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-rw-r--r--arch/sh64/boot/compressed/misc.c250
1 files changed, 0 insertions, 250 deletions
diff --git a/arch/sh64/boot/compressed/misc.c b/arch/sh64/boot/compressed/misc.c
deleted file mode 100644
index aea00c53ce29..000000000000
--- a/arch/sh64/boot/compressed/misc.c
+++ /dev/null
@@ -1,250 +0,0 @@
1/*
2 * arch/sh64/boot/compressed/misc.c
3 *
4 * This is a collection of several routines from gzip-1.0.3
5 * adapted for Linux.
6 *
7 * malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994
8 *
9 * Adapted for SHmedia from sh by Stuart Menefy, May 2002
10 */
11
12#include <asm/uaccess.h>
13
14/* cache.c */
15#define CACHE_ENABLE 0
16#define CACHE_DISABLE 1
17int cache_control(unsigned int command);
18
19/*
20 * gzip declarations
21 */
22
23#define OF(args) args
24#define STATIC static
25
26#undef memset
27#undef memcpy
28#define memzero(s, n) memset ((s), 0, (n))
29
30typedef unsigned char uch;
31typedef unsigned short ush;
32typedef unsigned long ulg;
33
34#define WSIZE 0x8000 /* Window size must be at least 32k, */
35 /* and a power of two */
36
37static uch *inbuf; /* input buffer */
38static uch window[WSIZE]; /* Sliding window buffer */
39
40static unsigned insize = 0; /* valid bytes in inbuf */
41static unsigned inptr = 0; /* index of next byte to be processed in inbuf */
42static unsigned outcnt = 0; /* bytes in output buffer */
43
44/* gzip flag byte */
45#define ASCII_FLAG 0x01 /* bit 0 set: file probably ASCII text */
46#define CONTINUATION 0x02 /* bit 1 set: continuation of multi-part gzip file */
47#define EXTRA_FIELD 0x04 /* bit 2 set: extra field present */
48#define ORIG_NAME 0x08 /* bit 3 set: original file name present */
49#define COMMENT 0x10 /* bit 4 set: file comment present */
50#define ENCRYPTED 0x20 /* bit 5 set: file is encrypted */
51#define RESERVED 0xC0 /* bit 6,7: reserved */
52
53#define get_byte() (inptr < insize ? inbuf[inptr++] : fill_inbuf())
54
55/* Diagnostic functions */
56#ifdef DEBUG
57# define Assert(cond,msg) {if(!(cond)) error(msg);}
58# define Trace(x) fprintf x
59# define Tracev(x) {if (verbose) fprintf x ;}
60# define Tracevv(x) {if (verbose>1) fprintf x ;}
61# define Tracec(c,x) {if (verbose && (c)) fprintf x ;}
62# define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;}
63#else
64# define Assert(cond,msg)
65# define Trace(x)
66# define Tracev(x)
67# define Tracevv(x)
68# define Tracec(c,x)
69# define Tracecv(c,x)
70#endif
71
72static int fill_inbuf(void);
73static void flush_window(void);
74static void error(char *m);
75static void gzip_mark(void **);
76static void gzip_release(void **);
77
78extern char input_data[];
79extern int input_len;
80
81static long bytes_out = 0;
82static uch *output_data;
83static unsigned long output_ptr = 0;
84
85static void *malloc(int size);
86static void free(void *where);
87static void error(char *m);
88static void gzip_mark(void **);
89static void gzip_release(void **);
90
91static void puts(const char *);
92
93extern int _text; /* Defined in vmlinux.lds.S */
94extern int _end;
95static unsigned long free_mem_ptr;
96static unsigned long free_mem_end_ptr;
97
98#define HEAP_SIZE 0x10000
99
100#include "../../../../lib/inflate.c"
101
102static void *malloc(int size)
103{
104 void *p;
105
106 if (size < 0)
107 error("Malloc error\n");
