/* $Id$ * * 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. * * Copyright (C) 1992 - 1997, 2000 Silicon Graphics, Inc. * Copyright (C) 2000 by Colin Ngam */ #ifndef _ASM_SN_SN1_KLDIR_H #define _ASM_SN_SN1_KLDIR_H /* * The upper portion of the memory map applies during boot * only and is overwritten by IRIX/SYMMON. The minimum memory bank * size on IP35 is 64M, which provides a limit on the amount of space * the PROM can assume it has available. * * Most of the addresses below are defined as macros in this file, or * in SN/addrs.h or SN/SN1/addrs.h. * * MEMORY MAP PER NODE * * 0x4000000 (64M) +-----------------------------------------+ * | | * | | * | IO7 TEXT/DATA/BSS/stack | * 0x3000000 (48M) +-----------------------------------------+ * | Free | * 0x2102000 (>33M) +-----------------------------------------+ * | IP35 Topology (PCFG) + misc data | * 0x2000000 (32M) +-----------------------------------------+ * | IO7 BUFFERS FOR FLASH ENET IOC3 | * 0x1F80000 (31.5M) +-----------------------------------------+ * | Free | * 0x1C00000 (28M) +-----------------------------------------+ * | IP35 PROM TEXT/DATA/BSS/stack | * 0x1A00000 (26M) +-----------------------------------------+ * | Routing temp. space | * 0x1800000 (24M) +-----------------------------------------+ * | Diagnostics temp. space | * 0x1500000 (21M) +-----------------------------------------+ * | Free | * 0x1400000 (20M) +-----------------------------------------+ * | IO7 PROM temporary copy | * 0x1300000 (19M) +-----------------------------------------+ * | | * | Free | * | (UNIX DATA starts above 0x1000000) | * | | * +-----------------------------------------+ * | UNIX DEBUG Version | * 0x0310000 (3.1M) +-----------------------------------------+ * | SYMMON, loaded just below UNIX | * | (For UNIX Debug only) | * | | * | | * 0x006C000 (432K) +-----------------------------------------+ * | SYMMON STACK [NUM_CPU_PER_NODE] | * | (For UNIX Debug only) | * 0x004C000 (304K) +-----------------------------------------+ * | | * | | * | UNIX NON-DEBUG Version | * 0x0040000 (256K) +-----------------------------------------+ * * * The lower portion of the memory map contains information that is * permanent and is used by the IP35PROM, IO7PROM and IRIX. * * 0x40000 (256K) +-----------------------------------------+ * | | * | KLCONFIG (64K) | * | | * 0x30000 (192K) +-----------------------------------------+ * | | * | PI Error Spools (64K) | * | | * 0x20000 (128K) +-----------------------------------------+ * | | * | Unused | * | | * 0x19000 (100K) +-----------------------------------------+ * | Early cache Exception stack (CPU 3)| * 0x18800 (98K) +-----------------------------------------+ * | cache error eframe (CPU 3) | * 0x18400 (97K) +-----------------------------------------+ * | Exception Handlers (CPU 3) | * 0x18000 (96K) +-----------------------------------------+ * | | * | Unused | * | | * 0x13c00 (79K) +-----------------------------------------+ * | GPDA (8k) | * 0x11c00 (71K) +-----------------------------------------+ * | Early cache Exception stack (CPU 2)| * 0x10800 (66k) +-----------------------------------------+ * | cache error eframe (CPU 2) | * 0x10400 (65K) +-----------------------------------------+ * | Exception Handlers (CPU 2) | * 0x10000 (64K) +-----------------------------------------+ * | | * | Unused | * | | * 0x0b400 (45K) +-----------------------------------------+ * | GDA (1k) | * 0x0b000 (44K) +-----------------------------------------+ * | NMI Eframe areas (4) | * 0x0a000 (40K) +-----------------------------------------+ * | NMI Register save areas (4) | * 0x09000 (36K) +-----------------------------------------+ * | Early cache Exception stack (CPU 1)| * 0x08800 (34K) +-----------------------------------------+ * | cache error eframe (CPU 1) | * 0x08400 (33K) +-----------------------------------------+ * | Exception Handlers (CPU 1) | * 0x08000 (32K) +-----------------------------------------+ * | | * | | * | Unused | * | | * | | * 0x04000 (16K) +-----------------------------------------+ * | NMI Handler (Protected Page) | * 0x03000 (12K) +-----------------------------------------+ * | ARCS PVECTORS (master node only) | * 0x02c00 (11K) +-----------------------------------------+ * | ARCS TVECTORS (master node only) | * 0x02800 (10K) +-----------------------------------------+ * | LAUNCH [NUM_CPU] | * 0x02400 (9K) +-----------------------------------------+ * | Low memory directory (KLDIR) | * 0x02000 (8K) +-----------------------------------------+ * | ARCS SPB (1K) | * 0x01000 (4K) +-----------------------------------------+ * | Early cache Exception stack (CPU 0)| * 0x00800 (2k) +-----------------------------------------+ * | cache error eframe (CPU 0) | * 0x00400 (1K) +-----------------------------------------+ * | Exception Handlers (CPU 0) | * 0x00000 (0K) +-----------------------------------------+ */ /* * NOTE: To change the kernel load address, you must update: * - the appropriate elspec files in irix/kern/master.d * - NODEBUGUNIX_ADDR in SN/SN1/addrs.h * - IP27_FREEMEM_OFFSET below * - KERNEL_START_OFFSET below (if supporting cells) */ /* * 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) || defined (SABLE) /* * These defines are prom version dependent. No code other than the IP35 * prom should attempt to use these values. */ #define IP27_LAUNCH_OFFSET 0x2400 #define IP27_LAUNCH_SIZE 0x400 #define IP27_LAUNCH_COUNT 4 #define IP27_LAUNCH_STRIDE 0x100 /* could be as small as 0x80 */ #define IP27_KLCONFIG_OFFSET 0x30000 #define IP27_KLCONFIG_SIZE 0x10000 #define IP27_KLCONFIG_COUNT 1 #define IP27_KLCONFIG_STRIDE 0 #define IP27_NMI_OFFSET 0x3000 #define IP27_NMI_SIZE 0x100 #define IP27_NMI_COUNT 4 #define IP27_NMI_STRIDE 0x40 #define IP27_PI_ERROR_OFFSET 0x20000 #define IP27_PI_ERROR_SIZE 0x10000 #define IP27_PI_ERROR_COUNT 1 #define IP27_PI_ERROR_STRIDE 0 #define IP27_SYMMON_STK_OFFSET 0x4c000 #define IP27_SYMMON_STK_SIZE 0x20000 #define IP27_SYMMON_STK_COUNT 4 /* IP27_SYMMON_STK_STRIDE must be >= SYMMON_STACK_SIZE */ #define IP27_SYMMON_STK_STRIDE 0x8000 #define IP27_FREEMEM_OFFSET 0x40000 #define IP27_FREEMEM_SIZE -1 #define IP27_FREEMEM_COUNT 1 #define IP27_FREEMEM_STRIDE 0 #endif /* PROM || SABLE*/ /* * There will be only one of these in a partition so the IO7 must set it up. */ #define IO6_GDA_OFFSET 0xb000 #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 0x9000 #define IP27_NMI_KREGS_CPU_SIZE 0x400 /* * save area of kernel nmi regs in eframe format */ #define IP27_NMI_EFRAME_OFFSET 0xa000 #define IP27_NMI_EFRAME_SIZE 0x400 #define GPDA_OFFSET 0x11c00 #endif /* _ASM_SN_SN1_KLDIR_H */