Trusted Firmware-A Tests, version 2.0
This is the first public version of the tests for the Trusted
Firmware-A project. Please see the documentation provided in the
source tree for more details.
Change-Id: I6f3452046a1351ac94a71b3525c30a4ca8db7867
Signed-off-by: Sandrine Bailleux <sandrine.bailleux@arm.com>
Co-authored-by: amobal01 <amol.balasokamble@arm.com>
Co-authored-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
Co-authored-by: Asha R <asha.r@arm.com>
Co-authored-by: Chandni Cherukuri <chandni.cherukuri@arm.com>
Co-authored-by: David Cunado <david.cunado@arm.com>
Co-authored-by: Dimitris Papastamos <dimitris.papastamos@arm.com>
Co-authored-by: Douglas Raillard <douglas.raillard@arm.com>
Co-authored-by: dp-arm <dimitris.papastamos@arm.com>
Co-authored-by: Jeenu Viswambharan <jeenu.viswambharan@arm.com>
Co-authored-by: Jonathan Wright <jonathan.wright@arm.com>
Co-authored-by: Kévin Petit <kevin.petit@arm.com>
Co-authored-by: Roberto Vargas <roberto.vargas@arm.com>
Co-authored-by: Sathees Balya <sathees.balya@arm.com>
Co-authored-by: Shawon Roy <Shawon.Roy@arm.com>
Co-authored-by: Soby Mathew <soby.mathew@arm.com>
Co-authored-by: Thomas Abraham <thomas.abraham@arm.com>
Co-authored-by: Vikram Kanigiri <vikram.kanigiri@arm.com>
Co-authored-by: Yatharth Kochar <yatharth.kochar@arm.com>
diff --git a/spm/common/aarch64/sp_arch_helpers.S b/spm/common/aarch64/sp_arch_helpers.S
new file mode 100644
index 0000000..11f4087
--- /dev/null
+++ b/spm/common/aarch64/sp_arch_helpers.S
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2018, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <asm_macros.S>
+
+ .globl sp_svc
+
+func sp_svc
+ /*
+ * Save the address of the svc_args structure on the stack.
+ *
+ * Although x0 contains an 8-byte value, we are allocating 16 bytes
+ * on the stack to respect the 16-byte stack-alignment.
+ */
+ str x0, [sp, #-16]!
+
+ /* Load the SVC arguments values into the appropriate registers. */
+ ldp x6, x7, [x0, #48]
+ ldp x4, x5, [x0, #32]
+ ldp x2, x3, [x0, #16]
+ ldp x0, x1, [x0, #0]
+
+ svc #0
+
+ /*
+ * Pop the svc_args structure address from the stack into a caller-saved
+ * register.
+ */
+ ldr x9, [sp], #16
+
+ /*
+ * The return values are stored in x0-x3, put them in the svc_args
+ * return structure.
+ */
+ stp x0, x1, [x9, #0]
+ stp x2, x3, [x9, #16]
+ ret
+endfunc sp_svc