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authorRobbie Zhang <robbie.zhang@intel.com>2017-02-13 13:44:14 -0800
committerMartin Roth <martinroth@google.com>2017-02-20 04:46:10 +0100
commit18792314d7b8dde596a9c378b2d47516cbd871f4 (patch)
tree6fd011d1f959d84f1253268db2d192cf55190f65 /src/arch/x86/Makefile.inc
parentf296ce91b90ba845b1ff5ca35e98e52e884694cf (diff)
downloadcoreboot-18792314d7b8dde596a9c378b2d47516cbd871f4.tar.xz
arch/x86: add functions to generate random numbers
Using x86 RDRAND instruction, two functions are supplied to generate a 32bit or 64bit number. One potential usage is the sealing key generation for SGX. BUG=chrome-os-partner:62438 BRANCH=NONE TEST=Tested on Eve to generate a 64bit random number. Change-Id: I50cbeda4de17ccf2fc5efc1fe04f6b1a31ec268c Signed-off-by: Robbie Zhang <robbie.zhang@intel.com> Reviewed-on: https://review.coreboot.org/18362 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/arch/x86/Makefile.inc')
-rw-r--r--src/arch/x86/Makefile.inc1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/arch/x86/Makefile.inc b/src/arch/x86/Makefile.inc
index c4bb1cccef..332e8ec6f6 100644
--- a/src/arch/x86/Makefile.inc
+++ b/src/arch/x86/Makefile.inc
@@ -334,6 +334,7 @@ ramstage-$(CONFIG_GENERATE_MP_TABLE) += mpspec.c
ramstage-y += pci_ops_conf1.c
ramstage-$(CONFIG_MMCONF_SUPPORT) += pci_ops_mmconf.c
ramstage-$(CONFIG_GENERATE_PIRQ_TABLE) += pirq_routing.c
+ramstage-y += rdrand.c
ramstage-$(CONFIG_GENERATE_SMBIOS_TABLES) += smbios.c
ramstage-y += tables.c
ramstage-$(CONFIG_COOP_MULTITASKING) += thread.c