diff options
| author | Robbie Zhang <robbie.zhang@intel.com> | 2017-02-13 13:44:14 -0800 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2017-02-20 04:46:10 +0100 |
| commit | 18792314d7b8dde596a9c378b2d47516cbd871f4 (patch) | |
| tree | 6fd011d1f959d84f1253268db2d192cf55190f65 /src/arch/x86/Makefile.inc | |
| parent | f296ce91b90ba845b1ff5ca35e98e52e884694cf (diff) | |
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.inc | 1 |
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 |