1 files changed, 86 insertions, 0 deletions
diff --git a/src/core/arm/interpreter/arm_interpreter.cpp b/src/core/arm/interpreter/arm_interpreter.cpp
new file mode 100644
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--- /dev/null
+++ b/src/core/arm/interpreter/arm_interpreter.cpp
@@ -0,0 +1,86 @@
+/**
+ * Copyright (C) 2013 Citrus Emulator
+ *
+ * @file    arm_interpreter.h
+ * @author  bunnei
+ * @date    2014-04-04
+ * @brief   ARM interface instance for SkyEye interprerer
+ *
+ * @section LICENSE
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details at
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * Official project repository can be found at:
+ * http://code.google.com/p/gekko-gc-emu/
+ */
+
+#include "arm_interpreter.h"
+
+const static cpu_config_t s_arm11_cpu_info = {
+    "armv6", "arm11", 0x0007b000, 0x0007f000, NONCACHE
+};
+
+ARM_Interpreter::ARM_Interpreter()  {
+
+    state = new ARMul_State;
+
+    ARMul_EmulateInit();
+    ARMul_NewState(state);
+
+    state->abort_model = 0;
+    state->cpu = (cpu_config_t*)&s_arm11_cpu_info;
+    state->bigendSig = LOW;
+
+    ARMul_SelectProcessor(state, ARM_v6_Prop | ARM_v5_Prop | ARM_v5e_Prop);
+    state->lateabtSig = LOW;
+    mmu_init(state);
+
+    // Reset the core to initial state
+    ARMul_Reset(state);
+    state->NextInstr = 0;
+    state->Emulate = 3;
+
+    state->pc = state->Reg[15] = 0x00000000;
+    state->Reg[13] = 0x10000000; // Set stack pointer to the top of the stack
+}
+
+void ARM_Interpreter::SetPC(u32 pc) {
+    state->pc = state->Reg[15] = pc;
+}
+
+u32 ARM_Interpreter::PC() {
+    return state->pc;
+}
+
+u32 ARM_Interpreter::Reg(int index){
+    return state->Reg[index];
+}
+
+u32 ARM_Interpreter::CPSR() {
+    return state->Cpsr;
+}
+
+ARM_Interpreter::~ARM_Interpreter() {
+    delete state;
+}
+
+void ARM_Interpreter::ExecuteInstruction() {
+    state->step++;
+    state->cycle++;
+    state->EndCondition = 0;
+    state->stop_simulator = 0;
+    state->NextInstr = RESUME;
+    state->last_pc = state->Reg[15];
+    state->Reg[15] = ARMul_DoInstr(state);
+    state->Cpsr = ((state->Cpsr & 0x0fffffdf) | (state->NFlag << 31) | (state->ZFlag << 30) | 
+                   (state->CFlag << 29) | (state->VFlag << 28) | (state->TFlag << 5));
+    FLUSHPIPE;
+}