+++ /dev/null
-/*
- * 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 */
git.openpandora.org / pandora-kernel.git / blobdiff