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105 lines
3.1 KiB
105 lines
3.1 KiB
/* |
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* This file is subject to the terms and conditions of the GNU General Public |
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* License. See the file "COPYING" in the main directory of this archive |
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* for more details. |
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* |
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* Derived from IRIX <sys/SN/gda.h>. |
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* |
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* Copyright (C) 1992 - 1997, 2000 Silicon Graphics, Inc. |
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* |
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* gda.h -- Contains the data structure for the global data area, |
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* The GDA contains information communicated between the |
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* PROM, SYMMON, and the kernel. |
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*/ |
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#ifndef _ASM_SN_GDA_H |
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#define _ASM_SN_GDA_H |
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#include <asm/sn/addrs.h> |
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#define GDA_MAGIC 0x58464552 |
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/* |
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* GDA Version History |
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* |
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* Version # | Change |
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* -------------+------------------------------------------------------- |
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* 1 | Initial SN0 version |
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* 2 | Prom sets g_partid field to the partition number. 0 IS |
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* | a valid partition #. |
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*/ |
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#define GDA_VERSION 2 /* Current GDA version # */ |
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#define G_MAGICOFF 0 |
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#define G_VERSIONOFF 4 |
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#define G_PROMOPOFF 6 |
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#define G_MASTEROFF 8 |
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#define G_VDSOFF 12 |
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#define G_HKDNORMOFF 16 |
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#define G_HKDUTLBOFF 24 |
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#define G_HKDXUTLBOFF 32 |
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#define G_PARTIDOFF 40 |
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#define G_TABLEOFF 128 |
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#ifndef __ASSEMBLY__ |
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typedef struct gda { |
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u32 g_magic; /* GDA magic number */ |
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u16 g_version; /* Version of this structure */ |
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u16 g_masterid; /* The NASID:CPUNUM of the master cpu */ |
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u32 g_promop; /* Passes requests from the kernel to prom */ |
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u32 g_vds; /* Store the virtual dipswitches here */ |
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void **g_hooked_norm;/* ptr to pda loc for norm hndlr */ |
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void **g_hooked_utlb;/* ptr to pda loc for utlb hndlr */ |
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void **g_hooked_xtlb;/* ptr to pda loc for xtlb hndlr */ |
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int g_partid; /* partition id */ |
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int g_symmax; /* Max symbols in name table. */ |
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void *g_dbstab; /* Address of idbg symbol table */ |
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char *g_nametab; /* Address of idbg name table */ |
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void *g_ktext_repmask; |
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/* Pointer to a mask of nodes with copies |
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* of the kernel. */ |
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char g_padding[56]; /* pad out to 128 bytes */ |
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nasid_t g_nasidtable[MAX_NUMNODES]; /* NASID of each node */ |
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} gda_t; |
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#define GDA ((gda_t*) GDA_ADDR(get_nasid())) |
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#endif /* !__ASSEMBLY__ */ |
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/* |
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* Define: PART_GDA_VERSION |
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* Purpose: Define the minimum version of the GDA required, lower |
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* revisions assume GDA is NOT set up, and read partition |
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* information from the board info. |
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*/ |
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#define PART_GDA_VERSION 2 |
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/* |
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* The following requests can be sent to the PROM during startup. |
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*/ |
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#define PROMOP_MAGIC 0x0ead0000 |
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#define PROMOP_MAGIC_MASK 0x0fff0000 |
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#define PROMOP_BIST_SHIFT 11 |
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#define PROMOP_BIST_MASK (0x3 << 11) |
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#define PROMOP_REG PI_ERR_STACK_ADDR_A |
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#define PROMOP_INVALID (PROMOP_MAGIC | 0x00) |
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#define PROMOP_HALT (PROMOP_MAGIC | 0x10) |
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#define PROMOP_POWERDOWN (PROMOP_MAGIC | 0x20) |
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#define PROMOP_RESTART (PROMOP_MAGIC | 0x30) |
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#define PROMOP_REBOOT (PROMOP_MAGIC | 0x40) |
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#define PROMOP_IMODE (PROMOP_MAGIC | 0x50) |
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#define PROMOP_CMD_MASK 0x00f0 |
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#define PROMOP_OPTIONS_MASK 0xfff0 |
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#define PROMOP_SKIP_DIAGS 0x0100 /* don't bother running diags */ |
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#define PROMOP_SKIP_MEMINIT 0x0200 /* don't bother initing memory */ |
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#define PROMOP_SKIP_DEVINIT 0x0400 /* don't bother initing devices */ |
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#define PROMOP_BIST1 0x0800 /* keep track of which BIST ran */ |
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#define PROMOP_BIST2 0x1000 /* keep track of which BIST ran */ |
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#endif /* _ASM_SN_GDA_H */
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