misc.c (820e8feca06ff744f60e5036c3178dde40b91afc) misc.c (04999550f93234bf05597a9b7d26e2bfe27ba883)
1/*
2 * 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 * puts by Nick Holloway 1993, better puts by Martin Mares 1995

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93 *
94 */
95
96/*
97 * gzip declarations
98 */
99#define STATIC static
100
1/*
2 * 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 * puts by Nick Holloway 1993, better puts by Martin Mares 1995

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93 *
94 */
95
96/*
97 * gzip declarations
98 */
99#define STATIC static
100
101#undef memset
102#undef memcpy
101#undef memcpy
102
103/*
104 * Use a normal definition of memset() from string.c. There are already
105 * included header files which expect a definition of memset() and by
106 * the time we define memset macro, it is too late.
107 */
108#undef memset
103#define memzero(s, n) memset((s), 0, (n))
104
105
106static void error(char *m);
107
108/*
109 * This is set up by the setup-routine at boot-time
110 */
111struct boot_params *real_mode; /* Pointer to real-mode data */
112
109#define memzero(s, n) memset((s), 0, (n))
110
111
112static void error(char *m);
113
114/*
115 * This is set up by the setup-routine at boot-time
116 */
117struct boot_params *real_mode; /* Pointer to real-mode data */
118
113void *memset(void *s, int c, size_t n);
114
115memptr free_mem_ptr;
116memptr free_mem_end_ptr;
117
118static char *vidmem;
119static int vidport;
120static int lines, cols;
121
122#ifdef CONFIG_KERNEL_GZIP

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211
212 pos = (x + cols * y) * 2; /* Update cursor position */
213 outb(14, vidport);
214 outb(0xff & (pos >> 9), vidport+1);
215 outb(15, vidport);
216 outb(0xff & (pos >> 1), vidport+1);
217}
218
119memptr free_mem_ptr;
120memptr free_mem_end_ptr;
121
122static char *vidmem;
123static int vidport;
124static int lines, cols;
125
126#ifdef CONFIG_KERNEL_GZIP

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215
216 pos = (x + cols * y) * 2; /* Update cursor position */
217 outb(14, vidport);
218 outb(0xff & (pos >> 9), vidport+1);
219 outb(15, vidport);
220 outb(0xff & (pos >> 1), vidport+1);
221}
222
219void *memset(void *s, int c, size_t n)
220{
221 int i;
222 char *ss = s;
223
224 for (i = 0; i < n; i++)
225 ss[i] = c;
226 return s;
227}
228
229static void error(char *x)
230{
231 error_putstr("\n\n");
232 error_putstr(x);
233 error_putstr("\n\n -- System halted");
234
235 while (1)
236 asm("hlt");

--- 178 unchanged lines hidden --- 		223static void error(char *x)
224{
225 error_putstr("\n\n");
226 error_putstr(x);
227 error_putstr("\n\n -- System halted");
228
229 while (1)
230 asm("hlt");

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