patch-2.4.19 linux-2.4.19/include/asm-ia64/sn/kldir.h
Next file: linux-2.4.19/include/asm-ia64/sn/ksys/elsc.h
Previous file: linux-2.4.19/include/asm-ia64/sn/klconfig.h
Back to the patch index
Back to the overall index
- Lines: 272
- Date:
Fri Aug 2 17:39:45 2002
- Orig file:
linux-2.4.18/include/asm-ia64/sn/kldir.h
- Orig date:
Thu Apr 5 12:51:47 2001
diff -urN linux-2.4.18/include/asm-ia64/sn/kldir.h linux-2.4.19/include/asm-ia64/sn/kldir.h
@@ -1,18 +1,16 @@
-/* $Id$
- *
+/*
* 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.
*
* Derived from IRIX <sys/SN/kldir.h>, revision 1.21.
*
- * Copyright (C) 1992 - 1997, 1999 Silicon Graphics, Inc.
+ * Copyright (C) 1992-1997,1999,2001-2002 Silicon Graphics, Inc. All Rights Reserved.
* Copyright (C) 1999 by Ralf Baechle
*/
-#ifndef _ASM_SN_KLDIR_H
-#define _ASM_SN_KLDIR_H
+#ifndef _ASM_IA64_SN_KLDIR_H
+#define _ASM_IA64_SN_KLDIR_H
-#include <linux/config.h>
#include <asm/sn/sgi.h>
/*
@@ -125,16 +123,16 @@
* 0x0 (0K) +-----------------------------------------+
*/
-#ifdef LANGUAGE_ASSEMBLY
+#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 /* LANGUAGE_ASSEMBLY */
+#endif /* __ASSEMBLY__ */
-#ifdef _LANGUAGE_C
+#ifndef __ASSEMBLY__
typedef struct kldir_ent_s {
u64 magic; /* Indicates validity of entry */
off_t offset; /* Offset from start of node space */
@@ -146,19 +144,220 @@
/* 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 /* _LANGUAGE_C */
+#endif /* __ASSEMBLY__ */
#define KLDIR_ENT_SIZE 0x40
#define KLDIR_MAX_ENTRIES (0x400 / 0x40)
+
+
/*
- * The actual offsets of each memory area are machine-dependent
+ * 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)
*/
-#if defined(CONFIG_SGI_IP35) || defined(CONFIG_IA64_SGI_SN1) || defined(CONFIG_IA64_GENERIC)
-#include <asm/sn/sn1/kldir.h>
-#else
-#error "kldir.h is currently defined for IP27 and IP35 platforms only"
-#endif
-#endif /* _ASM_SN_KLDIR_H */
+
+/*
+ * 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_IA64_SN_KLDIR_H */
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)