1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0 2 # 2 # 3 # Kbuild for top-level directory of the kernel 3 # Kbuild for top-level directory of the kernel 4 4 5 # Prepare global headers and check sanity befo !! 5 ##### 6 # -------------------------------------------- << 7 << 8 # Generate bounds.h 6 # Generate bounds.h 9 7 10 bounds-file := include/generated/bounds.h 8 bounds-file := include/generated/bounds.h 11 9 >> 10 always-y := $(bounds-file) 12 targets := kernel/bounds.s 11 targets := kernel/bounds.s 13 12 14 $(bounds-file): kernel/bounds.s FORCE 13 $(bounds-file): kernel/bounds.s FORCE 15 $(call filechk,offsets,__LINUX_BOUNDS_ 14 $(call filechk,offsets,__LINUX_BOUNDS_H__) 16 15 >> 16 ##### 17 # Generate timeconst.h 17 # Generate timeconst.h 18 18 19 timeconst-file := include/generated/timeconst. 19 timeconst-file := include/generated/timeconst.h 20 20 21 filechk_gentimeconst = echo $(CONFIG_HZ) | bc 21 filechk_gentimeconst = echo $(CONFIG_HZ) | bc -q $< 22 22 23 $(timeconst-file): kernel/time/timeconst.bc FO 23 $(timeconst-file): kernel/time/timeconst.bc FORCE 24 $(call filechk,gentimeconst) 24 $(call filechk,gentimeconst) 25 25 >> 26 ##### 26 # Generate asm-offsets.h 27 # Generate asm-offsets.h 27 28 28 offsets-file := include/generated/asm-offsets. 29 offsets-file := include/generated/asm-offsets.h 29 30 >> 31 always-y += $(offsets-file) 30 targets += arch/$(SRCARCH)/kernel/asm-offsets. 32 targets += arch/$(SRCARCH)/kernel/asm-offsets.s 31 33 32 arch/$(SRCARCH)/kernel/asm-offsets.s: $(timeco 34 arch/$(SRCARCH)/kernel/asm-offsets.s: $(timeconst-file) $(bounds-file) 33 35 34 $(offsets-file): arch/$(SRCARCH)/kernel/asm-of 36 $(offsets-file): arch/$(SRCARCH)/kernel/asm-offsets.s FORCE 35 $(call filechk,offsets,__ASM_OFFSETS_H 37 $(call filechk,offsets,__ASM_OFFSETS_H__) 36 38 >> 39 ##### 37 # Check for missing system calls 40 # Check for missing system calls 38 41 >> 42 always-y += missing-syscalls >> 43 39 quiet_cmd_syscalls = CALL $< 44 quiet_cmd_syscalls = CALL $< 40 cmd_syscalls = $(CONFIG_SHELL) $< $(CC) 45 cmd_syscalls = $(CONFIG_SHELL) $< $(CC) $(c_flags) $(missing_syscalls_flags) 41 46 42 PHONY += missing-syscalls !! 47 missing-syscalls: scripts/checksyscalls.sh $(offsets-file) FORCE 43 missing-syscalls: scripts/checksyscalls.sh $(o << 44 $(call cmd,syscalls) 48 $(call cmd,syscalls) 45 49 46 # Check the manual modification of atomic head !! 50 ##### >> 51 # Check atomic headers are up-to-date >> 52 >> 53 always-y += old-atomics >> 54 >> 55 quiet_cmd_atomics = CALL $< >> 56 cmd_atomics = $(CONFIG_SHELL) $< 47 57 48 quiet_cmd_check_sha1 = CHKSHA1 $< !! 58 old-atomics: scripts/atomic/check-atomics.sh FORCE 49 cmd_check_sha1 = \ !! 59 $(call cmd,atomics) 50 if ! command -v sha1sum >/dev/null; th << 51 echo "warning: cannot check th << 52 exit 0; \ << 53 fi; \ << 54 if [ "$$(sed -n '$$s:// ::p' $<)" != \ << 55 "$$(sed '$$d' $< | sha1sum | sed << 56 echo "error: $< has been modif << 57 exit 1; \ << 58 fi; \ << 59 touch $@ << 60 << 61 atomic-checks += $(addprefix $(obj)/.checked-, << 62 atomic-arch-fallback.h \ << 63 atomic-instrumented.h \ << 64 atomic-long.h) << 65 << 66 targets += $(atomic-checks) << 67 $(atomic-checks): $(obj)/.checked-%: include/l << 68 $(call if_changed,check_sha1) << 69 << 70 # A phony target that depends on all the prepa << 71 << 72 PHONY += prepare << 73 prepare: $(offsets-file) missing-syscalls $(at << 74 @: << 75 << 76 # Ordinary directory descending << 77 # -------------------------------------------- << 78 << 79 obj-y += init/ << 80 obj-y += usr/ << 81 obj-y += arch/$(SRCARCH)/ << 82 obj-y += $(ARCH_CORE) << 83 obj-y += kernel/ << 84 obj-y += certs/ << 85 obj-y += mm/ << 86 obj-y += fs/ << 87 obj-y += ipc/ << 88 obj-y += security/ << 89 obj-y += crypto/ << 90 obj-$(CONFIG_BLOCK) += block/ << 91 obj-$(CONFIG_IO_URING) += io_uring/ << 92 obj-$(CONFIG_RUST) += rust/ << 93 obj-y += $(ARCH_LIB) << 94 obj-y += drivers/ << 95 obj-y += sound/ << 96 obj-$(CONFIG_SAMPLES) += samples/ << 97 obj-$(CONFIG_NET) += net/ << 98 obj-y += virt/ << 99 obj-y += $(ARCH_DRIVERS) <<
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