diff options
author | Paul Mundt <lethal@linux-sh.org> | 2007-11-21 02:53:37 -0500 |
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committer | Paul Mundt <lethal@linux-sh.org> | 2008-01-27 23:18:52 -0500 |
commit | 71373068067b01c963eed1350909de81fc6a6d04 (patch) | |
tree | 46983ab00b37896519fd4833ed69eadfe618270f /arch/sh64/boot/compressed/misc.c | |
parent | 55183e9bb2c2ce43d88eaa575c2d6d4fd6d865a3 (diff) |
sh: Merge the sh64 zImage bits.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh64/boot/compressed/misc.c')
-rw-r--r-- | arch/sh64/boot/compressed/misc.c | 250 |
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 | ||
17 | int 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 | |||
30 | typedef unsigned char uch; | ||
31 | typedef unsigned short ush; | ||
32 | typedef unsigned long ulg; | ||
33 | |||
34 | #define WSIZE 0x8000 /* Window size must be at least 32k, */ | ||
35 | /* and a power of two */ | ||
36 | |||
37 | static uch *inbuf; /* input buffer */ | ||
38 | static uch window[WSIZE]; /* Sliding window buffer */ | ||
39 | |||
40 | static unsigned insize = 0; /* valid bytes in inbuf */ | ||
41 | static unsigned inptr = 0; /* index of next byte to be processed in inbuf */ | ||
42 | static 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 | |||
72 | static int fill_inbuf(void); | ||
73 | static void flush_window(void); | ||
74 | static void error(char *m); | ||
75 | static void gzip_mark(void **); | ||
76 | static void gzip_release(void **); | ||
77 | |||
78 | extern char input_data[]; | ||
79 | extern int input_len; | ||
80 | |||
81 | static long bytes_out = 0; | ||
82 | static uch *output_data; | ||
83 | static unsigned long output_ptr = 0; | ||
84 | |||
85 | static void *malloc(int size); | ||
86 | static void free(void *where); | ||
87 | static void error(char *m); | ||
88 | static void gzip_mark(void **); | ||
89 | static void gzip_release(void **); | ||
90 | |||
91 | static void puts(const char *); | ||
92 | |||
93 | extern int _text; /* Defined in vmlinux.lds.S */ | ||
94 | extern int _end; | ||
95 | static unsigned long free_mem_ptr; | ||
96 | static unsigned long free_mem_end_ptr; | ||
97 | |||
98 | #define HEAP_SIZE 0x10000 | ||
99 | |||
100 | #include "../../../../lib/inflate.c" | ||
101 | |||
102 | static 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 | |||
122 | static void free(void *where) | ||
123 | { /* Don't care */ | ||
124 | } | ||
125 | |||
126 | static void gzip_mark(void **ptr) | ||
127 | { | ||
128 | *ptr = (void *) free_mem_ptr; | ||
129 | } | ||
130 | |||
131 | static void gzip_release(void **ptr) | ||
132 | { | ||
133 | free_mem_ptr = (long) *ptr; | ||
134 | } | ||
135 | |||
136 | void puts(const char *s) | ||
137 | { | ||
138 | } | ||
139 | |||
140 | void *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 | |||
150 | void *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 | */ | ||
164 | static 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 | */ | ||
180 | static 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 | |||
199 | static 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) | ||
209 | long __attribute__ ((aligned(8))) user_stack[STACK_SIZE]; | ||
210 | long *stack_start = &user_stack[STACK_SIZE]; | ||
211 | |||
212 | void 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 | } | ||