#include "armv8_opcodes.h"
#include "armv8_cache.h"
#include "arm_semihosting.h"
+#include "jtag/interface.h"
#include "smp.h"
#include <helper/time_support.h>
if (saved_retval != ERROR_OK)
return saved_retval;
- return aarch64_poll(target);
+ return ERROR_OK;
}
static int aarch64_restore_context(struct target *target, bool bpwp)
brp_list[brp_i].value);
} else if (breakpoint->type == BKPT_SOFT) {
+ uint32_t opcode;
uint8_t code[4];
- buf_set_u32(code, 0, 32, armv8_opcode(armv8, ARMV8_OPC_HLT));
+ if (armv8_dpm_get_core_state(&armv8->dpm) == ARM_STATE_AARCH64) {
+ opcode = ARMV8_HLT(11);
+
+ if (breakpoint->length != 4)
+ LOG_ERROR("bug: breakpoint length should be 4 in AArch64 mode");
+ } else {
+ /**
+ * core_state is ARM_STATE_ARM
+ * in that case the opcode depends on breakpoint length:
+ * - if length == 4 => A32 opcode
+ * - if length == 2 => T32 opcode
+ * - if length == 3 => T32 opcode (refer to gdb doc : ARM-Breakpoint-Kinds)
+ * in that case the length should be changed from 3 to 4 bytes
+ **/
+ opcode = (breakpoint->length == 4) ? ARMV8_HLT_A1(11) :
+ (uint32_t) (ARMV8_HLT_T1(11) | ARMV8_HLT_T1(11) << 16);
+
+ if (breakpoint->length == 3)
+ breakpoint->length = 4;
+ }
+
+ buf_set_u32(code, 0, 32, opcode);
+
retval = target_read_memory(target,
breakpoint->address & 0xFFFFFFFFFFFFFFFE,
breakpoint->length, 1,
/* REVISIT handle "pulls" cases, if there's
* hardware that needs them to work.
*/
- jtag_add_reset(0, 1);
+ adapter_assert_reset();
} else {
LOG_ERROR("%s: how to reset?", target_name(target));
return ERROR_FAIL;
LOG_DEBUG(" ");
/* be certain SRST is off */
- jtag_add_reset(0, 0);
+ adapter_deassert_reset();
if (!target_was_examined(target))
return ERROR_OK;
COMMAND_REGISTRATION_DONE
};
+extern const struct command_registration semihosting_common_handlers[];
+
static const struct command_registration aarch64_command_handlers[] = {
+ {
+ .name = "arm",
+ .mode = COMMAND_ANY,
+ .help = "ARM Command Group",
+ .usage = "",
+ .chain = semihosting_common_handlers
+ },
{
.chain = armv8_command_handlers,
},