sneedmca/Lime3DS
1
0
Fork 0
mirror of https://github.com/Lime3DS/Lime3DS synced 2024-10-31 20:27:52 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

Memory: Make WriteBlock take a Process parameter on which to operate

Browse source
This commit is contained in:
Subv 2017-09-29 22:42:25 -05:00
parent 811c01e5fe
commit 1f2de7501b
2 changed files with 19 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

27
src/core/memory.cpp
View file

@ -555,7 +555,9 @@ void Write64(const VAddr addr, const u64 data) {
Write<u64_le>(addr, data);
}
void WriteBlock(const VAddr dest_addr, const void* src_buffer, const size_t size) {
void WriteBlock(const Kernel::Process& process, const VAddr dest_addr, const void* src_buffer,
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;
@ -564,7 +566,7 @@ void WriteBlock(const VAddr dest_addr, const void* src_buffer, 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 WriteBlock @ 0x%08X (start address = 0x%08X, size = %zu)",
@ -572,29 +574,30 @@ void WriteBlock(const VAddr dest_addr, const void* src_buffer, const size_t 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::memcpy(dest_ptr, src_buffer, copy_amount);
break;
}
case PageType::Special: {
DEBUG_ASSERT(GetMMIOHandler(current_vaddr));
GetMMIOHandler(current_vaddr)->WriteBlock(current_vaddr, src_buffer, copy_amount);
MMIORegionPointer handler = GetMMIOHandler(page_table, current_vaddr);
DEBUG_ASSERT(handler);
handler->WriteBlock(current_vaddr, src_buffer, copy_amount);
break;
}
case PageType::RasterizerCachedMemory: {
RasterizerFlushVirtualRegion(current_vaddr, static_cast<u32>(copy_amount),
FlushMode::FlushAndInvalidate);
std::memcpy(GetPointerFromVMA(current_vaddr), src_buffer, copy_amount);
std::memcpy(GetPointerFromVMA(process, current_vaddr), src_buffer, 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, src_buffer, copy_amount);
handler->WriteBlock(current_vaddr, src_buffer, copy_amount);
break;
}
default:
@ -608,6 +611,10 @@ void WriteBlock(const VAddr dest_addr, const void* src_buffer, const size_t size
}
}
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) {
size_t remaining_size = size;
size_t page_index = dest_addr >> PAGE_BITS;

2
src/core/memory.h
View file

@ -208,6 +208,8 @@ void Write64(VAddr addr, u64 data);
void ReadBlock(const Kernel::Process& process, const VAddr src_addr, void* dest_buffer,
size_t size);
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 VAddr dest_addr, const size_t size);
void CopyBlock(VAddr dest_addr, VAddr src_addr, size_t size);