ia64/linux-2.6.18-xen.hg

view arch/mips/arc/tree.c @ 452:c7ed6fe5dca0

kexec: dont initialise regions in reserve_memory()

There is no need to initialise efi_memmap_res and boot_param_res in
reserve_memory() for the initial xen domain as it is done in
machine_kexec_setup_resources() using values from the kexec hypercall.

Signed-off-by: Simon Horman <horms@verge.net.au>
author Keir Fraser <keir.fraser@citrix.com>
date Thu Feb 28 10:55:18 2008 +0000 (2008-02-28)
parents 831230e53067
children
line source
1 /*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * PROM component device tree code.
7 *
8 * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
9 * Copyright (C) 1999 Ralf Baechle (ralf@gnu.org)
10 * Copyright (C) 1999 Silicon Graphics, Inc.
11 */
12 #include <linux/init.h>
13 #include <asm/arc/types.h>
14 #include <asm/sgialib.h>
16 #undef DEBUG_PROM_TREE
18 pcomponent * __init
19 ArcGetPeer(pcomponent *Current)
20 {
21 if (Current == PROM_NULL_COMPONENT)
22 return PROM_NULL_COMPONENT;
24 return (pcomponent *) ARC_CALL1(next_component, Current);
25 }
27 pcomponent * __init
28 ArcGetChild(pcomponent *Current)
29 {
30 return (pcomponent *) ARC_CALL1(child_component, Current);
31 }
33 pcomponent * __init
34 ArcGetParent(pcomponent *Current)
35 {
36 if (Current == PROM_NULL_COMPONENT)
37 return PROM_NULL_COMPONENT;
39 return (pcomponent *) ARC_CALL1(parent_component, Current);
40 }
42 LONG __init
43 ArcGetConfigurationData(VOID *Buffer, pcomponent *Current)
44 {
45 return ARC_CALL2(component_data, Buffer, Current);
46 }
48 pcomponent * __init
49 ArcAddChild(pcomponent *Current, pcomponent *Template, VOID *ConfigurationData)
50 {
51 return (pcomponent *)
52 ARC_CALL3(child_add, Current, Template, ConfigurationData);
53 }
55 LONG __init
56 ArcDeleteComponent(pcomponent *ComponentToDelete)
57 {
58 return ARC_CALL1(comp_del, ComponentToDelete);
59 }
61 pcomponent * __init
62 ArcGetComponent(CHAR *Path)
63 {
64 return (pcomponent *)ARC_CALL1(component_by_path, Path);
65 }
67 #ifdef DEBUG_PROM_TREE
69 static char *classes[] = {
70 "system", "processor", "cache", "adapter", "controller", "peripheral",
71 "memory"
72 };
74 static char *types[] = {
75 "arc", "cpu", "fpu", "picache", "pdcache", "sicache", "sdcache",
76 "sccache", "memdev", "eisa adapter", "tc adapter", "scsi adapter",
77 "dti adapter", "multi-func adapter", "disk controller",
78 "tp controller", "cdrom controller", "worm controller",
79 "serial controller", "net controller", "display controller",
80 "parallel controller", "pointer controller", "keyboard controller",
81 "audio controller", "misc controller", "disk peripheral",
82 "floppy peripheral", "tp peripheral", "modem peripheral",
83 "monitor peripheral", "printer peripheral", "pointer peripheral",
84 "keyboard peripheral", "terminal peripheral", "line peripheral",
85 "net peripheral", "misc peripheral", "anonymous"
86 };
88 static char *iflags[] = {
89 "bogus", "read only", "removable", "console in", "console out",
90 "input", "output"
91 };
93 static void __init
94 dump_component(pcomponent *p)
95 {
96 prom_printf("[%p]:class<%s>type<%s>flags<%s>ver<%d>rev<%d>",
97 p, classes[p->class], types[p->type],
98 iflags[p->iflags], p->vers, p->rev);
99 prom_printf("key<%08lx>\n\tamask<%08lx>cdsize<%d>ilen<%d>iname<%s>\n",
100 p->key, p->amask, (int)p->cdsize, (int)p->ilen, p->iname);
101 }
103 static void __init
104 traverse(pcomponent *p, int op)
105 {
106 dump_component(p);
107 if(ArcGetChild(p))
108 traverse(ArcGetChild(p), 1);
109 if(ArcGetPeer(p) && op)
110 traverse(ArcGetPeer(p), 1);
111 }
113 void __init
114 prom_testtree(void)
115 {
116 pcomponent *p;
118 p = ArcGetChild(PROM_NULL_COMPONENT);
119 dump_component(p);
120 p = ArcGetChild(p);
121 while(p) {
122 dump_component(p);
123 p = ArcGetPeer(p);
124 }
125 }
127 #endif /* DEBUG_PROM_TREE */