URL https://opencores.org/ocsvn/or1k/or1k/trunk

Subversion Repositories or1k

[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [include/] [asm-mips/] [sgiarcs.h] - Blame information for rev 1765

Details | Compare with Previous | View Log


/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * ARC firmware interface defines.
 *
 * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
 * Copyright (C) 1999, 2001 Ralf Baechle (ralf@gnu.org)
 * Copyright (C) 1999 Silicon Graphics, Inc.
 */
#ifndef _ASM_SGIARCS_H
#define _ASM_SGIARCS_H
 
#include <linux/config.h>
#include <asm/types.h>
#include <asm/arc/types.h>
 
/* Various ARCS error codes. */
#define PROM_ESUCCESS                   0x00
#define PROM_E2BIG                      0x01
#define PROM_EACCESS                    0x02
#define PROM_EAGAIN                     0x03
#define PROM_EBADF                      0x04
#define PROM_EBUSY                      0x05
#define PROM_EFAULT                     0x06
#define PROM_EINVAL                     0x07
#define PROM_EIO                        0x08
#define PROM_EISDIR                     0x09
#define PROM_EMFILE                     0x0a
#define PROM_EMLINK                     0x0b
#define PROM_ENAMETOOLONG               0x0c
#define PROM_ENODEV                     0x0d
#define PROM_ENOENT                     0x0e
#define PROM_ENOEXEC                    0x0f
#define PROM_ENOMEM                     0x10
#define PROM_ENOSPC                     0x11
#define PROM_ENOTDIR                    0x12
#define PROM_ENOTTY                     0x13
#define PROM_ENXIO                      0x14
#define PROM_EROFS                      0x15
/* SGI ARCS specific errno's. */
#define PROM_EADDRNOTAVAIL              0x1f
#define PROM_ETIMEDOUT                  0x20
#define PROM_ECONNABORTED               0x21
#define PROM_ENOCONNECT                 0x22
 
/* Device classes, types, and identifiers for prom
 * device inventory queries.
 */
enum linux_devclass {
        system, processor, cache, adapter, controller, peripheral, memory
};
 
enum linux_devtypes {
        /* Generic stuff. */
        Arc, Cpu, Fpu,
 
        /* Primary insn and data caches. */
        picache, pdcache,
 
        /* Secondary insn, data, and combined caches. */
        sicache, sdcache, sccache,
 
        memdev, eisa_adapter, tc_adapter, scsi_adapter, dti_adapter,
        multifunc_adapter, dsk_controller, tp_controller, cdrom_controller,
        worm_controller, serial_controller, net_controller, disp_controller,
        parallel_controller, ptr_controller, kbd_controller, audio_controller,
        misc_controller, disk_peripheral, flpy_peripheral, tp_peripheral,
        modem_peripheral, monitor_peripheral, printer_peripheral,
        ptr_peripheral, kbd_peripheral, term_peripheral, line_peripheral,
        net_peripheral, misc_peripheral, anon
};
 
enum linux_identifier {
        bogus, ronly, removable, consin, consout, input, output
};
 
/* A prom device tree component. */
struct linux_component {
        enum linux_devclass     class;  /* node class */
        enum linux_devtypes     type;   /* node type */
        enum linux_identifier   iflags; /* node flags */
        USHORT                  vers;   /* node version */
        USHORT                  rev;    /* node revision */
        ULONG                   key;    /* completely magic */
        ULONG                   amask;  /* XXX affinity mask??? */
        ULONG                   cdsize; /* size of configuration data */
        ULONG                   ilen;   /* length of string identifier */
        _PULONG                 iname;  /* string identifier */
};
typedef struct linux_component pcomponent;
 
struct linux_sysid {
        char vend[8], prod[8];
};
 
/* ARCS prom memory descriptors. */
enum arcs_memtypes {
        arcs_eblock,  /* exception block */
        arcs_rvpage,  /* ARCS romvec page */
        arcs_fcontig, /* Contiguous and free */
        arcs_free,    /* Generic free memory */
        arcs_bmem,    /* Borken memory, don't use */
        arcs_prog,    /* A loaded program resides here */
        arcs_atmp,    /* ARCS temporary storage area, wish Sparc OpenBoot told this */
        arcs_aperm,   /* ARCS permanent storage... */
};
 
/* ARC has slightly different types than ARCS */
enum arc_memtypes {
        arc_eblock,  /* exception block */
        arc_rvpage,  /* romvec page */
        arc_free,    /* Generic free memory */
        arc_bmem,    /* Borken memory, don't use */
        arc_prog,    /* A loaded program resides here */
        arc_atmp,    /* temporary storage area */
        arc_aperm,   /* permanent storage */
        arc_fcontig, /* Contiguous and free */
};
 
union linux_memtypes {
    enum arcs_memtypes arcs;
    enum arc_memtypes arc;
};
 
struct linux_mdesc {
        union linux_memtypes type;
        ULONG base;
        ULONG pages;
};
 
/* Time of day descriptor. */
struct linux_tinfo {
        unsigned short yr;
        unsigned short mnth;
        unsigned short day;
        unsigned short hr;
        unsigned short min;
        unsigned short sec;
        unsigned short msec;
};
 
/* ARCS virtual dirents. */
struct linux_vdirent {
        ULONG namelen;
        unsigned char attr;
        char fname[32]; /* XXX imperical, should be a define */
};
 
/* Other stuff for files. */
enum linux_omode {
        rdonly, wronly, rdwr, wronly_creat, rdwr_creat,
        wronly_ssede, rdwr_ssede, dirent, dirent_creat
};
 
enum linux_seekmode {
        absolute, relative
};
 
enum linux_mountops {
        media_load, media_unload
};
 
