Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) # SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3) BPF_SAMPLES_PATH ?= $(abspath $(srctree)/$(src))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4) TOOLS_PATH := $(BPF_SAMPLES_PATH)/../../tools
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) # List of programs to build
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) tprogs-y := test_lru_dist
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) tprogs-y += sock_example
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) tprogs-y += fds_example
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) tprogs-y += sockex1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) tprogs-y += sockex2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) tprogs-y += sockex3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) tprogs-y += tracex1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) tprogs-y += tracex2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) tprogs-y += tracex3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) tprogs-y += tracex4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) tprogs-y += tracex5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) tprogs-y += tracex6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) tprogs-y += tracex7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) tprogs-y += test_probe_write_user
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) tprogs-y += trace_output
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) tprogs-y += lathist
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) tprogs-y += offwaketime
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) tprogs-y += spintest
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) tprogs-y += map_perf_test
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) tprogs-y += test_overhead
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) tprogs-y += test_cgrp2_array_pin
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) tprogs-y += test_cgrp2_attach
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) tprogs-y += test_cgrp2_sock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) tprogs-y += test_cgrp2_sock2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) tprogs-y += xdp1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) tprogs-y += xdp2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) tprogs-y += xdp_router_ipv4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) tprogs-y += test_current_task_under_cgroup
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) tprogs-y += trace_event
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) tprogs-y += sampleip
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) tprogs-y += tc_l2_redirect
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) tprogs-y += lwt_len_hist
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) tprogs-y += xdp_tx_iptunnel
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) tprogs-y += test_map_in_map
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) tprogs-y += per_socket_stats_example
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) tprogs-y += xdp_redirect
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) tprogs-y += xdp_redirect_map
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) tprogs-y += xdp_redirect_cpu
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) tprogs-y += xdp_monitor
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) tprogs-y += xdp_rxq_info
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) tprogs-y += syscall_tp
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) tprogs-y += cpustat
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) tprogs-y += xdp_adjust_tail
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) tprogs-y += xdpsock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) tprogs-y += xsk_fwd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) tprogs-y += xdp_fwd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) tprogs-y += task_fd_query
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) tprogs-y += xdp_sample_pkts
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) tprogs-y += ibumad
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) tprogs-y += hbm
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) # Libbpf dependencies
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) LIBBPF = $(TOOLS_PATH)/lib/bpf/libbpf.a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) CGROUP_HELPERS := ../../tools/testing/selftests/bpf/cgroup_helpers.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) TRACE_HELPERS := ../../tools/testing/selftests/bpf/trace_helpers.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) fds_example-objs := fds_example.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) sockex1-objs := sockex1_user.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) sockex2-objs := sockex2_user.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) sockex3-objs := sockex3_user.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) tracex1-objs := tracex1_user.o $(TRACE_HELPERS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) tracex2-objs := tracex2_user.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) tracex3-objs := tracex3_user.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) tracex4-objs := tracex4_user.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) tracex5-objs := tracex5_user.o $(TRACE_HELPERS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) tracex6-objs := tracex6_user.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) tracex7-objs := tracex7_user.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) test_probe_write_user-objs := test_probe_write_user_user.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) trace_output-objs := trace_output_user.o $(TRACE_HELPERS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) lathist-objs := lathist_user.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) offwaketime-objs := offwaketime_user.o $(TRACE_HELPERS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) spintest-objs := spintest_user.o $(TRACE_HELPERS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) map_perf_test-objs := map_perf_test_user.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) test_overhead-objs := bpf_load.o test_overhead_user.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) test_cgrp2_array_pin-objs := test_cgrp2_array_pin.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) test_cgrp2_attach-objs := test_cgrp2_attach.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) test_cgrp2_sock-objs := test_cgrp2_sock.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) test_cgrp2_sock2-objs := bpf_load.o test_cgrp2_sock2.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) xdp1-objs := xdp1_user.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) # reuse xdp1 source intentionally
