1 files changed, 69 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/com32/menu/execute.c b/contrib/syslinux-4.02/com32/menu/execute.c
new file mode 100644
index 0000000..c2de735
--- /dev/null
+++ b/contrib/syslinux-4.02/com32/menu/execute.c
@@ -0,0 +1,69 @@
+/* ----------------------------------------------------------------------- *
+ *
+ *   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 */
+}