forked from suyu/suyu
added preliminary DataSynchronizationBarrier support with simple DMA copy
This commit is contained in:
parent
25d595d869
commit
a272803dcb
1 changed files with 39 additions and 7 deletions
|
@ -1,10 +1,43 @@
|
|||
#include "mrc.h"
|
||||
#include "hle.h"
|
||||
// Copyright 2014 Citra Emulator Project
|
||||
// Licensed under GPLv2
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#include "core/hle/mrc.h"
|
||||
#include "core/hle/hle.h"
|
||||
#include "core/mem_map.h"
|
||||
#include "core/core.h"
|
||||
|
||||
namespace HLE {
|
||||
|
||||
enum {
|
||||
CMD_GX_REQUEST_DMA = 0x00000000,
|
||||
};
|
||||
|
||||
/// Data synchronization barrier
|
||||
u32 DataSynchronizationBarrier(u32* command_buffer) {
|
||||
u32 command = command_buffer[0];
|
||||
|
||||
switch (command) {
|
||||
|
||||
case CMD_GX_REQUEST_DMA:
|
||||
{
|
||||
u32* src = (u32*)Memory::GetPointer(command_buffer[1]);
|
||||
u32* dst = (u32*)Memory::GetPointer(command_buffer[2]);
|
||||
u32 size = command_buffer[3];
|
||||
memcpy(dst, src, size);
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
ERROR_LOG(OSHLE, "MRC::DataSynchronizationBarrier unknown command 0x%08X", command);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/// Returns the coprocessor (in this case, syscore) command buffer pointer
|
||||
Addr CallGetThreadCommandBuffer() {
|
||||
Addr GetThreadCommandBuffer() {
|
||||
// Called on insruction: mrc p15, 0, r0, c13, c0, 3
|
||||
// Returns an address in OSHLE memory for the CPU to read/write to
|
||||
RETURN(CMD_BUFFER_ADDR);
|
||||
|
@ -16,14 +49,13 @@ u32 CallMRC(ARM11_MRC_OPERATION operation) {
|
|||
switch (operation) {
|
||||
|
||||
case DATA_SYNCHRONIZATION_BARRIER:
|
||||
ERROR_LOG(OSHLE, "Unimplemented MRC operation DATA_SYNCHRONIZATION_BARRIER");
|
||||
break;
|
||||
return DataSynchronizationBarrier((u32*)Memory::GetPointer(PARAM(0)));
|
||||
|
||||
case CALL_GET_THREAD_COMMAND_BUFFER:
|
||||
return CallGetThreadCommandBuffer();
|
||||
return GetThreadCommandBuffer();
|
||||
|
||||
default:
|
||||
ERROR_LOG(OSHLE, "Unimplemented MRC operation 0x%02X", operation);
|
||||
ERROR_LOG(OSHLE, "unimplemented MRC operation 0x%02X", operation);
|
||||
break;
|
||||
}
|
||||
return -1;
|
||||
|
|
Loading…
Reference in a new issue