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pascal@19515
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1 // This file is distributed under GPL
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pascal@19515
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2 //
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pascal@19515
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3 // LINLD main() lives here
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pascal@19515
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4
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pascal@19515
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5 #include "crtl.h"
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pascal@19515
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6 #include "common.h"
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pascal@19515
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7
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pascal@21984
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8 const char* cmdline = "auto";
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pascal@19515
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9 const char* kernel_name = "bzImage";
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pascal@21984
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10 #ifdef USE_ARGSTR
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pascal@21984
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11 const char* initrd_name = NULL;
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pascal@21984
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12 #else
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pascal@19515
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13 const char* initrd_name;
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pascal@21984
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14 #endif
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pascal@20528
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15 u32 root_dev;
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pascal@20528
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16 u32 vid_mode; // -3 = ask
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pascal@20528
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17 // -2 = Extended VGA
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pascal@20528
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18 // -1 = Normal VGA
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pascal@20528
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19 // n = as "n" was pressed
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pascal@20528
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20 u32 topmem;
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pascal@21569
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21 u32 base_himem;
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pascal@19515
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22
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pascal@19515
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23 inline void syntax() {
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pascal@19515
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24 die("Syntax:" NL
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pascal@19515
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25 "LINLD [image=file] [initrd=files] [vga=mode] [root=num] [mem=max] [cl=cmdline]" NL
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pascal@19515
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26 "vga mode: ask,extended,normal or dec/oct/hex number" NL
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pascal@19538
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27 "-f force" NL
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pascal@21984
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28 "-64 for cpu64 only" NL
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pascal@19515
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29 "Defaults:" NL
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pascal@19515
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30 "\timage=bzImage" NL
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pascal@19515
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31 "\tinitrd,vga,root=(void)" NL
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pascal@19515
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32 "\tmem=256m" NL
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pascal@19515
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33 "\tcl=auto" NL
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pascal@19580
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34 "\t-b 1088k" NL
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pascal@19515
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35 "Use quotes: \"cl=...\" if you need spaces in cmdline" NL
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pascal@19538
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36 "Use cl=@filename to get it from a file"
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pascal@19515
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37 #if 1
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pascal@19515
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38 NL NL "Examples:" NL
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pascal@21569
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39 "\tLINLD -f -b 64m "
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pascal@21569
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40 "initrd=rootfs4.gz,rootfs3.gz,rootfs2.gz,rootfs1.gz "
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pascal@21822
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41 "\"cl=video=-32\""
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pascal@20451
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42 NL NL "\tLINLD image=memtest"
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pascal@19515
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43 #endif
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pascal@19515
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44 );
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pascal@19515
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45 }
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pascal@19515
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46
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pascal@20453
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47 static char buf_cmdline[128];
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pascal@19515
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48 int main(int argc, char *argv[]) {
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pascal@19571
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49
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pascal@19571
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50 (void) argc;
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pascal@19571
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51
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pascal@21569
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52 ((u16*) &base_himem)[1] |= (_1m+_64k)>>16; // base_himem = _1m+_64k
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pascal@19515
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53 puts("LINLD v" VERSION_STR "+");
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pascal@19515
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54
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pascal@19538
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55 // Parse command line
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pascal@20751
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56 #ifdef USE_ARGSTR
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pascal@21576
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57 if (!argv[1]) syntax();
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pascal@21984
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58 for (;;) {
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pascal@20751
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59 const char **clp = &cmdline;
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pascal@20751
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60 argv++;
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pascal@21984
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61 if (!*argv) goto boot;
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pascal@21984
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62 if ((*(u16 *)*argv|2) == 0x362F) { // -64 /64
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pascal@21984
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63 if (cpuhaslm() == 0) exit();
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pascal@21984
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64 }
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pascal@21984
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65 if ((*(u16 *)*argv|0x2002) == 0x662F) { // -F /f
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pascal@21984
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66 skip_alloc++;
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pascal@21984
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67 }
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pascal@21984
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68 else if (argstr(*argv,"cl|image|initrd",clp) != -1);
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pascal@21984
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69 else if (fileexist(*argv) != -1)
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pascal@21984
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70 kernel_name=*argv;
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pascal@21984
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71 else if (argnum(*argv,"root|vga|mem|-b",&root_dev) != -1);
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pascal@21984
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72 else {
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pascal@21984
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73 *clp = (const char *) buf_cmdline + 1;
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pascal@21984
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74 strcatb((const char *) buf_cmdline,*argv);
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pascal@21984
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75 boot:
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pascal@20751
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76 puts(*clp);
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pascal@20751
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77 set_cmdline(*clp);
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pascal@22170
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78 load_kernel();
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pascal@22170
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79 puts(version_string);
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pascal@20751
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80 load_initrd();
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pascal@20751
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81 boot_kernel();
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pascal@20751
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82 }
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pascal@20751
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83 }
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pascal@20751
