mirror of https://gitee.com/openkylin/linux.git
549 lines
16 KiB
C
549 lines
16 KiB
C
/*
|
|
* 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 <asm/types.h>
|
|
#include <asm/fw/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;
|
|
LONG TestUnicodeCharacter; /* ARC; not sure if ARCS too */
|
|
LONG GetDisplayStatus;
|
|
};
|
|
|
|
/* 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_64BIT) && 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 = (int) (long) (a5); \
|
|
long __vec = (long) romvec->dest; \
|
|
__asm__ __volatile__( \
|
|
"dsubu\t$29, 32\n\t" \
|
|
"sw\t%7, 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_64BIT) && defined(CONFIG_ARC32) */
|
|
|
|
#if (defined(CONFIG_32BIT) && defined(CONFIG_ARC32)) || \
|
|
(defined(CONFIG_64BIT) && 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 */
|