diff options
Diffstat (limited to 'openpicc/os/core/ARM7_AT91SAM7S/portISR.c')
| -rw-r--r-- | openpicc/os/core/ARM7_AT91SAM7S/portISR.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/openpicc/os/core/ARM7_AT91SAM7S/portISR.c b/openpicc/os/core/ARM7_AT91SAM7S/portISR.c index 507712e..6f92c24 100644 --- a/openpicc/os/core/ARM7_AT91SAM7S/portISR.c +++ b/openpicc/os/core/ARM7_AT91SAM7S/portISR.c @@ -178,7 +178,7 @@ vPortDisableInterruptsFromThumb (void) { asm volatile ("STMDB SP!, {R0} \n\t" /* Push R0. */ "MRS R0, CPSR \n\t" /* Get CPSR. */ - "ORR R0, R0, #0xC0 \n\t" /* Disable IRQ, FIQ. */ + "ORR R0, R0, #0x80 \n\t" /* Disable IRQ, don't disable FIQ. */ "MSR CPSR, R0 \n\t" /* Write back modified value. */ "LDMIA SP!, {R0} \n\t" /* Pop R0. */ "BX R14"); /* Return back to thumb. */ @@ -206,7 +206,7 @@ vPortEnterCritical (void) /* Disable interrupts as per portDISABLE_INTERRUPTS(); */ asm volatile ("STMDB SP!, {R0} \n\t" /* Push R0. */ "MRS R0, CPSR \n\t" /* Get CPSR. */ - "ORR R0, R0, #0xC0 \n\t" /* Disable IRQ, FIQ. */ + "ORR R0, R0, #0x80 \n\t" /* Disable IRQ, don't disable FIQ. */ "MSR CPSR, R0 \n\t" /* Write back modified value. */ "LDMIA SP!, {R0}"); /* Pop R0. */ |