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-rw-r--r--arch/h8300/boot/compressed/misc.c180
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
25typedef unsigned char uch;
26typedef unsigned short ush;
27typedef unsigned long ulg;
28
29#define WSIZE 0x8000 /* Window size must be at least 32k, */
30 /* and a power of two */
31
32static uch *inbuf; /* input buffer */
33static uch window[WSIZE]; /* Sliding window buffer */
34
35static unsigned insize = 0; /* valid bytes in inbuf */
36static unsigned inptr = 0; /* index of next byte to be processed in inbuf */
37static 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
67static int fill_inbuf(void);
68static void flush_window(void);
69static void error(char *m);
70
71extern char input_data[];
72extern int input_len;
73
74static long bytes_out = 0;
75static uch *output_data;
76static unsigned long output_ptr = 0;
77
78static void error(char *m);
79
80int puts(const char *);
81
82extern int _end;
83static unsigned long free_mem_ptr;
84static 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
94int puts(const char *s)
95{
96 return 0;
97}
98
99void* 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
108void* 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 */
122static 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 */
138static 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
156static 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)
166long user_stack [STACK_SIZE];
167long* stack_start = &user_stack[STACK_SIZE];
168
169void 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}