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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 | /* * 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 Silicon Graphics, Inc. * * 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_SN_GDA_H #define _ASM_SN_GDA_H #include <asm/sn/addrs.h> #define GDA_MAGIC 0x58464552 /* * GDA Version History * * Version # | Change * -------------+------------------------------------------------------- * 1 | Initial SN0 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]; /* 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_SN_GDA_H */ |