diff options
| -rw-r--r-- | src/arch/arm/interface/efi/efiarm_nap.c | 6 | ||||
| -rw-r--r-- | src/arch/loong64/interface/efi/efiloong64_nap.c | 6 | ||||
| -rw-r--r-- | src/arch/x86/interface/efi/efix86_nap.c | 6 |
3 files changed, 15 insertions, 3 deletions
diff --git a/src/arch/arm/interface/efi/efiarm_nap.c b/src/arch/arm/interface/efi/efiarm_nap.c index 9ed638e..fba7a5d 100644 --- a/src/arch/arm/interface/efi/efiarm_nap.c +++ b/src/arch/arm/interface/efi/efiarm_nap.c @@ -46,8 +46,12 @@ static void efiarm_cpu_nap ( void ) { * The EFI shell doesn't seem to bother sleeping the CPU; it * just sits there idly burning power. * + * If a shutdown is in progess, there may be nothing to + * generate an interrupt since the timer is disabled in the + * first step of ExitBootServices(). */ - __asm__ __volatile__ ( "wfi" ); + if ( ! efi_shutdown_in_progress ) + __asm__ __volatile__ ( "wfi" ); } PROVIDE_NAP ( efiarm, cpu_nap, efiarm_cpu_nap ); diff --git a/src/arch/loong64/interface/efi/efiloong64_nap.c b/src/arch/loong64/interface/efi/efiloong64_nap.c index 5cd1c1b..0a76097 100644 --- a/src/arch/loong64/interface/efi/efiloong64_nap.c +++ b/src/arch/loong64/interface/efi/efiloong64_nap.c @@ -46,8 +46,12 @@ static void efiloong64_cpu_nap ( void ) { * The EFI shell doesn't seem to bother sleeping the CPU; it * just sits there idly burning power. * + * If a shutdown is in progess, there may be nothing to + * generate an interrupt since the timer is disabled in the + * first step of ExitBootServices(). */ - __asm__ __volatile__ ( "idle 0" ); + if ( ! efi_shutdown_in_progress ) + __asm__ __volatile__ ( "idle 0" ); } PROVIDE_NAP ( efiloong64, cpu_nap, efiloong64_cpu_nap ); diff --git a/src/arch/x86/interface/efi/efix86_nap.c b/src/arch/x86/interface/efi/efix86_nap.c index 3ebf0bd..296876b 100644 --- a/src/arch/x86/interface/efi/efix86_nap.c +++ b/src/arch/x86/interface/efi/efix86_nap.c @@ -46,8 +46,12 @@ static void efix86_cpu_nap ( void ) { * The EFI shell doesn't seem to bother sleeping the CPU; it * just sits there idly burning power. * + * If a shutdown is in progess, there may be nothing to + * generate an interrupt since the timer is disabled in the + * first step of ExitBootServices(). */ - __asm__ __volatile__ ( "hlt" ); + if ( ! efi_shutdown_in_progress ) + __asm__ __volatile__ ( "hlt" ); } PROVIDE_NAP ( efix86, cpu_nap, efix86_cpu_nap ); |