAddr dest_addr, VAddr src_addr, size_t size);
u8* GetPointer(VAddr virtual_address);