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IPC helpers example

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Lectem 2016-12-26 13:58:50 +01:00
parent 8f2b642415
commit 8baae9d982
3 changed files with 40 additions and 35 deletions
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27
src/core/hle/service/fs/fs_user.cpp
View file

@ -54,15 +54,17 @@ static void Initialize(Service::Interface* self) {
* 3 : File handle
*/
static void OpenFile(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
// The helper should be passed by argument to the function
IPC::RequestParser rp(Kernel::GetCommandBuffer(), {0x080201C2});
rp.Pop<u32>(); // Always 0 ?
ArchiveHandle archive_handle = MakeArchiveHandle(cmd_buff[2], cmd_buff[3]);
auto filename_type = static_cast<FileSys::LowPathType>(cmd_buff[4]);
u32 filename_size = cmd_buff[5];
ArchiveHandle archive_handle = rp.Pop<u64>();
auto filename_type = static_cast<FileSys::LowPathType>(rp.Pop<u32>());
u32 filename_size = rp.Pop<u32>();
FileSys::Mode mode;
mode.hex = cmd_buff[6];
u32 attributes = cmd_buff[7]; // TODO(Link Mauve): do something with those attributes.
u32 filename_ptr = cmd_buff[9];
mode.hex = rp.Pop<u32>();
u32 attributes = rp.Pop<u32>(); // TODO(Link Mauve): do something with those attributes.
VAddr filename_ptr = rp.PopStaticBuffer();
FileSys::Path file_path(filename_type, filename_size, filename_ptr);
LOG_DEBUG(Service_FS, "path=%s, mode=%u attrs=%u", file_path.DebugStr().c_str(), mode.hex,
@ -70,16 +72,17 @@ static void OpenFile(Service::Interface* self) {
ResultVal<std::shared_ptr<File>> file_res =
OpenFileFromArchive(archive_handle, file_path, mode);
cmd_buff[1] = file_res.Code().raw;
IPC::RequestBuilder rb = rp.MakeBuilder(1, 2);
rb.Push(file_res.Code());
if (file_res.Succeeded()) {
std::shared_ptr<File> file = *file_res;
auto sessions = ServerSession::CreateSessionPair(file->GetName(), file);
file->ClientConnected(std::get<Kernel::SharedPtr<Kernel::ServerSession>>(sessions));
cmd_buff[3] = Kernel::g_handle_table
.Create(std::get<Kernel::SharedPtr<Kernel::ClientSession>>(sessions))
.MoveFrom();
rb.PushMoveHandles(Kernel::g_handle_table
.Create(std::get<Kernel::SharedPtr<Kernel::ClientSession>>(sessions))
.MoveFrom());
} else {
cmd_buff[3] = 0;
rb.PushMoveHandles(0);
LOG_ERROR(Service_FS, "failed to get a handle for file %s", file_path.DebugStr().c_str());
}
}

1
src/core/hle/service/service.h
View file

@ -10,6 +10,7 @@
#include <boost/container/flat_map.hpp>
#include "common/common_types.h"
#include "core/hle/ipc.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/client_port.h"
#include "core/hle/kernel/thread.h"
#include "core/hle/result.h"

47
src/core/hle/service/y2r_u.cpp
View file

@ -281,37 +281,39 @@ static void GetTransferEndEvent(Interface* self) {
}
static void SetSendingY(Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
// The helper should be passed by argument to the function
IPC::RequestParser rp(Kernel::GetCommandBuffer(), 0x00100102);
conversion.src_Y.address = rp.Pop<u32>();
conversion.src_Y.image_size = rp.Pop<u32>();
conversion.src_Y.transfer_unit = rp.Pop<u32>();
conversion.src_Y.gap = rp.Pop<u32>();
Kernel::Handle src_process_handle = rp.PopHandle();
conversion.src_Y.address = cmd_buff[1];
conversion.src_Y.image_size = cmd_buff[2];
conversion.src_Y.transfer_unit = cmd_buff[3];
conversion.src_Y.gap = cmd_buff[4];
cmd_buff[0] = IPC::MakeHeader(0x10, 1, 0);
cmd_buff[1] = RESULT_SUCCESS.raw;
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(RESULT_SUCCESS);
LOG_DEBUG(Service_Y2R, "called image_size=0x%08X, transfer_unit=%hu, transfer_stride=%hu, "
"src_process_handle=0x%08X",
conversion.src_Y.image_size, conversion.src_Y.transfer_unit, conversion.src_Y.gap,
cmd_buff[6]);
src_process_handle);
}
static void SetSendingU(Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
// The helper should be passed by argument to the function
IPC::RequestParser rp(Kernel::GetCommandBuffer(), 0x00110102);
conversion.src_U.address = rp.Pop<u32>();
conversion.src_U.image_size = rp.Pop<u32>();
conversion.src_U.transfer_unit = rp.Pop<u32>();
conversion.src_U.gap = rp.Pop<u32>();
Kernel::Handle src_process_handle = rp.PopHandle();
conversion.src_U.address = cmd_buff[1];
conversion.src_U.image_size = cmd_buff[2];
conversion.src_U.transfer_unit = cmd_buff[3];
conversion.src_U.gap = cmd_buff[4];
cmd_buff[0] = IPC::MakeHeader(0x11, 1, 0);
cmd_buff[1] = RESULT_SUCCESS.raw;
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(RESULT_SUCCESS);
LOG_DEBUG(Service_Y2R, "called image_size=0x%08X, transfer_unit=%hu, transfer_stride=%hu, "
"src_process_handle=0x%08X",
conversion.src_U.image_size, conversion.src_U.transfer_unit, conversion.src_U.gap,
cmd_buff[6]);
src_process_handle);
}
static void SetSendingV(Interface* self) {
@ -559,11 +561,10 @@ static void GetAlpha(Interface* self) {
}
static void SetDitheringWeightParams(Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
std::memcpy(&dithering_weight_params, &cmd_buff[1], sizeof(DitheringWeightParams));
cmd_buff[0] = IPC::MakeHeader(0x24, 1, 0);
cmd_buff[1] = RESULT_SUCCESS.raw;
IPC::RequestParser rp(Kernel::GetCommandBuffer(), 0x24, 8, 0); // 0x240200
rp.PopRaw(dithering_weight_params);
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(RESULT_SUCCESS);
LOG_DEBUG(Service_Y2R, "called");
}