From 0a5d450e940c6f1dd2502de05af71633a7995276 Mon Sep 17 00:00:00 2001
From: Lioncash <mathew1800@gmail.com>
Date: Fri, 16 Jan 2015 09:50:53 -0500
Subject: [PATCH] dyncom: Handle the ARM A2 encoding of LDRBT/STRBT.
---
.../arm/dyncom/arm_dyncom_interpreter.cpp | 32 +++++++++----------
1 file changed, 15 insertions(+), 17 deletions(-)
diff --git a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp
index b5e0993ed..6052e4f58 100644
--- a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp
+++ b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp
@@ -1726,25 +1726,21 @@ ARM_INST_PTR INTERPRETER_TRANSLATE(ldrb)(unsigned int inst, int index)
}
ARM_INST_PTR INTERPRETER_TRANSLATE(ldrbt)(unsigned int inst, int index)
{
- arm_inst *inst_base = (arm_inst *)AllocBuffer(sizeof(arm_inst) + sizeof(ldst_inst));
- ldst_inst *inst_cream = (ldst_inst *)inst_base->component;
+ arm_inst* inst_base = (arm_inst*)AllocBuffer(sizeof(arm_inst) + sizeof(ldst_inst));
+ ldst_inst* inst_cream = (ldst_inst*)inst_base->component;
inst_base->cond = BITS(inst, 28, 31);
- inst_base->idx = index;
- inst_base->br = NON_BRANCH;
+ inst_base->idx = index;
+ inst_base->br = NON_BRANCH;
inst_cream->inst = inst;
- if (I_BIT == 0) {
+ 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;
}
- #if 0
- inst_cream->get_addr = get_calc_addr_op(inst);
- if(inst == 0x54f13001) {
- DEBUG_LOG(ARM11, "get_calc_addr_op:%llx\n", inst_cream->get_addr);
- }
- #endif
if (BITS(inst, 12, 15) == 15) {
inst_base->br = INDIRECT_BRANCH;
@@ -2712,17 +2708,19 @@ ARM_INST_PTR INTERPRETER_TRANSLATE(strb)(unsigned int inst, int index)
}
ARM_INST_PTR INTERPRETER_TRANSLATE(strbt)(unsigned int inst, int index)
{
- arm_inst *inst_base = (arm_inst *)AllocBuffer(sizeof(arm_inst) + sizeof(ldst_inst));
- ldst_inst *inst_cream = (ldst_inst *)inst_base->component;
+ arm_inst* inst_base = (arm_inst*)AllocBuffer(sizeof(arm_inst) + sizeof(ldst_inst));
+ ldst_inst* inst_cream = (ldst_inst*)inst_base->component;
inst_base->cond = BITS(inst, 28, 31);
- inst_base->idx = index;
- inst_base->br = NON_BRANCH;
+ inst_base->idx = index;
+ inst_base->br = NON_BRANCH;
inst_cream->inst = inst;
-// inst_cream->get_addr = get_calc_addr_op(inst);
- if (I_BIT == 0) {
+
+ 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;
}