summaryrefslogtreecommitdiffstats
path: root/pc-bios/s390-ccw/s390-ccw.h
diff options
context:
space:
mode:
Diffstat (limited to 'pc-bios/s390-ccw/s390-ccw.h')
-rw-r--r--pc-bios/s390-ccw/s390-ccw.h39
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 */