/* This prom has a bolixed design. */
struct linux_bigint {
#ifdef __MIPSEL__
        u32 lo;
        s32 hi;
#else /* !(__MIPSEL__) */
        s32 hi;
        u32 lo;
#endif
};
 
struct linux_finfo {
        struct linux_bigint   begin;
        struct linux_bigint   end;
        struct linux_bigint   cur;
        enum linux_devtypes   dtype;
        unsigned long         namelen;
        unsigned char         attr;
        char                  name[32]; /* XXX imperical, should be define */
};
 
/* This describes the vector containing function pointers to the ARC
   firmware functions.  */
struct linux_romvec {
        LONG    load;                   /* Load an executable image. */
        LONG    invoke;                 /* Invoke a standalong image. */
        LONG    exec;                   /* Load and begin execution of a
                                           standalone image. */
        LONG    halt;                   /* Halt the machine. */
        LONG    pdown;                  /* Power down the machine. */
        LONG    restart;                /* XXX soft reset??? */
        LONG    reboot;                 /* Reboot the machine. */
        LONG    imode;                  /* Enter PROM interactive mode. */
        LONG    _unused1;               /* Was ReturnFromMain(). */
 
        /* PROM device tree interface. */
        LONG    next_component;
        LONG    child_component;
        LONG    parent_component;
        LONG    component_data;
        LONG    child_add;
        LONG    comp_del;
        LONG    component_by_path;
 
        /* Misc. stuff. */
        LONG    cfg_save;
        LONG    get_sysid;
 
        /* Probing for memory. */
        LONG    get_mdesc;
        LONG    _unused2;               /* was Signal() */
 
        LONG    get_tinfo;
        LONG    get_rtime;
 
        /* File type operations. */
        LONG    get_vdirent;
        LONG    open;
        LONG    close;
        LONG    read;
        LONG    get_rstatus;
        LONG    write;
        LONG    seek;
        LONG    mount;
 
        /* Dealing with firmware environment variables. */
        LONG    get_evar;
        LONG    set_evar;
 
        LONG    get_finfo;
        LONG    set_finfo;
 
        /* Miscellaneous. */
        LONG    cache_flush;
};
 
/* The SGI ARCS parameter block is in a fixed location for standalone
 * programs to access PROM facilities easily.
 */
typedef struct _SYSTEM_PARAMETER_BLOCK {
        ULONG                   magic;          /* magic cookie */
#define PROMBLOCK_MAGIC      0x53435241
 
        ULONG                   len;            /* length of parm block */
        USHORT                  ver;            /* ARCS firmware version */
        USHORT                  rev;            /* ARCS firmware revision */
        _PLONG                  rs_block;       /* Restart block. */
        _PLONG                  dbg_block;      /* Debug block. */
        _PLONG                  gevect;         /* XXX General vector??? */
        _PLONG                  utlbvect;       /* XXX UTLB vector??? */
        ULONG                   rveclen;        /* Size of romvec struct. */
        _PVOID                  romvec;         /* Function interface. */
        ULONG                   pveclen;        /* Length of private vector. */
        _PVOID                  pvector;        /* Private vector. */
        ULONG                   adap_cnt;       /* Adapter count. */
        ULONG                   adap_typ0;      /* First adapter type. */
        ULONG                   adap_vcnt0;     /* Adapter 0 vector count. */
        _PVOID                  adap_vector;    /* Adapter 0 vector ptr. */
        ULONG                   adap_typ1;      /* Second adapter type. */
        ULONG                   adap_vcnt1;     /* Adapter 1 vector count. */
        _PVOID                  adap_vector1;   /* Adapter 1 vector ptr. */
        /* More adapter vectors go here... */
} SYSTEM_PARAMETER_BLOCK, *PSYSTEM_PARAMETER_BLOCK;
 
#define PROMBLOCK ((PSYSTEM_PARAMETER_BLOCK) (int)0xA0001000)
#define ROMVECTOR ((struct linux_romvec *) (long)(PROMBLOCK)->romvec)
 
/* Cache layout parameter block. */
union linux_cache_key {
        struct param {
#ifdef __MIPSEL__
                unsigned short size;
                unsigned char lsize;
                unsigned char bsize;
#else /* !(__MIPSEL__) */
                unsigned char bsize;
                unsigned char lsize;
                unsigned short size;
#endif
        } info;
        unsigned long allinfo;
};
 
/* Configuration data. */
struct linux_cdata {
        char *name;
        int mlen;
        enum linux_devtypes type;
};
 
/* Common SGI ARCS firmware file descriptors. */
#define SGIPROM_STDIN     0
#define SGIPROM_STDOUT    1
 
/* Common SGI ARCS firmware file types. */
#define SGIPROM_ROFILE    0x01  /* read-only file */
#define SGIPROM_HFILE     0x02  /* hidden file */
#define SGIPROM_SFILE     0x04  /* System file */
#define SGIPROM_AFILE     0x08  /* Archive file */
#define SGIPROM_DFILE     0x10  /* Directory file */
#define SGIPROM_DELFILE   0x20  /* Deleted file */
 
/* SGI ARCS boot record information. */
struct sgi_partition {
        unsigned char flag;
#define SGIPART_UNUSED 0x00
#define SGIPART_ACTIVE 0x80
 
        unsigned char shead, ssect, scyl; /* unused */
        unsigned char systype; /* OS type, Irix or NT */
        unsigned char ehead, esect, ecyl; /* unused */
        unsigned char rsect0, rsect1, rsect2, rsect3;
        unsigned char tsect0, tsect1, tsect2, tsect3;
};
 
