diff options
Diffstat (limited to 'src/core')
| -rw-r--r-- | src/core/arm/dyncom/arm_dyncom_interpreter.cpp | 15 | ||||
| -rw-r--r-- | src/core/arm/dyncom/arm_dyncom_trans.inc | 43 |
2 files changed, 19 insertions, 39 deletions
diff --git a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp index acf66b350..7f6cf6e29 100644 --- a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp +++ b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp @@ -753,6 +753,21 @@ static get_addr_fp_t GetAddressingOp(unsigned int inst) { return nullptr; } +// Specialized for LDRT, LDRBT, STRT, and STRBT, which have specific addressing mode requirements +get_addr_fp_t GetAddressingOpLoadStoreT(unsigned int inst) { + if (BITS(inst, 25, 27) == 2) { + return LnSWoUB(ImmediatePostIndexed); + } else if (BITS(inst, 25, 27) == 3) { + return LnSWoUB(ScaledRegisterPostIndexed); + } + // Reaching this would indicate the thumb version + // of this instruction, however the 3DS CPU doesn't + // support this variant (the 3DS CPU is only ARMv6K, + // while this variant is added in ARMv6T2). + // So it's sufficient for citra to not implement this. + return nullptr; +} + typedef ARM_INST_PTR (*transop_fp_t)(unsigned int, int); #include "arm_dyncom_trans.inc" diff --git a/src/core/arm/dyncom/arm_dyncom_trans.inc b/src/core/arm/dyncom/arm_dyncom_trans.inc index 70a585939..48c6f81e7 100644 --- a/src/core/arm/dyncom/arm_dyncom_trans.inc +++ b/src/core/arm/dyncom/arm_dyncom_trans.inc @@ -420,13 +420,7 @@ static ARM_INST_PTR INTERPRETER_TRANSLATE(ldrbt)(unsigned int inst, int index) inst_base->br = TransExtData::NON_BRANCH; inst_cream->inst = inst; - if (BITS(inst, 25, 27) == 2) { - inst_cream->get_addr = LnSWoUB(ImmediatePostIndexed); - } else if (BITS(inst, 25, 27) == 3) { - inst_cream->get_addr = LnSWoUB(ScaledRegisterPostIndexed); - } else { - DEBUG_MSG; - } + inst_cream->get_addr = GetAddressingOpLoadStoreT(inst); return inst_base; } @@ -522,18 +516,7 @@ static ARM_INST_PTR INTERPRETER_TRANSLATE(ldrt)(unsigned int inst, int index) inst_base->br = TransExtData::NON_BRANCH; inst_cream->inst = inst; - if (BITS(inst, 25, 27) == 2) { - inst_cream->get_addr = LnSWoUB(ImmediatePostIndexed); - } else if (BITS(inst, 25, 27) == 3) { - inst_cream->get_addr = LnSWoUB(ScaledRegisterPostIndexed); - } else { - // Reaching this would indicate the thumb version - // of this instruction, however the 3DS CPU doesn't - // support this variant (the 3DS CPU is only ARMv6K, - // while this variant is added in ARMv6T2). - // So it's sufficient for citra to not implement this. - DEBUG_MSG; - } + inst_cream->get_addr = GetAddressingOpLoadStoreT(inst); if (BITS(inst, 12, 15) == 15) { inst_base->br = TransExtData::INDIRECT_BRANCH; @@ -1424,14 +1407,7 @@ static ARM_INST_PTR INTERPRETER_TRANSLATE(strbt)(unsigned int inst, int index) inst_base->br = TransExtData::NON_BRANCH; inst_cream->inst = inst; - - if (BITS(inst, 25, 27) == 2) { - inst_cream->get_addr = LnSWoUB(ImmediatePostIndexed); - } else if (BITS(inst, 25, 27) == 3) { - inst_cream->get_addr = LnSWoUB(ScaledRegisterPostIndexed); - } else { - DEBUG_MSG; - } + inst_cream->get_addr = GetAddressingOpLoadStoreT(inst); return inst_base; } @@ -1499,18 +1475,7 @@ static ARM_INST_PTR INTERPRETER_TRANSLATE(strt)(unsigned int inst, int index) inst_base->br = TransExtData::NON_BRANCH; inst_cream->inst = inst; - if (BITS(inst, 25, 27) == 2) { - inst_cream->get_addr = LnSWoUB(ImmediatePostIndexed); - } else if (BITS(inst, 25, 27) == 3) { - inst_cream->get_addr = LnSWoUB(ScaledRegisterPostIndexed); - } else { - // Reaching this would indicate the thumb version - // of this instruction, however the 3DS CPU doesn't - // support this variant (the 3DS CPU is only ARMv6K, - // while this variant is added in ARMv6T2). - // So it's sufficient for citra to not implement this. - DEBUG_MSG; - } + inst_cream->get_addr = GetAddressingOpLoadStoreT(inst); return inst_base; } |