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authorSughosh Ganu <sughosh.ganu@linaro.org>2019-12-28 21:31:06 +0300
committerHeinrich Schuchardt <xypron.glpk@gmx.de>2020-01-07 20:08:22 +0300
commit33c37d9784168ac75be91e890329712d9a849539 (patch)
tree93a9cd5eb063946daa2b742323da1c2410845a26 /lib
parentf552fa496c9e738afa069dd33578558fe4eb41ee (diff)
downloadu-boot-33c37d9784168ac75be91e890329712d9a849539.tar.xz
efi_rng_protocol: Install the efi_rng_protocol on the root node
Install the EFI_RNG_PROTOCOL implementation for it's subsequent use by the kernel for features like kaslr. Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org> Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Diffstat (limited to 'lib')
-rw-r--r--lib/efi_loader/efi_rng.c2
-rw-r--r--lib/efi_loader/efi_root_node.c4
2 files changed, 6 insertions, 0 deletions
diff --git a/lib/efi_loader/efi_rng.c b/lib/efi_loader/efi_rng.c
index 47aaa6adca..432c986204 100644
--- a/lib/efi_loader/efi_rng.c
+++ b/lib/efi_loader/efi_rng.c
@@ -11,6 +11,8 @@
DECLARE_GLOBAL_DATA_PTR;
+const efi_guid_t efi_guid_rng_protocol = EFI_RNG_PROTOCOL_GUID;
+
__weak efi_status_t platform_get_rng_device(struct udevice **dev)
{
int ret;
diff --git a/lib/efi_loader/efi_root_node.c b/lib/efi_loader/efi_root_node.c
index f68b0fdc61..76d18fb1a4 100644
--- a/lib/efi_loader/efi_root_node.c
+++ b/lib/efi_loader/efi_root_node.c
@@ -81,6 +81,10 @@ efi_status_t efi_root_node_register(void)
&efi_guid_hii_config_routing_protocol,
(void *)&efi_hii_config_routing,
#endif
+#if CONFIG_IS_ENABLED(EFI_RNG_PROTOCOL)
+ &efi_guid_rng_protocol,
+ (void *)&efi_rng_protocol,
+#endif
NULL));
efi_root->type = EFI_OBJECT_TYPE_U_BOOT_FIRMWARE;
return ret;