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84 #else
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pascal@21576
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85 if (!argv[1]) syntax();
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pascal@21576
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86 while (1) {
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pascal@19571
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87 char *s;
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pascal@19580
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88 next:
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pascal@19571
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89 argv++;
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pascal@19571
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90 s=*argv;
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pascal@19538
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91 if (!s) {
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pascal@22170
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92 load_kernel();
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pascal@22170
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93 puts(version_string);
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pascal@19538
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94 load_initrd();
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pascal@19538
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95 boot_kernel();
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pascal@19538
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96 }
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pascal@21791
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97 if(strhead(s,"initrd=") != -1) {
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pascal@21569
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98 initrd_name=s+7;
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pascal@19538
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99 }
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pascal@21628
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100 else if(strhead(s,"vga=") != -1) {
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pascal@21569
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101 *(u16*)&vid_mode = (u16)strtol(s+7); // support normal, extended & ask
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pascal@19515
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102 }
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pascal@19580
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103 else switch (*(u16 *)s|0x2002) {
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pascal@21984
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104 case 0x362F: // -64 /64
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pascal@21984
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105 if (cpuhaslm() == 0) exit();
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pascal@21984
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106 goto next;
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pascal@19580
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107 case 0x662F: // -F /f
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pascal@19580
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108 skip_alloc++;
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pascal@19580
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109 goto next;
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pascal@19580
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110 case 0x622F: // -B /b
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pascal@19580
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111 argv++;
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pascal@21569
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112 ((u16 *)&base_himem)[1] = (u16)(strtol(*argv)>>16);
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pascal@19580
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113 goto next;
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pascal@19580
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114 default:
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pascal@21628
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115 if(strhead(s,"cl=") != -1) {
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pascal@20793
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116 cmdline=s+=3;
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pascal@20793
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117 if (*s == '@') {
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pascal@20793
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118 static struct image_himem image;
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pascal@20793
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119 char c;
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pascal@19538
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120
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pascal@20793
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121 s++;
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pascal@20793
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122 image.errmsg = "Error in cl=@file";
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pascal@21649
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123 open_image(&image, s);
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pascal@21569
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124 s+=read(image.fd, (void *)cmdline=s=
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pascal@21569
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125 (char *)malloc_or_die(image.size), image.size);
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pascal@20793
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126 // Strip any trailing cr/lf
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pascal@20793
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127 c='\0';
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pascal@20793
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128 do {
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pascal@19538
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129 // Replace all other cr/lfs with spaces
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pascal@19538
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130 s--;
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pascal@19538
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131 if(*s>=' ') c=' ';
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pascal@19538
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132 else *s = c;
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pascal@20793
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133 } while (s>cmdline);
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pascal@20793
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134 puts("Kernel command line:");
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pascal@20793
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135 puts(cmdline);
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pascal@20793
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136 }
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pascal@20793
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137 }
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pascal@21628
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138 else if(strhead(s,"root=") != -1) {
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pascal@21569
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139 *(u16*)&root_dev = (u16)strtol(s+5);
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pascal@20793
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140 goto addincmdline;
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pascal@20793
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141 }
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pascal@21628
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142 else if(strhead(s,"mem=") != -1) {
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pascal@21569
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143 ((u16 *)&topmem)[1] = (u16)(strtol(s+4)>>16);
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pascal@20793
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144 goto addincmdline;
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pascal@20793
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145 }
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pascal@21791
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146 else if(strhead(s,"image=") != -1) {
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pascal@21791
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147 s+=6;
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pascal@21791
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148 set_kernel_name:
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pascal@21791
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149 kernel_name=s;
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pascal@21791
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150 }
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pascal@20793
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151 else {
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pascal@20793
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152 addincmdline:
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pascal@20793
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153 if(cmdline == (const char *) buf_cmdline + 1) {
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pascal@20793
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154 strcatb(buf_cmdline,*argv);
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pascal@20793
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155 }
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pascal@20793
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156 else {
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pascal@20793
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157 if(fileexist(s) != -1) goto set_kernel_name;
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pascal@20793
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158 cmdline = (const char *) buf_cmdline + 1;
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pascal@20793
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159 goto addincmdline;
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pascal@20793
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160 }
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pascal@20793
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161 }
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pascal@19580
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162 }
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pascal@20793
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163 }
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pascal@20751
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164 #endif
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pascal@19515
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165
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pascal@19515
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166 // Let compiler be happy
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pascal@22183
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167 //return _AX;
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pascal@19515
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168 }
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