diff options
Diffstat (limited to 'arch/h8300/boot/compressed/misc.c')
-rw-r--r-- | arch/h8300/boot/compressed/misc.c | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/arch/h8300/boot/compressed/misc.c b/arch/h8300/boot/compressed/misc.c deleted file mode 100644 index 4a1e3dd43948..000000000000 --- a/arch/h8300/boot/compressed/misc.c +++ /dev/null | |||
@@ -1,180 +0,0 @@ | |||
1 | /* | ||
2 | * arch/h8300/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 h8300 by Yoshinori Sato 2006 | ||
10 | */ | ||
11 | |||
12 | #include <asm/uaccess.h> | ||
13 | |||
14 | /* | ||
15 | * gzip declarations | ||
16 | */ | ||
17 | |||
18 | #define OF(args) args | ||
19 | #define STATIC static | ||
20 | |||
21 | #undef memset | ||
22 | #undef memcpy | ||
23 | #define memzero(s, n) memset ((s), 0, (n)) | ||
24 | |||
25 | typedef unsigned char uch; | ||
26 | typedef unsigned short ush; | ||
27 | typedef unsigned long ulg; | ||
28 | |||
29 | #define WSIZE 0x8000 /* Window size must be at least 32k, */ | ||
30 | /* and a power of two */ | ||
31 | |||
32 | static uch *inbuf; /* input buffer */ | ||
33 | static uch window[WSIZE]; /* Sliding window buffer */ | ||
34 | |||
35 | static unsigned insize = 0; /* valid bytes in inbuf */ | ||
36 | static unsigned inptr = 0; /* index of next byte to be processed in inbuf */ | ||
37 | static unsigned outcnt = 0; /* bytes in output buffer */ | ||
38 | |||
39 | /* gzip flag byte */ | ||
40 | #define ASCII_FLAG 0x01 /* bit 0 set: file probably ASCII text */ | ||
41 | #define CONTINUATION 0x02 /* bit 1 set: continuation of multi-part gzip file */ | ||
42 | #define EXTRA_FIELD 0x04 /* bit 2 set: extra field present */ | ||
43 | #define ORIG_NAME 0x08 /* bit 3 set: original file name present */ | ||
44 | #define COMMENT 0x10 /* bit 4 set: file comment present */ | ||
45 | #define ENCRYPTED 0x20 /* bit 5 set: file is encrypted */ | ||
46 | #define RESERVED 0xC0 /* bit 6,7: reserved */ | ||
47 | |||
48 | #define get_byte() (inptr < insize ? inbuf[inptr++] : fill_inbuf()) | ||
49 | |||
50 | /* Diagnostic functions */ | ||
51 | #ifdef DEBUG | ||
52 | # define Assert(cond,msg) {if(!(cond)) error(msg);} | ||
53 | # define Trace(x) fprintf x | ||
54 | # define Tracev(x) {if (verbose) fprintf x ;} | ||
55 | # define Tracevv(x) {if (verbose>1) fprintf x ;} | ||
56 | # define Tracec(c,x) {if (verbose && (c)) fprintf x ;} | ||
57 | # define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;} | ||
58 | #else | ||
59 | # define Assert(cond,msg) | ||
60 | # define Trace(x) | ||
61 | # define Tracev(x) | ||
62 | # define Tracevv(x) | ||
63 | # define Tracec(c,x) | ||
64 | # define Tracecv(c,x) | ||
65 | #endif | ||
66 | |||
67 | static int fill_inbuf(void); | ||
68 | static void flush_window(void); | ||
69 | static void error(char *m); | ||
70 | |||
71 | extern char input_data[]; | ||
72 | extern int input_len; | ||
73 | |||
74 | static long bytes_out = 0; | ||
75 | static uch *output_data; | ||
76 | static unsigned long output_ptr = 0; | ||
77 | |||
78 | static void error(char *m); | ||
79 | |||
