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authorSascha Hauer <s.hauer@pengutronix.de>2020-02-18 08:36:45 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2020-02-18 08:36:45 +0100
commit801119922cb086ea7fc9f9194253a180d40581cb (patch)
treedb40f3a353c683ef16b771f11450e689fab32393 /common/optee.c
parentd69b7f3d693887c755671bffab677362f4e4a0b6 (diff)
parentaf1a0da42f9493b2d4266580b15d52946b326ca7 (diff)
downloadbarebox-801119922cb086ea7fc9f9194253a180d40581cb.tar.gz
barebox-801119922cb086ea7fc9f9194253a180d40581cb.tar.xz
Merge branch 'for-next/optee'
Diffstat (limited to 'common/optee.c')
-rw-r--r--common/optee.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/common/optee.c b/common/optee.c
new file mode 100644
index 0000000000..d542dde118
--- /dev/null
+++ b/common/optee.c
@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#define pr_fmt(fmt) "optee: " fmt
+
+#include <tee/optee.h>
+#include <printk.h>
+#include <asm-generic/errno.h>
+
+int optee_verify_header(struct optee_header *hdr)
+{
+ if (hdr->magic != OPTEE_MAGIC) {
+ pr_err("Invalid header magic 0x%08x, expected 0x%08x\n",
+ hdr->magic, OPTEE_MAGIC);
+ return -EINVAL;
+ }
+
+ if (hdr->arch != OPTEE_ARCH_ARM32 || hdr->init_load_addr_hi) {
+ pr_err("Only 32bit supported\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}