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/* ----------------------------------------------------------------------- *
*
* Copyright 2004-2008 H. Peter Anvin - All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston MA 02110-1301, USA; either version 2 of the License, or
* (at your option) any later version; incorporated herein by reference.
*
* ----------------------------------------------------------------------- */
#include <stdlib.h>
#include <string.h>
#include <com32.h>
#include "menu.h"
void execute(const char *cmdline, enum kernel_type type)
{
com32sys_t ireg;
const char *p, *const *pp;
char *q = __com32.cs_bounce;
const char *kernel, *args;
memset(&ireg, 0, sizeof ireg);
kernel = q;
p = cmdline;
while (*p && !my_isspace(*p)) {
*q++ = *p++;
}
*q++ = '\0';
args = q;
while (*p && my_isspace(*p))
p++;
strcpy(q, p);
if (kernel[0] == '.' && type == KT_NONE) {
/* It might be a type specifier */
enum kernel_type type = KT_NONE;
for (pp = kernel_types; *pp; pp++, type++) {
if (!strcmp(kernel + 1, *pp)) {
execute(p, type); /* Strip the type specifier and retry */
}
}
}
if (type == KT_LOCALBOOT) {
ireg.eax.w[0] = 0x0014; /* Local boot */
ireg.edx.w[0] = strtoul(kernel, NULL, 0);
} else {
if (type < KT_KERNEL)
type = KT_KERNEL;
ireg.eax.w[0] = 0x0016; /* Run kernel image */
ireg.esi.w[0] = OFFS(kernel);
ireg.ds = SEG(kernel);
ireg.ebx.w[0] = OFFS(args);
ireg.es = SEG(args);
ireg.edx.l = type - KT_KERNEL;
/* ireg.ecx.l = 0; *//* We do ipappend "manually" */
}
__intcall(0x22, &ireg, NULL);
/* If this returns, something went bad; return to menu */
}
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