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GSP: Small tweaks to shared memory initialization

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This commit is contained in:
Yuri Kunde Schlesner
2015-05-10 19:51:37 -03:00
parent 774eea8374
commit 1538a34eda
1 changed files with 11 additions and 9 deletions
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20
src/core/hle/service/gsp_gpu.cpp
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@@ -31,7 +31,7 @@ Kernel::SharedPtr<Kernel::Event> g_interrupt_event;
/// GSP shared memoryings
Kernel::SharedPtr<Kernel::SharedMemory> g_shared_memory;
/// Thread index into interrupt relay queue, 1 is arbitrary
u32 g_thread_id = 1;
u32 g_thread_id = 0;
/// Gets a pointer to a thread command buffer in GSP shared memory
static inline u8* GetCommandBuffer(u32 thread_id) {
@@ -277,7 +277,7 @@ static void FlushDataCache(Service::Interface* self) {
* 1 : "Flags" field, purpose is unknown
* 3 : Handle to GSP synchronization event
* Outputs:
* 0 : Result of function, 0 on success, otherwise error code
* 1 : Result of function, 0x2A07 on success, otherwise error code
* 2 : Thread index into GSP command buffer
* 4 : Handle to GSP shared memory
*/
@@ -288,13 +288,11 @@ static void RegisterInterruptRelayQueue(Service::Interface* self) {
g_interrupt_event = Kernel::g_handle_table.Get<Kernel::Event>(cmd_buff[3]);
ASSERT_MSG((g_interrupt_event != nullptr), "handle is not valid!");
using Kernel::MemoryPermission;
g_shared_memory = Kernel::SharedMemory::Create(0x1000, MemoryPermission::ReadWrite,
MemoryPermission::ReadWrite, "GSPSharedMem");
Handle shmem_handle = Kernel::g_handle_table.Create(g_shared_memory).MoveFrom();
cmd_buff[1] = 0x2A07; // Value verified by 3dmoo team, purpose unknown, but needed for GSP init
// This specific code is required for a successful initialization, rather than 0
cmd_buff[1] = ResultCode((ErrorDescription)519, ErrorModule::GX,
ErrorSummary::Success, ErrorLevel::Success).raw;
cmd_buff[2] = g_thread_id++; // Thread ID
cmd_buff[4] = shmem_handle; // GSP shared memory
@@ -529,8 +527,12 @@ Interface::Interface() {
Register(FunctionTable);
g_interrupt_event = 0;
g_shared_memory = 0;
g_thread_id = 1;
using Kernel::MemoryPermission;
g_shared_memory = Kernel::SharedMemory::Create(0x1000, MemoryPermission::ReadWrite,
MemoryPermission::ReadWrite, "GSPSharedMem");
g_thread_id = 0;
}
} // namespace