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