int armice_thumb_codelet_test(armice_ctrl_t * ctrl, FILE * f)
{
armice_codelet_t * cl = &codelet_step_thumb;
struct armice_context ct0;
struct armice_context ct1;
int dbg_status;
uint32_t addr = ctrl->work_addr;
uint32_t reg[16];
int ret;
fprintf(f, " == THUMB CODELET TEST ==\n");
if (test_save_context(f, ctrl, &ct0) < 0)
return -1;
fprintf(f, "- Loading codelet: %p, size:%d ...\n", cl, cl->size);
if ((ret = armice_code_load(ctrl, addr, cl->code, cl->size)) < 0) {
fprintf(f, "# Error: arm7ice_code_load()!\n");
return ret;
}
reg[0] = 0x0000;
reg[1] = 0x11111111;
reg[2] = 0x22222222;
reg[3] = 0x33333333;
reg[4] = 0x44444444;
reg[5] = 0x55555555;
reg[6] = 0x66666666;
reg[7] = 0x77777777;
reg[8] = 0x88888888;
reg[9] = 0x99999999;
reg[10] = 0x10101010;
reg[11] = 0x11111111;
reg[12] = 0x12121212;
if ((ret = armice_code_exec(ctrl, addr, reg, 13)) < 0) {
fprintf(f, "# Error: armice_code_exec()!\n");
return ret;
}
if ((dbg_status = ctrl->jtag_arm_dbg_status(ctrl->tap)) < 0) {
DCC_LOG1(LOG_ERROR, "arm7ice_get_status(): %d", dbg_status);
return dbg_status;
}
if ((dbg_status & ARMICE_ST_DBGACK) != 0) {
fprintf(f, "# Core is stopped!!!!!!!\n");
}
fprintf(f, " - Wait 50 ms...\n");
uthread_sleep(50);
armice_code_stop(ctrl);
if (test_save_context(f, ctrl, &ct0) < 0)
return -1;
arm_show_cpsr(f, ct0.cpsr);
arm_show_regs(f, ct0.r);
fprintf(f, " - TARGET context, before step:\n");
arm_show_cpsr(f, ct0.cpsr);
arm_show_regs(f, ct0.r);
show_insn(f, ctrl, &ct0);
fprintf(f, " - Step @ 0x%08x:\n", addr);
if (ct0.cpsr & ARM_STATE_THUMB) {
fprintf(f, " - THUMB step ...\n");
if ((ret = ctrl->thumb_insn_step(ctrl->tap, &ct0)) < 0) {
fprintf(f, "# THUMB step error!!!!\n");
return -1;
}
} else {
fprintf(f, " - ARM step ...\n");
if ((ret = ctrl->arm_insn_step(ctrl->tap, &ct0)) < 0) {
fprintf(f, "# ARM step error!!!!\n");
return -1;
}
}
if (test_save_context(f, ctrl, &ct1) < 0)
return -1;
fprintf(f, " - TARGET context, after step:\n");
arm_show_cpsr(f, ct1.cpsr);
arm_show_regs(f, ct1.r);
show_insn(f, ctrl, &ct1);
return 0;
}
std::string show(const IRInstruction* insn) {
return show_insn(insn, false);
}
int armice_codelet_test(armice_ctrl_t * ctrl, FILE * f)
{
armice_codelet_t * cl = &codelet_step2;
struct armice_context ct0;
struct armice_context ct1;
int dbg_status;
uint32_t addr = ctrl->work_addr;
uint32_t reg[16];
int ret;
int i;
fprintf(f, " == ARM CODELET TEST ==\n");
fprintf(f, " - Loading codelet @ addr:0x%08x, size:%d ...\n",
addr, cl->size);
if ((ret = armice_code_load(ctrl, addr, cl->code, cl->size)) < 0) {
fprintf(f, "# Error: arm7ice_code_load()!\n");
return ret;
}
for (i = 0; i < 12; i++) {
ct0.r[i] = 0xf0000000 + i;
}
ct0.sp = 0xdddd0000;
ct0.lr = 0xeeee0000;
ct0.pc = 0xffff0000;
ct0.cpsr = ARM_MODE_SYSTEM | ARM_DISABLE_IRQ | ARM_DISABLE_FIQ;
fprintf(f, " - Installing a fresh ARM context >>> >>>\n");
ctrl->arm_context_restore(ctrl->tap, &ct0);
reg[0] = 0x00000000;
reg[1] = 0x11111111;
reg[2] = 0x22222222;
reg[3] = 0x33333333;
reg[4] = 0x44444444;
reg[5] = 0x55555555;
reg[6] = 0x66666666;
reg[7] = 0x77777777;
reg[8] = 0x88888888;
reg[9] = 0x99999999;
reg[10] = 0x10101010;
reg[11] = 0x11111111;
reg[12] = 0x12121212;
reg[12] = 0x13131313;
if ((ret = armice_code_exec(ctrl, addr, reg, 13)) < 0) {
fprintf(f, " # ERROR: armice_code_exec()!\n");
return ret;
}
if ((dbg_status = ctrl->jtag_arm_dbg_status(ctrl->tap)) < 0) {
DCC_LOG1(LOG_ERROR, "arm7ice_get_status(): %d", dbg_status);
return dbg_status;
}
if ((dbg_status & ARMICE_ST_DBGACK) != 0) {
fprintf(f, " # ERROR: Core is stopped!!!!!!!\n");
}
fprintf(f, " - Wait 10 ms...\n");
uthread_sleep(10);
armice_code_stop(ctrl);
if ((dbg_status = test_save_context(f, ctrl, &ct0)) < 0)
return -1;
if (dbg_status & ARMICE_ST_TBIT) {
fprintf(f, " #ERROR: THUMB state!!\n");
return -1;
}
fprintf(f, " - TARGET context, before step:\n");
arm_show_cpsr(f, ct0.cpsr);
arm_show_regs(f, ct0.r);
show_insn(f, ctrl, &ct0);
fprintf(f, " - Step @ 0x%08x:\n", addr);
fprintf(f, " - ARM step ...\n");
if ((ret = ctrl->arm_insn_step(ctrl->tap, &ct0)) < 0) {
fprintf(f, "# ARM step error!!!!\n");
return -1;
}
if ((dbg_status = test_save_context(f, ctrl, &ct1)) < 0)
return -1;
fprintf(f, " - TARGET context, after step:\n");
arm_show_cpsr(f, ct1.cpsr);
arm_show_regs(f, ct1.r);
show_insn(f, ctrl, &ct1);
return 0;
}
std::string show_deobfuscated(const IRInstruction* insn) {
return show_insn(insn, true);
}
