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rpb.h revision 1.29
      1 /* $NetBSD: rpb.h,v 1.29 1999/03/17 18:58:51 drochner Exp $ */
      2 
      3 /*
      4  * Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.
      5  * All rights reserved.
      6  *
      7  * Author: Keith Bostic, Chris G. Demetriou
      8  *
      9  * Permission to use, copy, modify and distribute this software and
     10  * its documentation is hereby granted, provided that both the copyright
     11  * notice and this permission notice appear in all copies of the
     12  * software, derivative works or modified versions, and any portions
     13  * thereof, and that both notices appear in supporting documentation.
     14  *
     15  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
     16  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
     17  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     18  *
     19  * Carnegie Mellon requests users of this software to return to
     20  *
     21  *  Software Distribution Coordinator  or  Software.Distribution (at) CS.CMU.EDU
     22  *  School of Computer Science
     23  *  Carnegie Mellon University
     24  *  Pittsburgh PA 15213-3890
     25  *
     26  * any improvements or extensions that they make and grant Carnegie the
     27  * rights to redistribute these changes.
     28  */
     29 
     30 /*
     31  * From DEC 3000 300/400/500/600/700/800/900 System Programmer's Manual,
     32  * EK-D3SYS-PM.B01.
     33  */
     34 
     35 /*
     36  * HWRPB (Hardware Restart Parameter Block).
     37  */
     38 #define	HWRPB_ADDR	0x10000000		/* virtual address, at boot */
     39 
     40 #ifndef	ASSEMBLER
     41 struct rpb {
     42 	u_int64_t	rpb_phys;		/*   0: HWRPB phys. address. */
     43 	char		rpb_magic[8];		/*   8: "HWRPB" (in ASCII) */
     44 	u_int64_t	rpb_version;		/*  10 */
     45 	u_int64_t	rpb_size;		/*  18: HWRPB size in bytes */
     46 	u_int64_t	rpb_primary_cpu_id;	/*  20 */
     47 	u_int64_t	rpb_page_size;		/*  28: (8192) */
     48 	u_int64_t	rpb_phys_addr_size;	/*  30:   (34) */
     49 	u_int64_t	rpb_max_asn;		/*  38:   (16) */
     50 	char		rpb_ssn[16];		/*  40: only first 10 valid */
     51 
     52 #define	ST_ADU			1		/* Alpha Demo. Unit (?) */
     53 #define	ST_DEC_4000		2		/* "Cobra" */
     54 #define	ST_DEC_7000		3		/* "Ruby" */
     55 #define	ST_DEC_3000_500		4		/* "Flamingo" family (TC) */
     56 #define	ST_DEC_2000_300		6		/* "Jensen" (EISA/ISA) */
     57 #define	ST_DEC_3000_300		7		/* "Pelican" (TC) */
     58 #define	ST_AVALON_A12		8		/* XXX Avalon Multicomputer */
     59 #define	ST_DEC_2100_A500	9		/* "Sable" */
