sys/arch/powerpc/stand/mkbootimage/rs6000_bootrec.h

   1 /* $NetBSD: bootrec.h,v 1.1 2007/12/17 19:09:56 garbled Exp $ */
   2
   3 #include <sys/types.h>
   4
   5 #ifndef __RS6000_BOOTREC_H__
   6 #define __RS6000_BOOTREC_H__
   7
   8 #define IPLRECID        0xC9C2D4C1      /* IBMA in EBCIDIC */
   9 #define CONFRECID       0xF8E9DACB      /* no idea */
  10
  11 typedef struct rs6000_boot_record {
  12         uint32_t        ipl_record;     /* allways IPLRECID */
  13         char            pad1[20];
  14         uint32_t        formatted_cap;  /* sectors in the disk */
  15         char            floppy_last_head; /* nrof heads -1 */
  16         char            floppy_last_sec;/* sectors per track starting at 1 */
  17         char            pad2[6];
  18         uint32_t        bootcode_len;   /* in sectors, 0 means no boot code */
  19         uint32_t        bootcode_off;   /* 0 if no bootcode, or byte offset to
  20                                          * first instruction */
  21         uint32_t        bootpart_start; /* sec num of boot partition */
  22         uint32_t        bootprg_start;  /* sec num of boot code, 0 for none */
  23         uint32_t        bootpart_len;   /* len in sectors of boot part. */
  24         uint32_t        boot_load_addr; /* 512 byte boundary load addr */
  25         char            boot_frag;      /* 0/1 fragmentation allowed */
  26         char            boot_emul;      /* ROS network emulation flag:
  27                                          * 0x0 => not an emul support image
  28                                          * 0x1 => ROS network emulation code
  29                                          * 0x2 => AIX code supporting ROS emul*/
  30         char            pad3[2];
  31         uint16_t        custn_len;      /* sec for customization, normal */
  32         uint16_t        custs_len;      /* sec for cust. service */
  33         uint32_t        custn_start;    /* start sec for cust. normal */
  34         uint32_t        custs_start;    /* start sec for cust. service */
  35         char            pad4[24];
  36         uint32_t        servcode_len;   /* bootcode_len for service */
  37         uint32_t        servcode_off;   /* bootcode_off for service */
  38         uint32_t        servpart_start; /* bootpart_start for service */
  39         uint32_t        servprg_start;  /* bootprg_start for service */
  40         uint32_t        servpart_len;   /* bootpart_len for service */
  41         uint32_t        serv_load_addr; /* boot_load_addr for service */
  42         char            serv_frag;      /* boot_frag for service */
  43         char            serv_emul;      /* boot_emul for service */
  44         char            pad5[2];
  45         uint32_t        pv_id[4];       /* unique_id for pv_id */
  46         char            pad6[512 - 128 - 16]; /* 16 for pvid */
  47 } rs6000_boot_record_t;
  48
  49 typedef struct rs6000_config_record {
  50         uint32_t        conf_rec;       /* marks the record as valid */
  51         int32_t         formatted_cap;  /* sectors in disk */
  52         uint16_t        pad1;
  53         char            interleave;
  54         char            sector_size;    /* bytes per sector * 256 */
  55         uint16_t        last_cyl;       /* number of cyl-1. total is last_cyl
  56                                          * +2 where the last cyl is the CE */
  57         char            last_head;      /* nrof heads -1 */
  58         char            last_sec;       /* nrof sectors -1 */
  59         char            write_precomp;
  60         char            device_status;  /* POST crap */
  61         uint16_t        ce_cyl;         /* diag cylinder */
  62         uint16_t        eol;            /* defects before disk is done. */
  63         uint16_t        seek_profile[15]; /* ESDI crap */
  64         char            mfg_id[3];      /* 0,1 size, 2 == disk maker */
  65         char            pad2;
  66         uint32_t        pv_id[4];       /* unique_id for pv_id */
  67         char            pad3[436];
  68 } rs6000_config_record_t;
  69
  70 #endif /* __RS6000_BOOTREC_H__ */