lipengfei28 commented on code in PR #14739:
URL: https://github.com/apache/nuttx/pull/14739#discussion_r1839667019
##########
arch/arm64/include/irq.h:
##########
@@ -407,14 +407,16 @@ static inline void up_irq_restore(irqstate_t flags)
#define up_update_task(t) modify_sysreg(t, ~1ul, tpidr_el1)
#define up_interrupt_context() (read_sysreg(tpidr_el1) & 1)
-#define up_switch_context(tcb, rtcb) \
- do { \
- if (!up_interrupt_context()) \
- { \
- sys_call2(SYS_switch_context, (uintptr_t)&rtcb->xcp.regs, \
- (uintptr_t)tcb->xcp.regs); \
- } \
- } while (0)
+#define up_switch_context(tcb, rtcb) \
+ do \
+ { \
+ if (!up_interrupt_context()) \
+ { \
+ sys_call2(SYS_switch_context, (uintptr_t)rtcb, \
+ (uintptr_t)tcb); \
Review Comment:
done
##########
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];
Review Comment:
done
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