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service: hle: Allow to access read buffer A and X directly

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This commit is contained in:
german77 2023-10-14 21:19:22 -06:00
parent 7dc6c3c816
commit ecf98d37b8
4 changed files with 70 additions and 46 deletions
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58
src/core/hle/service/hle_ipc.cpp
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@ -23,6 +23,17 @@
#include "core/hle/service/ipc_helpers.h"
#include "core/memory.h"
namespace {
static thread_local std::array read_buffer_data_a{
Common::ScratchBuffer<u8>(),
Common::ScratchBuffer<u8>(),
};
static thread_local std::array read_buffer_data_x{
Common::ScratchBuffer<u8>(),
Common::ScratchBuffer<u8>(),
};
} // Anonymous namespace
namespace Service {
SessionRequestHandler::SessionRequestHandler(Kernel::KernelCore& kernel_, const char* service_name_)
@ -328,26 +339,57 @@ std::vector<u8> HLERequestContext::ReadBufferCopy(std::size_t buffer_index) cons
}
}
std::span<const u8> HLERequestContext::ReadBufferA(std::size_t buffer_index) const {
static thread_local std::array read_buffer_a{
Core::Memory::CpuGuestMemory<u8, Core::Memory::GuestMemoryFlags::SafeRead>(memory, 0, 0),
Core::Memory::CpuGuestMemory<u8, Core::Memory::GuestMemoryFlags::SafeRead>(memory, 0, 0),
};
ASSERT_OR_EXECUTE_MSG(
BufferDescriptorA().size() > buffer_index, { return {}; },
"BufferDescriptorA invalid buffer_index {}", buffer_index);
auto& read_buffer = read_buffer_a[buffer_index];
return read_buffer.Read(BufferDescriptorA()[buffer_index].Address(),
BufferDescriptorA()[buffer_index].Size(),
&read_buffer_data_a[buffer_index]);
}
std::span<const u8> HLERequestContext::ReadBufferX(std::size_t buffer_index) const {
static thread_local std::array read_buffer_x{
Core::Memory::CpuGuestMemory<u8, Core::Memory::GuestMemoryFlags::SafeRead>(memory, 0, 0),
Core::Memory::CpuGuestMemory<u8, Core::Memory::GuestMemoryFlags::SafeRead>(memory, 0, 0),
};
ASSERT_OR_EXECUTE_MSG(
BufferDescriptorX().size() > buffer_index, { return {}; },
"BufferDescriptorX invalid buffer_index {}", buffer_index);
auto& read_buffer = read_buffer_x[buffer_index];
return read_buffer.Read(BufferDescriptorX()[buffer_index].Address(),
BufferDescriptorX()[buffer_index].Size(),
&read_buffer_data_x[buffer_index]);
}
std::span<const u8> HLERequestContext::ReadBuffer(std::size_t buffer_index) const {
static thread_local std::array read_buffer_a{
Core::Memory::CpuGuestMemory<u8, Core::Memory::GuestMemoryFlags::SafeRead>(memory, 0, 0),
Core::Memory::CpuGuestMemory<u8, Core::Memory::GuestMemoryFlags::SafeRead>(memory, 0, 0),
};
static thread_local std::array read_buffer_data_a{
Common::ScratchBuffer<u8>(),
Common::ScratchBuffer<u8>(),
};
static thread_local std::array read_buffer_x{
Core::Memory::CpuGuestMemory<u8, Core::Memory::GuestMemoryFlags::SafeRead>(memory, 0, 0),
Core::Memory::CpuGuestMemory<u8, Core::Memory::GuestMemoryFlags::SafeRead>(memory, 0, 0),
};
static thread_local std::array read_buffer_data_x{
Common::ScratchBuffer<u8>(),
Common::ScratchBuffer<u8>(),
};
const bool is_buffer_a{BufferDescriptorA().size() > buffer_index &&
BufferDescriptorA()[buffer_index].Size()};
const bool is_buffer_x{BufferDescriptorX().size() > buffer_index &&
BufferDescriptorX()[buffer_index].Size()};
if (is_buffer_a && is_buffer_x) {
LOG_WARNING(Input, "Both buffer descriptors are available a.size={}, x.size={}",
BufferDescriptorA()[buffer_index].Size(),
BufferDescriptorX()[buffer_index].Size());
}
if (is_buffer_a) {
ASSERT_OR_EXECUTE_MSG(
BufferDescriptorA().size() > buffer_index, { return {}; },