cryptodev/Kbuild at master · herbertx/cryptodev · GitHub

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# SPDX-License-Identifier: GPL-2.0

# Kbuild for top-level directory of the kernel

# Prepare global headers and check sanity before descending into sub-directories

# ---------------------------------------------------------------------------

# Generate bounds.h

bounds-file := include/generated/bounds.h

targets := kernel/bounds.s

$(bounds-file): kernel/bounds.s FORCE

$(call filechk,offsets,__LINUX_BOUNDS_H__)

# Generate timeconst.h

timeconst-file := include/generated/timeconst.h

filechk_gentimeconst = echo $(CONFIG_HZ) | bc -q $<

$(timeconst-file): kernel/time/timeconst.bc FORCE

$(call filechk,gentimeconst)

# Generate asm-offsets.h

offsets-file := include/generated/asm-offsets.h

targets += arch/$(SRCARCH)/kernel/asm-offsets.s

arch/$(SRCARCH)/kernel/asm-offsets.s: $(timeconst-file) $(bounds-file)

$(offsets-file): arch/$(SRCARCH)/kernel/asm-offsets.s FORCE

$(call filechk,offsets,__ASM_OFFSETS_H__)

# Generate rq-offsets.h

rq-offsets-file := include/generated/rq-offsets.h

targets += kernel/sched/rq-offsets.s

kernel/sched/rq-offsets.s: $(offsets-file)

$(rq-offsets-file): kernel/sched/rq-offsets.s FORCE

$(call filechk,offsets,__RQ_OFFSETS_H__)

# Check for missing system calls

missing-syscalls-file := .tmp_missing-syscalls$(missing_syscalls_instance)

targets += $(missing-syscalls-file)

quiet_cmd_syscalls = CALL $< $(addprefix for ,$(missing_syscalls_instance))

cmd_syscalls = DEPFILE=$(depfile) $(CONFIG_SHELL) $< $(CC) $(c_flags) $(missing_syscalls_flags); touch $@

$(missing-syscalls-file): scripts/checksyscalls.sh $(rq-offsets-file) FORCE

$(call if_changed_dep,syscalls)

PHONY += missing-syscalls

missing-syscalls: $(missing-syscalls-file)

# Check the manual modification of atomic headers

quiet_cmd_check_sha1 = CHKSHA1 $<

cmd_check_sha1 = \

if ! command -v sha1sum >/dev/null; then \

echo "warning: cannot check the header due to sha1sum missing"; \

exit 0; \

fi; \

if [ "$$(sed -n '$$s:// ::p' $<)" != \

"$$(sed '$$d' $< | sha1sum | sed 's/ .*//')" ]; then \

echo "error: $< has been modified." >&2; \

exit 1; \

fi; \

touch $@

atomic-checks += $(addprefix $(obj)/.checked-, \

atomic-arch-fallback.h \

atomic-instrumented.h \

atomic-long.h)

targets += $(atomic-checks)

$(atomic-checks): $(obj)/.checked-%: include/linux/atomic/% FORCE

$(call if_changed,check_sha1)

# A phony target that depends on all the preparation targets

PHONY += prepare

prepare: $(offsets-file) missing-syscalls $(atomic-checks)

# Ordinary directory descending

# ---------------------------------------------------------------------------

obj-y += init/

obj-y += usr/

obj-y += arch/$(SRCARCH)/

obj-y += $(ARCH_CORE)

obj-y += kernel/

obj-y += certs/

obj-y += mm/

obj-y += fs/

obj-y += ipc/

obj-y += security/

obj-y += crypto/

obj-$(CONFIG_BLOCK) += block/

obj-$(CONFIG_IO_URING) += io_uring/

obj-$(CONFIG_RUST) += rust/

obj-y += $(ARCH_LIB)

obj-y += drivers/

obj-y += sound/

obj-$(CONFIG_SAMPLES) += samples/

obj-$(CONFIG_NET) += net/

obj-y += virt/

obj-y += $(ARCH_DRIVERS)

obj-$(CONFIG_DRM_HEADER_TEST) += include/

cryptodev/Kbuild at master · herbertx/cryptodev · GitHub

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