Date: Mon, 8 Sep 2014 21:10:51 +0000 (UTC) From: Ed Maste <emaste@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r271289 - stable/10/sys/amd64/amd64 Message-ID: <201409082110.s88LAppo096922@svn.freebsd.org>
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Author: emaste Date: Mon Sep 8 21:10:51 2014 New Revision: 271289 URL: http://svnweb.freebsd.org/changeset/base/271289 Log: MFC r265014: Report boot method (BIOS/UEFI) via sysctl machdep.bootmethod Approved by: re Sponsored by: The FreeBSD Foundation Modified: stable/10/sys/amd64/amd64/machdep.c Directory Properties: stable/10/ (props changed) Modified: stable/10/sys/amd64/amd64/machdep.c ============================================================================== --- stable/10/sys/amd64/amd64/machdep.c Mon Sep 8 19:40:59 2014 (r271288) +++ stable/10/sys/amd64/amd64/machdep.c Mon Sep 8 21:10:51 2014 (r271289) @@ -1519,6 +1519,10 @@ add_efi_map_entries(struct efi_map_heade } } +static char bootmethod[16] = ""; +SYSCTL_STRING(_machdep, OID_AUTO, bootmethod, CTLFLAG_RD, bootmethod, 0, + "System firmware boot method"); + /* * Populate the (physmap) array with base/bound pairs describing the * available physical memory in the system, then test this memory and @@ -1549,12 +1553,15 @@ getmemsize(caddr_t kmdp, u_int64_t first smapbase = (struct bios_smap *)preload_search_info(kmdp, MODINFO_METADATA | MODINFOMD_SMAP); - if (efihdr != NULL) + if (efihdr != NULL) { add_efi_map_entries(efihdr, physmap, &physmap_idx); - else if (smapbase != NULL) + strlcpy(bootmethod, "UEFI", sizeof(bootmethod)); + } else if (smapbase != NULL) { add_smap_entries(smapbase, physmap, &physmap_idx); - else + strlcpy(bootmethod, "BIOS", sizeof(bootmethod)); + } else { panic("No BIOS smap or EFI map info from loader!"); + } /* * Find the 'base memory' segment for SMP
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