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) xdp2-objs := xdp1_user.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) xdp_router_ipv4-objs := xdp_router_ipv4_user.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) test_current_task_under_cgroup-objs := $(CGROUP_HELPERS) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 				       test_current_task_under_cgroup_user.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) trace_event-objs := trace_event_user.o $(TRACE_HELPERS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) sampleip-objs := sampleip_user.o $(TRACE_HELPERS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) tc_l2_redirect-objs := bpf_load.o tc_l2_redirect_user.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) lwt_len_hist-objs := bpf_load.o lwt_len_hist_user.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) xdp_tx_iptunnel-objs := xdp_tx_iptunnel_user.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) test_map_in_map-objs := test_map_in_map_user.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) per_socket_stats_example-objs := cookie_uid_helper_example.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) xdp_redirect-objs := xdp_redirect_user.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) xdp_redirect_map-objs := xdp_redirect_map_user.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) xdp_redirect_cpu-objs := xdp_redirect_cpu_user.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) xdp_monitor-objs := xdp_monitor_user.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) xdp_rxq_info-objs := xdp_rxq_info_user.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) syscall_tp-objs := syscall_tp_user.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) cpustat-objs := cpustat_user.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) xdp_adjust_tail-objs := xdp_adjust_tail_user.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) xdpsock-objs := xdpsock_user.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) xsk_fwd-objs := xsk_fwd.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) xdp_fwd-objs := xdp_fwd_user.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) task_fd_query-objs := bpf_load.o task_fd_query_user.o $(TRACE_HELPERS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) xdp_sample_pkts-objs := xdp_sample_pkts_user.o $(TRACE_HELPERS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) ibumad-objs := bpf_load.o ibumad_user.o $(TRACE_HELPERS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) hbm-objs := bpf_load.o hbm.o $(CGROUP_HELPERS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) # Tell kbuild to always build the programs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) always-y := $(tprogs-y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) always-y += sockex1_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) always-y += sockex2_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) always-y += sockex3_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) always-y += tracex1_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) always-y += tracex2_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) always-y += tracex3_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) always-y += tracex4_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) always-y += tracex5_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) always-y += tracex6_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) always-y += tracex7_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) always-y += sock_flags_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) always-y += test_probe_write_user_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) always-y += trace_output_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) always-y += tcbpf1_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) always-y += tc_l2_redirect_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) always-y += lathist_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) always-y += offwaketime_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) always-y += spintest_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) always-y += map_perf_test_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) always-y += test_overhead_tp_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) always-y += test_overhead_raw_tp_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) always-y += test_overhead_kprobe_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) always-y += parse_varlen.o parse_simple.o parse_ldabs.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) always-y += test_cgrp2_tc_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) always-y += xdp1_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) always-y += xdp2_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) always-y += xdp_router_ipv4_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) always-y += test_current_task_under_cgroup_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) always-y += trace_event_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) always-y += sampleip_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) always-y += lwt_len_hist_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) always-y += xdp_tx_iptunnel_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) always-y += test_map_in_map_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) always-y += tcp_synrto_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) always-y += tcp_rwnd_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) always-y += tcp_bufs_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) always-y += tcp_cong_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) always-y += tcp_iw_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) always-y += tcp_clamp_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) always-y += tcp_basertt_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) always-y += tcp_tos_reflect_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) always-y += tcp_dumpstats_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) always-y += xdp_redirect_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) always-y += xdp_redirect_map_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) always-y += xdp_redirect_cpu_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) always-y += xdp_monitor_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) always-y += xdp_rxq_info_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) always-y += xdp2skb_meta_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) always-y += syscall_tp_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) always-y += cpustat_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) always-y += xdp_adjust_tail_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) always-y += xdp_fwd_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) always-y += task_fd_query_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) always-y += xdp_sample_pkts_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) always-y += ibumad_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) always-y += hbm_out_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) always-y += hbm_edt_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) always-y += xdpsock_kern.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) ifeq ($(ARCH), arm)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) # Strip all except -D__LINUX_ARM_ARCH__ option needed to handle linux
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) # headers when arm instruction set identification is requested.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) ARM_ARCH_SELECTOR := $(filter -D__LINUX_ARM_ARCH__%, $(KBUILD_CFLAGS))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) BPF_EXTRA_CFLAGS := $(ARM_ARCH_SELECTOR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) TPROGS_CFLAGS += $(ARM_ARCH_SELECTOR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) TPROGS_CFLAGS += -Wall -O2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) TPROGS_CFLAGS += -Wmissing-prototypes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) TPROGS_CFLAGS += -Wstrict-prototypes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) TPROGS_CFLAGS += -I$(objtree)/usr/include
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) TPROGS_CFLAGS += -I$(srctree)/tools/testing/selftests/bpf/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) TPROGS_CFLAGS += -I$(srctree)/tools/lib/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) TPROGS_CFLAGS += -I$(srctree)/tools/include
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) TPROGS_CFLAGS += -I$(srctree)/tools/perf
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) TPROGS_CFLAGS += -DHAVE_ATTR_TEST=0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) ifdef SYSROOT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) TPROGS_CFLAGS += --sysroot=$(SYSROOT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) TPROGS_LDFLAGS := -L$(SYSROOT)/usr/lib
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) TPROGCFLAGS_bpf_load.o += -Wno-unused-variable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) TPROGS_LDLIBS			+= $(LIBBPF) -lelf -lz
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) TPROGLDLIBS_tracex4		+= -lrt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) TPROGLDLIBS_trace_output	+= -lrt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) TPROGLDLIBS_map_perf_test	+= -lrt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) TPROGLDLIBS_test_overhead	+= -lrt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) TPROGLDLIBS_xdpsock		+= -pthread
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) TPROGLDLIBS_xsk_fwd		+= -pthread
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) # Allows pointing LLC/CLANG to a LLVM backend with bpf support, redefine on cmdline:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) #  make M=samples/bpf/ LLC=~/git/llvm/build/bin/llc CLANG=~/git/llvm/build/bin/clang
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) LLC ?= llc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) CLANG ?= clang
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) OPT ?= opt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) LLVM_DIS ?= llvm-dis
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) LLVM_OBJCOPY ?= llvm-objcopy
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) BTF_PAHOLE ?= pahole
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) # Detect that we're cross compiling and use the cross compiler
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) ifdef CROSS_COMPILE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) CLANG_ARCH_ARGS = --target=$(notdir $(CROSS_COMPILE:%-=%))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) # Don't evaluate probes and warnings if we need to run make recursively
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) ifneq ($(src),)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) HDR_PROBE := $(shell printf "\#include <linux/types.h>\n struct list_head { int a; }; int main() { return 0; }" | \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 	$(CC) $(TPROGS_CFLAGS) $(TPROGS_LDFLAGS) -x c - \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 	-o /dev/null 2>/dev/null && echo okay)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) ifeq ($(HDR_PROBE),)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) $(warning WARNING: Detected possible issues with include path.)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) $(warning WARNING: Please install kernel headers locally (make headers_install).)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) BTF_LLC_PROBE := $(shell $(LLC) -march=bpf -mattr=help 2>&1 | grep dwarfris)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) BTF_PAHOLE_PROBE := $(shell $(BTF_PAHOLE) --help 2>&1 | grep BTF)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) BTF_OBJCOPY_PROBE := $(shell $(LLVM_OBJCOPY) --help 2>&1 | grep -i 'usage.*llvm')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) BTF_LLVM_PROBE := $(shell echo "int main() { return 0; }" | \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 			  $(CLANG) -target bpf -O2 -g -c -x c - -o ./llvm_btf_verify.o; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 			  readelf -S ./llvm_btf_verify.o | grep BTF; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 			  /bin/rm -f ./llvm_btf_verify.o)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) BPF_EXTRA_CFLAGS += -fno-stack-protector
