svn commit: r336789 - head/stand/efi/loader
Warner Losh
imp at FreeBSD.org
Fri Jul 27 22:00:01 UTC 2018
Author: imp
Date: Fri Jul 27 22:00:00 2018
New Revision: 336789
URL: https://svnweb.freebsd.org/changeset/base/336789
Log:
stand debug
Modified:
head/stand/efi/loader/main.c
Modified: head/stand/efi/loader/main.c
==============================================================================
--- head/stand/efi/loader/main.c Fri Jul 27 21:50:10 2018 (r336788)
+++ head/stand/efi/loader/main.c Fri Jul 27 22:00:00 2018 (r336789)
@@ -312,6 +312,7 @@ match_boot_info(EFI_LOADED_IMAGE *img __unused, char *
char *kernel = NULL;
FILEPATH_DEVICE_PATH *fp;
struct stat st;
+ CHAR16 *text;
/*
* FreeBSD encodes it's boot loading path into the boot loader
@@ -349,6 +350,11 @@ match_boot_info(EFI_LOADED_IMAGE *img __unused, char *
if ((char *)edp > ep)
return NOT_SPECIFIC;
while (dp < edp) {
+ text = efi_devpath_name(dp);
+ if (text != NULL) {
+ printf(" BootInfo Path: %S\n", text);
+ efi_free_devpath_name(text);
+ }
last_dp = dp;
dp = (EFI_DEVICE_PATH *)((char *)dp + efi_devpath_length(dp));
}
@@ -359,22 +365,31 @@ match_boot_info(EFI_LOADED_IMAGE *img __unused, char *
* path in it. Those show up as various VenHw() nodes
* which are basically opaque to us. Don't count those
* as something specifc.
+ * path in it...
*/
- if (last_dp == first_dp)
+ if (last_dp == first_dp) {
+ printf("Ignoring BootXXX: Only one DP found\n");
return NOT_SPECIFIC;
- if (efi_devpath_to_media_path(last_dp) == NULL)
+ }
+ if (efi_devpath_to_media_path(path) == NULL) {
+ printf("Ignoring BootXXXX: No Media Path\n");
return NOT_SPECIFIC;
+ }
/*
* OK. At this point we either have a good path or a bad one.
* Let's check.
*/
pp = efiblk_get_pdinfo_by_device_path(last_dp);
- if (pp == NULL)
+ if (pp == NULL) {
+ printf("Ignoring BootXXXX: Device Path not found\n");
return BAD_CHOICE;
+ }
set_currdev_pdinfo(pp);
- if (!sanity_check_currdev())
+ if (!sanity_check_currdev()){
+ printf("Ignoring BootXXX: sanity check failed\n");
return BAD_CHOICE;
+ }
/*
* OK. We've found a device that matches, next we need to check the last
@@ -386,20 +401,30 @@ match_boot_info(EFI_LOADED_IMAGE *img __unused, char *
*/
dp = efi_devpath_last_node(last_dp);
if (DevicePathType(dp) != MEDIA_DEVICE_PATH ||
- DevicePathSubType(dp) != MEDIA_FILEPATH_DP)
+ DevicePathSubType(dp) != MEDIA_FILEPATH_DP) {
+ printf("Using BootXXXX for root partition\n");
return (BOOT_INFO_OK); /* use currdir, default kernel */
+ }
fp = (FILEPATH_DEVICE_PATH *)dp;
ucs2_to_utf8(fp->PathName, &kernel);
- if (kernel == NULL)
+ if (kernel == NULL) {
+ printf("Not using BootXXX: can't decode kernel\n");
return (BAD_CHOICE);
+ }
if (*kernel == '\\' || isupper(*kernel))
fix_dosisms(kernel);
if (stat(kernel, &st) != 0) {
free(kernel);
+ printf("Not using BootXXX: can't find %s\n", kernel);
return (BAD_CHOICE);
}
setenv("kernel", kernel, 1);
free(kernel);
+ text = efi_devpath_name(last_dp);
+ if (text) {
+ printf("Using BootXXX %S + %s\n", text, kernel);
+ efi_free_devpath_name(text);
+ }
return (BOOT_INFO_OK);
}
@@ -499,13 +524,22 @@ find_currdev(EFI_LOADED_IMAGE *img, bool do_bootmgr, b
if (sanity_check_currdev())
return (0);
if (dp->pd_parent != NULL) {
+ pdinfo_t *espdp = dp;
dp = dp->pd_parent;
STAILQ_FOREACH(pp, &dp->pd_part, pd_link) {
+ /* Already tried the ESP */
+ if (espdp == pp)
+ continue;
/*
* Roll up the ZFS special case
* for those partitions that have
* zpools on them.
*/
+ text = efi_devpath_name(pp->pd_devpath);
+ if (text != NULL) {
+ printf("Trying: %S\n", text);
+ efi_free_devpath_name(text);
+ }
if (try_as_currdev(dp, pp))
return (0);
}
@@ -798,6 +832,8 @@ main(int argc, CHAR16 *argv[])
}
}
}
+ printf("howto %#x console set to %s\n", howto, getenv("console"));
+
/*
* howto is set now how we want to export the flags to the kernel, so
* set the env based on it.
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