mirror of
https://github.com/xcat2/xcat-dep.git
synced 2024-11-25 11:00:07 +00:00
55 lines
1.6 KiB
Diff
55 lines
1.6 KiB
Diff
diff -urN syslinux-3.86/com32/mboot/mboot.c syslinux-3.86-multibootif/com32/mboot/mboot.c
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--- syslinux-3.86/com32/mboot/mboot.c 2010-03-31 12:24:25.000000000 -0400
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+++ syslinux-3.86-multibootif/com32/mboot/mboot.c 2010-05-14 21:15:43.000000000 -0400
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@@ -93,9 +93,18 @@
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char **argp, **argx;
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struct module_data *mp;
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int rv;
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+ int firstmod = 1;
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int module_count = 1;
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int arglen;
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const char module_separator[] = "---";
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+ com32sys_t reg;
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+ char *bootifstr;
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+ reg.eax.w[0] = 0x000f; /* Get IPAPPEND strings */
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+ __intcall(0x22,®,®);
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+ if (!(reg.eflags.l & EFLAGS_CF)) {
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+ bootifstr = MK_PTR(reg.es,
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+ *(uint16_t *) MK_PTR(reg.es, reg.ebx.w[0] + 2));
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+ } /* bootifstr would now be like BOOTIF= argument */
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for (argp = argv; *argp; argp++) {
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if (!strcmp(*argp, module_separator))
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@@ -130,15 +139,29 @@
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arglen += strlen(*argx) + 1;
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if (arglen == 0) {
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- mp->cmdline = strdup("");
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+ if (firstmod) { /* first module, let's add BOOTIF to the command line */
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+ firstmod=0;
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+ mp->cmdline = strdup(bootifstr);
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+ } else {
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+ mp->cmdline = strdup("");
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+ }
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} else {
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char *p;
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+ if (firstmod) {
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+ arglen += strlen(bootifstr) + 1;
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+ }
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mp->cmdline = p = malloc(arglen);
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for (; *argp && strcmp(*argp, module_separator); argp++) {
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p = strpcpy(p, *argp);
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*p++ = ' ';
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}
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- *--p = '\0';
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+ if (firstmod) { /* first module, let's add BOOTIF to the command line */
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+ firstmod=0;
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+ p = strpcpy(p,bootifstr);
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+ *p = '\0';
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+ } else {
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+ *--p = '\0';
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+ }
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}
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mp++;
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if (*argp)
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