xref: /linux/tools/testing/selftests/arm64/mte/Makefile (revision 9a87ffc99ec8eb8d35eed7c4f816d75f5cc9662e)
1e9b60476SAmit Daniel Kachhap# SPDX-License-Identifier: GPL-2.0
2e9b60476SAmit Daniel Kachhap# Copyright (C) 2020 ARM Limited
3e9b60476SAmit Daniel Kachhap
4e5decefdSAndre PrzywaraCFLAGS += -std=gnu99 -I. -pthread
5e5decefdSAndre PrzywaraLDFLAGS += -pthread
6e9b60476SAmit Daniel KachhapSRCS := $(filter-out mte_common_util.c,$(wildcard *.c))
7e9b60476SAmit Daniel KachhapPROGS := $(patsubst %.c,%,$(SRCS))
8e9b60476SAmit Daniel Kachhap
9*343d5911SMark Brownifeq ($(LLVM),)
10*343d5911SMark Brown# For GCC check that the toolchain has MTE support.
11*343d5911SMark Brown
12*343d5911SMark Brown# preserve CC value from top level Makefile
13*343d5911SMark Brownifeq ($(CC),cc)
14*343d5911SMark BrownCC := $(CROSS_COMPILE)gcc
15*343d5911SMark Brownendif
16*343d5911SMark Brown
17e9b60476SAmit Daniel Kachhap#check if the compiler works well
1855c8a987SMark Brownmte_cc_support := $(shell if ($(CC) $(CFLAGS) -march=armv8.5-a+memtag -E -x c /dev/null -o /dev/null 2>&1) then echo "1"; fi)
19e9b60476SAmit Daniel Kachhap
20*343d5911SMark Brownelse
21*343d5911SMark Brown
22*343d5911SMark Brown# All supported clang versions also support MTE.
23*343d5911SMark Brownmte_cc_support := 1
24*343d5911SMark Brown
25*343d5911SMark Brownendif
26*343d5911SMark Brown
27e9b60476SAmit Daniel Kachhapifeq ($(mte_cc_support),1)
28e9b60476SAmit Daniel Kachhap# Generated binaries to be installed by top KSFT script
29e9b60476SAmit Daniel KachhapTEST_GEN_PROGS := $(PROGS)
30e9b60476SAmit Daniel Kachhap
318bbb58a3SAndre Przywaraelse
328bbb58a3SAndre Przywara    $(warning compiler "$(CC)" does not support the ARMv8.5 MTE extension.)
338bbb58a3SAndre Przywara    $(warning test program "mte" will not be created.)
34e9b60476SAmit Daniel Kachhapendif
35e9b60476SAmit Daniel Kachhap
36e9b60476SAmit Daniel Kachhap# Include KSFT lib.mk.
37e9b60476SAmit Daniel Kachhapinclude ../../lib.mk
38e9b60476SAmit Daniel Kachhap
39e9b60476SAmit Daniel Kachhapifeq ($(mte_cc_support),1)
409466ecacSAndre Przywara$(TEST_GEN_PROGS): mte_common_util.c mte_helper.S
41e9b60476SAmit Daniel Kachhapendif
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