+int adiv6_dap_read_baseptr(struct command_invocation *cmd, struct adiv5_dap *dap, uint64_t *baseptr)
+{
+ uint32_t baseptr_lower, baseptr_upper = 0;
+ int retval;
+
+ if (dap->asize > 32) {
+ retval = dap_queue_dp_read(dap, DP_BASEPTR1, &baseptr_upper);
+ if (retval != ERROR_OK)
+ return retval;
+ }
+
+ retval = dap_dp_read_atomic(dap, DP_BASEPTR0, &baseptr_lower);
+ if (retval != ERROR_OK)
+ return retval;
+
+ if ((baseptr_lower & DP_BASEPTR0_VALID) != DP_BASEPTR0_VALID) {
+ command_print(cmd, "System root table not present");
+ return ERROR_FAIL;
+ }
+
+ baseptr_lower &= ~0x0fff;
+ *baseptr = (((uint64_t)baseptr_upper) << 32) | baseptr_lower;
+
+ return ERROR_OK;
+}
+