diff options
Diffstat (limited to 'nuttx/arch/arm/src/sam3u')
| -rwxr-xr-x | nuttx/arch/arm/src/sam3u/sam3u_vectors.S | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/nuttx/arch/arm/src/sam3u/sam3u_vectors.S b/nuttx/arch/arm/src/sam3u/sam3u_vectors.S index 4941fb33cb..efa7e0a550 100755 --- a/nuttx/arch/arm/src/sam3u/sam3u_vectors.S +++ b/nuttx/arch/arm/src/sam3u/sam3u_vectors.S @@ -247,7 +247,7 @@ sam3u_common: */
#ifdef CONFIG_ARCH_INTERRUPTSTACK
- ld sp, #up_interruptstack_base
+ ldr sp, =g_intstackbase
str r1, [sp, #-4]! /* Save the MSP on the interrupt stack */
bl up_doirq /* R0=IRQ, R1=register save (msp) */
ldr r1, [sp, #+4]! /* Recover R1=main stack pointer */
@@ -301,7 +301,7 @@ sam3u_common: .size handlers, .-handlers
/************************************************************************************************
- * Name: up_interruptstack/g_userstack
+ * Name: up_interruptstack/g_intstackbase
*
* Description:
* Shouldn't happen
@@ -310,10 +310,11 @@ sam3u_common: #if CONFIG_ARCH_INTERRUPTSTACK > 3
.bss
+ .global g_intstackbase
.align 4
up_interruptstack:
.skip (CONFIG_ARCH_INTERRUPTSTACK & ~3)
-up_interruptstack_base:
+g_intstackbase:
.size up_interruptstack, .-up_interruptstack
#endif
|