svn commit: r336789 - head/stand/efi/loader

[Rodney W. Grimes]

[ Charset UTF-8 unsupported, converting... ]
> Author: imp
> Date: Fri Jul 27 22:00:00 2018
> New Revision: 336789
> URL: https://svnweb.freebsd.org/changeset/base/336789
> 
> Log:
>   stand debug

Thats a bit brief for a commit message...

> 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.
> 
> 

-- 
Rod Grimes                                                 rgrimes at freebsd.org