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authorSumit Garg <sumit.garg@linaro.org>2018-08-01 11:37:41 +0530
committerArd Biesheuvel <ard.biesheuvel@linaro.org>2018-08-01 11:03:45 +0200
commitd65b78f101b3f2845dc20b9556faf3f14904f3c5 (patch)
treec423d6e0041b922a6033e68b3f45472ad528362b /ArmPkg/Include
parent52437cb7633bc1811c53899c8981364c71246a26 (diff)
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ArmPkg: Add initial OpteeLib implementation
This is initial version of OP-TEE library that provides api's to communicate with OP-TEE OS (Trusted OS based on ARM TrustZone) via secure monitor calls. Currently it provides basic api to detect OP-TEE presence via UID matching. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Sumit Garg <sumit.garg@linaro.org> Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Diffstat (limited to 'ArmPkg/Include')
-rw-r--r--ArmPkg/Include/IndustryStandard/ArmStdSmc.h8
-rw-r--r--ArmPkg/Include/Library/OpteeLib.h34
2 files changed, 42 insertions, 0 deletions
diff --git a/ArmPkg/Include/IndustryStandard/ArmStdSmc.h b/ArmPkg/Include/IndustryStandard/ArmStdSmc.h
index 37d0796649..a3df8e5e51 100644
--- a/ArmPkg/Include/IndustryStandard/ArmStdSmc.h
+++ b/ArmPkg/Include/IndustryStandard/ArmStdSmc.h
@@ -111,4 +111,12 @@
#define ARM_SMC_ID_PSCI_AFFINITY_INFO_OFF 1
#define ARM_SMC_ID_PSCI_AFFINITY_INFO_ON_PENDING 2
+/*
+ * SMC function IDs for Trusted OS Service queries
+ */
+#define ARM_SMC_ID_TOS_CALL_COUNT 0xbf00ff00
+#define ARM_SMC_ID_TOS_UID 0xbf00ff01
+/* 0xbf00ff02 is reserved */
+#define ARM_SMC_ID_TOS_REVISION 0xbf00ff03
+
#endif
diff --git a/ArmPkg/Include/Library/OpteeLib.h b/ArmPkg/Include/Library/OpteeLib.h
new file mode 100644
index 0000000000..f65d8674d9
--- /dev/null
+++ b/ArmPkg/Include/Library/OpteeLib.h
@@ -0,0 +1,34 @@
+/** @file
+ OP-TEE specific header file.
+
+ Copyright (c) 2018, Linaro Ltd. All rights reserved.<BR>
+
+ This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef _OPTEE_H_
+#define _OPTEE_H_
+
+/*
+ * The 'Trusted OS Call UID' is supposed to return the following UUID for
+ * OP-TEE OS. This is a 128-bit value.
+ */
+#define OPTEE_OS_UID0 0x384fb3e0
+#define OPTEE_OS_UID1 0xe7f811e3
+#define OPTEE_OS_UID2 0xaf630002
+#define OPTEE_OS_UID3 0xa5d5c51b
+
+BOOLEAN
+EFIAPI
+IsOpteePresent (
+ VOID
+ );
+
+#endif