diff options
Diffstat (limited to 'pc-bios/s390-ccw/s390-ccw.h')
-rw-r--r-- | pc-bios/s390-ccw/s390-ccw.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/pc-bios/s390-ccw/s390-ccw.h b/pc-bios/s390-ccw/s390-ccw.h index c24f7202e4..51359113ae 100644 --- a/pc-bios/s390-ccw/s390-ccw.h +++ b/pc-bios/s390-ccw/s390-ccw.h @@ -67,6 +67,7 @@ bool virtio_is_blk(struct subchannel_id schid); void virtio_setup_block(struct subchannel_id schid); int virtio_read(ulong sector, void *load_addr); int enable_mss_facility(void); +ulong get_second(void); /* bootmap.c */ void zipl_load(void); @@ -143,4 +144,42 @@ static inline void yield(void) #define MAX_SECTOR_SIZE 4096 +static inline void sleep(unsigned int seconds) +{ + ulong target = get_second() + seconds; + + while (get_second() < target) { + yield(); + } +} + +static inline void *memcpy(void *s1, const void *s2, size_t n) +{ + uint8_t *p1 = s1; + const uint8_t *p2 = s2; + + while (n--) { + p1[n] = p2[n]; + } + return s1; +} + +static inline void IPL_assert(bool term, const char *message) +{ + if (!term) { + sclp_print("\n! "); + sclp_print(message); + panic(" !\n"); /* no return */ + } +} + +static inline void IPL_check(bool term, const char *message) +{ + if (!term) { + sclp_print("\n! WARNING: "); + sclp_print(message); + sclp_print(" !\n"); + } +} + #endif /* S390_CCW_H */ |