diff options
Diffstat (limited to 'src/core')
| -rw-r--r-- | src/core/arm/dyncom/arm_dyncom.cpp | 7 | ||||
| -rw-r--r-- | src/core/arm/skyeye_common/arminit.cpp | 32 | ||||
| -rw-r--r-- | src/core/arm/skyeye_common/armstate.h | 20 | ||||
| -rw-r--r-- | src/core/arm/skyeye_common/armsupp.h | 2 |
4 files changed, 2 insertions, 59 deletions
diff --git a/src/core/arm/dyncom/arm_dyncom.cpp b/src/core/arm/dyncom/arm_dyncom.cpp index 8d4a7dd98..a51a3acf8 100644 --- a/src/core/arm/dyncom/arm_dyncom.cpp +++ b/src/core/arm/dyncom/arm_dyncom.cpp @@ -20,15 +20,8 @@ ARM_DynCom::ARM_DynCom(PrivilegeMode initial_mode) { state = Common::make_unique<ARMul_State>(); - ARMul_NewState(state.get()); - ARMul_SelectProcessor(state.get(), ARM_v6_Prop | ARM_v5_Prop | ARM_v5e_Prop); - - state->bigendSig = LOW; - state->NirqSig = HIGH; - // Reset the core to initial state ARMul_Reset(state.get()); - state->Emulate = RUN; // Switch to the desired privilege mode. switch_mode(state.get(), initial_mode); diff --git a/src/core/arm/skyeye_common/arminit.cpp b/src/core/arm/skyeye_common/arminit.cpp index 4e868f86b..b7c508d75 100644 --- a/src/core/arm/skyeye_common/arminit.cpp +++ b/src/core/arm/skyeye_common/arminit.cpp @@ -19,33 +19,6 @@ #include "core/arm/skyeye_common/armstate.h" #include "core/arm/skyeye_common/vfp/vfp.h" -/***************************************************************************\ -* Returns a new instantiation of the ARMulator's state * -\***************************************************************************/ -ARMul_State* ARMul_NewState(ARMul_State* state) -{ - state->Emulate = RUN; - state->Mode = USER32MODE; - - state->lateabtSig = HIGH; - state->bigendSig = LOW; - - return state; -} - -/***************************************************************************\ -* Call this routine to set ARMulator to model a certain processor * -\***************************************************************************/ - -void ARMul_SelectProcessor(ARMul_State* state, unsigned properties) -{ - state->is_v4 = (properties & (ARM_v4_Prop | ARM_v5_Prop)) != 0; - state->is_v5 = (properties & ARM_v5_Prop) != 0; - state->is_v5e = (properties & ARM_v5e_Prop) != 0; - state->is_v6 = (properties & ARM_v6_Prop) != 0; - state->is_v7 = (properties & ARM_v7_Prop) != 0; -} - // Resets certain MPCore CP15 values to their ARM-defined reset values. static void ResetMPCoreCP15Registers(ARMul_State* cpu) { @@ -104,9 +77,7 @@ static void ResetMPCoreCP15Registers(ARMul_State* cpu) cpu->CP15[CP15_TLB_DEBUG_CONTROL] = 0x00000000; } -/***************************************************************************\ -* Call this routine to set up the initial machine state (or perform a RESET * -\***************************************************************************/ +// Performs a reset void ARMul_Reset(ARMul_State* state) { VFPInit(state); @@ -125,4 +96,5 @@ void ARMul_Reset(ARMul_State* state) state->abortSig = LOW; state->NumInstrs = 0; + state->Emulate = RUN; } diff --git a/src/core/arm/skyeye_common/armstate.h b/src/core/arm/skyeye_common/armstate.h index 0a165bcf0..3ba0ba5cd 100644 --- a/src/core/arm/skyeye_common/armstate.h +++ b/src/core/arm/skyeye_common/armstate.h @@ -89,31 +89,12 @@ struct ARMul_State unsigned bigendSig; unsigned syscallSig; - // For differentiating ARM core emulation. - bool is_v4; // Are we emulating a v4 architecture (or higher)? - bool is_v5; // Are we emulating a v5 architecture? - bool is_v5e; // Are we emulating a v5e architecture? - bool is_v6; // Are we emulating a v6 architecture? - bool is_v7; // Are we emulating a v7 architecture? - // TODO(bunnei): Move this cache to a better place - it should be per codeset (likely per // process for our purposes), not per ARMul_State (which tracks CPU core state). std::unordered_map<u32, int> instruction_cache; }; /***************************************************************************\ -* Types of ARM we know about * -\***************************************************************************/ - -enum { - ARM_v4_Prop = 0x01, - ARM_v5_Prop = 0x02, - ARM_v5e_Prop = 0x04, - ARM_v6_Prop = 0x08, - ARM_v7_Prop = 0x10, -}; - -/***************************************************************************\ * The hardware vector addresses * \***************************************************************************/ @@ -167,7 +148,6 @@ enum { * Definitions of things in the emulator * \***************************************************************************/ void ARMul_Reset(ARMul_State* state); -ARMul_State* ARMul_NewState(ARMul_State* state); /***************************************************************************\ * Definitions of things in the co-processor interface * diff --git a/src/core/arm/skyeye_common/armsupp.h b/src/core/arm/skyeye_common/armsupp.h index d82b21107..5cf1cd1d3 100644 --- a/src/core/arm/skyeye_common/armsupp.h +++ b/src/core/arm/skyeye_common/armsupp.h @@ -17,8 +17,6 @@ struct ARMul_State; bool AddOverflow(u32, u32, u32); bool SubOverflow(u32, u32, u32); -void ARMul_SelectProcessor(ARMul_State*, unsigned); - u32 AddWithCarry(u32, u32, u32, bool*, bool*); bool ARMul_AddOverflowQ(u32, u32); |