#define SGIBBLOCK_MAGIC   0xaa55
#define SGIBBLOCK_MAXPART 0x0004
 
struct sgi_bootblock {
        unsigned char _unused[446];
        struct sgi_partition partitions[SGIBBLOCK_MAXPART];
        unsigned short magic;
};
 
/* BIOS parameter block. */
struct sgi_bparm_block {
        unsigned short bytes_sect;    /* bytes per sector */
        unsigned char  sect_clust;    /* sectors per cluster */
        unsigned short sect_resv;     /* reserved sectors */
        unsigned char  nfats;         /* # of allocation tables */
        unsigned short nroot_dirents; /* # of root directory entries */
        unsigned short sect_volume;   /* sectors in volume */
        unsigned char  media_type;    /* media descriptor */
        unsigned short sect_fat;      /* sectors per allocation table */
        unsigned short sect_track;    /* sectors per track */
        unsigned short nheads;        /* # of heads */
        unsigned short nhsects;       /* # of hidden sectors */
};
 
struct sgi_bsector {
        unsigned char   jmpinfo[3];
        unsigned char   manuf_name[8];
        struct sgi_bparm_block info;
};
 
/* Debugging block used with SGI symmon symbolic debugger. */
#define SMB_DEBUG_MAGIC   0xfeeddead
struct linux_smonblock {
        unsigned long   magic;
        void            (*handler)(void);  /* Breakpoint routine. */
        unsigned long   dtable_base;       /* Base addr of dbg table. */
        int             (*printf)(const char *fmt, ...);
        unsigned long   btable_base;       /* Breakpoint table. */
        unsigned long   mpflushreqs;       /* SMP cache flush request list. */
        unsigned long   ntab;              /* Name table. */
        unsigned long   stab;              /* Symbol table. */
        int             smax;              /* Max # of symbols. */
};
 
/*
 * Macros for calling a 32-bit ARC implementation from 64-bit code
 */
 
#if defined(CONFIG_MIPS64) && defined(CONFIG_ARC32)
 
#define __arc_clobbers                                                  \
        "$2","$3" /* ... */, "$8","$9","$10","$11",                     \
        "$12","$13","$14","$15","$16","$24","25","$31"
 
#define ARC_CALL0(dest)                                                 \
({      long __res;                                                     \
        long __vec = (long) romvec->dest;                               \
        __asm__ __volatile__(                                           \
        "dsubu\t$29, 32\n\t"                                            \
        "jalr\t%1\n\t"                                                  \
        "daddu\t$29, 32\n\t"                                            \
        "move\t%0, $2"                                                  \
        : "=r" (__res), "=r" (__vec)                                    \
        : "1" (__vec)                                                   \
        : __arc_clobbers, "$4","$5","$6","$7");                         \
        (unsigned long) __res;                                          \
})
 
#define ARC_CALL1(dest,a1)                                              \
({      long __res;                                                     \
        register signed int __a1 __asm__("$4") = (int) (long) (a1);     \
        long __vec = (long) romvec->dest;                               \
        __asm__ __volatile__(                                           \
        "dsubu\t$29, 32\n\t"                                            \
        "jalr\t%1\n\t"                                                  \
        "daddu\t$29, 32\n\t"                                            \
        "move\t%0, $2"                                                  \
        : "=r" (__res), "=r" (__vec)                                    \
        : "1" (__vec), "r" (__a1)                                       \
        : __arc_clobbers, "$5","$6","$7");                              \
        (unsigned long) __res;                                          \
})
 
#define ARC_CALL2(dest,a1,a2)                                           \
({      long __res;                                                     \
        register signed int __a1 __asm__("$4") = (int) (long) (a1);     \
        register signed int __a2 __asm__("$5") = (int) (long) (a2);     \
        long __vec = (long) romvec->dest;                               \
        __asm__ __volatile__(                                           \
        "dsubu\t$29, 32\n\t"                                            \
        "jalr\t%1\n\t"                                                  \
        "daddu\t$29, 32\n\t"                                            \
        "move\t%0, $2"                                                  \
        : "=r" (__res), "=r" (__vec)                                    \
        : "1" (__vec), "r" (__a1), "r" (__a2)                           \
        : __arc_clobbers, "$6","$7");                                   \
        __res;                                                          \
})
 
#define ARC_CALL3(dest,a1,a2,a3)                                        \
({      long __res;                                                     \
        register signed int __a1 __asm__("$4") = (int) (long) (a1);     \
        register signed int __a2 __asm__("$5") = (int) (long) (a2);     \
        register signed int __a3 __asm__("$6") = (int) (long) (a3);     \
        long __vec = (long) romvec->dest;                               \
        __asm__ __volatile__(                                           \
        "dsubu\t$29, 32\n\t"                                            \
        "jalr\t%1\n\t"                                                  \
        "daddu\t$29, 32\n\t"                                            \
        "move\t%0, $2"                                                  \
        : "=r" (__res), "=r" (__vec)                                    \
        : "1" (__vec), "r" (__a1), "r" (__a2), "r" (__a3)               \
        : __arc_clobbers, "$7");                                        \
        __res;                                                          \
})
 
#define ARC_CALL4(dest,a1,a2,a3,a4)                                     \
({      long __res;                                                     \
        register signed int __a1 __asm__("$4") = (int) (long) (a1);     \
        register signed int __a2 __asm__("$5") = (int) (long) (a2);     \
        register signed int __a3 __asm__("$6") = (int) (long) (a3);     \
        register signed int __a4 __asm__("$7") = (int) (long) (a4);     \
        long __vec = (long) romvec->dest;                               \
        __asm__ __volatile__(                                           \
        "dsubu\t$29, 32\n\t"                                            \
        "jalr\t%1\n\t"                                                  \
        "daddu\t$29, 32\n\t"                                            \
        "move\t%0, $2"                                                  \
        : "=r" (__res), "=r" (__vec)                                    \
        : "1" (__vec), "r" (__a1), "r" (__a2), "r" (__a3),              \
          "r" (__a4)                                                    \
        : __arc_clobbers);                                              \
        __res;                                                          \
})
 
