From 405d2eabe075444c77df2d9c7949c1125c120ce3 Mon Sep 17 00:00:00 2001 From: Patrick Rudolph Date: Fri, 2 Feb 2018 14:43:28 +0100 Subject: util/intelmetool: Fix bootguard dump * Fix broken bootguard report on Intel ME 9.5+ * Fix broken debug statement * Add additional rehide_me() * Move last rehide_me() Tested on Lenovo T470p. It shows correct BootGuard state: Verified & Measured Boot. Tested on Lenovo T430. It shows correct BootGuard state: Disabled. Change-Id: Ib6c49ee39dd9962a4981e7de19b1c98c753f2944 Signed-off-by: Patrick Rudolph Reviewed-on: https://review.coreboot.org/25400 Tested-by: build bot (Jenkins) Reviewed-by: Philipp Deppenwiese --- util/intelmetool/intelmetool.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/util/intelmetool/intelmetool.c b/util/intelmetool/intelmetool.c index 66353bc0a9..ae36fc58fc 100644 --- a/util/intelmetool/intelmetool.c +++ b/util/intelmetool/intelmetool.c @@ -323,7 +323,7 @@ static void dump_bootguard_info(void) { struct pci_dev *dev; char namebuf[1024]; - const char *name; + const char *name = NULL; uint64_t bootguard = 0; if (pci_platform_scan()) @@ -343,16 +343,10 @@ static void dump_bootguard_info(void) } } - if (debug) { - printf("BootGuard MSR Output: 0x%" PRIx64 "\n", bootguard); - bootguard &= ~0xff; - } - /* ME_major_ver is zero on some platforms (Mac) */ if (ME_major_ver && (ME_major_ver < 9 || - (ME_major_ver == 9 && ME_minor_ver < 5) || - !BOOTGUARD_CAPABILITY(bootguard))) { + (ME_major_ver == 9 && ME_minor_ver < 5))) { print_cap("BootGuard ", 0); printf(CGRN "\nYour system isn't bootguard ready. You can " "flash other firmware!\n" RESET); @@ -363,15 +357,22 @@ static void dump_bootguard_info(void) if (msr_bootguard(&bootguard, debug) < 0) { printf("ME Capability: %-43s: " CCYN "%s\n" RESET, "BootGuard Mode", "Unknown"); + rehide_me(); return; } + if (debug) { + printf("BootGuard MSR Output: 0x%" PRIx64 "\n", bootguard); + bootguard &= ~0xff; + } + print_cap("BootGuard ", 1); if (pci_read_long(dev, 0x40) & 0x10) printf(CYEL "Your southbridge configuration is insecure!! " "BootGuard keys can be overwritten or wiped, or you are " "in developer mode.\n" RESET); + rehide_me(); switch (bootguard) { case BOOTGUARD_DISABLED: @@ -400,7 +401,6 @@ static void dump_bootguard_info(void) "firmware.\n" RESET); break; } - rehide_me(); } static void print_version(void) -- cgit v1.2.3