arm: Get rid of some magic constants. Specify proper ARM mode.

Initially, we were starting the emulator in USER26MODE, which is incorrect, this should be USER32MODE.

src/core/arm/dyncom/arm_dyncom.cpp

@@ -23,7 +23,7 @@ ARM_DynCom::ARM_DynCom() {
 
     ARMul_NewState((ARMul_State*)state.get());
 
-    state->abort_model = 0;
+    state->abort_model = ABORT_BASE_RESTORED;
     state->cpu = (cpu_config_t*)&s_arm11_cpu_info;
     state->bigendSig = LOW;
 
@@ -34,7 +34,7 @@ ARM_DynCom::ARM_DynCom() {
     ARMul_CoProInit(state.get());
     ARMul_Reset(state.get());
     state->NextInstr = RESUME; // NOTE: This will be overwritten by LoadContext
-    state->Emulate = 3;
+    state->Emulate = RUN;
 
     state->Reg[15] = 0x00000000;
     state->Reg[13] = 0x10000000; // Set stack pointer to the top of the stack

src/core/arm/interpreter/arminit.cpp

@@ -74,7 +74,7 @@ ARMul_State* ARMul_NewState(ARMul_State* state)
     for (unsigned int i = 0; i < 7; i++)
         state->Spsr[i] = 0;
 
-    state->Mode = 0;
+    state->Mode = USER32MODE;
 
     state->VectorCatch = 0;
     state->Aborted = false;

src/core/arm/skyeye_common/armdefs.h

@@ -50,6 +50,13 @@ enum {
     INSTCACHE = 2,
 };
 
+// Abort models
+enum {
+    ABORT_BASE_RESTORED = 0,
+    ABORT_EARLY         = 1,
+    ABORT_BASE_UPDATED  = 2
+};
+
 #define POS(i) ( (~(i)) >> 31 )
 #define NEG(i) ( (i) >> 31 )