diff options
Diffstat (limited to 'nuttx/arch/arm/src/stm32/stm32_vectors.S')
| -rw-r--r-- | nuttx/arch/arm/src/stm32/stm32_vectors.S | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/nuttx/arch/arm/src/stm32/stm32_vectors.S b/nuttx/arch/arm/src/stm32/stm32_vectors.S index 6a8f64c5b..7d119f326 100644 --- a/nuttx/arch/arm/src/stm32/stm32_vectors.S +++ b/nuttx/arch/arm/src/stm32/stm32_vectors.S @@ -2,7 +2,7 @@ * arch/arm/src/stm32/stm32_vectors.S
* arch/arm/src/chip/stm32_vectors.S
*
- * Copyright (C) 2009 Gregory Nutt. All rights reserved.
+ * Copyright (C) 2009-2010 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
@@ -439,7 +439,7 @@ stm32_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 */
@@ -493,7 +493,7 @@ stm32_common: .size handlers, .-handlers
/************************************************************************************
- * Name: up_interruptstack/g_userstack
+ * Name: up_interruptstack/g_intstackbase
*
* Description:
* Shouldn't happen
@@ -502,10 +502,11 @@ stm32_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
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