108 if (free_mem_ptr == 0)
109 error("Memory error\n");
110
111 free_mem_ptr = (free_mem_ptr + 3) & ~3; /* Align */
112
113 p = (void *) free_mem_ptr;
114 free_mem_ptr += size;
115
116 if (free_mem_ptr >= free_mem_end_ptr)
117 error("\nOut of memory\n");
118
119 return p;
120}
121
122static void free(void *where)
123{ /* Don't care */
124}
125
126static void gzip_mark(void **ptr)
127{
128 *ptr = (void *) free_mem_ptr;
129}
130
131static void gzip_release(void **ptr)
132{
133 free_mem_ptr = (long) *ptr;
134}
135
136void puts(const char *s)
137{
138}
139
140void *memset(void *s, int c, size_t n)
141{
142 int i;
143 char *ss = (char *) s;
144
145 for (i = 0; i < n; i++)
146 ss[i] = c;
147 return s;
148}
149
150void *memcpy(void *__dest, __const void *__src, size_t __n)
151{
152 int i;
153 char *d = (char *) __dest, *s = (char *) __src;
154
155 for (i = 0; i < __n; i++)
156 d[i] = s[i];
157 return __dest;
158}
159
160/* ===========================================================================
161 * Fill the input buffer. This is called only when the buffer is empty
162 * and at least one byte is really needed.
163 */
164static int fill_inbuf(void)
165{
166 if (insize != 0) {
167 error("ran out of input data\n");
168 }
169
170 inbuf = input_data;
171 insize = input_len;
172 inptr = 1;
173 return inbuf[0];
174}
175
176/* ===========================================================================
177 * Write the output window window[0..outcnt-1] and update crc and bytes_out.
178 * (Used for the decompressed data only.)
179 */
180static void flush_window(void)
181{
182 ulg c = crc; /* temporary variable */
183 unsigned n;
184 uch *in, *out, ch;
185
186 in = window;
187 out = &output_data[output_ptr];
188 for (n = 0; n < outcnt; n++) {
189 ch = *out++ = *in++;
190 c = crc_32_tab[((int) c ^ ch) & 0xff] ^ (c >> 8);
191 }
192 crc = c;
193 bytes_out += (ulg) outcnt;
194 output_ptr += (ulg) outcnt;
195 outcnt = 0;
196 puts(".");
197}
198
199static void error(char *x)
200{
201 puts("\n\n");
202 puts(x);
203 puts("\n\n -- System halted");
204
205 while (1) ; /* Halt */
206}
207
208#define STACK_SIZE (4096)
209long __attribute__ ((aligned(8))) user_stack[STACK_SIZE];
210long *stack_start = &user_stack[STACK_SIZE];
211
212void decompress_kernel(void)
213{
214 output_data = (uch *) (CONFIG_MEMORY_START + 0x2000);
215 free_mem_ptr = (unsigned long) &_end;
216 free_mem_end_ptr = free_mem_ptr + HEAP_SIZE;
217
218 makecrc();
219 puts("Uncompressing Linux... ");
220 cache_control(CACHE_ENABLE);
221 gunzip();
222 puts("\n");
223
224#if 0
225 /* When booting from ROM may want to do something like this if the
226 * boot loader doesn't.
227 */
228
229 /* Set up the parameters and command line */
230 {
231 volatile unsigned int *parambase =
232 (int *) (CONFIG_MEMORY_START + 0x1000);
233
234 parambase[0] = 0x1; /* MOUNT_ROOT_RDONLY */
235 parambase[1] = 0x0; /* RAMDISK_FLAGS */
236 parambase[2] = 0x0200; /* ORIG_ROOT_DEV */
237 parambase[3] = 0x0; /* LOADER_TYPE */
238 parambase[4] = 0x0; /* INITRD_START */
239 parambase[5] = 0x0; /* INITRD_SIZE */
240 parambase[6] = 0;
241
242 strcpy((char *) ((int) parambase + 0x100),
243 "console=ttySC0,38400");
244 }
245#endif
246
247 puts("Ok, booting the kernel.\n");
248
249 cache_control(CACHE_DISABLE);
250}
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