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- /* $Id$
- *
- * 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.
- *
- * Derived from IRIX <sys/SN/gda.h>.
- *
- * Copyright (C) 1992 - 1997, 2000-2001 Silicon Graphics, Inc. All rights reserved.
- *
- * gda.h -- Contains the data structure for the global data area,
- * The GDA contains information communicated between the
- * PROM, SYMMON, and the kernel.
- */
- #ifndef _ASM_IA64_SN_GDA_H
- #define _ASM_IA64_SN_GDA_H
- #include <asm/sn/addrs.h>
- #include <asm/sn/sn_cpuid.h>
- #define GDA_MAGIC 0x58464552
- /*
- * GDA Version History
- *
- * Version # | Change
- * -------------+-------------------------------------------------------
- * 1 | Initial IP27 version
- * 2 | Prom sets g_partid field to the partition number. 0 IS
- * | a valid partition #.
- */
- #define GDA_VERSION 2 /* Current GDA version # */
- #define G_MAGICOFF 0
- #define G_VERSIONOFF 4
- #define G_PROMOPOFF 6
- #define G_MASTEROFF 8
- #define G_VDSOFF 12
- #define G_HKDNORMOFF 16
- #define G_HKDUTLBOFF 24
- #define G_HKDXUTLBOFF 32
- #define G_PARTIDOFF 40
- #define G_TABLEOFF 128
- #ifndef __ASSEMBLY__
- typedef struct gda {
- u32 g_magic; /* GDA magic number */
- u16 g_version; /* Version of this structure */
- u16 g_masterid; /* The NASID:CPUNUM of the master cpu */
- u32 g_promop; /* Passes requests from the kernel to prom */
- u32 g_vds; /* Store the virtual dipswitches here */
- void **g_hooked_norm;/* ptr to pda loc for norm hndlr */
- void **g_hooked_utlb;/* ptr to pda loc for utlb hndlr */
- void **g_hooked_xtlb;/* ptr to pda loc for xtlb hndlr */
- int g_partid; /* partition id */
- int g_symmax; /* Max symbols in name table. */
- void *g_dbstab; /* Address of idbg symbol table */
- char *g_nametab; /* Address of idbg name table */
- void *g_ktext_repmask;
- /* Pointer to a mask of nodes with copies
- * of the kernel. */
- char g_padding[56]; /* pad out to 128 bytes */
- nasid_t g_nasidtable[MAX_COMPACT_NODES+1]; /* NASID of each node,
- * indexed by cnodeid.
- */
- } gda_t;
- #define GDA ((gda_t*) GDA_ADDR(get_nasid()))
- #endif /* __ASSEMBLY__ */
- /*
- * Define: PART_GDA_VERSION
- * Purpose: Define the minimum version of the GDA required, lower
- * revisions assume GDA is NOT set up, and read partition
- * information from the board info.
- */
- #define PART_GDA_VERSION 2
- /*
- * The following requests can be sent to the PROM during startup.
- */
- #define PROMOP_MAGIC 0x0ead0000
- #define PROMOP_MAGIC_MASK 0x0fff0000
- #define PROMOP_BIST_SHIFT 11
- #define PROMOP_BIST_MASK (0x3 << 11)
- #define PROMOP_REG PI_ERR_STACK_ADDR_A
- #define PROMOP_INVALID (PROMOP_MAGIC | 0x00)
- #define PROMOP_HALT (PROMOP_MAGIC | 0x10)
- #define PROMOP_POWERDOWN (PROMOP_MAGIC | 0x20)
- #define PROMOP_RESTART (PROMOP_MAGIC | 0x30)
- #define PROMOP_REBOOT (PROMOP_MAGIC | 0x40)
- #define PROMOP_IMODE (PROMOP_MAGIC | 0x50)
- #define PROMOP_CMD_MASK 0x00f0
- #define PROMOP_OPTIONS_MASK 0xfff0
- #define PROMOP_SKIP_DIAGS 0x0100 /* don't bother running diags */
- #define PROMOP_SKIP_MEMINIT 0x0200 /* don't bother initing memory */
- #define PROMOP_SKIP_DEVINIT 0x0400 /* don't bother initing devices */
- #define PROMOP_BIST1 0x0800 /* keep track of which BIST ran */
- #define PROMOP_BIST2 0x1000 /* keep track of which BIST ran */
- #endif /* _ASM_IA64_SN_GDA_H */
