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authorbunnei <ericbunnie@gmail.com>2014-04-25 23:15:19 +0200
committerbunnei <ericbunnie@gmail.com>2014-04-25 23:15:19 +0200
commitcb0663de5147f10533ecdbf6f58865f7cbe0241c (patch)
tree30a122d3da59134e431ab2e6ef389d8f00467038 /src/core/hle
parentadded disassembly to unimplemented instruction (diff)
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Diffstat (limited to '')
-rw-r--r--src/core/hle/hle.cpp8
-rw-r--r--src/core/hle/hle.h2
-rw-r--r--src/core/hle/mrc.cpp32
-rw-r--r--src/core/hle/mrc.h20
4 files changed, 52 insertions, 10 deletions
diff --git a/src/core/hle/hle.cpp b/src/core/hle/hle.cpp
index 5672a659f..aae9a3943 100644
--- a/src/core/hle/hle.cpp
+++ b/src/core/hle/hle.cpp
@@ -80,14 +80,6 @@ void CallSyscall(u32 opcode) {
}
}
-/// Returns the coprocessor (in this case, syscore) command buffer pointer
-Addr CallGetThreadCommandBuffer() {
- // 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);
- return CMD_BUFFER_ADDR;
-}
-
void RegisterModule(std::string name, int num_functions, const FunctionDef* func_table) {
ModuleDef module = {name, num_functions, func_table};
g_module_db.push_back(module);
diff --git a/src/core/hle/hle.h b/src/core/hle/hle.h
index 628a1da89..907e2d741 100644
--- a/src/core/hle/hle.h
+++ b/src/core/hle/hle.h
@@ -57,8 +57,6 @@ void RegisterModule(std::string name, int num_functions, const FunctionDef *func
void CallSyscall(u32 opcode);
-Addr CallGetThreadCommandBuffer();
-
void Init();
void Shutdown();
diff --git a/src/core/hle/mrc.cpp b/src/core/hle/mrc.cpp
new file mode 100644
index 000000000..04d6cb5a5
--- /dev/null
+++ b/src/core/hle/mrc.cpp
@@ -0,0 +1,32 @@
+#include "mrc.h"
+#include "hle.h"
+
+namespace HLE {
+
+/// Returns the coprocessor (in this case, syscore) command buffer pointer
+Addr CallGetThreadCommandBuffer() {
+ // 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);
+ return CMD_BUFFER_ADDR;
+}
+
+/// Call an MRC operation in HLE
+u32 CallMRC(ARM11_MRC_OPERATION operation) {
+ switch (operation) {
+
+ case DATA_SYNCHRONIZATION_BARRIER:
+ ERROR_LOG(OSHLE, "Unimplemented MRC operation DATA_SYNCHRONIZATION_BARRIER");
+ break;
+
+ case CALL_GET_THREAD_COMMAND_BUFFER:
+ return CallGetThreadCommandBuffer();
+
+ default:
+ ERROR_LOG(OSHLE, "Unimplemented MRC operation 0x%02X", operation);
+ break;
+ }
+ return -1;
+}
+
+} // namespace
diff --git a/src/core/hle/mrc.h b/src/core/hle/mrc.h
new file mode 100644
index 000000000..d6b9f162f
--- /dev/null
+++ b/src/core/hle/mrc.h
@@ -0,0 +1,20 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "common/common_types.h"
+
+namespace HLE {
+
+/// MRC operations (ARM register from coprocessor), decoded as instr[20:27]
+enum ARM11_MRC_OPERATION {
+ DATA_SYNCHRONIZATION_BARRIER = 0xE0,
+ CALL_GET_THREAD_COMMAND_BUFFER = 0xE1,
+};
+
+/// Call an MRC operation in HLE
+u32 CallMRC(ARM11_MRC_OPERATION operation);
+
+} // namespace