forked from KolibriOS/kolibrios
92 lines
1.5 KiB
C
92 lines
1.5 KiB
C
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#include <drm/drmP.h>
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#include <drm.h>
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#include <drm_mm.h>
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#include "radeon_drm.h"
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#include "radeon.h"
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#include "radeon_object.h"
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static int my_atoi(char **cmd)
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{
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char* p = *cmd;
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int val = 0;
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for (;; *p++) {
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switch (*p) {
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case '0' ... '9':
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val = 10*val+(*p-'0');
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break;
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default:
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*cmd = p;
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return val;
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}
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}
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}
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char* parse_mode(char *p, videomode_t *mode)
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{
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char c;
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while( (c = *p++) == ' ');
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if( c )
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{
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p--;
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mode->width = my_atoi(&p);
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if(*p == 'x') p++;
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mode->height = my_atoi(&p);
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if(*p == 'x') p++;
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mode->bpp = 32;
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mode->freq = my_atoi(&p);
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if( mode->freq == 0 )
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mode->freq = 60;
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}
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return p;
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};
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char* parse_path(char *p, char *log)
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{
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char c;
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while( (c = *p++) == ' ');
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p--;
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while( (c = *log++ = *p++) && (c != ' '));
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*log = 0;
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return p;
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};
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void parse_cmdline(char *cmdline, videomode_t *mode, char *log, int *kms)
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{
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char *p = cmdline;
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char c = *p++;
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while( c )
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{
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if( c == '-')
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{
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switch(*p++)
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{
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case 'm':
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p = parse_mode(p, mode);
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break;
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case 'l':
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p = parse_path(p, log);
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break;
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case 'n':
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*kms = 0;
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};
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};
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c = *p++;
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};
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};
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