     60 #define	ST_DEC_APXVME_64	10		/* "AXPvme" (VME) */
     61 #define	ST_DEC_AXPPCI_33	11		/* "NoName" (PCI/ISA) */
     62 #define	ST_DEC_21000		12		/* "TurboLaser" (PCI/EISA) */
     63 #define	ST_DEC_2100_A50		13		/* "Avanti" (PCI/ISA) */
     64 #define	ST_DEC_MUSTANG		14		/* "Mustang" */
     65 #define	ST_DEC_KN20AA		15		/* kn20aa (PCI/EISA) */
     66 #define	ST_DEC_1000		17		/* "Mikasa" (PCI/EISA) */
     67 #define	ST_EB66			19		/* EB66 (PCI/ISA?) */
     68 #define	ST_EB64P		20		/* EB64+ (PCI/ISA?) */
     69 #define	ST_ALPHABOOK1		21		/* Alphabook1 */
     70 #define	ST_DEC_4100		22		/* "Rawhide" (PCI/EISA) */
     71 #define	ST_DEC_EV45_PBP		23		/* "Lego" K2 Passive SBC */
     72 #define	ST_DEC_2100A_A500	24		/* "Lynx" */
     73 #define	ST_EB164		26		/* EB164 (PCI/ISA) */
     74 #define	ST_DEC_1000A		27		/* "Noritake" (PCI/EISA)*/
     75 #define	ST_DEC_ALPHAVME_224	28		/* "Cortex" */
     76 #define	ST_DEC_550		30		/* "Miata" (PCI/ISA) */
     77 #define	ST_DEC_EV56_PBP		32		/* "Takara" */
     78 #define	ST_DEC_ALPHAVME_320	33		/* "Yukon" (VME) */
     79 #define	ST_DEC_6600		34		/* EV6-Typhoon based systems */
     80 
     81 	u_int64_t	rpb_type;		/*  50: */
     82 
     83 #define	SV_MPCAP		0x00000001	/* multiprocessor capable */
     84 
     85 #define	SV_CONSOLE		0x0000001e	/* console hardware mask */
     86 #define	SV_CONSOLE_DETACHED	0x00000002
     87 #define	SV_CONSOLE_EMBEDDED	0x00000004
     88 
     89 #define	SV_POWERFAIL		0x000000e0	/* powerfail mask */
     90 #define	SV_PF_UNITED		0x00000020
     91 #define	SV_PF_SEPARATE		0x00000040
     92 #define	SV_PF_BBACKUP		0x00000060
     93 #define	SV_PF_ACTION		0x00000100	/* powerfail restart */
     94 
     95 #define	SV_GRAPHICS		0x00000200	/* graphic engine present */
     96 
     97 #define	SV_ST_MASK		0x0000fc00	/* system type mask */
     98 #define	SV_ST_RESERVED		0x00000000	/* RESERVED */
     99 
    100 /*
    101  * System types for the DEC 3000/500 (Flamingo) Family
    102  */
    103 #define	SV_ST_SANDPIPER		0x00000400	/* Sandpiper;	3000/400 */
    104 #define	SV_ST_FLAMINGO		0x00000800	/* Flamingo;	3000/500 */
    105 #define	SV_ST_HOTPINK		0x00000c00	/* "Hot Pink";	3000/500X */
    106 #define	SV_ST_FLAMINGOPLUS	0x00001000	/* Flamingo+;	3000/800 */
    107 #define	SV_ST_ULTRA		0x00001400	/* "Ultra", aka Flamingo+ */
    108 #define	SV_ST_SANDPLUS		0x00001800	/* Sandpiper+;	3000/600 */
    109 #define	SV_ST_SANDPIPER45	0x00001c00	/* Sandpiper45;	3000/700 */
    110 #define	SV_ST_FLAMINGO45	0x00002000	/* Flamingo45;	3000/900 */
    111 
    112 /*
    113  * System types for ???
