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In go_os_start that sets the IDLE thread stack coloration, mov does not set condition codes which are tested by the following beq. Need to use movs instead. Noted by David Sidrane

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This commit is contained in:
Gregory Nutt 2015-05-07 20:36:08 -06:00
parent 8f9c9352ae
commit 8f0fb36f11
4 changed files with 4 additions and 4 deletions
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2
arch/arm/src/efm32/efm32_start.c
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@ -207,7 +207,7 @@ static void go_os_start(void *pv, unsigned int nbytes)
__asm__ __volatile__
(
"\tmov r1, r1, lsr #2\n" /* R1 = nwords = nbytes >> 2 */
"\tmovs r1, r1, lsr #2\n" /* R1 = nwords = nbytes >> 2 */
"\tbeq 2f\n" /* (should not happen) */
"\tbic r0, r0, #3\n" /* R0 = Aligned stackptr */

2
arch/arm/src/sam34/sam_start.c
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@ -204,7 +204,7 @@ static void go_os_start(void *pv, unsigned int nbytes)
__asm__ __volatile__
(
"\tmov r1, r1, lsr #2\n" /* R1 = nwords = nbytes >> 2 */
"\tmovs r1, r1, lsr #2\n" /* R1 = nwords = nbytes >> 2 */
"\tbeq 2f\n" /* (should not happen) */
"\tbic r0, r0, #3\n" /* R0 = Aligned stackptr */

2
arch/arm/src/samv7/sam_start.c
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@ -276,7 +276,7 @@ static void go_os_start(void *pv, unsigned int nbytes)
__asm__ __volatile__
(
"\tmov r1, r1, lsr #2\n" /* R1 = nwords = nbytes >> 2 */
"\tmovs r1, r1, lsr #2\n" /* R1 = nwords = nbytes >> 2 */
"\tbeq 2f\n" /* (should not happen) */
"\tbic r0, r0, #3\n" /* R0 = Aligned stackptr */

2
arch/arm/src/stm32/stm32_start.c
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@ -208,7 +208,7 @@ static void go_os_start(void *pv, unsigned int nbytes)
__asm__ __volatile__
(
"\tmov r1, r1, lsr #2\n" /* R1 = nwords = nbytes >> 2 */
"\tmovs r1, r1, lsr #2\n" /* R1 = nwords = nbytes >> 2 */
"\tbeq 2f\n" /* (should not happen) */
"\tbic r0, r0, #3\n" /* R0 = Aligned stackptr */