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Memory: move block operations into class

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This commit is contained in:
Weiyi Wang 2018-11-21 15:21:30 -05:00
parent 323990d402
commit 2582d64fb3
13 changed files with 174 additions and 159 deletions
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23
src/core/hle/kernel/ipc.cpp
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@ -4,6 +4,7 @@
#include <algorithm>
#include "common/alignment.h"
#include "core/core.h"
#include "core/hle/ipc.h"
#include "core/hle/kernel/handle_table.h"
#include "core/hle/kernel/ipc.h"
@ -19,13 +20,13 @@ ResultCode TranslateCommandBuffer(SharedPtr<Thread> src_thread, SharedPtr<Thread
VAddr src_address, VAddr dst_address,
std::vector<MappedBufferContext>& mapped_buffer_context,
bool reply) {
Memory::MemorySystem& memory = Core::System::GetInstance().Memory();
auto& src_process = src_thread->owner_process;
auto& dst_process = dst_thread->owner_process;
IPC::Header header;
// TODO(Subv): Replace by Memory::Read32 when possible.
Memory::ReadBlock(*src_process, src_address, &header.raw, sizeof(header.raw));
memory.ReadBlock(*src_process, src_address, &header.raw, sizeof(header.raw));
std::size_t untranslated_size = 1u + header.normal_params_size;
std::size_t command_size = untranslated_size + header.translate_params_size;
@ -34,7 +35,7 @@ ResultCode TranslateCommandBuffer(SharedPtr<Thread> src_thread, SharedPtr<Thread
ASSERT(command_size <= IPC::COMMAND_BUFFER_LENGTH);
std::array<u32, IPC::COMMAND_BUFFER_LENGTH> cmd_buf;
Memory::ReadBlock(*src_process, src_address, cmd_buf.data(), command_size * sizeof(u32));
memory.ReadBlock(*src_process, src_address, cmd_buf.data(), command_size * sizeof(u32));
std::size_t i = untranslated_size;
while (i < command_size) {
@ -90,7 +91,7 @@ ResultCode TranslateCommandBuffer(SharedPtr<Thread> src_thread, SharedPtr<Thread
VAddr static_buffer_src_address = cmd_buf[i];
std::vector<u8> data(bufferInfo.size);
Memory::ReadBlock(*src_process, static_buffer_src_address, data.data(), data.size());
memory.ReadBlock(*src_process, static_buffer_src_address, data.data(), data.size());
// Grab the address that the target thread set up to receive the response static buffer
// and write our data there. The static buffers area is located right after the command
@ -106,15 +107,15 @@ ResultCode TranslateCommandBuffer(SharedPtr<Thread> src_thread, SharedPtr<Thread
u32 static_buffer_offset = IPC::COMMAND_BUFFER_LENGTH * sizeof(u32) +
sizeof(StaticBuffer) * bufferInfo.buffer_id;
Memory::ReadBlock(*dst_process, dst_address + static_buffer_offset, &target_buffer,
sizeof(target_buffer));
memory.ReadBlock(*dst_process, dst_address + static_buffer_offset, &target_buffer,
sizeof(target_buffer));
// Note: The real kernel doesn't seem to have any error recovery mechanisms for this
// case.
ASSERT_MSG(target_buffer.descriptor.size >= data.size(),
"Static buffer data is too big");
Memory::WriteBlock(*dst_process, target_buffer.address, data.data(), data.size());
memory.WriteBlock(*dst_process, target_buffer.address, data.data(), data.size());
cmd_buf[i++] = target_buffer.address;
break;
@ -153,8 +154,8 @@ ResultCode TranslateCommandBuffer(SharedPtr<Thread> src_thread, SharedPtr<Thread
if (permissions != IPC::MappedBufferPermissions::R) {
// Copy the modified buffer back into the target process
Memory::CopyBlock(*src_process, *dst_process, found->target_address,
found->source_address, size);
memory.CopyBlock(*src_process, *dst_process, found->target_address,
found->source_address, size);
}
VAddr prev_reserve = page_start - Memory::PAGE_SIZE;
@ -187,7 +188,7 @@ ResultCode TranslateCommandBuffer(SharedPtr<Thread> src_thread, SharedPtr<Thread
Memory::PAGE_SIZE, Kernel::MemoryState::Reserved);
auto buffer = std::make_unique<u8[]>(num_pages * Memory::PAGE_SIZE);
Memory::ReadBlock(*src_process, source_address, buffer.get() + page_offset, size);
memory.ReadBlock(*src_process, source_address, buffer.get() + page_offset, size);
// Map the page(s) into the target process' address space.
target_address =
@ -215,7 +216,7 @@ ResultCode TranslateCommandBuffer(SharedPtr<Thread> src_thread, SharedPtr<Thread
}
}
Memory::WriteBlock(*dst_process, dst_address, cmd_buf.data(), command_size * sizeof(u32));
memory.WriteBlock(*dst_process, dst_address, cmd_buf.data(), command_size * sizeof(u32));
return RESULT_SUCCESS;
}