    114  */
    115 #define	SV_ST_SABLE		0x00000400	/* Sable (???) */
    116 
    117 /*
    118  * System types for the DEC 3000/300 (Pelican) Family
    119  */
    120 #define	SV_ST_PELICAN		0x00000000	/* Pelican;	 3000/300 */
    121 #define	SV_ST_PELICA		0x00000400	/* Pelica;	 3000/300L */
    122 #define	SV_ST_PELICANPLUS	0x00000800	/* Pelican+;	 3000/300X */
    123 #define	SV_ST_PELICAPLUS	0x00000c00	/* Pelica+;	 3000/300LX */
    124 
    125 /*
    126  * System types for the AlphaStation Family
    127  */
    128 #define	SV_ST_AVANTI		0x00000000	/* Avanti;	400 4/233 */
    129 #define	SV_ST_MUSTANG2_4_166	0x00000800	/* Mustang II;	200 4/166 */
    130 #define	SV_ST_MUSTANG2_4_233	0x00001000	/* Mustang II;	200 4/233 */
    131 #define	SV_ST_AVANTI_XXX	0x00001400	/* also Avanti;	400 4/233 */
    132 #define	SV_ST_AVANTI_4_266	0x00002000
    133 #define	SV_ST_MUSTANG2_4_100	0x00002400	/* Mustang II;	200 4/100 */
    134 #define	SV_ST_AVANTI_4_233	0x0000a800	/* AlphaStation 255/233 */
    135 
    136 #define	SV_ST_KN20AA		0x00000400	/* AlphaStation 500/600 */
    137 
    138 /*
    139  * System types for the AXPvme Family
    140  */
    141 #define	SV_ST_AXPVME_64		0x00000000	/* 21068, 64MHz */
    142 #define	SV_ST_AXPVME_160	0x00000400	/* 21066, 160MHz */
    143 #define	SV_ST_AXPVME_100	0x00000c00	/* 21066A, 99MHz */
    144 #define	SV_ST_AXPVME_230	0x00001000	/* 21066A, 231MHz */
    145 #define	SV_ST_AXPVME_66		0x00001400	/* 21066A, 66MHz */
    146 #define	SV_ST_AXPVME_166	0x00001800	/* 21066A, 165MHz */
    147 #define	SV_ST_AXPVME_264	0x00001c00	/* 21066A, 264MHz */
    148 
    149 /*
    150  * System types for the EB164 Family
    151  */
    152 #define	SV_ST_EB164_266		0x00000400	/* EB164, 266MHz */
    153 #define	SV_ST_EB164_300		0x00000800	/* EB164, 300MHz */
    154 #define	SV_ST_ALPHAPC164_366	0x00000c00	/* AlphaPC164, 366MHz */
    155 #define	SV_ST_ALPHAPC164_400	0x00001000	/* AlphaPC164, 400MHz */
    156 #define	SV_ST_ALPHAPC164_433	0x00001400	/* AlphaPC164, 433MHz */
    157 #define	SV_ST_ALPHAPC164_466	0x00001800	/* AlphaPC164, 466MHz */
    158 #define	SV_ST_ALPHAPC164_500	0x00001c00	/* AlphaPC164, 500MHz */
    159 #define	SV_ST_ALPHAPC164LX_400	0x00002000	/* AlphaPC164LX, 400MHz */
    160 #define	SV_ST_ALPHAPC164LX_466	0x00002400	/* AlphaPC164LX, 466MHz */
    161 #define	SV_ST_ALPHAPC164LX_533	0x00002800	/* AlphaPC164LX, 533MHz */
    162 #define	SV_ST_ALPHAPC164LX_600	0x00002c00	/* AlphaPC164LX, 600MHz */
    163 #define	SV_ST_ALPHAPC164SX_400	0x00003000	/* AlphaPC164SX, 400MHz */
    164 #define	SV_ST_ALPHAPC164SX_466	0x00003400	/* AlphaPC164SX, 433MHz */
    165 #define	SV_ST_ALPHAPC164SX_533	0x00003800	/* AlphaPC164SX, 533MHz */
    166 #define	SV_ST_ALPHAPC164SX_600	0x00003c00	/* AlphaPC164SX, 600MHz */
    167 
    168 /*
    169  * System types for the Digital Personal Workstation (Miata) Family
    170  * XXX These are not very complete!
