1 /* $NetBSD: rs6000_bootrec.h,v 1.2 2021/07/24 21:31:34 andvar 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; /* always 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__ */ 71