#define ARC_CALL5(dest,a1,a2,a3,a4,a5)                                  \
({      long __res;                                                     \
        register signed int __a1 __asm__("$4") = (int) (long) (a1);     \
        register signed int __a2 __asm__("$5") = (int) (long) (a2);     \
        register signed int __a3 __asm__("$6") = (int) (long) (a3);     \
        register signed int __a4 __asm__("$7") = (int) (long) (a4);     \
        register signed int __a5 = (a5);                                \
        long __vec = (long) romvec->dest;                               \
        __asm__ __volatile__(                                           \
        "dsubu\t$29, 32\n\t"                                            \
        "sw\t%6, 16($29)\n\t"                                           \
        "jalr\t%1\n\t"                                                  \
        "daddu\t$29, 32\n\t"                                            \
        "move\t%0, $2"                                                  \
        : "=r" (__res), "=r" (__vec)                                    \
        : "1" (__vec),                                                  \
          "r" (__a1), "r" (__a2), "r" (__a3), "r" (__a4),               \
          "r" (__a5)                                                    \
        : __arc_clobbers);                                              \
        __res;                                                          \
})
 
#endif /* defined(CONFIG_MIPS64) && defined(CONFIG_ARC32) */
 
#if (defined(CONFIG_MIPS32) && defined(CONFIG_ARC32)) ||                \
    (defined(CONFIG_MIPS64) && defined(CONFIG_ARC64))
 
#define ARC_CALL0(dest)                                                 \
({      long __res;                                                     \
        long (*__vec)(void) = (void *) romvec->dest;                    \
                                                                        \
        __res = __vec();                                                \
        __res;                                                          \
})
 
#define ARC_CALL1(dest,a1)                                              \
({      long __res;                                                     \
        long __a1 = (long) (a1);                                        \
        long (*__vec)(long) = (void *) romvec->dest;                    \
                                                                        \
        __res = __vec(__a1);                                            \
        __res;                                                          \
})
 
#define ARC_CALL2(dest,a1,a2)                                           \
({      long __res;                                                     \
        long __a1 = (long) (a1);                                        \
        long __a2 = (long) (a2);                                        \
        long (*__vec)(long, long) = (void *) romvec->dest;              \
                                                                        \
        __res = __vec(__a1, __a2);                                      \
        __res;                                                          \
})
 
#define ARC_CALL3(dest,a1,a2,a3)                                        \
({      long __res;                                                     \
        long __a1 = (long) (a1);                                        \
        long __a2 = (long) (a2);                                        \
        long __a3 = (long) (a3);                                        \
        long (*__vec)(long, long, long) = (void *) romvec->dest;        \
                                                                        \
        __res = __vec(__a1, __a2, __a3);                                \
        __res;                                                          \
})
 
#define ARC_CALL4(dest,a1,a2,a3,a4)                                     \
({      long __res;                                                     \
        long __a1 = (long) (a1);                                        \
        long __a2 = (long) (a2);                                        \
        long __a3 = (long) (a3);                                        \
        long __a4 = (long) (a4);                                        \
        long (*__vec)(long, long, long, long) = (void *) romvec->dest;  \
                                                                        \
        __res = __vec(__a1, __a2, __a3, __a4);                          \
        __res;                                                          \
})
 
#define ARC_CALL5(dest,a1,a2,a3,a4,a5)                                  \
({      long __res;                                                     \
        long __a1 = (long) (a1);                                        \
        long __a2 = (long) (a2);                                        \
        long __a3 = (long) (a3);                                        \
        long __a4 = (long) (a4);                                        \
        long __a5 = (long) (a5);                                        \
        long (*__vec)(long, long, long, long, long);                    \
        __vec = (void *) romvec->dest;                                  \
                                                                        \
        __res = __vec(__a1, __a2, __a3, __a4, __a5);                    \
        __res;                                                          \
})
#endif /* both kernel and ARC either 32-bit or 64-bit */
 
#endif /* _ASM_SGIARCS_H */

Browse

Tools

Subversion Repositories or1k

[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [include/] [asm-mips/] [sgiarcs.h] - Blame information for rev 1765

