refactor(tftf): move SIMD/FPU save/restore routine to common lib
- Move FPU routines to common lib
- FPU/SIMD state consist of the 32 SIMD vectors, FPCR and FPSR registers
- Test that FPU/SIMD state are preserved during a context switch
between secure/non-secure.
Signed-off-by: Shruti Gupta <shruti.gupta@arm.com>
Change-Id: I88f0a9f716aafdd634c4eae5b885f839bb3deb00
diff --git a/include/runtime_services/cactus_test_cmds.h b/include/runtime_services/cactus_test_cmds.h
index e52f333..9dc0d90 100644
--- a/include/runtime_services/cactus_test_cmds.h
+++ b/include/runtime_services/cactus_test_cmds.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2021-2022, Arm Limited. All rights reserved.
+ * Copyright (c) 2021-2023, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -283,6 +283,20 @@
}
/**
+ * Request to compare FPU state(SIMD vectors, FPCR, FPSR) content
+ * with previous template values to check a save/restore routine during the
+ * context switches between secure world and normal world.
+ */
+#define CACTUS_CMP_SIMD_VALUE_CMD (CACTUS_REQ_SIMD_FILL_CMD + 1)
+
+static inline struct ffa_value cactus_req_simd_compare_send_cmd(
+ ffa_id_t source, ffa_id_t dest)
+{
+ return cactus_send_cmd(source, dest, CACTUS_CMP_SIMD_VALUE_CMD, 0, 0, 0,
+ 0);
+}
+
+/**
* Command to request cactus to sleep for the given time in ms
*
* The command id is the hex representation of string "sleep"