^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) # SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) OUTPUT := .output
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) CLANG ?= clang
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) LLC ?= llc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) LLVM_STRIP ?= llvm-strip
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) DEFAULT_BPFTOOL := $(OUTPUT)/sbin/bpftool
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) BPFTOOL ?= $(DEFAULT_BPFTOOL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) LIBBPF_SRC := $(abspath ../../lib/bpf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) BPFOBJ := $(OUTPUT)/libbpf.a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) BPF_INCLUDE := $(OUTPUT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) INCLUDES := -I$(OUTPUT) -I$(BPF_INCLUDE) -I$(abspath ../../lib) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) -I$(abspath ../../include/uapi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) CFLAGS := -g -Wall
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) # Try to detect best kernel BTF source
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) KERNEL_REL := $(shell uname -r)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) VMLINUX_BTF_PATHS := /sys/kernel/btf/vmlinux /boot/vmlinux-$(KERNEL_REL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) VMLINUX_BTF_PATH := $(or $(VMLINUX_BTF),$(firstword \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) $(wildcard $(VMLINUX_BTF_PATHS))))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) abs_out := $(abspath $(OUTPUT))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) ifeq ($(V),1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) Q =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) msg =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) Q = @
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) msg = @printf ' %-8s %s%s\n' "$(1)" "$(notdir $(2))" "$(if $(3), $(3))";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) MAKEFLAGS += --no-print-directory
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) submake_extras := feature_display=0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) .DELETE_ON_ERROR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) .PHONY: all clean runqslower
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) all: runqslower
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) runqslower: $(OUTPUT)/runqslower
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) clean:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) $(call msg,CLEAN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) $(Q)rm -rf $(OUTPUT) runqslower
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) $(OUTPUT)/runqslower: $(OUTPUT)/runqslower.o $(BPFOBJ)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) $(call msg,BINARY,$@)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) $(Q)$(CC) $(CFLAGS) $^ -lelf -lz -o $@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) $(OUTPUT)/runqslower.o: runqslower.h $(OUTPUT)/runqslower.skel.h \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) $(OUTPUT)/runqslower.bpf.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) $(OUTPUT)/runqslower.bpf.o: $(OUTPUT)/vmlinux.h runqslower.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) $(OUTPUT)/%.skel.h: $(OUTPUT)/%.bpf.o | $(BPFTOOL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) $(call msg,GEN-SKEL,$@)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) $(Q)$(BPFTOOL) gen skeleton $< > $@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) $(OUTPUT)/%.bpf.o: %.bpf.c $(BPFOBJ) | $(OUTPUT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) $(call msg,BPF,$@)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) $(Q)$(CLANG) -g -O2 -target bpf $(INCLUDES) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) -c $(filter %.c,$^) -o $@ && \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) $(LLVM_STRIP) -g $@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) $(OUTPUT)/%.o: %.c | $(OUTPUT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) $(call msg,CC,$@)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) $(Q)$(CC) $(CFLAGS) $(INCLUDES) -c $(filter %.c,$^) -o $@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) $(OUTPUT):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) $(call msg,MKDIR,$@)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) $(Q)mkdir -p $(OUTPUT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) $(OUTPUT)/vmlinux.h: $(VMLINUX_BTF_PATH) | $(OUTPUT) $(BPFTOOL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) $(call msg,GEN,$@)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) $(Q)if [ ! -e "$(VMLINUX_BTF_PATH)" ] ; then \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) echo "Couldn't find kernel BTF; set VMLINUX_BTF to" \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) "specify its location." >&2; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) exit 1;\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) fi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) $(Q)$(BPFTOOL) btf dump file $(VMLINUX_BTF_PATH) format c > $@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) $(BPFOBJ): $(wildcard $(LIBBPF_SRC)/*.[ch] $(LIBBPF_SRC)/Makefile) | $(OUTPUT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) $(Q)$(MAKE) $(submake_extras) -C $(LIBBPF_SRC) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) OUTPUT=$(abspath $(dir $@))/ $(abspath $@)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) $(DEFAULT_BPFTOOL):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) $(Q)$(MAKE) $(submake_extras) -C ../bpftool \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) prefix= OUTPUT=$(abs_out)/ DESTDIR=$(abs_out) install
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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