Line No.	Rev	Author	Line
1	1276	phoenix	`/*`
2			`* This file is subject to the terms and conditions of the GNU General Public`
3			`* License. See the file "COPYING" in the main directory of this archive`
4			`* for more details.`
5			`*`
6			`* ARC firmware interface defines.`
7			`*`
8			`* Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)`
9			`* Copyright (C) 1999, 2001 Ralf Baechle (ralf@gnu.org)`
10			`* Copyright (C) 1999 Silicon Graphics, Inc.`
11			`*/`
12			`#ifndef _ASM_SGIARCS_H`
13			`#define _ASM_SGIARCS_H`
14
15			`#include <linux/config.h>`
16			`#include <asm/types.h>`
17			`#include <asm/arc/types.h>`
18
19			`/* Various ARCS error codes. */`
20			`#define PROM_ESUCCESS 0x00`
21			`#define PROM_E2BIG 0x01`
22			`#define PROM_EACCESS 0x02`
23			`#define PROM_EAGAIN 0x03`
24			`#define PROM_EBADF 0x04`
25			`#define PROM_EBUSY 0x05`
26			`#define PROM_EFAULT 0x06`
27			`#define PROM_EINVAL 0x07`
28			`#define PROM_EIO 0x08`
29			`#define PROM_EISDIR 0x09`
30			`#define PROM_EMFILE 0x0a`
31			`#define PROM_EMLINK 0x0b`
32			`#define PROM_ENAMETOOLONG 0x0c`
33			`#define PROM_ENODEV 0x0d`
34			`#define PROM_ENOENT 0x0e`
35			`#define PROM_ENOEXEC 0x0f`
36			`#define PROM_ENOMEM 0x10`
37			`#define PROM_ENOSPC 0x11`
38			`#define PROM_ENOTDIR 0x12`
39			`#define PROM_ENOTTY 0x13`
40			`#define PROM_ENXIO 0x14`
41			`#define PROM_EROFS 0x15`
42			`/* SGI ARCS specific errno's. */`
43			`#define PROM_EADDRNOTAVAIL 0x1f`
44			`#define PROM_ETIMEDOUT 0x20`
45			`#define PROM_ECONNABORTED 0x21`
46			`#define PROM_ENOCONNECT 0x22`
47
48			`/* Device classes, types, and identifiers for prom`
49			`* device inventory queries.`
50			`*/`
51			`enum linux_devclass {`
52			`system, processor, cache, adapter, controller, peripheral, memory`
53			`};`
54
55			`enum linux_devtypes {`
56			`/* Generic stuff. */`
57			`Arc, Cpu, Fpu,`
58
59			`/* Primary insn and data caches. */`
60			`picache, pdcache,`
61
62			`/* Secondary insn, data, and combined caches. */`
63			`sicache, sdcache, sccache,`
64
65			`memdev, eisa_adapter, tc_adapter, scsi_adapter, dti_adapter,`
66			`multifunc_adapter, dsk_controller, tp_controller, cdrom_controller,`
67			`worm_controller, serial_controller, net_controller, disp_controller,`
68			`parallel_controller, ptr_controller, kbd_controller, audio_controller,`
69			`misc_controller, disk_peripheral, flpy_peripheral, tp_peripheral,`
70			`modem_peripheral, monitor_peripheral, printer_peripheral,`
71			`ptr_peripheral, kbd_peripheral, term_peripheral, line_peripheral,`
72			`net_peripheral, misc_peripheral, anon`
73			`};`
74
75			`enum linux_identifier {`
76			`bogus, ronly, removable, consin, consout, input, output`
77			`};`
78
79			`/* A prom device tree component. */`
80			`struct linux_component {`
81			`enum linux_devclass class; /* node class */`
82			`enum linux_devtypes type; /* node type */`
83			`enum linux_identifier iflags; /* node flags */`
84			`USHORT vers; /* node version */`
85			`USHORT rev; /* node revision */`
86			`ULONG key; /* completely magic */`
87			`ULONG amask; /* XXX affinity mask??? */`
88			`ULONG cdsize; /* size of configuration data */`
89			`ULONG ilen; /* length of string identifier */`
90			`_PULONG iname; /* string identifier */`
91			`};`
92			`typedef struct linux_component pcomponent;`
93
94			`struct linux_sysid {`
95			`char vend[8], prod[8];`
96			`};`
97
98			`/* ARCS prom memory descriptors. */`
99			`enum arcs_memtypes {`
100			`arcs_eblock, /* exception block */`
101			`arcs_rvpage, /* ARCS romvec page */`
102			`arcs_fcontig, /* Contiguous and free */`
103			`arcs_free, /* Generic free memory */`
104			`arcs_bmem, /* Borken memory, don't use */`
105			`arcs_prog, /* A loaded program resides here */`
106			`arcs_atmp, /* ARCS temporary storage area, wish Sparc OpenBoot told this */`
107			`arcs_aperm, /* ARCS permanent storage... */`
108			`};`
109
110			`/* ARC has slightly different types than ARCS */`
111			`enum arc_memtypes {`
112			`arc_eblock, /* exception block */`
113			`arc_rvpage, /* romvec page */`
114			`arc_free, /* Generic free memory */`
115			`arc_bmem, /* Borken memory, don't use */`
116			`arc_prog, /* A loaded program resides here */`
117			`arc_atmp, /* temporary storage area */`
118			`arc_aperm, /* permanent storage */`
119			`arc_fcontig, /* Contiguous and free */`
120			`};`
121
122			`union linux_memtypes {`
123			`enum arcs_memtypes arcs;`
124			`enum arc_memtypes arc;`
125			`};`
126
127			`struct linux_mdesc {`
128			`union linux_memtypes type;`
129			`ULONG base;`
130			`ULONG pages;`
