From: Alex White <alex.wh...@oarcorp.com> --- cpukit/score/cpu/aarch64/cpu.c | 2 +- cpukit/score/cpu/aarch64/include/rtems/score/cpu.h | 8 ++++++-- 2 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/cpukit/score/cpu/aarch64/cpu.c b/cpukit/score/cpu/aarch64/cpu.c index b977875fc3..75b1125cf7 100644 --- a/cpukit/score/cpu/aarch64/cpu.c +++ b/cpukit/score/cpu/aarch64/cpu.c @@ -166,7 +166,7 @@ uint64_t _CPU_ISR_Get_level( void ) : [level] "=&r" (level) ); - return level & AARCH64_PSTATE_I; + return ( level & AARCH64_PSTATE_I ) != 0; } void _CPU_ISR_install_vector( diff --git a/cpukit/score/cpu/aarch64/include/rtems/score/cpu.h b/cpukit/score/cpu/aarch64/include/rtems/score/cpu.h index 380d1380fb..ceb831a43f 100644 --- a/cpukit/score/cpu/aarch64/include/rtems/score/cpu.h +++ b/cpukit/score/cpu/aarch64/include/rtems/score/cpu.h @@ -215,10 +215,14 @@ void AArch64_interrupt_flash( uint64_t level ); #else static inline uint64_t AArch64_interrupt_disable( void ) { - uint64_t level = _CPU_ISR_Get_level(); + uint64_t level; + __asm__ volatile ( + "mrs %[level], DAIF\n" "msr DAIFSet, #0x2\n" + : [level] "=&r" (level) ); + return level; } @@ -250,7 +254,7 @@ static inline void AArch64_interrupt_flash( uint64_t level ) RTEMS_INLINE_ROUTINE bool _CPU_ISR_Is_enabled( uint64_t level ) { - return ( level & AARCH64_PSTATE_I ) == 0; + return level == 0; } void _CPU_Context_Initialize( -- 2.20.1 _______________________________________________ devel mailing list devel@rtems.org http://lists.rtems.org/mailman/listinfo/devel