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Implement coprocessor register read/write for arm

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lazymio
2022-02-11 21:45:37 +01:00
parent 236848a45a
commit 8bc1489210
4 changed files with 152 additions and 9 deletions
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37
samples/sample_arm.c
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@ -390,6 +390,40 @@ static void test_thumb_ite()
}
}
static void test_read_sctlr()
{
uc_engine *uc;
uc_err err;
uc_arm_cp_reg reg;
printf("Read the SCTLR register.\n");
err = uc_open(UC_ARCH_ARM, UC_MODE_ARM, &uc);
if (err != UC_ERR_OK) {
printf("Failed on uc_emu_start() with error returned: %u\n", err);
}
// SCTLR. See arm reference.
reg.cp = 15;
reg.is64 = 0;
reg.sec = 0;
reg.crn = 1;
reg.crm = 0;
reg.opc1 = 0;
reg.opc2 = 0;
err = uc_reg_read(uc, UC_ARM_REG_CP_REG, &reg);
if (err != UC_ERR_OK) {
printf("Failed on uc_reg_read() with error returned: %u\n", err);
}
printf(">>> SCTLR = 0x%" PRIx32 "\n", (uint32_t)reg.val);
printf(">>> SCTLR.IE = %" PRId32 "\n", (uint32_t)((reg.val >> 31) & 1));
printf(">>> SCTLR.B = %" PRId32 "\n", (uint32_t)((reg.val >> 7) & 1));
uc_close(uc);
}
int main(int argc, char **argv, char **envp)
{
test_arm();
@ -409,5 +443,8 @@ int main(int argc, char **argv, char **envp)
printf("==========================\n");
test_thumb_ite();
printf("==========================\n");
test_read_sctlr();
return 0;
}