131			`};`
132
133			`/* Time of day descriptor. */`
134			`struct linux_tinfo {`
135			`unsigned short yr;`
136			`unsigned short mnth;`
137			`unsigned short day;`
138			`unsigned short hr;`
139			`unsigned short min;`
140			`unsigned short sec;`
141			`unsigned short msec;`
142			`};`
143
144			`/* ARCS virtual dirents. */`
145			`struct linux_vdirent {`
146			`ULONG namelen;`
147			`unsigned char attr;`
148			`char fname[32]; /* XXX imperical, should be a define */`
149			`};`
150
151			`/* Other stuff for files. */`
152			`enum linux_omode {`
153			`rdonly, wronly, rdwr, wronly_creat, rdwr_creat,`
154			`wronly_ssede, rdwr_ssede, dirent, dirent_creat`
155			`};`
156
157			`enum linux_seekmode {`
158			`absolute, relative`
159			`};`
160
161			`enum linux_mountops {`
162			`media_load, media_unload`
163			`};`
164
165			`/* This prom has a bolixed design. */`
166			`struct linux_bigint {`
167			`#ifdef __MIPSEL__`
168			`u32 lo;`
169			`s32 hi;`
170			`#else /* !(__MIPSEL__) */`
171			`s32 hi;`
172			`u32 lo;`
173			`#endif`
174			`};`
175
176			`struct linux_finfo {`
177			`struct linux_bigint begin;`
178			`struct linux_bigint end;`
179			`struct linux_bigint cur;`
180			`enum linux_devtypes dtype;`
181			`unsigned long namelen;`
182			`unsigned char attr;`
183			`char name[32]; /* XXX imperical, should be define */`
184			`};`
185
186			`/* This describes the vector containing function pointers to the ARC`
187			`firmware functions. */`
188			`struct linux_romvec {`
189			`LONG load; /* Load an executable image. */`
190			`LONG invoke; /* Invoke a standalong image. */`
191			`LONG exec; /* Load and begin execution of a`
192			`standalone image. */`
193			`LONG halt; /* Halt the machine. */`
194			`LONG pdown; /* Power down the machine. */`
195			`LONG restart; /* XXX soft reset??? */`
196			`LONG reboot; /* Reboot the machine. */`
197			`LONG imode; /* Enter PROM interactive mode. */`
198			`LONG _unused1; /* Was ReturnFromMain(). */`
199
200			`/* PROM device tree interface. */`
201			`LONG next_component;`
202			`LONG child_component;`
203			`LONG parent_component;`
204			`LONG component_data;`
205			`LONG child_add;`
206			`LONG comp_del;`
207			`LONG component_by_path;`
208
209			`/* Misc. stuff. */`
210			`LONG cfg_save;`
211			`LONG get_sysid;`
212
213			`/* Probing for memory. */`
214			`LONG get_mdesc;`
215			`LONG _unused2; /* was Signal() */`
216
217			`LONG get_tinfo;`
218			`LONG get_rtime;`
219
220			`/* File type operations. */`
221			`LONG get_vdirent;`
222			`LONG open;`
223			`LONG close;`
224			`LONG read;`
225			`LONG get_rstatus;`
226			`LONG write;`
227			`LONG seek;`
228			`LONG mount;`
229
230			`/* Dealing with firmware environment variables. */`
231			`LONG get_evar;`
232			`LONG set_evar;`
233
234			`LONG get_finfo;`
235			`LONG set_finfo;`
236
237			`/* Miscellaneous. */`
238			`LONG cache_flush;`
239			`};`
240
241			`/* The SGI ARCS parameter block is in a fixed location for standalone`
242			`* programs to access PROM facilities easily.`
243			`*/`
244			`typedef struct _SYSTEM_PARAMETER_BLOCK {`
245			`ULONG magic; /* magic cookie */`
246			`#define PROMBLOCK_MAGIC 0x53435241`
247
248			`ULONG len; /* length of parm block */`
249			`USHORT ver; /* ARCS firmware version */`
250			`USHORT rev; /* ARCS firmware revision */`
251			`_PLONG rs_block; /* Restart block. */`
252			`_PLONG dbg_block; /* Debug block. */`
253			`_PLONG gevect; /* XXX General vector??? */`
254			`_PLONG utlbvect; /* XXX UTLB vector??? */`
255			`ULONG rveclen; /* Size of romvec struct. */`
256			`_PVOID romvec; /* Function interface. */`
257			`ULONG pveclen; /* Length of private vector. */`
258			`_PVOID pvector; /* Private vector. */`
259			`ULONG adap_cnt; /* Adapter count. */`
260			`ULONG adap_typ0; /* First adapter type. */`
261			`ULONG adap_vcnt0; /* Adapter 0 vector count. */`
262			`_PVOID adap_vector; /* Adapter 0 vector ptr. */`
263			`ULONG adap_typ1; /* Second adapter type. */`
264			`ULONG adap_vcnt1; /* Adapter 1 vector count. */`
265			`_PVOID adap_vector1; /* Adapter 1 vector ptr. */`
266			`/* More adapter vectors go here... */`
267			`} SYSTEM_PARAMETER_BLOCK, *PSYSTEM_PARAMETER_BLOCK;`
268
269			`#define PROMBLOCK ((PSYSTEM_PARAMETER_BLOCK) (int)0xA0001000)`
270			`#define ROMVECTOR ((struct linux_romvec *) (long)(PROMBLOCK)->romvec)`
271
272			`/* Cache layout parameter block. */`
273			`union linux_cache_key {`
274			`struct param {`
275			`#ifdef __MIPSEL__`
276			`unsigned short size;`
277			`unsigned char lsize;`
278			`unsigned char bsize;`
