citra/src/core/hle/service/gsp.cpp

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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#include "common/log.h"
#include "core/mem_map.h"
#include "core/hle/hle.h"
#include "core/hle/service/gsp.h"
#include "core/hw/lcd.h"
2014-04-17 02:46:05 +02:00
////////////////////////////////////////////////////////////////////////////////////////////////////
// Namespace GSP_GPU
namespace GSP_GPU {
enum {
REG_FRAMEBUFFER_1 = 0x00400468,
REG_FRAMEBUFFER_2 = 0x00400494,
};
/// Read a GSP GPU hardware register
void ReadHWRegs(Service::Interface* self) {
static const u32 framebuffer_1[] = {LCD::PADDR_VRAM_TOP_LEFT_FRAME1, LCD::PADDR_VRAM_TOP_RIGHT_FRAME1};
static const u32 framebuffer_2[] = {LCD::PADDR_VRAM_TOP_LEFT_FRAME2, LCD::PADDR_VRAM_TOP_RIGHT_FRAME2};
u32* cmd_buff = (u32*)HLE::GetPointer(HLE::CMD_BUFFER_ADDR + Service::kCommandHeaderOffset);
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
// whether the framebuffers should be in VRAM or GSP heap, but from what I understand, if the
// user application is reading from either of these registers, then its going to be in VRAM.
// Top framebuffer 1 addresses
case REG_FRAMEBUFFER_1:
LCD::SetFramebufferLocation(LCD::FRAMEBUFFER_LOCATION_VRAM);
memcpy(dst, framebuffer_1, size);
break;
// Top framebuffer 2 addresses
case REG_FRAMEBUFFER_2:
LCD::SetFramebufferLocation(LCD::FRAMEBUFFER_LOCATION_VRAM);
memcpy(dst, framebuffer_2, size);
break;
default:
ERROR_LOG(OSHLE, "GSP_GPU::ReadHWRegs unknown register read at address %08X", reg_addr);
}
}
void RegisterInterruptRelayQueue(Service::Interface* self) {
u32* cmd_buff = (u32*)HLE::GetPointer(HLE::CMD_BUFFER_ADDR + Service::kCommandHeaderOffset);
u32 flags = cmd_buff[1];
u32 event_handle = cmd_buff[3]; // TODO(bunnei): Implement event handling
cmd_buff[4] = self->NewHandle();
return;
}
const Interface::FunctionInfo FunctionTable[] = {
{0x00010082, NULL, "WriteHWRegs"},
{0x00020084, NULL, "WriteHWRegsWithMask"},
{0x00030082, NULL, "WriteHWRegRepeat"},
{0x00040080, ReadHWRegs, "ReadHWRegs"},
{0x00050200, NULL, "SetBufferSwap"},
{0x00060082, NULL, "SetCommandList"},
{0x000700C2, NULL, "RequestDma"},
{0x00080082, NULL, "FlushDataCache"},
{0x00090082, NULL, "InvalidateDataCache"},
{0x000A0044, NULL, "RegisterInterruptEvents"},
{0x000B0040, NULL, "SetLcdForceBlack"},
{0x000C0000, NULL, "TriggerCmdReqQueue"},
{0x000D0140, NULL, "SetDisplayTransfer"},
{0x000E0180, NULL, "SetTextureCopy"},
{0x000F0200, NULL, "SetMemoryFill"},
{0x00100040, NULL, "SetAxiConfigQoSMode"},
{0x00110040, NULL, "SetPerfLogMode"},
{0x00120000, NULL, "GetPerfLog"},
{0x00130042, RegisterInterruptRelayQueue, "RegisterInterruptRelayQueue"},
{0x00140000, NULL, "UnregisterInterruptRelayQueue"},
{0x00150002, NULL, "TryAcquireRight"},
{0x00160042, NULL, "AcquireRight"},
{0x00170000, NULL, "ReleaseRight"},
{0x00180000, NULL, "ImportDisplayCaptureInfo"},
{0x00190000, NULL, "SaveVramSysArea"},
{0x001A0000, NULL, "RestoreVramSysArea"},
{0x001B0000, NULL, "ResetGpuCore"},
{0x001C0040, NULL, "SetLedForceOff"},
{0x001D0040, NULL, "SetTestCommand"},
{0x001E0080, NULL, "SetInternalPriorities"},
};
////////////////////////////////////////////////////////////////////////////////////////////////////
// Interface class
Interface::Interface() {
Register(FunctionTable, ARRAY_SIZE(FunctionTable));
}
Interface::~Interface() {
}
} // namespace