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) ifneq ($(BTF_LLVM_PROBE),)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 	BPF_EXTRA_CFLAGS += -g
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) ifneq ($(and $(BTF_LLC_PROBE),$(BTF_PAHOLE_PROBE),$(BTF_OBJCOPY_PROBE)),)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 	BPF_EXTRA_CFLAGS += -g
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 	LLC_FLAGS += -mattr=dwarfris
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 	DWARF2BTF = y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) # Trick to allow make to be run from this directory
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) all:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 	$(MAKE) -C ../../ M=$(CURDIR) BPF_SAMPLES_PATH=$(CURDIR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) clean:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 	$(MAKE) -C ../../ M=$(CURDIR) clean
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 	@find $(CURDIR) -type f -name '*~' -delete
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) $(LIBBPF): FORCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) # Fix up variables inherited from Kbuild that tools/ build system won't like
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 	$(MAKE) -C $(dir $@) RM='rm -rf' EXTRA_CFLAGS="$(TPROGS_CFLAGS)" \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 		LDFLAGS=$(TPROGS_LDFLAGS) srctree=$(BPF_SAMPLES_PATH)/../../ O=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) $(obj)/syscall_nrs.h:	$(obj)/syscall_nrs.s FORCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 	$(call filechk,offsets,__SYSCALL_NRS_H__)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) targets += syscall_nrs.s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) clean-files += syscall_nrs.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) FORCE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) # Verify LLVM compiler tools are available and bpf target is supported by llc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) .PHONY: verify_cmds verify_target_bpf $(CLANG) $(LLC)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) verify_cmds: $(CLANG) $(LLC)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 	@for TOOL in $^ ; do \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 		if ! (which -- "$${TOOL}" > /dev/null 2>&1); then \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 			echo "*** ERROR: Cannot find LLVM tool $${TOOL}" ;\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 			exit 1; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 		else true; fi; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 	done
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) verify_target_bpf: verify_cmds
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 	@if ! (${LLC} -march=bpf -mattr=help > /dev/null 2>&1); then \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 		echo "*** ERROR: LLVM (${LLC}) does not support 'bpf' target" ;\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 		echo "   NOTICE: LLVM version >= 3.7.1 required" ;\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 		exit 2; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 	else true; fi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) $(BPF_SAMPLES_PATH)/*.c: verify_target_bpf $(LIBBPF)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) $(src)/*.c: verify_target_bpf $(LIBBPF)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) $(obj)/tracex5_kern.o: $(obj)/syscall_nrs.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) $(obj)/hbm_out_kern.o: $(src)/hbm.h $(src)/hbm_kern.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) $(obj)/hbm.o: $(src)/hbm.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) $(obj)/hbm_edt_kern.o: $(src)/hbm.h $(src)/hbm_kern.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) -include $(BPF_SAMPLES_PATH)/Makefile.target
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) # asm/sysreg.h - inline assembly used by it is incompatible with llvm.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) # But, there is no easy way to fix it, so just exclude it since it is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) # useless for BPF samples.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) # below we use long chain of commands, clang | opt | llvm-dis | llc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) # to generate final object file. 'clang' compiles the source into IR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) # with native target, e.g., x64, arm64, etc. 'opt' does bpf CORE IR builtin
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) # processing (llvm12) and IR optimizations. 'llvm-dis' converts
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) # 'opt' output to IR, and finally 'llc' generates bpf byte code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) $(obj)/%.o: $(src)/%.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 	@echo "  CLANG-bpf " $@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 	$(Q)$(CLANG) $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(BPF_EXTRA_CFLAGS) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 		-I$(obj) -I$(srctree)/tools/testing/selftests/bpf/ \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 		-I$(srctree)/tools/lib/ \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 		-D__KERNEL__ -D__BPF_TRACING__ -Wno-unused-value -Wno-pointer-sign \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 		-D__TARGET_ARCH_$(SRCARCH) -Wno-compare-distinct-pointer-types \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 		-Wno-gnu-variable-sized-type-not-at-end \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 		-Wno-address-of-packed-member -Wno-tautological-compare \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 		-Wno-unknown-warning-option $(CLANG_ARCH_ARGS) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 		-I$(srctree)/samples/bpf/ -include asm_goto_workaround.h \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 		-O2 -emit-llvm -Xclang -disable-llvm-passes -c $< -o - | \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 		$(OPT) -O2 -mtriple=bpf-pc-linux | $(LLVM_DIS) | \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 		$(LLC) -march=bpf $(LLC_FLAGS) -filetype=obj -o $@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) ifeq ($(DWARF2BTF),y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 	$(BTF_PAHOLE) -J $@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) endif