279			`#else /* !(__MIPSEL__) */`
280			`unsigned char bsize;`
281			`unsigned char lsize;`
282			`unsigned short size;`
283			`#endif`
284			`} info;`
285			`unsigned long allinfo;`
286			`};`
287
288			`/* Configuration data. */`
289			`struct linux_cdata {`
290			`char *name;`
291			`int mlen;`
292			`enum linux_devtypes type;`
293			`};`
294
295			`/* Common SGI ARCS firmware file descriptors. */`
296			`#define SGIPROM_STDIN 0`
297			`#define SGIPROM_STDOUT 1`
298
299			`/* Common SGI ARCS firmware file types. */`
300			`#define SGIPROM_ROFILE 0x01 /* read-only file */`
301			`#define SGIPROM_HFILE 0x02 /* hidden file */`
302			`#define SGIPROM_SFILE 0x04 /* System file */`
303			`#define SGIPROM_AFILE 0x08 /* Archive file */`
304			`#define SGIPROM_DFILE 0x10 /* Directory file */`
305			`#define SGIPROM_DELFILE 0x20 /* Deleted file */`
306
307			`/* SGI ARCS boot record information. */`
308			`struct sgi_partition {`
309			`unsigned char flag;`
310			`#define SGIPART_UNUSED 0x00`
311			`#define SGIPART_ACTIVE 0x80`
312
313			`unsigned char shead, ssect, scyl; /* unused */`
314			`unsigned char systype; /* OS type, Irix or NT */`
315			`unsigned char ehead, esect, ecyl; /* unused */`
316			`unsigned char rsect0, rsect1, rsect2, rsect3;`
317			`unsigned char tsect0, tsect1, tsect2, tsect3;`
318			`};`
319
320			`#define SGIBBLOCK_MAGIC 0xaa55`
321			`#define SGIBBLOCK_MAXPART 0x0004`
322
323			`struct sgi_bootblock {`
324			`unsigned char _unused[446];`
325			`struct sgi_partition partitions[SGIBBLOCK_MAXPART];`
326			`unsigned short magic;`
327			`};`
328
329			`/* BIOS parameter block. */`
330			`struct sgi_bparm_block {`
331			`unsigned short bytes_sect; /* bytes per sector */`
332			`unsigned char sect_clust; /* sectors per cluster */`
333			`unsigned short sect_resv; /* reserved sectors */`
334			`unsigned char nfats; /* # of allocation tables */`
335			`unsigned short nroot_dirents; /* # of root directory entries */`
336			`unsigned short sect_volume; /* sectors in volume */`
337			`unsigned char media_type; /* media descriptor */`
338			`unsigned short sect_fat; /* sectors per allocation table */`
339			`unsigned short sect_track; /* sectors per track */`
340			`unsigned short nheads; /* # of heads */`
341			`unsigned short nhsects; /* # of hidden sectors */`
342			`};`
343
344			`struct sgi_bsector {`
345			`unsigned char jmpinfo[3];`
346			`unsigned char manuf_name[8];`
347			`struct sgi_bparm_block info;`
348			`};`
349
350			`/* Debugging block used with SGI symmon symbolic debugger. */`
351			`#define SMB_DEBUG_MAGIC 0xfeeddead`
352			`struct linux_smonblock {`
353			`unsigned long magic;`
354			`void (handler)(void); / Breakpoint routine. */`
355			`unsigned long dtable_base; /* Base addr of dbg table. */`
356			`int (printf)(const char fmt, ...);`
357			`unsigned long btable_base; /* Breakpoint table. */`
358			`unsigned long mpflushreqs; /* SMP cache flush request list. */`
359			`unsigned long ntab; /* Name table. */`
360			`unsigned long stab; /* Symbol table. */`
361			`int smax; /* Max # of symbols. */`
362			`};`
363
364			`/*`
365			`* Macros for calling a 32-bit ARC implementation from 64-bit code`
366			`*/`
367
368			`#if defined(CONFIG_MIPS64) && defined(CONFIG_ARC32)`
369
370			`#define __arc_clobbers \`
371			`"$2","$3" /* ... */, "$8","$9","$10","$11", \`
372			`"$12","$13","$14","$15","$16","$24","25","$31"`
373
374			`#define ARC_CALL0(dest) \`
375			`({ long __res; \`
376			`long __vec = (long) romvec->dest; \`
377			`__asm__ __volatile__( \`
378			`"dsubu\t$29, 32\n\t" \`
379			`"jalr\t%1\n\t" \`
380			`"daddu\t$29, 32\n\t" \`
381			`"move\t%0, $2" \`
382			`: "=r" (__res), "=r" (__vec) \`
383			`: "1" (__vec) \`
384			`: __arc_clobbers, "$4","$5","$6","$7"); \`
385			`(unsigned long) __res; \`
386			`})`
387
388			`#define ARC_CALL1(dest,a1) \`
389			`({ long __res; \`
390			`register signed int __a1 __asm__("$4") = (int) (long) (a1); \`
391			`long __vec = (long) romvec->dest; \`
392			`__asm__ __volatile__( \`
393			`"dsubu\t$29, 32\n\t" \`
394			`"jalr\t%1\n\t" \`
395			`"daddu\t$29, 32\n\t" \`
396			`"move\t%0, $2" \`
397			`: "=r" (__res), "=r" (__vec) \`
398			`: "1" (__vec), "r" (__a1) \`
399			`: __arc_clobbers, "$5","$6","$7"); \`
400			`(unsigned long) __res; \`
401			`})`
402
403			`#define ARC_CALL2(dest,a1,a2) \`
404			`({ long __res; \`
405			`register signed int __a1 __asm__("$4") = (int) (long) (a1); \`
406			`register signed int __a2 __asm__("$5") = (int) (long) (a2); \`
407			`long __vec = (long) romvec->dest; \`
408			`__asm__ __volatile__( \`
