/* $NetBSD: rs6000_bootrec.h,v 1.2 2021/07/24 21:31:34 andvar Exp $ */
#include <sys/types.h>
#ifndef __RS6000_BOOTREC_H__
#define __RS6000_BOOTREC_H__
#define IPLRECID 0xC9C2D4C1 /* IBMA in EBCIDIC */
#define CONFRECID 0xF8E9DACB /* no idea */
typedef struct rs6000_boot_record {
uint32_t ipl_record; /* always IPLRECID */
char pad1[20];
uint32_t formatted_cap; /* sectors in the disk */
char floppy_last_head; /* nrof heads -1 */
char floppy_last_sec;/* sectors per track starting at 1 */
char pad2[6];
uint32_t bootcode_len; /* in sectors, 0 means no boot code */
uint32_t bootcode_off; /* 0 if no bootcode, or byte offset to
* first instruction */
uint32_t bootpart_start; /* sec num of boot partition */
uint32_t bootprg_start; /* sec num of boot code, 0 for none */
uint32_t bootpart_len; /* len in sectors of boot part. */
uint32_t boot_load_addr; /* 512 byte boundary load addr */
char boot_frag; /* 0/1 fragmentation allowed */
char boot_emul; /* ROS network emulation flag:
* 0x0 => not an emul support image
* 0x1 => ROS network emulation code
* 0x2 => AIX code supporting ROS emul*/
char pad3[2];
uint16_t custn_len; /* sec for customization, normal */
uint16_t custs_len; /* sec for cust. service */
uint32_t custn_start; /* start sec for cust. normal */
uint32_t custs_start; /* start sec for cust. service */
char pad4[24];
uint32_t servcode_len; /* bootcode_len for service */
uint32_t servcode_off; /* bootcode_off for service */
uint32_t servpart_start; /* bootpart_start for service */
uint32_t servprg_start; /* bootprg_start for service */
uint32_t servpart_len; /* bootpart_len for service */
uint32_t serv_load_addr; /* boot_load_addr for service */
char serv_frag; /* boot_frag for service */
char serv_emul; /* boot_emul for service */
char pad5[2];
uint32_t pv_id[4]; /* unique_id for pv_id */
char pad6[512 - 128 - 16]; /* 16 for pvid */
} rs6000_boot_record_t;
typedef struct rs6000_config_record {
uint32_t conf_rec; /* marks the record as valid */
int32_t formatted_cap; /* sectors in disk */
uint16_t pad1;
char interleave;
char sector_size; /* bytes per sector * 256 */
uint16_t last_cyl; /* number of cyl-1. total is last_cyl
* +2 where the last cyl is the CE */
char last_head; /* nrof heads -1 */
char last_sec; /* nrof sectors -1 */
char write_precomp;
char device_status; /* POST crap */
uint16_t ce_cyl; /* diag cylinder */
uint16_t eol; /* defects before disk is done. */
uint16_t seek_profile[15]; /* ESDI crap */
char mfg_id[3]; /* 0,1 size, 2 == disk maker */
char pad2;
uint32_t pv_id[4]; /* unique_id for pv_id */
char pad3[436];
} rs6000_config_record_t;
#endif /* __RS6000_BOOTREC_H__ */
