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/* * 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 (davem@davemloft.net) * 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 empirical, 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 empirical, 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_FW_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_FW_ARC32) / #if (defined(CONFIG_32BIT) && defined(CONFIG_FW_ARC32)) \|\| \ (defined(CONFIG_64BIT) && defined(CONFIG_FW_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 */

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