} else {
LOG_DEBUG("setting mode 0x%"PRIx32, mode);
-
- /* else force to the specified mode */
- if (is_arm_mode(mode))
- cpsr = mode;
- else
- cpsr = mode >> 4;
+ cpsr = mode;
}
switch (cpsr & 0x1f) {
static int dpmv8_read_reg(struct arm_dpm *dpm, struct reg *r, unsigned regnum)
{
struct armv8_common *armv8 = dpm->arm->arch_info;
- uint64_t value_64;
- int retval;
+ int retval = ERROR_FAIL;
+
+ if (r->size <= 64) {
+ uint64_t value_64;
+ retval = armv8->read_reg_u64(armv8, regnum, &value_64);
+
+ if (retval == ERROR_OK) {
+ r->valid = true;
+ r->dirty = false;
+ buf_set_u64(r->value, 0, r->size, value_64);
+ if (r->size == 64)
+ LOG_DEBUG("READ: %s, %16.8llx", r->name, (unsigned long long) value_64);
+ else
+ LOG_DEBUG("READ: %s, %8.8x", r->name, (unsigned int) value_64);
+ }
+ } else if (r->size <= 128) {
+ uint64_t lvalue = 0, hvalue = 0;
+ retval = armv8->read_reg_u128(armv8, regnum, &lvalue, &hvalue);
- retval = armv8->read_reg_u64(armv8, regnum, &value_64);
+ if (retval == ERROR_OK) {
+ r->valid = true;
+ r->dirty = false;
- if (retval == ERROR_OK) {
- r->valid = true;
- r->dirty = false;
- buf_set_u64(r->value, 0, r->size, value_64);
- if (r->size == 64)
- LOG_DEBUG("READ: %s, %16.8llx", r->name, (unsigned long long) value_64);
- else
- LOG_DEBUG("READ: %s, %8.8x", r->name, (unsigned int) value_64);
+ buf_set_u64(r->value, 0, 64, lvalue);
+ buf_set_u64(r->value + 8, 0, r->size - 64, hvalue);
+
+ LOG_DEBUG("READ: %s, lvalue=%16.8llx", r->name, (unsigned long long) lvalue);
+ LOG_DEBUG("READ: %s, hvalue=%16.8llx", r->name, (unsigned long long) hvalue);
+ }
}
- return ERROR_OK;
+ return retval;
}
/*
{
struct armv8_common *armv8 = dpm->arm->arch_info;
int retval = ERROR_FAIL;
- uint64_t value_64;
- value_64 = buf_get_u64(r->value, 0, r->size);
+ if (r->size <= 64) {
+ uint64_t value_64;
+
+ value_64 = buf_get_u64(r->value, 0, r->size);
+ retval = armv8->write_reg_u64(armv8, regnum, value_64);
- retval = armv8->write_reg_u64(armv8, regnum, value_64);
- if (retval == ERROR_OK) {
- r->dirty = false;
- if (r->size == 64)
- LOG_DEBUG("WRITE: %s, %16.8llx", r->name, (unsigned long long)value_64);
- else
- LOG_DEBUG("WRITE: %s, %8.8x", r->name, (unsigned int)value_64);
+ if (retval == ERROR_OK) {
+ r->dirty = false;
+ if (r->size == 64)
+ LOG_DEBUG("WRITE: %s, %16.8llx", r->name, (unsigned long long)value_64);
+ else
+ LOG_DEBUG("WRITE: %s, %8.8x", r->name, (unsigned int)value_64);
+ }
+ } else if (r->size <= 128) {
+ uint64_t lvalue, hvalue;
+
+ lvalue = buf_get_u64(r->value, 0, 64);
+ hvalue = buf_get_u64(r->value + 8, 0, r->size - 64);
+ retval = armv8->write_reg_u128(armv8, regnum, lvalue, hvalue);
+
+ if (retval == ERROR_OK) {
+ r->dirty = false;
+
+ LOG_DEBUG("WRITE: %s, lvalue=%16.8llx", r->name, (unsigned long long) lvalue);
+ LOG_DEBUG("WRITE: %s, hvalue=%16.8llx", r->name, (unsigned long long) hvalue);
+ }
}
- return ERROR_OK;
+ return retval;
}
/**
if (r->valid)
continue;
+ /* Skip reading FP-SIMD registers */
+ if (r->number >= ARMV8_V0 && r->number <= ARMV8_FPCR)
+ continue;
+
/*
* Only read registers that are available from the
* current EL (or core mode).