    171  */
    172 #define	SV_ST_MIATA_1_5		0x00004c00	/* Miata 1.5 */
    173 
    174 	u_int64_t	rpb_variation;		/*  58 */
    175 
    176 	char		rpb_revision[8];	/*  60; only first 4 valid */
    177 	u_int64_t	rpb_intr_freq;		/*  68; scaled by 4096 */
    178 	u_int64_t	rpb_cc_freq;		/*  70: cycle cntr frequency */
    179 	u_long		rpb_vptb;		/*  78: */
    180 	u_int64_t	rpb_reserved_arch;	/*  80: */
    181 	u_long		rpb_tbhint_off;		/*  88: */
    182 	u_int64_t	rpb_pcs_cnt;		/*  90: */
    183 	u_int64_t	rpb_pcs_size;		/*  98; pcs size in bytes */
    184 	u_long		rpb_pcs_off;		/*  A0: offset to pcs info */
    185 	u_int64_t	rpb_ctb_cnt;		/*  A8: console terminal */
    186 	u_int64_t	rpb_ctb_size;		/*  B0: ctb size in bytes */
    187 	u_long		rpb_ctb_off;		/*  B8: offset to ctb */
    188 	u_long		rpb_crb_off;		/*  C0: offset to crb */
    189 	u_long		rpb_memdat_off;		/*  C8: memory data offset */
    190 	u_long		rpb_condat_off;		/*  D0: config data offset */
    191 	u_long		rpb_fru_off;		/*  D8: FRU table offset */
    192 	u_int64_t	rpb_save_term;		/*  E0: terminal save */
    193 	u_int64_t	rpb_save_term_val;	/*  E8: */
    194 	u_int64_t	rpb_rest_term;		/*  F0: terminal restore */
    195 	u_int64_t	rpb_rest_term_val;	/*  F8: */
    196 	u_int64_t	rpb_restart;		/* 100: restart */
    197 	u_int64_t	rpb_restart_val;	/* 108: */
    198 	u_int64_t	rpb_reserve_os;		/* 110: */
    199 	u_int64_t	rpb_reserve_hw;		/* 118: */
    200 	u_int64_t	rpb_checksum;		/* 120: HWRPB checksum */
    201 	u_int64_t	rpb_rxrdy;		/* 128: receive ready */
    202 	u_int64_t	rpb_txrdy;		/* 130: transmit ready */
    203 	u_long		rpb_dsrdb_off;		/* 138: HWRPB + DSRDB offset */
    204 	u_int64_t	rpb_tbhint[8];		/* 149: TB hint block */
    205 };
    206 
    207 #define	LOCATE_PCS(h,cpunumber) ((struct pcs *)	\
    208 	((char *)(h) + (h)->rpb_pcs_off + ((cpunumber) * (h)->rpb_pcs_size)))
    209 
    210 /*
    211  * PCS: Per-CPU information.
    212  */
    213 struct pcs {
    214 	u_int8_t	pcs_hwpcb[128];		/*   0: PAL dependent */
    215 
    216 #define	PCS_BIP			0x000001	/* boot in progress */
    217 #define	PCS_RC			0x000002	/* restart possible */
    218 #define	PCS_PA			0x000004	/* processor available */
    219 #define	PCS_PP			0x000008	/* processor present */
    220 #define	PCS_OH			0x000010	/* user halted */
    221 #define	PCS_CV			0x000020	/* context valid */
    222 #define	PCS_PV			0x000040	/* PALcode valid */
    223 #define	PCS_PMV			0x000080	/* PALcode memory valid */
    224 #define	PCS_PL			0x000100	/* PALcode loaded */
    225 
    226 #define	PCS_HALT_REQ		0xff0000	/* halt request mask */
    227 #define	PCS_HALT_DEFAULT	0x000000
    228 #define	PCS_HALT_SAVE_EXIT	0x010000
    229 #define	PCS_HALT_COLD_BOOT	0x020000
    230 #define	PCS_HALT_WARM_BOOT	0x030000
    231 #define	PCS_HALT_STAY_HALTED	0x040000
    232 #define	PCS_mbz	      0xffffffffff000000	/* 24:63 -- must be zero */
    233 	u_int64_t	pcs_flags;		/*  80: */
    234 
    235 	u_int64_t	pcs_pal_memsize;	/*  88: PAL memory size */
    236 	u_int64_t	pcs_pal_scrsize;	/*  90: PAL scratch size */
    237 	u_long		pcs_pal_memaddr;	/*  98: PAL memory addr */
    238 	u_long		pcs_pal_scraddr;	/*  A0: PAL scratch addr */
    239 	struct {
    240 		u_int64_t
    241 			minorrev	: 8,	/* alphabetic char 'a' - 'z' */
    242 			majorrev	: 8,	/* alphabetic char 'a' - 'z' */
    243 #define	PAL_TYPE_STANDARD	0
    244 #define	PAL_TYPE_VMS		1
    245 #define	PAL_TYPE_OSF1		2
    246 			pal_type	: 8,	/* PALcode type:
    247 						 * 0 == standard
    248 						 * 1 == OpenVMS
    249 						 * 2 == OSF/1
    250 						 * 3-127 DIGITAL reserv.
