diff options
| -rw-r--r-- | src/core/arm/dyncom/arm_dyncom_interpreter.cpp | 130 |
1 files changed, 64 insertions, 66 deletions
diff --git a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp index ebc1b96b9..81d8c7026 100644 --- a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp +++ b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp @@ -68,6 +68,67 @@ static void remove_exclusive(ARMul_State* state, ARMword addr){ state->exclusive_tag = 0xFFFFFFFF; } +static int CondPassed(ARMul_State* cpu, unsigned int cond) { + #define NFLAG cpu->NFlag + #define ZFLAG cpu->ZFlag + #define CFLAG cpu->CFlag + #define VFLAG cpu->VFlag + + int temp = 0; + + switch (cond) { + case 0x0: + temp = ZFLAG; + break; + case 0x1: // NE + temp = !ZFLAG; + break; + case 0x2: // CS + temp = CFLAG; + break; + case 0x3: // CC + temp = !CFLAG; + break; + case 0x4: // MI + temp = NFLAG; + break; + case 0x5: // PL + temp = !NFLAG; + break; + case 0x6: // VS + temp = VFLAG; + break; + case 0x7: // VC + temp = !VFLAG; + break; + case 0x8: // HI + temp = (CFLAG && !ZFLAG); + break; + case 0x9: // LS + temp = (!CFLAG || ZFLAG); + break; + case 0xa: // GE + temp = ((!NFLAG && !VFLAG) || (NFLAG && VFLAG)); + break; + case 0xb: // LT + temp = ((NFLAG && !VFLAG) || (!NFLAG && VFLAG)); + break; + case 0xc: // GT + temp = ((!NFLAG && !VFLAG && !ZFLAG) || (NFLAG && VFLAG && !ZFLAG)); + break; + case 0xd: // LE + temp = ((NFLAG && !VFLAG) || (!NFLAG && VFLAG)) || ZFLAG; + break; + case 0xe: // AL + temp = 1; + break; + case 0xf: + temp = 1; + break; + } + return temp; +} + static unsigned int DPO(Immediate)(ARMul_State* cpu, unsigned int sht_oper) { unsigned int immed_8 = BITS(sht_oper, 0, 7); unsigned int rotate_imm = BITS(sht_oper, 8, 11); @@ -230,8 +291,6 @@ struct ldst_inst { }; #define DEBUG_MSG LOG_DEBUG(Core_ARM11, "inst is %x", inst); CITRA_IGNORE_EXIT(0) -int CondPassed(ARMul_State* cpu, unsigned int cond); - #define LnSWoUB(s) glue(LnSWoUB, s) #define MLnS(s) glue(MLnS, s) #define LdnStM(s) glue(LdnStM, s) @@ -1108,9 +1167,9 @@ struct pkh_inst { typedef arm_inst * ARM_INST_PTR; #define CACHE_BUFFER_SIZE (64 * 1024 * 2000) -char inst_buf[CACHE_BUFFER_SIZE]; -int top = 0; -inline void *AllocBuffer(unsigned int size) { +static char inst_buf[CACHE_BUFFER_SIZE]; +static int top = 0; +static inline void *AllocBuffer(unsigned int size) { int start = top; top += size; if (top > CACHE_BUFFER_SIZE) { @@ -1120,67 +1179,6 @@ inline void *AllocBuffer(unsigned int size) { return (void *)&inst_buf[start]; } -int CondPassed(ARMul_State* cpu, unsigned int cond) { - #define NFLAG cpu->NFlag - #define ZFLAG cpu->ZFlag - #define CFLAG cpu->CFlag - #define VFLAG cpu->VFlag - - int temp = 0; - - switch (cond) { - case 0x0: - temp = ZFLAG; - break; - case 0x1: // NE - temp = !ZFLAG; - break; - case 0x6: // VS - temp = VFLAG; - break; - case 0x7: // VC - temp = !VFLAG; - break; - case 0x4: // MI - temp = NFLAG; - break; - case 0x5: // PL - temp = !NFLAG; - break; - case 0x2: // CS - temp = CFLAG; - break; - case 0x3: // CC - temp = !CFLAG; - break; - case 0x8: // HI - temp = (CFLAG && !ZFLAG); - break; - case 0x9: // LS - temp = (!CFLAG || ZFLAG); - break; - case 0xa: // GE - temp = ((!NFLAG && !VFLAG) || (NFLAG && VFLAG)); - break; - case 0xb: // LT - temp = ((NFLAG && !VFLAG) || (!NFLAG && VFLAG)); - break; - case 0xc: // GT - temp = ((!NFLAG && !VFLAG && !ZFLAG) || (NFLAG && VFLAG && !ZFLAG)); - break; - case 0xd: // LE - temp = ((NFLAG && !VFLAG) || (!NFLAG && VFLAG)) || ZFLAG; - break; - case 0xe: // AL - temp = 1; - break; - case 0xf: - temp = 1; - break; - } - return temp; -} - enum DECODE_STATUS { DECODE_SUCCESS, DECODE_FAILURE |