|
@@ -241,3 +241,196 @@ struct linux_romvec {
|
|
|
|
|
|
/* The SGI ARCS parameter block is in a fixed location for standalone
|
|
/* The SGI ARCS parameter block is in a fixed location for standalone
|
|
* programs to access PROM facilities easily.
|
|
* 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; \
|
|
|
|
+})
|
|
|
|
+
|