From 753e4d64eeac38fc72795fd5021200938d9ba951 Mon Sep 17 00:00:00 2001
From: chenxiaoyi <chenxiaoyi@xiaomi.com>
Date: Tue, 2 Jul 2024 11:27:26 +0800
Subject: [PATCH] sim/irq: fix windows64 build error

nuttx\vs2022\include\arch\irq.h(144,9): error C2065: 'mov': undeclared identifier

Signed-off-by: chenxiaoyi <chenxiaoyi@xiaomi.com>
---
 arch/sim/include/irq.h | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/sim/include/irq.h b/arch/sim/include/irq.h
index 4c712a21b7..1b2d31b024 100644
--- a/arch/sim/include/irq.h
+++ b/arch/sim/include/irq.h
@@ -138,9 +138,8 @@ static inline_function void up_set_current_regs(xcpt_reg_t *regs)
 static inline uintptr_t up_getsp(void)
 {
 #ifdef _MSC_VER
-  uintptr_t regval;
-  __asm mov regval, esp;
-  return regval;
+  uintptr_t tmp;
+  return (uintptr_t)&tmp;
 #else
   return (uintptr_t)__builtin_frame_address(0);
 #endif