wok annotate linld/stuff/src/LINLD.CPP @ rev 24014

linld: add quick boot switch (again)
author Pascal Bellard <pascal.bellard@slitaz.org>
date Fri Feb 19 18:33:17 2021 +0000 (2021-02-19)
parents bc4b94310a29
children 14ca5e18cfd9
rev   line source
pascal@19515 1 // This file is distributed under GPL
pascal@19515 2 //
pascal@19515 3 // LINLD main() lives here
pascal@19515 4
pascal@19515 5 #include "crtl.h"
pascal@19515 6 #include "common.h"
pascal@23996 7 #include "iso9660.h"
pascal@19515 8
pascal@23996 9 extern char bzimagestr[];
pascal@23996 10 const char* cmdstr[4] = {"auto",bzimagestr,NULL,NULL};
pascal@24013 11 #ifdef QUICK_BOOT
pascal@24013 12 u32 cmdnum[7];
pascal@24013 13 #else
pascal@23999 14 u32 cmdnum[5];
pascal@24013 15 #endif
pascal@19515 16
pascal@19515 17 inline void syntax() {
pascal@19515 18 die("Syntax:" NL
pascal@23996 19 "LINLD [image=file] [initrd=files] [vga=mode] [root=num] [mem=max] [cl=cmdline] [iso=file]" NL
pascal@19515 20 "vga mode: ask,extended,normal or dec/oct/hex number" NL
pascal@21984 21 "-64 for cpu64 only" NL
pascal@19515 22 "Defaults:" NL
pascal@19515 23 "\timage=bzImage" NL
pascal@19515 24 "\tinitrd,vga,root=(void)" NL
pascal@19515 25 "\tmem=256m" NL
pascal@19515 26 "\tcl=auto" NL
pascal@19580 27 "\t-b 1088k" NL
pascal@19515 28 "Use quotes: \"cl=...\" if you need spaces in cmdline" NL
pascal@19538 29 "Use cl=@filename to get it from a file"
pascal@19515 30 #if 1
pascal@19515 31 NL NL "Examples:" NL
pascal@23992 32 "\tLINLD "
pascal@23992 33 "-b 64m "
pascal@21569 34 "initrd=rootfs4.gz,rootfs3.gz,rootfs2.gz,rootfs1.gz "
pascal@23890 35 "\"cl=root=/dev/null video=-32\""
pascal@20451 36 NL NL "\tLINLD image=memtest"
pascal@19515 37 #endif
pascal@19515 38 );
pascal@19515 39 }
pascal@19515 40
pascal@23996 41 extern char buf_cmdline[128];
pascal@19515 42 int main(int argc, char *argv[]) {
pascal@19571 43
pascal@19571 44 (void) argc;
pascal@19571 45
pascal@21569 46 ((u16*) &base_himem)[1] |= (_1m+_64k)>>16; // base_himem = _1m+_64k
pascal@19515 47 puts("LINLD v" VERSION_STR "+");
pascal@19515 48
pascal@19538 49 // Parse command line
pascal@23994 50 if (!*++argv) syntax();
pascal@23992 51 const char **clp = &cmdline;
pascal@23994 52 do {
pascal@21984 53 if ((*(u16 *)*argv|2) == 0x362F) { // -64 /64
pascal@23996 54 if (cpuhaslm() != 0) continue;
pascal@23996 55 exit();
pascal@21984 56 }
pascal@23996 57 if (argstr(*argv,"cl|image|initrd|iso",clp) == (int) clp) continue;
pascal@24013 58 #ifdef QUICK_BOOT
pascal@24014 59 if (argnum(*argv,"root|vga|mem|-b|-f~-q~-v~",&root_dev) >= (int) &base_himem) continue;
pascal@24013 60 #else
pascal@24014 61 if (argnum(*argv,"root|vga|mem|-b|-f~",&root_dev) >= (int) &base_himem) continue;
pascal@24013 62 #endif
pascal@23992 63 if (fileexist(*argv) != -1) {
pascal@21984 64 kernel_name=*argv;
pascal@23992 65 continue;
pascal@23992 66 }
pascal@23992 67 *clp = (const char *) buf_cmdline + 1;
pascal@23992 68 strcatb((const char *) buf_cmdline,*argv);
pascal@23994 69 } while (*++argv);
pascal@23992 70 puts(*clp);
pascal@23996 71 if (isofile) setiso(isofile);
pascal@23992 72 set_cmdline(*clp);
pascal@23992 73 load_kernel();
pascal@23992 74 load_initrd();
pascal@23992 75 boot_kernel();
pascal@19515 76
pascal@19515 77 // Let compiler be happy
pascal@23996 78 return _AX;
pascal@19515 79 }