    251 						 * 128-255 non-DIGITAL reserv.
    252 						 */
    253 			sbz1		: 8,
    254 			compatibility	: 16,	/* Compatibility revision */
    255 			proc_cnt	: 16;	/* Processor count */
    256 	} pcs_pal_rev;				/*  A8: */
    257 #define pcs_minorrev	pcs_pal_rev.minorrev
    258 #define pcs_majorrev	pcs_pal_rev.majorrev
    259 #define pcs_pal_type	pcs_pal_rev.pal_type
    260 #define pcs_compatibility	pcs_pal_rev.compatibility
    261 #define pcs_proc_cnt	pcs_pal_rev.proc_cnt
    262 
    263 	u_int64_t	pcs_proc_type;		/*  B0: processor type */
    264 
    265 #define	PCS_PROC_EV3		1			/* EV3 */
    266 #define	PCS_PROC_EV4		2			/* EV4: 21064 */
    267 #define	PCS_PROC_SIMULATION	3			/* Simulation */
    268 #define	PCS_PROC_LCA4		4			/* LCA4: 2106[68] */
    269 #define	PCS_PROC_EV5		5			/* EV5: 21164 */
    270 #define	PCS_PROC_EV45		6			/* EV45: 21064A */
    271 #define	PCS_PROC_EV56		7			/* EV56: 21164A */
    272 #define	PCS_PROC_EV6		8			/* EV6: 21264 */
    273 #define	PCS_PROC_PCA56		9			/* PCA256: 21164PC */
    274 
    275 #define	PCS_CPU_MAJORTYPE(p) ((p)->pcs_proc_type & 0xffffffff)
    276 #define	PCS_CPU_MINORTYPE(p) ((p)->pcs_proc_type >> 32)
    277 
    278 	/* Minor number interpretation is processor specific.  See cpu.c. */
    279 
    280 	u_int64_t	pcs_proc_var;		/* B8: processor variation. */
    281 
    282 #define	PCS_VAR_VAXFP		0x0000000000000001	/* VAX FP support */
    283 #define	PCS_VAR_IEEEFP		0x0000000000000002	/* IEEE FP support */
    284 #define	PCS_VAR_PE		0x0000000000000004	/* Primary Eligible */
    285 #define	PCS_VAR_RESERVED	0xfffffffffffffff8	/* Reserved */
    286 
    287 	char		pcs_proc_revision[8];	/*  C0: only first 4 valid */
    288 	char		pcs_proc_sn[16];	/*  C8: only first 10 valid */
    289 	u_long		pcs_machcheck;		/*  D8: mach chk phys addr. */
    290 	u_int64_t	pcs_machcheck_len;	/*  E0: length in bytes */
    291 	u_long		pcs_halt_pcbb;		/*  E8: phys addr of halt PCB */
    292 	u_long		pcs_halt_pc;		/*  F0: halt PC */
    293 	u_int64_t	pcs_halt_ps;		/*  F8: halt PS */
    294 	u_int64_t	pcs_halt_r25;		/* 100: halt argument list */
    295 	u_int64_t	pcs_halt_r26;		/* 108: halt return addr list */
    296 	u_int64_t	pcs_halt_r27;		/* 110: halt procedure value */
    297 
    298 #define	PCS_HALT_RESERVED		0
    299 #define	PCS_HALT_POWERUP		1
    300 #define	PCS_HALT_CONSOLE_HALT		2
    301 #define	PCS_HALT_CONSOLE_CRASH		3
    302 #define	PCS_HALT_KERNEL_MODE		4
    303 #define	PCS_HALT_KERNEL_STACK_INVALID	5
    304 #define	PCS_HALT_DOUBLE_ERROR_ABORT	6
    305 #define	PCS_HALT_SCBB			7
    306 #define	PCS_HALT_PTBR			8	/* 9-FF: reserved */
    307 	u_int64_t	pcs_halt_reason;	/* 118: */
    308 
