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-rw-r--r--include/lib/pmf/aarch32/pmf_asm_macros.S28
1 files changed, 28 insertions, 0 deletions
diff --git a/include/lib/pmf/aarch32/pmf_asm_macros.S b/include/lib/pmf/aarch32/pmf_asm_macros.S
new file mode 100644
index 0000000..1dbb408
--- /dev/null
+++ b/include/lib/pmf/aarch32/pmf_asm_macros.S
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2019, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PMF_ASM_MACROS_S
+#define PMF_ASM_MACROS_S
+
+#define PMF_TS_SIZE 8
+
+ /*
+ * This macro calculates the address of the per-cpu timestamp
+ * for the given service name and local timestamp id.
+ * Clobbers: r0 - r4
+ */
+ .macro pmf_calc_timestamp_addr _name, _tid
+ mov r4, lr
+ bl plat_my_core_pos
+ mov lr, r4
+ ldr r1, =__PERCPU_TIMESTAMP_SIZE__
+ mov r2, #(\_tid * PMF_TS_SIZE)
+ mla r0, r0, r1, r2
+ ldr r1, =pmf_ts_mem_\_name
+ add r0, r0, r1
+ .endm
+
+#endif /* PMF_ASM_MACROS_S */