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ARM: Fix off-by-one interrupt stack allocation in 8-byte aligned architectures

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This commit is contained in:
David Cabecinhas 2017-03-14 18:22:18 +08:00 committed by David Cabecinhas
parent b9bb9ea853
commit 86400a252d
9 changed files with 13 additions and 13 deletions
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2
arch/arm/src/armv7-m/gnu/up_exception.S
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@ -323,7 +323,7 @@ exception_common:
.global g_intstackbase
.align 8
g_intstackalloc:
.skip (CONFIG_ARCH_INTERRUPTSTACK & ~7)
.skip ((CONFIG_ARCH_INTERRUPTSTACK + 4) & ~7)
g_intstackbase:
.size g_intstackalloc, .-g_intstackalloc
#endif

4
arch/arm/src/armv7-m/gnu/up_lazyexception.S
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@ -235,7 +235,7 @@ exception_common:
*
* Here:
* r0 = Address of the register save area
* NOTE: It is a requirement that up_restorefpu() preserve the value of
* r0!
*/
@ -355,7 +355,7 @@ exception_common:
.global g_intstackbase
.align 8
g_intstackalloc:
.skip (CONFIG_ARCH_INTERRUPTSTACK & ~7)
.skip ((CONFIG_ARCH_INTERRUPTSTACK + 4) & ~7)
g_intstackbase:
.size g_intstackalloc, .-g_intstackalloc
#endif

2
arch/arm/src/common/up_initialize.c
View File

@ -106,7 +106,7 @@ static inline void up_color_intstack(void)
uint32_t *ptr = (uint32_t *)&g_intstackalloc;
ssize_t size;
for (size = (CONFIG_ARCH_INTERRUPTSTACK & ~7);
for (size = (CONFIG_ARCH_INTERRUPTSTACK & ~3);
size > 0;
size -= sizeof(uint32_t))
{

2
arch/arm/src/kinetis/kinetis_vectors.S
View File

@ -484,7 +484,7 @@ exception_common:
.global g_intstackbase
.align 8
g_intstackalloc:
.skip (CONFIG_ARCH_INTERRUPTSTACK & ~7)
.skip ((CONFIG_ARCH_INTERRUPTSTACK + 4) & ~7)
g_intstackbase:
.size g_intstackalloc, .-g_intstackalloc
#endif

4
arch/arm/src/lpc17xx/lpc17_vectors.S
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@ -348,7 +348,7 @@ exception_common:
*
* Here:
* r0 = Address of the register save area
* NOTE: It is a requirement that up_restorefpu() preserve the value of
* r0!
*/
@ -468,7 +468,7 @@ exception_common:
.global g_intstackbase
.align 8
g_intstackalloc:
.skip (CONFIG_ARCH_INTERRUPTSTACK & ~7)
.skip ((CONFIG_ARCH_INTERRUPTSTACK + 4) & ~7)
g_intstackbase:
.size g_intstackalloc, .-g_intstackalloc
#endif

4
arch/arm/src/sam34/sam_vectors.S
View File

@ -362,7 +362,7 @@ exception_common:
*
* Here:
* r0 = Address of the register save area
* NOTE: It is a requirement that up_restorefpu() preserve the value of
* r0!
*/
@ -482,7 +482,7 @@ exception_common:
.global g_intstackbase
.align 8
g_intstackalloc:
.skip (CONFIG_ARCH_INTERRUPTSTACK & ~7)
.skip ((CONFIG_ARCH_INTERRUPTSTACK + 4) & ~7)
g_intstackbase:
.size g_intstackalloc, .-g_intstackalloc
#endif

2
arch/arm/src/stm32/gnu/stm32_vectors.S
View File

@ -497,7 +497,7 @@ exception_common:
.global g_intstackbase
.align 8
g_intstackalloc:
.skip (CONFIG_ARCH_INTERRUPTSTACK & ~7)
.skip ((CONFIG_ARCH_INTERRUPTSTACK + 4) & ~7)
g_intstackbase:
.size g_intstackalloc, .-g_intstackalloc
#endif

2
arch/arm/src/stm32/iar/stm32_vectors.S
View File

@ -1055,7 +1055,7 @@ l5:
.global g_intstackbase
.align 8
g_intstackalloc:
.skip (CONFIG_ARCH_INTERRUPTSTACK & ~7)
.skip ((CONFIG_ARCH_INTERRUPTSTACK + 4) & ~7)
g_intstackbase:
.size g_intstackalloc, .-g_intstackalloc
#endif

4
arch/arm/src/tiva/tiva_vectors.S
View File

@ -339,7 +339,7 @@ exception_common:
*
* Here:
* r0 = Address of the register save area
* NOTE: It is a requirement that up_restorefpu() preserve the value of
* r0!
*/
@ -459,7 +459,7 @@ exception_common:
.global g_intstackbase
.align 8
g_intstackalloc:
.skip (CONFIG_ARCH_INTERRUPTSTACK & ~7)
.skip ((CONFIG_ARCH_INTERRUPTSTACK + 4) & ~7)
g_intstackbase:
.size g_intstackalloc, .-g_intstackalloc
#endif