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Merge pull request #489 from lioncash/strt

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dyncom: Handle the ARM A2 encoding of STRT/LDRT
This commit is contained in:
bunnei 2015-01-18 10:55:20 -05:00
commit 1cb31f4f06
1 changed files with 24 additions and 10 deletions
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18
src/core/arm/dyncom/arm_dyncom_interpreter.cpp
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@ -1848,9 +1848,16 @@ ARM_INST_PTR INTERPRETER_TRANSLATE(ldrt)(unsigned int inst, int index)
inst_base->br = NON_BRANCH; inst_base->br = NON_BRANCH;
inst_cream->inst = inst; inst_cream->inst = inst;
if (I_BIT == 0) { if (BITS(inst, 25, 27) == 2) {
inst_cream->get_addr = LnSWoUB(ImmediatePostIndexed); inst_cream->get_addr = LnSWoUB(ImmediatePostIndexed);
} else if (BITS(inst, 25, 27) == 3) {
inst_cream->get_addr = LnSWoUB(ScaledRegisterPostIndexed);
} else { } 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; DEBUG_MSG;
} }
@ -2800,9 +2807,16 @@ ARM_INST_PTR INTERPRETER_TRANSLATE(strt)(unsigned int inst, int index)
inst_base->br = NON_BRANCH; inst_base->br = NON_BRANCH;
inst_cream->inst = inst; inst_cream->inst = inst;
if (I_BIT == 0) { if (BITS(inst, 25, 27) == 2) {
inst_cream->get_addr = LnSWoUB(ImmediatePostIndexed); inst_cream->get_addr = LnSWoUB(ImmediatePostIndexed);
} else if (BITS(inst, 25, 27) == 3) {
inst_cream->get_addr = LnSWoUB(ScaledRegisterPostIndexed);
} else { } 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; DEBUG_MSG;
} }