tools/testing/selftests/arm64/Makefile

   1 # SPDX-License-Identifier: GPL-2.0
   2
   3 # When ARCH not overridden for crosscompiling, lookup machine
   4 ARCH ?= $(shell uname -m 2>/dev/null || echo not)
   5
   6 ifneq (,$(filter $(ARCH),aarch64 arm64))
   7 ARM64_SUBTARGETS ?= tags signal
   8 else
   9 ARM64_SUBTARGETS :=
  10 endif
  11
  12 CFLAGS := -Wall -O2 -g
  13
  14 # A proper top_srcdir is needed by KSFT(lib.mk)
  15 top_srcdir = $(realpath ../../../../)
  16
  17 # Additional include paths needed by kselftest.h and local headers
  18 CFLAGS += -I$(top_srcdir)/tools/testing/selftests/
  19
  20 # Guessing where the Kernel headers could have been installed
  21 # depending on ENV config
  22 ifeq ($(KBUILD_OUTPUT),)
  23 khdr_dir = $(top_srcdir)/usr/include
  24 else
  25 # the KSFT preferred location when KBUILD_OUTPUT is set
  26 khdr_dir = $(KBUILD_OUTPUT)/kselftest/usr/include
  27 endif
  28
  29 CFLAGS += -I$(khdr_dir)
  30
  31 export CFLAGS
  32 export top_srcdir
  33
  34 all:
  35         @for DIR in $(ARM64_SUBTARGETS); do                             \
  36                 BUILD_TARGET=$(OUTPUT)/$$DIR;                   \
  37                 mkdir -p $$BUILD_TARGET;                        \
  38                 make OUTPUT=$$BUILD_TARGET -C $$DIR $@;         \
  39         done
  40
  41 install: all
  42         @for DIR in $(ARM64_SUBTARGETS); do                             \
  43                 BUILD_TARGET=$(OUTPUT)/$$DIR;                   \
  44                 make OUTPUT=$$BUILD_TARGET -C $$DIR $@;         \
  45         done
  46
  47 run_tests: all
  48         @for DIR in $(ARM64_SUBTARGETS); do                             \
  49                 BUILD_TARGET=$(OUTPUT)/$$DIR;                   \
  50                 make OUTPUT=$$BUILD_TARGET -C $$DIR $@;         \
  51         done
  52
  53 # Avoid any output on non arm64 on emit_tests
  54 emit_tests: all
  55         @for DIR in $(ARM64_SUBTARGETS); do                             \
  56                 BUILD_TARGET=$(OUTPUT)/$$DIR;                   \
  57                 make OUTPUT=$$BUILD_TARGET -C $$DIR $@;         \
  58         done
  59
  60 clean:
  61         @for DIR in $(ARM64_SUBTARGETS); do                             \
  62                 BUILD_TARGET=$(OUTPUT)/$$DIR;                   \
  63                 make OUTPUT=$$BUILD_TARGET -C $$DIR $@;         \
  64         done
  65
  66 .PHONY: all clean install run_tests emit_tests