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-rw-r--r--arch/ppc/boot/openfirmware/common.c146
1 files changed, 0 insertions, 146 deletions
diff --git a/arch/ppc/boot/openfirmware/common.c b/arch/ppc/boot/openfirmware/common.c
deleted file mode 100644
index 0f46756a903e..000000000000
--- a/arch/ppc/boot/openfirmware/common.c
+++ /dev/null
@@ -1,146 +0,0 @@
1/*
2 * Copyright (C) Paul Mackerras 1997.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version
7 * 2 of the License, or (at your option) any later version.
8 */
9
10#include "nonstdio.h"
11#include "of1275.h"
12#include <linux/string.h>
13#include <linux/zlib.h>
14#include <asm/bootinfo.h>
15#include <asm/page.h>
16
17/* Information from the linker */
18
19extern int strcmp(const char *s1, const char *s2);
20extern char *avail_ram, *avail_high;
21extern char *end_avail;
22
23unsigned int heap_use, heap_max;
24
25struct memchunk {
26 unsigned int size;
27 struct memchunk *next;
28};
29
30static struct memchunk *freechunks;
31
32static void *zalloc(unsigned size)
33{
34 void *p;
35 struct memchunk **mpp, *mp;
36
37 size = (size + 7) & -8;
38 heap_use += size;
39 if (heap_use > heap_max)
40 heap_max = heap_use;
41 for (mpp = &freechunks; (mp = *mpp) != 0; mpp = &mp->next) {
42 if (mp->size == size) {
43 *mpp = mp->next;
44 return mp;
45 }
46 }
47 p = avail_ram;
48 avail_ram += size;
49 if (avail_ram > avail_high)
50 avail_high = avail_ram;
51 if (avail_ram > end_avail) {
52 printf("oops... out of memory\n\r");
53 pause();
54 }
55 return p;
56}
57
58#define HEAD_CRC 2
59#define EXTRA_FIELD 4
60#define ORIG_NAME 8
61#define COMMENT 0x10
62#define RESERVED 0xe0
63
64void gunzip(void *dst, int dstlen, unsigned char *src, int *lenp)
65{
66 z_stream s;
67 int r, i, flags;
68
69 /* skip header */
70 i = 10;
71 flags = src[3];
72 if (src[2] != Z_DEFLATED || (flags & RESERVED) != 0) {
73 printf("bad gzipped data\n\r");
74 exit();
75 }
76 if ((flags & EXTRA_FIELD) != 0)
77 i = 12 + src[10] + (src[11] << 8);
78 if ((flags & ORIG_NAME) != 0)
79 while (src[i++] != 0)
80 ;
81 if ((flags & COMMENT) != 0)
82 while (src[i++] != 0)
83 ;
84 if ((flags & HEAD_CRC) != 0)
85 i += 2;
86 if (i >= *lenp) {
87 printf("gunzip: ran out of data in header\n\r");
88 exit();
89 }
90
91 /* Initialize ourself. */
92 s.workspace = zalloc(zlib_inflate_workspacesize());
93 r = zlib_inflateInit2(&s, -MAX_WBITS);
94 if (r != Z_OK) {
95 printf("zlib_inflateInit2 returned %d\n\r", r);
96 exit();
97 }
98 s.next_in = src + i;
99 s.avail_in = *lenp - i;
100 s.next_out = dst;
101 s.avail_out = dstlen;
102 r = zlib_inflate(&s, Z_FINISH);
103 if (r != Z_OK && r != Z_STREAM_END) {
104 printf("inflate returned %d msg: %s\n\r", r, s.msg);
105 exit();
106 }
107 *lenp = s.next_out - (unsigned char *) dst;
108 zlib_inflateEnd(&s);
109}
110
111/* Make a bi_rec in OF. We need to be passed a name for BI_BOOTLOADER_ID,
112 * a machine type for BI_MACHTYPE, and the location where the end of the
113 * bootloader is (PROG_START + PROG_SIZE)
114 */
115void make_bi_recs(unsigned long addr, char *name, unsigned int mach,
116 unsigned long progend)
117{
118 struct bi_record *rec;
119
120
121 /* leave a 1MB gap then align to the next 1MB boundary */
122 addr = _ALIGN(addr+ (1<<20) - 1, (1<<20));
123 /* oldworld machine seem very unhappy about this. -- Tom */
124 if (addr >= progend)
125 claim(addr, 0x1000, 0);
126
127 rec = (struct bi_record *)addr;
128 rec->tag = BI_FIRST;
129 rec->size = sizeof(struct bi_record);
130 rec = (struct bi_record *)((unsigned long)rec + rec->size);
131
132 rec->tag = BI_BOOTLOADER_ID;
133 sprintf( (char *)rec->data, name);
134 rec->size = sizeof(struct bi_record) + strlen(name) + 1;
135 rec = (struct bi_record *)((unsigned long)rec + rec->size);
136
137 rec->tag = BI_MACHTYPE;
138 rec->data[0] = mach;
139 rec->data[1] = 1;
140 rec->size = sizeof(struct bi_record) + 2 * sizeof(unsigned long);
141 rec = (struct bi_record *)((unsigned long)rec + rec->size);
142
143 rec->tag = BI_LAST;
144 rec->size = sizeof(struct bi_record);
145 rec = (struct bi_record *)((unsigned long)rec + rec->size);
146}