diff options
Diffstat (limited to 'sys/arch/hppa/stand/libsa/dev_hppa.h')
| -rw-r--r-- | sys/arch/hppa/stand/libsa/dev_hppa.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/sys/arch/hppa/stand/libsa/dev_hppa.h b/sys/arch/hppa/stand/libsa/dev_hppa.h new file mode 100644 index 00000000000..d7dd2ec23dd --- /dev/null +++ b/sys/arch/hppa/stand/libsa/dev_hppa.h @@ -0,0 +1,43 @@ +/* $OpenBSD: dev_hppa.h,v 1.1 1998/06/23 18:46:42 mickey Exp $ */ + +struct hppa_dev { + dev_t bootdev; + + struct disklabel label; +}; + +#define CN_HPA PAGE0->mem_cons.pz_hpa +#define CN_SPA PAGE0->mem_cons.pz_spa +#define CN_LAYER PAGE0->mem_cons.pz_layers +#define CN_IODC PAGE0->mem_cons.pz_iodc_io +#define CN_CLASS PAGE0->mem_cons.pz_class + +#define KY_HPA PAGE0->mem_kbd.pz_hpa +#define KY_SPA PAGE0->mem_kbd.pz_spa +#define KY_LAYER PAGE0->mem_kbd.pz_layers +#define KY_IODC PAGE0->mem_kbd.pz_iodc_io +#define KY_CLASS PAGE0->mem_kbd.pz_class + +#define BT_HPA PAGE0->mem_boot.pz_hpa +#define BT_SPA PAGE0->mem_boot.pz_spa +#define BT_LAYER PAGE0->mem_boot.pz_layers +#define BT_IODC PAGE0->mem_boot.pz_iodc_io +#define BT_CLASS PAGE0->mem_boot.pz_class + +#define MINIOSIZ 64 /* minimum buffer size for IODC call */ +#define MAXIOSIZ (64 * 1024) /* maximum buffer size for IODC call */ +#define BTIOSIZ (8 * 1024) /* size of boot device I/O buffer */ + +#define IONBPG (2 * 1024) /* page alignment for I/O buffers */ +#define IOPGSHIFT 11 /* LOG2(IONBPG) */ +#define IOPGOFSET (IONBPG-1) /* byte offset into I/O buffer */ + +#define ANYSLOT (-1) +#define NOSLOT (-2) + +extern char btbuf[]; +extern int pdcbuf[]; /* PDC returns, pdc.c */ +extern struct pz_device ctdev; /* cartridge tape (boot) device path */ + +int iodc_rw __P((char *, u_int, u_int, int func, struct pz_device *)); + |