80 | int puts(const char *); | ||
81 | |||
82 | extern int _end; | ||
83 | static unsigned long free_mem_ptr; | ||
84 | static unsigned long free_mem_end_ptr; | ||
85 | |||
86 | #define HEAP_SIZE 0x10000 | ||
87 | |||
88 | #include "../../../../lib/inflate.c" | ||
89 | |||
90 | #define SCR *((volatile unsigned char *)0xffff8a) | ||
91 | #define TDR *((volatile unsigned char *)0xffff8b) | ||
92 | #define SSR *((volatile unsigned char *)0xffff8c) | ||
93 | |||
94 | int puts(const char *s) | ||
95 | { | ||
96 | return 0; | ||
97 | } | ||
98 | |||
99 | void* memset(void* s, int c, size_t n) | ||
100 | { | ||
101 | int i; | ||
102 | char *ss = (char*)s; | ||
103 | |||
104 | for (i=0;i<n;i++) ss[i] = c; | ||
105 | return s; | ||
106 | } | ||
107 | |||
108 | void* memcpy(void* __dest, __const void* __src, | ||
109 | size_t __n) | ||
110 | { | ||
111 | int i; | ||
112 | char *d = (char *)__dest, *s = (char *)__src; | ||
113 | |||
114 | for (i=0;i<__n;i++) d[i] = s[i]; | ||
115 | return __dest; | ||
116 | } | ||
117 | |||
118 | /* =========================================================================== | ||
119 | * Fill the input buffer. This is called only when the buffer is empty | ||
120 | * and at least one byte is really needed. | ||
121 | */ | ||
122 | static int fill_inbuf(void) | ||
123 | { | ||
124 | if (insize != 0) { | ||
125 | error("ran out of input data"); | ||
126 | } | ||
127 | |||
128 | inbuf = input_data; | ||
129 | insize = input_len; | ||
130 | inptr = 1; | ||
131 | return inbuf[0]; | ||
132 | } | ||
133 | |||
134 | /* =========================================================================== | ||
135 | * Write the output window window[0..outcnt-1] and update crc and bytes_out. | ||
136 | * (Used for the decompressed data only.) | ||
137 | */ | ||
138 | static void flush_window(void) | ||
139 | { | ||
140 | ulg c = crc; /* temporary variable */ | ||
141 | unsigned n; | ||
142 | uch *in, *out, ch; | ||
143 | |||
144 | in = window; | ||
145 | out = &output_data[output_ptr]; | ||
146 | for (n = 0; n < outcnt; n++) { | ||
147 | ch = *out++ = *in++; | ||
148 | c = crc_32_tab[((int)c ^ ch) & 0xff] ^ (c >> 8); | ||
149 | } | ||
150 | crc = c; | ||
151 | bytes_out += (ulg)outcnt; | ||
152 | output_ptr += (ulg)outcnt; | ||
153 | outcnt = 0; | ||
154 | } | ||
155 | |||
156 | static void error(char *x) | ||
157 | { | ||
158 | puts("\n\n"); | ||
159 | puts(x); | ||
160 | puts("\n\n -- System halted"); | ||
161 | |||
162 | while(1); /* Halt */ | ||
163 | } | ||
164 | |||
165 | #define STACK_SIZE (4096) | ||
166 | long user_stack [STACK_SIZE]; | ||
167 | long* stack_start = &user_stack[STACK_SIZE]; | ||
168 | |||
169 | void decompress_kernel(void) | ||
170 | { | ||
171 | output_data = 0; | ||
172 | output_ptr = (unsigned long)0x400000; | ||
173 | free_mem_ptr = (unsigned long)&_end; | ||
174 | free_mem_end_ptr = free_mem_ptr + HEAP_SIZE; | ||
175 | |||
176 | makecrc(); | ||
177 | puts("Uncompressing Linux... "); | ||
178 | gunzip(); | ||
179 | puts("Ok, booting the kernel.\n"); | ||
180 | } | ||