    309 	u_int64_t	pcs_reserved_soft;	/* 120: preserved software */
    310 
    311 	struct {				/* 128: inter-console buffers */
    312 		u_int	iccb_rxlen;
    313 		u_int	iccb_txlen;
    314 		char	iccb_rxbuf[80];
    315 		char	iccb_txbuf[80];
    316 	} pcs_iccb;
    317 
    318 #define	PALvar_reserved	0
    319 #define	PALvar_OpenVMS	1
    320 #define	PALvar_OSF1	2
    321 	u_int64_t	pcs_palrevisions[16];	/* 1D0: PALcode revisions */
    322 
    323 	u_int64_t	pcs_reserved_arch[6];	/* 250: reserved arch */
    324 };
    325 
    326 /*
    327  * CTB: Console Terminal Block
    328  */
    329 struct ctb {
    330 	u_int64_t	ctb_type;		/*   0: always 4 */
    331 	u_int64_t	ctb_unit;		/*   8: */
    332 	u_int64_t	ctb_reserved;		/*  16: */
    333 	u_int64_t	ctb_len;		/*  24: bytes of info */
    334 	u_int64_t	ctb_ipl;		/*  32: console ipl level */
    335 	u_long		ctb_tintr_vec;		/*  40: transmit vec (0x800) */
    336 	u_long		ctb_rintr_vec;		/*  48: receive vec (0x800) */
    337 
    338 #define	CTB_GRAPHICS	   3			/* graphics device */
    339 #define	CTB_NETWORK	0xC0			/* network device */
    340 #define	CTB_PRINTERPORT	   2			/* printer port on the SCC */
    341 	u_int64_t	ctb_term_type;		/*  56: terminal type */
    342 
    343 	u_int64_t	ctb_keybd_type;		/*  64: keyboard nationality */
    344 	u_long		ctb_keybd_trans;	/*  72: trans. table addr */
    345 	u_long		ctb_keybd_map;		/*  80: map table addr */
    346 	u_int64_t	ctb_keybd_state;	/*  88: keyboard flags */
    347 	u_int64_t	ctb_keybd_last;		/*  96: last key entered */
    348 	u_long		ctb_font_us;		/* 104: US font table addr */
    349 	u_long		ctb_font_mcs;		/* 112: MCS font table addr */
    350 	u_int64_t	ctb_font_width;		/* 120: font width, height */
    351 	u_int64_t	ctb_font_height;	/* 128:		in pixels */
    352 	u_int64_t	ctb_mon_width;		/* 136: monitor width, height */
    353 	u_int64_t	ctb_mon_height;		/* 144:		in pixels */
    354 	u_int64_t	ctb_dpi;		/* 152: monitor dots per inch */
    355 	u_int64_t	ctb_planes;		/* 160: # of planes */
    356 	u_int64_t	ctb_cur_width;		/* 168: cursor width, height */
    357 	u_int64_t	ctb_cur_height;		/* 176:		in pixels */
    358 	u_int64_t	ctb_head_cnt;		/* 184: # of heads */
    359 	u_int64_t	ctb_opwindow;		/* 192: opwindow on screen */
    360 	u_long		ctb_head_offset;	/* 200: offset to head info */
    361 	u_long		ctb_putchar;		/* 208: output char to TURBO */
    362 	u_int64_t	ctb_io_state;		/* 216: I/O flags */
    363 	u_int64_t	ctb_listen_state;	/* 224: listener flags */
    364 	u_long		ctb_xaddr;		/* 232: extended info addr */
    365 	u_int64_t	ctb_turboslot;		/* 248: TURBOchannel slot # */
    366 	u_int64_t	ctb_server_off;		/* 256: offset to server info */
