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authorLioncash <mathew1800@gmail.com>2015-02-17 07:31:36 +0100
committerLioncash <mathew1800@gmail.com>2015-02-17 07:37:22 +0100
commita7120662e67bdaf6fb426552644526d00df7f2e4 (patch)
tree1b50a18258e1a0e0e4f7e152f73863a41eaef344 /src/core/arm
parentdyncom: Actually set the destination register for USAD8/USADA8. (diff)
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Diffstat (limited to 'src/core/arm')
-rw-r--r--src/core/arm/dyncom/arm_dyncom_dec.cpp2
-rw-r--r--src/core/arm/dyncom/arm_dyncom_interpreter.cpp28
2 files changed, 28 insertions, 2 deletions
diff --git a/src/core/arm/dyncom/arm_dyncom_dec.cpp b/src/core/arm/dyncom/arm_dyncom_dec.cpp
index ffa627352..9f3b90fd0 100644
--- a/src/core/arm/dyncom/arm_dyncom_dec.cpp
+++ b/src/core/arm/dyncom/arm_dyncom_dec.cpp
@@ -42,7 +42,7 @@ const ISEITEM arm_instruction[] = {
{ "srs", 4, 6, 25, 31, 0x0000007c, 22, 22, 0x00000001, 16, 20, 0x0000000d, 8, 11, 0x00000005 },
{ "rfe", 4, 6, 25, 31, 0x0000007c, 22, 22, 0x00000000, 20, 20, 0x00000001, 8, 11, 0x0000000a },
- { "bkpt", 2, 3, 20, 31, 0x00000e12, 4, 7, 0x00000007 },
+ { "bkpt", 2, 3, 20, 27, 0x00000012, 4, 7, 0x00000007 },
{ "blx", 1, 3, 25, 31, 0x0000007d },
{ "cps", 3, 6, 20, 31, 0x00000f10, 16, 16, 0x00000000, 5, 5, 0x00000000 },
{ "pld", 4, 4, 26, 31, 0x0000003d, 24, 24, 0x00000001, 20, 22, 0x00000005, 12, 15, 0x0000000f },
diff --git a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp
index a8b3c1276..b691ffbc3 100644
--- a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp
+++ b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp
@@ -792,6 +792,7 @@ typedef struct _stm_inst {
} stm_inst;
struct bkpt_inst {
+ u32 imm;
};
struct blx1_inst {
@@ -1371,7 +1372,22 @@ static ARM_INST_PTR INTERPRETER_TRANSLATE(bic)(unsigned int inst, int index)
inst_base->br = INDIRECT_BRANCH;
return inst_base;
}
-static ARM_INST_PTR INTERPRETER_TRANSLATE(bkpt)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("BKPT"); }
+
+static ARM_INST_PTR INTERPRETER_TRANSLATE(bkpt)(unsigned int inst, int index)
+{
+ arm_inst* const inst_base = (arm_inst*)AllocBuffer(sizeof(arm_inst) + sizeof(bkpt_inst));
+ bkpt_inst* const inst_cream = (bkpt_inst*)inst_base->component;
+
+ inst_base->cond = BITS(inst, 28, 31);
+ inst_base->idx = index;
+ inst_base->br = NON_BRANCH;
+ inst_base->load_r15 = 0;
+
+ inst_cream->imm = BITS(inst, 8, 19) | BITS(inst, 0, 3);
+
+ return inst_base;
+}
+
static ARM_INST_PTR INTERPRETER_TRANSLATE(blx)(unsigned int inst, int index)
{
arm_inst *inst_base = (arm_inst *)AllocBuffer(sizeof(arm_inst) + sizeof(blx_inst));
@@ -4081,6 +4097,16 @@ unsigned InterpreterMainLoop(ARMul_State* state) {
GOTO_NEXT_INST;
}
BKPT_INST:
+ {
+ if (inst_base->cond == 0xE || CondPassed(cpu, inst_base->cond)) {
+ bkpt_inst* const inst_cream = (bkpt_inst*)inst_base->component;
+ LOG_DEBUG(Core_ARM11, "Breakpoint instruction hit. Immediate: 0x%08X", inst_cream->imm);
+ }
+ cpu->Reg[15] += GET_INST_SIZE(cpu);
+ INC_PC(sizeof(bkpt_inst));
+ FETCH_INST;
+ GOTO_NEXT_INST;
+ }
BLX_INST:
{
blx_inst *inst_cream = (blx_inst *)inst_base->component;