409			`"dsubu\t$29, 32\n\t" \`
410			`"jalr\t%1\n\t" \`
411			`"daddu\t$29, 32\n\t" \`
412			`"move\t%0, $2" \`
413			`: "=r" (__res), "=r" (__vec) \`
414			`: "1" (__vec), "r" (__a1), "r" (__a2) \`
415			`: __arc_clobbers, "$6","$7"); \`
416			`__res; \`
417			`})`
418
419			`#define ARC_CALL3(dest,a1,a2,a3) \`
420			`({ long __res; \`
421			`register signed int __a1 __asm__("$4") = (int) (long) (a1); \`
422			`register signed int __a2 __asm__("$5") = (int) (long) (a2); \`
423			`register signed int __a3 __asm__("$6") = (int) (long) (a3); \`
424			`long __vec = (long) romvec->dest; \`
425			`__asm__ __volatile__( \`
426			`"dsubu\t$29, 32\n\t" \`
427			`"jalr\t%1\n\t" \`
428			`"daddu\t$29, 32\n\t" \`
429			`"move\t%0, $2" \`
430			`: "=r" (__res), "=r" (__vec) \`
431			`: "1" (__vec), "r" (__a1), "r" (__a2), "r" (__a3) \`
432			`: __arc_clobbers, "$7"); \`
433			`__res; \`
434			`})`
435
436			`#define ARC_CALL4(dest,a1,a2,a3,a4) \`
437			`({ long __res; \`
438			`register signed int __a1 __asm__("$4") = (int) (long) (a1); \`
439			`register signed int __a2 __asm__("$5") = (int) (long) (a2); \`
440			`register signed int __a3 __asm__("$6") = (int) (long) (a3); \`
441			`register signed int __a4 __asm__("$7") = (int) (long) (a4); \`
442			`long __vec = (long) romvec->dest; \`
443			`__asm__ __volatile__( \`
444			`"dsubu\t$29, 32\n\t" \`
445			`"jalr\t%1\n\t" \`
446			`"daddu\t$29, 32\n\t" \`
447			`"move\t%0, $2" \`
448			`: "=r" (__res), "=r" (__vec) \`
449			`: "1" (__vec), "r" (__a1), "r" (__a2), "r" (__a3), \`
450			`"r" (__a4) \`
451			`: __arc_clobbers); \`
452			`__res; \`
453			`})`
454
455			`#define ARC_CALL5(dest,a1,a2,a3,a4,a5) \`
456			`({ long __res; \`
457			`register signed int __a1 __asm__("$4") = (int) (long) (a1); \`
458			`register signed int __a2 __asm__("$5") = (int) (long) (a2); \`
459			`register signed int __a3 __asm__("$6") = (int) (long) (a3); \`
460			`register signed int __a4 __asm__("$7") = (int) (long) (a4); \`
461			`register signed int __a5 = (a5); \`
462			`long __vec = (long) romvec->dest; \`
463			`__asm__ __volatile__( \`
464			`"dsubu\t$29, 32\n\t" \`
465			`"sw\t%6, 16($29)\n\t" \`
466			`"jalr\t%1\n\t" \`
467			`"daddu\t$29, 32\n\t" \`
468			`"move\t%0, $2" \`
469			`: "=r" (__res), "=r" (__vec) \`
470			`: "1" (__vec), \`
471			`"r" (__a1), "r" (__a2), "r" (__a3), "r" (__a4), \`
472			`"r" (__a5) \`
473			`: __arc_clobbers); \`
474			`__res; \`
475			`})`
476
477			`#endif /* defined(CONFIG_MIPS64) && defined(CONFIG_ARC32) */`
478
479			`#if (defined(CONFIG_MIPS32) && defined(CONFIG_ARC32)) \|\| \`
480			`(defined(CONFIG_MIPS64) && defined(CONFIG_ARC64))`
481
482			`#define ARC_CALL0(dest) \`
483			`({ long __res; \`
484			`long (__vec)(void) = (void ) romvec->dest; \`
485			`\`
486			`__res = __vec(); \`
487			`__res; \`
488			`})`
489
490			`#define ARC_CALL1(dest,a1) \`
491			`({ long __res; \`
492			`long __a1 = (long) (a1); \`
493			`long (__vec)(long) = (void ) romvec->dest; \`
494			`\`
495			`__res = __vec(__a1); \`
496			`__res; \`
497			`})`
498
499			`#define ARC_CALL2(dest,a1,a2) \`
500			`({ long __res; \`
501			`long __a1 = (long) (a1); \`
502			`long __a2 = (long) (a2); \`
503			`long (__vec)(long, long) = (void ) romvec->dest; \`
504			`\`
505			`__res = __vec(__a1, __a2); \`
506			`__res; \`
507			`})`
508
509			`#define ARC_CALL3(dest,a1,a2,a3) \`
510			`({ long __res; \`
511			`long __a1 = (long) (a1); \`
512			`long __a2 = (long) (a2); \`
513			`long __a3 = (long) (a3); \`
514			`long (__vec)(long, long, long) = (void ) romvec->dest; \`
515			`\`
516			`__res = __vec(__a1, __a2, __a3); \`
517			`__res; \`
518			`})`
519
520			`#define ARC_CALL4(dest,a1,a2,a3,a4) \`
521			`({ long __res; \`
522			`long __a1 = (long) (a1); \`
523			`long __a2 = (long) (a2); \`
524			`long __a3 = (long) (a3); \`
525			`long __a4 = (long) (a4); \`
526			`long (__vec)(long, long, long, long) = (void ) romvec->dest; \`
527			`\`
528			`__res = __vec(__a1, __a2, __a3, __a4); \`
529			`__res; \`
530			`})`
531
532			`#define ARC_CALL5(dest,a1,a2,a3,a4,a5) \`
533			`({ long __res; \`
534			`long __a1 = (long) (a1); \`
535			`long __a2 = (long) (a2); \`
536			`long __a3 = (long) (a3); \`
537			`long __a4 = (long) (a4); \`
538			`long __a5 = (long) (a5); \`
539			`long (*__vec)(long, long, long, long, long); \`
540			`__vec = (void *) romvec->dest; \`
541			`\`
542			`__res = __vec(__a1, __a2, __a3, __a4, __a5); \`
543			`__res; \`
544			`})`
545			`#endif /* both kernel and ARC either 32-bit or 64-bit */`
546
547			`#endif /* _ASM_SGIARCS_H */`