    367 	u_int64_t	ctb_line_off;		/* 264: line parameter offset */
    368 	u_int8_t	ctb_csd;		/* 272: console specific data */
    369 };
    370 
    371 /*
    372  * CRD: Console Routine Descriptor
    373  */
    374 struct crd {
    375 	int64_t		descriptor;
    376 	u_int64_t	entry_va;
    377 };
    378 
    379 /*
    380  * CRB: Console Routine Block
    381  */
    382 struct crb {
    383 	struct crd	*crb_v_dispatch;	/*   0: virtual dispatch addr */
    384 	u_long		 crb_p_dispatch;	/*   8: phys dispatch addr */
    385 	struct crd	*crb_v_fixup;		/*  10: virtual fixup addr */
    386 	u_long		 crb_p_fixup;		/*  18: phys fixup addr */
    387 	u_int64_t	 crb_map_cnt;		/*  20: phys/virt map entries */
    388 	u_int64_t	 crb_page_cnt;		/*  28: pages to be mapped */
    389 };
    390 
    391 /*
    392  * MDDT: Memory Data Descriptor Table
    393  */
    394 struct mddt {
    395 	int64_t	 	mddt_cksum;		/*   0: 7-N checksum */
    396 	u_long		mddt_physaddr;		/*   8: bank config addr
    397 						 * IMPLEMENTATION SPECIFIC
    398 						 */
    399 	u_int64_t	mddt_cluster_cnt;	/*  10: memory cluster count */
    400 	struct mddt_cluster {
    401 		u_long		mddt_pfn;	/*   0: starting PFN */
    402 		u_int64_t	mddt_pg_cnt;	/*   8: 8KB page count */
    403 		u_int64_t	mddt_pg_test;	/*  10: tested page count */
    404 		u_long		mddt_v_bitaddr;	/*  18: bitmap virt addr */
    405 		u_long		mddt_p_bitaddr;	/*  20: bitmap phys addr */
    406 		int64_t		mddt_bit_cksum;	/*  28: bitmap checksum */
    407 
    408 #define	MDDT_NONVOLATILE		0x10	/* cluster is non-volatile */
    409 #define	MDDT_PALCODE			0x01	/* console and PAL only */
    410 #define	MDDT_SYSTEM			0x00	/* system software only */
    411 #define	MDDT_mbz	  0xfffffffffffffffc	/* 2:63 -- must be zero */
    412 		int64_t		mddt_usage;	/*  30: bitmap permissions */
    413 	} mddt_clusters[1];			/* variable length array */
    414 };
    415 
    416 /*
    417  * DSR: Dynamic System Recognition.  We're interested in the sysname
    418  * offset.  The data pointed to by sysname is:
    419  *
    420  *	[8 bytes: length of system name][N bytes: system name string]
    421  *
    422  * The system name string is NUL-terminated.
    423  */
    424 struct dsrdb {
    425 	int64_t		dsr_smm;		/*  0: SMM number */
    426 	u_int64_t	dsr_lurt_off;		/*  8: LURT table offset */
    427 	u_int64_t	dsr_sysname_off;	/* 16: offset to sysname */
    428 };
    429 
    430 /*
    431  * The DSR appeared in version 5 of the HWRPB.
    432  */
    433 #define	HWRPB_DSRDB_MINVERS	5
    434 
    435 #ifdef	_KERNEL
    436 int	cputype;
    437 extern struct rpb *hwrpb;
    438 #endif
    439 
    440 #endif /* ASSEMBLER */
    441