diff options
Diffstat (limited to 'include/asm-s390')
| -rw-r--r-- | include/asm-s390/setup.h | 33 | ||||
| -rw-r--r-- | include/asm-s390/smp.h | 6 | ||||
| -rw-r--r-- | include/asm-s390/system.h | 8 |
3 files changed, 33 insertions, 14 deletions
diff --git a/include/asm-s390/setup.h b/include/asm-s390/setup.h index aaf4b518b94..3a9e458fd8c 100644 --- a/include/asm-s390/setup.h +++ b/include/asm-s390/setup.h @@ -59,23 +59,36 @@ extern unsigned int s390_noexec; */ extern unsigned long machine_flags; -#define MACHINE_IS_VM (machine_flags & 1) -#define MACHINE_IS_P390 (machine_flags & 4) -#define MACHINE_HAS_MVPG (machine_flags & 16) -#define MACHINE_IS_KVM (machine_flags & 64) -#define MACHINE_HAS_IDTE (machine_flags & 128) -#define MACHINE_HAS_DIAG9C (machine_flags & 256) +#define MACHINE_FLAG_VM (1UL << 0) +#define MACHINE_FLAG_IEEE (1UL << 1) +#define MACHINE_FLAG_P390 (1UL << 2) +#define MACHINE_FLAG_CSP (1UL << 3) +#define MACHINE_FLAG_MVPG (1UL << 4) +#define MACHINE_FLAG_DIAG44 (1UL << 5) +#define MACHINE_FLAG_IDTE (1UL << 6) +#define MACHINE_FLAG_DIAG9C (1UL << 7) +#define MACHINE_FLAG_MVCOS (1UL << 8) +#define MACHINE_FLAG_KVM (1UL << 9) + +#define MACHINE_IS_VM (machine_flags & MACHINE_FLAG_VM) +#define MACHINE_IS_KVM (machine_flags & MACHINE_FLAG_KVM) +#define MACHINE_IS_P390 (machine_flags & MACHINE_FLAG_P390) +#define MACHINE_HAS_DIAG9C (machine_flags & MACHINE_FLAG_DIAG9C) #ifndef __s390x__ -#define MACHINE_HAS_IEEE (machine_flags & 2) -#define MACHINE_HAS_CSP (machine_flags & 8) +#define MACHINE_HAS_IEEE (machine_flags & MACHINE_FLAG_IEEE) +#define MACHINE_HAS_CSP (machine_flags & MACHINE_FLAG_CSP) +#define MACHINE_HAS_IDTE (0) #define MACHINE_HAS_DIAG44 (1) +#define MACHINE_HAS_MVPG (machine_flags & MACHINE_FLAG_MVPG) #define MACHINE_HAS_MVCOS (0) #else /* __s390x__ */ #define MACHINE_HAS_IEEE (1) #define MACHINE_HAS_CSP (1) -#define MACHINE_HAS_DIAG44 (machine_flags & 32) -#define MACHINE_HAS_MVCOS (machine_flags & 512) +#define MACHINE_HAS_IDTE (machine_flags & MACHINE_FLAG_IDTE) +#define MACHINE_HAS_DIAG44 (machine_flags & MACHINE_FLAG_DIAG44) +#define MACHINE_HAS_MVPG (1) +#define MACHINE_HAS_MVCOS (machine_flags & MACHINE_FLAG_MVCOS) #endif /* __s390x__ */ #define MACHINE_HAS_SCLP (!MACHINE_IS_P390) diff --git a/include/asm-s390/smp.h b/include/asm-s390/smp.h index 8376b195a1b..ae89cf2478f 100644 --- a/include/asm-s390/smp.h +++ b/include/asm-s390/smp.h @@ -19,6 +19,7 @@ #include <asm/lowcore.h> #include <asm/sigp.h> #include <asm/ptrace.h> +#include <asm/system.h> /* s390 specific smp.c headers @@ -53,10 +54,7 @@ extern void machine_power_off_smp(void); static inline __u16 hard_smp_processor_id(void) { - __u16 cpu_address; - - asm volatile("stap %0" : "=m" (cpu_address)); - return cpu_address; + return stap(); } /* diff --git a/include/asm-s390/system.h b/include/asm-s390/system.h index 79bdbf4b33a..c819ae25a84 100644 --- a/include/asm-s390/system.h +++ b/include/asm-s390/system.h @@ -432,6 +432,14 @@ static inline unsigned int stfl(void) return S390_lowcore.stfl_fac_list; } +static inline unsigned short stap(void) +{ + unsigned short cpu_address; + + asm volatile("stap %0" : "=m" (cpu_address)); + return cpu_address; +} + extern void (*_machine_restart)(char *command); extern void (*_machine_halt)(void); extern void (*_machine_power_off)(void); |