lipengfei28 commented on code in PR #14739:
URL: https://github.com/apache/nuttx/pull/14739#discussion_r1839667256
##########
arch/arm64/src/common/arm64_syscall.c:
##########
@@ -217,10 +217,13 @@ uint64_t *arm64_syscall(uint64_t *regs)
case SYS_switch_context:
{
+ struct tcb_s *rtcb = (struct tcb_s *)regs[REG_X1];
+
DEBUGASSERT(regs[REG_X1] != 0 && regs[REG_X2] != 0);
- *(uint64_t **)regs[REG_X1] = regs;
+ tcb = (struct tcb_s *)regs[REG_X2];
+ rtcb->xcp.regs = regs;
- ret_regs = (uint64_t *)regs[REG_X2];
+ ret_regs = (uint64_t *)tcb->xcp.regs;
Review Comment:
done
##########
arch/arm64/src/common/arm64_syscall.c:
##########
@@ -192,22 +192,22 @@ uint64_t *arm64_syscall(uint64_t *regs)
* set will determine the restored context.
*/
- ret_regs = (uint64_t *)regs[REG_X1];
- regs[REG_X1] = 0; /* set the saveregs = 0 */
+ tcb = (struct tcb_s *)regs[REG_X1];
+ ret_regs = (uint64_t *)tcb->xcp.regs;
Review Comment:
done
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