/* * 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 */Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 233 | 94.33% | 2 | 40.00% |
| Ralf Bächle | 14 | 5.67% | 3 | 60.00% |
| Total | 247 | 100.00% | 5 | 100.00% |