* ----------------------------------------------------------------------- */
/*
- * arch/i386/boot/edd.c
- *
* Get EDD BIOS disk information
*/
{
char eddarg[8];
int do_mbr = 1;
+#ifdef CONFIG_EDD_OFF
+ int do_edd = 0;
+#else
int do_edd = 1;
+#endif
+ int be_quiet;
int devno;
struct edd_info ei, *edp;
u32 *mbrptr;
if (cmdline_find_option("edd", eddarg, sizeof eddarg) > 0) {
- if (!strcmp(eddarg, "skipmbr") || !strcmp(eddarg, "skip"))
+ if (!strcmp(eddarg, "skipmbr") || !strcmp(eddarg, "skip")) {
+ do_edd = 1;
do_mbr = 0;
+ }
else if (!strcmp(eddarg, "off"))
do_edd = 0;
+ else if (!strcmp(eddarg, "on"))
+ do_edd = 1;
}
+ be_quiet = cmdline_find_option_bool("quiet");
+
edp = boot_params.eddbuf;
mbrptr = boot_params.edd_mbr_sig_buffer;
if (!do_edd)
return;
+ /* Bugs in OnBoard or AddOnCards Bios may hang the EDD probe,
+ * so give a hint if this happens.
+ */
+
+ if (!be_quiet)
+ printf("Probing EDD (edd=off to disable)... ");
+
for (devno = 0x80; devno < 0x80+EDD_MBR_SIG_MAX; devno++) {
/*
* Scan the BIOS-supported hard disks and query EDD
if (do_mbr && !read_mbr_sig(devno, &ei, mbrptr++))
boot_params.edd_mbr_sig_buf_entries = devno-0x80+1;
}
+
+ if (!be_quiet)
+ printf("ok\n");
}
#endif