[rtems commit] cpukit/aarch64: Restore ISR cookie bit mask
Joel Sherrill
joel at rtems.org
Mon Apr 19 15:51:11 UTC 2021
Module: rtems
Branch: master
Commit: 69bde47acc9992844e53aaa0d333ba496d460501
Changeset: http://git.rtems.org/rtems/commit/?id=69bde47acc9992844e53aaa0d333ba496d460501
Author: Kinsey Moore <kinsey.moore at oarcorp.com>
Date: Mon Apr 5 16:28:10 2021 -0500
cpukit/aarch64: Restore ISR cookie bit mask
The _CPU_ISR_Is_enabled() function operates on ISR cookies and so must
mask off the appropriate status bits. This also fixes the naming of the
parameters of the _CPU_ISR_* functions to indicate use of ISR cookies
instead of interrupt enable/disable levels.
---
cpukit/score/cpu/aarch64/include/rtems/score/cpu.h | 26 +++++++++++-----------
1 file changed, 13 insertions(+), 13 deletions(-)
diff --git a/cpukit/score/cpu/aarch64/include/rtems/score/cpu.h b/cpukit/score/cpu/aarch64/include/rtems/score/cpu.h
index ceb831a..316079a 100644
--- a/cpukit/score/cpu/aarch64/include/rtems/score/cpu.h
+++ b/cpukit/score/cpu/aarch64/include/rtems/score/cpu.h
@@ -210,33 +210,33 @@ uint64_t _CPU_ISR_Get_level( void );
#if defined(AARCH64_DISABLE_INLINE_ISR_DISABLE_ENABLE)
uint64_t AArch64_interrupt_disable( void );
-void AArch64_interrupt_enable( uint64_t level );
-void AArch64_interrupt_flash( uint64_t level );
+void AArch64_interrupt_enable( uint64_t isr_cookie );
+void AArch64_interrupt_flash( uint64_t isr_cookie );
#else
static inline uint64_t AArch64_interrupt_disable( void )
{
- uint64_t level;
+ uint64_t isr_cookie;
__asm__ volatile (
- "mrs %[level], DAIF\n"
+ "mrs %[isr_cookie], DAIF\n"
"msr DAIFSet, #0x2\n"
- : [level] "=&r" (level)
+ : [isr_cookie] "=&r" (isr_cookie)
);
- return level;
+ return isr_cookie;
}
-static inline void AArch64_interrupt_enable( uint64_t level )
+static inline void AArch64_interrupt_enable( uint64_t isr_cookie )
{
__asm__ volatile (
- "msr DAIF, %[level]\n"
- : : [level] "r" (level)
+ "msr DAIF, %[isr_cookie]\n"
+ : : [isr_cookie] "r" (isr_cookie)
);
}
-static inline void AArch64_interrupt_flash( uint64_t level )
+static inline void AArch64_interrupt_flash( uint64_t isr_cookie )
{
- AArch64_interrupt_enable(level);
+ AArch64_interrupt_enable(isr_cookie);
AArch64_interrupt_disable();
}
#endif /* !AARCH64_DISABLE_INLINE_ISR_DISABLE_ENABLE */
@@ -252,9 +252,9 @@ static inline void AArch64_interrupt_flash( uint64_t level )
#define _CPU_ISR_Flash( _isr_cookie ) \
AArch64_interrupt_flash( _isr_cookie )
-RTEMS_INLINE_ROUTINE bool _CPU_ISR_Is_enabled( uint64_t level )
+RTEMS_INLINE_ROUTINE bool _CPU_ISR_Is_enabled( uint64_t isr_cookie )
{
- return level == 0;
+ return ( isr_cookie & AARCH64_PSTATE_I ) == 0;
}
void _CPU_Context_Initialize(
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