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1 // This file is distributed under GPL

2 //

3 // LINLD main() lives here

4

5 #include "crtl.h"

6 #include "common.h"

7 #include "iso9660.h"

8

9 extern char bzimagestr[];

10 const char* cmdstr[4] = {"auto",bzimagestr,NULL,NULL};

11 #ifdef QUICK_BOOT

12 u32 cmdnum[7];

13 #else

14 u32 cmdnum[5];

15 #endif

16

17 inline void syntax() {

18 die("Syntax:" NL

19 "LINLD [image=file] [initrd=files] [vga=mode] [root=num] [mem=max] [cl=cmdline] [iso=file]" NL

20 "vga mode: ask,extended,normal or dec/oct/hex number" NL

21 "-64 for cpu64 only" NL

22 "Defaults:" NL

23 "\timage=bzImage" NL

24 "\tinitrd,vga,root=(void)" NL

25 "\tmem=256m" NL

26 "\tcl=auto" NL

27 "\t-b 1088k" NL

28 "Use quotes: \"cl=...\" if you need spaces in cmdline" NL

29 "Use cl=@filename to get it from a file"

30 #if 1

31 NL NL "Examples:" NL

32 "\tLINLD "

33 "-b 64m "

34 "initrd=rootfs4.gz,rootfs3.gz,rootfs2.gz,rootfs1.gz "

35 "\"cl=root=/dev/null video=-32\""

36 NL NL "\tLINLD image=memtest"

37 #endif

38 );

39 }

40

41 extern char buf_cmdline[128];

42 int main(int argc, char *argv[]) {

43

44 (void) argc;

45

46 ((u16*) &base_himem)[1] |= (_1m+_64k)>>16; // base_himem = _1m+_64k

47 puts("LINLD v" VERSION_STR "+");

48

49 // Parse command line

50 if (!*++argv) syntax();

51 const char **clp = &cmdline;

52 do {

53 if ((*(u16 *)*argv|2) == 0x362F) { // -64 /64

54 if (cpuhaslm() != 0) continue;

55 exit();

56 }

57 if (argstr(*argv,"cl|image|initrd|iso",clp) == (int) clp) continue;

58 #ifdef QUICK_BOOT

59 if (argnum(*argv,"root|vga|mem|-b|-f~-q~-v~",&root_dev) >= (int) &base_himem) continue;

60 #else

61 if (argnum(*argv,"root|vga|mem|-b|-f~",&root_dev) >= (int) &base_himem) continue;

62 #endif

63 if (fileexist(*argv) != -1) {

64 kernel_name=*argv;

65 continue;

66 }

67 *clp = (const char *) buf_cmdline + 1;

68 strcatb((const char *) buf_cmdline,*argv);

69 } while (*++argv);

70 puts(*clp);

71 if (isofile) setiso(isofile);

72 set_cmdline(*clp);

73 load_kernel();

74 load_initrd();

75 boot_kernel();

76

77 // Let compiler be happy

78 return _AX;

79 }