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GSP: Define more GX commands.

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Tony Wasserka 2014-05-17 22:26:45 +02:00 committed by bunnei
parent b1c8bad9a6
commit 82d3260359
2 changed files with 54 additions and 14 deletions
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51
src/core/hle/service/gsp.cpp
View file

@ -12,23 +12,24 @@
#include "core/hw/lcd.h"
#include "video_core/gpu_debugger.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
/// GSP shared memory GX command buffer header
union GX_CmdBufferHeader {
u32 hex;
// Current command index. This index is updated by GSP module after loading the command data,
// right before the command is processed. When this index is updated by GSP module, the total
// Current command index. This index is updated by GSP module after loading the command data,
// right before the command is processed. When this index is updated by GSP module, the total
// commands field is decreased by one as well.
BitField<0,8,u32> index;
// Total commands to process, must not be value 0 when GSP module handles commands. This must be
// <=15 when writing a command to shared memory. This is incremented by the application when
// writing a command to shared memory, after increasing this value TriggerCmdReqQueue is only
// <=15 when writing a command to shared memory. This is incremented by the application when
// writing a command to shared memory, after increasing this value TriggerCmdReqQueue is only
// used if this field is value 1.
BitField<8,8,u32> number_commands;
};
/// Gets the address of the start (header) of a command buffer in GSP shared memory
@ -45,6 +46,7 @@ static inline u8* GX_GetCmdBufferPointer(u32 thread_id, u32 offset=0) {
void GX_FinishCommand(u32 thread_id) {
GX_CmdBufferHeader* header = (GX_CmdBufferHeader*)GX_GetCmdBufferPointer(thread_id);
header->number_commands = header->number_commands - 1;
// TODO: Increment header->index?
}
////////////////////////////////////////////////////////////////////////////////////////////////////
@ -54,10 +56,6 @@ namespace GSP_GPU {
u32 g_thread_id = 0;
enum {
CMD_GX_REQUEST_DMA = 0x00000000,
};
enum {
REG_FRAMEBUFFER_1 = 0x00400468,
REG_FRAMEBUFFER_2 = 0x00400494,
@ -72,7 +70,7 @@ void ReadHWRegs(Service::Interface* self) {
u32 reg_addr = cmd_buff[1];
u32 size = cmd_buff[2];
u32* dst = (u32*)Memory::GetPointer(cmd_buff[0x41]);
switch (reg_addr) {
// NOTE: Calling SetFramebufferLocation here is a hack... Not sure the correct way yet to set
@ -101,25 +99,50 @@ void RegisterInterruptRelayQueue(Service::Interface* self) {
u32* cmd_buff = Service::GetCommandBuffer();
u32 flags = cmd_buff[1];
u32 event_handle = cmd_buff[3]; // TODO(bunnei): Implement event handling
cmd_buff[2] = g_thread_id; // ThreadID
}
/// This triggers handling of the GX command written to the command buffer in shared memory.
void TriggerCmdReqQueue(Service::Interface* self) {
GX_CmdBufferHeader* header = (GX_CmdBufferHeader*)GX_GetCmdBufferPointer(g_thread_id);
u32* cmd_buff = (u32*)GX_GetCmdBufferPointer(g_thread_id, 0x20 + (header->index * 0x20));
switch (cmd_buff[0]) {
switch (static_cast<GXCommandId>(cmd_buff[0])) {
// GX request DMA - typically used for copying memory from GSP heap to VRAM
case CMD_GX_REQUEST_DMA:
case GXCommandId::REQUEST_DMA:
memcpy(Memory::GetPointer(cmd_buff[2]), Memory::GetPointer(cmd_buff[1]), cmd_buff[3]);
break;
case GXCommandId::SET_COMMAND_LIST_LAST:
LCD::Write<u32>(LCD::CommandListAddress, cmd_buff[1] >> 3);
LCD::Write<u32>(LCD::CommandListSize, cmd_buff[2] >> 3);
LCD::Write<u32>(LCD::ProcessCommandList, 1); // TODO: Not sure if we are supposed to always write this
break;
case GXCommandId::SET_MEMORY_FILL:
break;
case GXCommandId::SET_DISPLAY_TRANSFER:
break;
case GXCommandId::SET_TEXTURE_COPY:
break;
case GXCommandId::SET_COMMAND_LIST_FIRST:
{
//u32* buf0_data = (u32*)Memory::GetPointer(cmd_buff[1]);
//u32* buf1_data = (u32*)Memory::GetPointer(cmd_buff[3]);
//u32* buf2_data = (u32*)Memory::GetPointer(cmd_buff[5]);
break;
}
default:
ERROR_LOG(GSP, "TriggerCmdReqQueue unknown command 0x%08X", cmd_buff[0]);
}
GX_FinishCommand(g_thread_id);
}

17
src/core/hle/service/gsp.h
View file

@ -11,6 +11,23 @@
namespace GSP_GPU {
enum class GXCommandId : u32 {
REQUEST_DMA = 0x00000000,
SET_COMMAND_LIST_LAST = 0x00000001,
SET_MEMORY_FILL = 0x00000002, // TODO: Confirm? (lictru uses 0x01000102)
SET_DISPLAY_TRANSFER = 0x00000003,
SET_TEXTURE_COPY = 0x00000004,
SET_COMMAND_LIST_FIRST = 0x00000005,
};
union GXCommand {
struct {
GXCommandId id;
};
u32 data[0x20];
};
/// Interface to "srv:" service
class Interface : public Service::Interface {
public: