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Viewing changes to arch/mips/include/asm/sn/kldir.h

  • Committer: Package Import Robot
  • Author(s): Alessio Igor Bogani
  • Date: 2011-10-26 11:13:05 UTC
  • Revision ID: package-import@ubuntu.com-20111026111305-tz023xykf0i6eosh
Tags: upstream-3.2.0
Import upstream version 3.2.0

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arch/mips/include/asm/sn/kldir.h
 
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/*
 
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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/kldir.h>, revision 1.21.
 
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 *
 
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 * Copyright (C) 1992 - 1997, 1999, 2000 Silicon Graphics, Inc.
 
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 * Copyright (C) 1999, 2000 by Ralf Baechle
 
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 */
 
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#ifndef _ASM_SN_KLDIR_H
 
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#define _ASM_SN_KLDIR_H
 
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14
 
 
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/*
 
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 * The kldir memory area resides at a fixed place in each node's memory and
 
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 * provides pointers to most other IP27 memory areas.  This allows us to
 
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 * resize and/or relocate memory areas at a later time without breaking all
 
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 * firmware and kernels that use them.  Indices in the array are
 
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 * permanently dedicated to areas listed below.  Some memory areas (marked
 
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 * below) reside at a permanently fixed location, but are included in the
 
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 * directory for completeness.
 
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 */
 
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#define KLDIR_MAGIC             0x434d5f53505f5357
 
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/*
 
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 * The upper portion of the memory map applies during boot
 
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 * only and is overwritten by IRIX/SYMMON.
 
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 *
 
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 *                                    MEMORY MAP PER NODE
 
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 *
 
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 * 0x2000000 (32M)         +-----------------------------------------+
 
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 *                         |      IO6 BUFFERS FOR FLASH ENET IOC3    |
 
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 * 0x1F80000 (31.5M)       +-----------------------------------------+
 
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 *                         |      IO6 TEXT/DATA/BSS/stack            |
 
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 * 0x1C00000 (30M)         +-----------------------------------------+
 
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 *                         |      IO6 PROM DEBUG TEXT/DATA/BSS/stack |
 
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 * 0x0800000 (28M)         +-----------------------------------------+
 
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 *                         |      IP27 PROM TEXT/DATA/BSS/stack      |
 
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 * 0x1B00000 (27M)         +-----------------------------------------+
 
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 *                         |      IP27 CFG                           |
 
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 * 0x1A00000 (26M)         +-----------------------------------------+
 
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 *                         |      Graphics PROM                      |
 
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 * 0x1800000 (24M)         +-----------------------------------------+
 
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 *                         |      3rd Party PROM drivers             |
 
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 * 0x1600000 (22M)         +-----------------------------------------+
 
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 *                         |                                         |
 
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 *                         |      Free                               |
 
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 *                         |                                         |
 
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 *                         +-----------------------------------------+
 
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 *                         |      UNIX DEBUG Version                 |
 
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 * 0x190000 (2M--)         +-----------------------------------------+
 
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 *                         |      SYMMON                             |
 
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 *                         |      (For UNIX Debug only)              |
 
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 * 0x34000 (208K)          +-----------------------------------------+
 
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 *                         |      SYMMON STACK [NUM_CPU_PER_NODE]    |
 
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 *                         |      (For UNIX Debug only)              |
 
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 * 0x25000 (148K)          +-----------------------------------------+
 
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 *                         |      KLCONFIG - II (temp)               |
 
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 *                         |                                         |
 
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 *                         |    ----------------------------         |
 
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 *                         |                                         |
 
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 *                         |      UNIX NON-DEBUG Version             |
 
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 * 0x19000 (100K)          +-----------------------------------------+
 
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 *
 
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 *
 
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 * The lower portion of the memory map contains information that is
 
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 * permanent and is used by the IP27PROM, IO6PROM and IRIX.
 
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 *
 
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 * 0x19000 (100K)          +-----------------------------------------+
 
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 *                         |                                         |
 
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 *                         |      PI Error Spools (32K)              |
 
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 *                         |                                         |
 
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 * 0x12000 (72K)           +-----------------------------------------+
 
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 *                         |      Unused                             |
 
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 * 0x11c00 (71K)           +-----------------------------------------+
 
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 *                         |      CPU 1 NMI Eframe area              |
 
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 * 0x11a00 (70.5K)         +-----------------------------------------+
 
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 *                         |      CPU 0 NMI Eframe area              |
 
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 * 0x11800 (70K)           +-----------------------------------------+
 
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 *                         |      CPU 1 NMI Register save area       |
 
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 * 0x11600 (69.5K)         +-----------------------------------------+
 
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 *                         |      CPU 0 NMI Register save area       |
 
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 * 0x11400 (69K)           +-----------------------------------------+
 
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 *                         |      GDA (1k)                           |
 
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 * 0x11000 (68K)           +-----------------------------------------+
 
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 *                         |      Early cache Exception stack        |
 
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 *                         |             and/or                      |
 
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 *                         |      kernel/io6prom nmi registers       |
 
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 * 0x10800  (66k)          +-----------------------------------------+
 
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 *                         |      cache error eframe                 |
 
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 * 0x10400 (65K)           +-----------------------------------------+
 
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 *                         |      Exception Handlers (UALIAS copy)   |
 
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 * 0x10000 (64K)           +-----------------------------------------+
 
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 *                         |                                         |
 
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 *                         |                                         |
 
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 *                         |      KLCONFIG - I (permanent) (48K)     |
 
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 *                         |                                         |
 
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 *                         |                                         |
 
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 *                         |                                         |
 
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 * 0x4000 (16K)            +-----------------------------------------+
 
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 *                         |      NMI Handler (Protected Page)       |
 
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 * 0x3000 (12K)            +-----------------------------------------+
 
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 *                         |      ARCS PVECTORS (master node only)   |
 
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 * 0x2c00 (11K)            +-----------------------------------------+
 
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 *                         |      ARCS TVECTORS (master node only)   |
 
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 * 0x2800 (10K)            +-----------------------------------------+
 
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 *                         |      LAUNCH [NUM_CPU]                   |
 
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 * 0x2400 (9K)             +-----------------------------------------+
 
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 *                         |      Low memory directory (KLDIR)       |
 
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 * 0x2000 (8K)             +-----------------------------------------+
 
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 *                         |      ARCS SPB (1K)                      |
 
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 * 0x1000 (4K)             +-----------------------------------------+
 
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 *                         |      Early cache Exception stack        |
 
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 *                         |             and/or                      |
 
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 *                         |      kernel/io6prom nmi registers       |
 
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 * 0x800  (2k)             +-----------------------------------------+
 
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 *                         |      cache error eframe                 |
 
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 * 0x400 (1K)              +-----------------------------------------+
 
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 *                         |      Exception Handlers                 |
 
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 * 0x0   (0K)              +-----------------------------------------+
 
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 */
 
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#ifdef __ASSEMBLY__
 
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#define KLDIR_OFF_MAGIC                 0x00
 
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#define KLDIR_OFF_OFFSET                0x08
 
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#define KLDIR_OFF_POINTER               0x10
 
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#define KLDIR_OFF_SIZE                  0x18
 
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#define KLDIR_OFF_COUNT                 0x20
 
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#define KLDIR_OFF_STRIDE                0x28
 
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#endif /* __ASSEMBLY__ */
 
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/*
 
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 * This is defined here because IP27_SYMMON_STK_SIZE must be at least what
 
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 * we define here.  Since it's set up in the prom.  We can't redefine it later
 
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 * and expect more space to be allocated.  The way to find out the true size
 
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 * of the symmon stacks is to divide SYMMON_STK_SIZE by SYMMON_STK_STRIDE
 
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 * for a particular node.
 
140
 */
 
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#define SYMMON_STACK_SIZE               0x8000
 
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#if defined(PROM)
 
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/*
 
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 * These defines are prom version dependent.  No code other than the IP27
 
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 * prom should attempt to use these values.
 
148
 */
 
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#define IP27_LAUNCH_OFFSET              0x2400
 
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#define IP27_LAUNCH_SIZE                0x400
 
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#define IP27_LAUNCH_COUNT               2
 
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#define IP27_LAUNCH_STRIDE              0x200
 
153
 
 
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#define IP27_KLCONFIG_OFFSET            0x4000
 
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#define IP27_KLCONFIG_SIZE              0xc000
 
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#define IP27_KLCONFIG_COUNT             1
 
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#define IP27_KLCONFIG_STRIDE            0
 
158
 
 
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#define IP27_NMI_OFFSET                 0x3000
 
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#define IP27_NMI_SIZE                   0x40
 
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#define IP27_NMI_COUNT                  2
 
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#define IP27_NMI_STRIDE                 0x40
 
163
 
 
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#define IP27_PI_ERROR_OFFSET            0x12000
 
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#define IP27_PI_ERROR_SIZE              0x4000
 
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#define IP27_PI_ERROR_COUNT             1
 
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#define IP27_PI_ERROR_STRIDE            0
 
168
 
 
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#define IP27_SYMMON_STK_OFFSET          0x25000
 
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#define IP27_SYMMON_STK_SIZE            0xe000
 
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#define IP27_SYMMON_STK_COUNT           2
 
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/* IP27_SYMMON_STK_STRIDE must be >= SYMMON_STACK_SIZE */
 
173
#define IP27_SYMMON_STK_STRIDE          0x7000
 
174
 
 
175
#define IP27_FREEMEM_OFFSET             0x19000
 
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#define IP27_FREEMEM_SIZE               -1
 
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#define IP27_FREEMEM_COUNT              1
 
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#define IP27_FREEMEM_STRIDE             0
 
179
 
 
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#endif /* PROM */
 
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/*
 
182
 * There will be only one of these in a partition so the IO6 must set it up.
 
183
 */
 
184
#define IO6_GDA_OFFSET                  0x11000
 
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#define IO6_GDA_SIZE                    0x400
 
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#define IO6_GDA_COUNT                   1
 
187
#define IO6_GDA_STRIDE                  0
 
188
 
 
189
/*
 
190
 * save area of kernel nmi regs in the prom format
 
191
 */
 
192
#define IP27_NMI_KREGS_OFFSET           0x11400
 
193
#define IP27_NMI_KREGS_CPU_SIZE         0x200
 
194
/*
 
195
 * save area of kernel nmi regs in eframe format
 
196
 */
 
197
#define IP27_NMI_EFRAME_OFFSET          0x11800
 
198
#define IP27_NMI_EFRAME_SIZE            0x200
 
199
 
 
200
#define KLDIR_ENT_SIZE                  0x40
 
201
#define KLDIR_MAX_ENTRIES               (0x400 / 0x40)
 
202
 
 
203
#ifndef __ASSEMBLY__
 
204
typedef struct kldir_ent_s {
 
205
        u64             magic;          /* Indicates validity of entry      */
 
206
        off_t           offset;         /* Offset from start of node space  */
 
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        unsigned long   pointer;        /* Pointer to area in some cases    */
 
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        size_t          size;           /* Size in bytes                    */
 
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        u64             count;          /* Repeat count if array, 1 if not  */
 
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        size_t          stride;         /* Stride if array, 0 if not        */
 
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        char            rsvd[16];       /* Pad entry to 0x40 bytes          */
 
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        /* NOTE: These 16 bytes are used in the Partition KLDIR
 
213
           entry to store partition info. Refer to klpart.h for this. */
 
214
} kldir_ent_t;
 
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#endif /* !__ASSEMBLY__ */
 
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217
#endif /* _ASM_SN_KLDIR_H */