1 # SPDX-License-Identifier: GPL-2.0 <<
2 # 1 #
3 # Makefile for the linux kernel. 2 # Makefile for the linux kernel.
4 # 3 #
>> 4 # Note! Dependencies are done automagically by 'make dep', which also
>> 5 # removes any old dependencies. DON'T put your own dependencies here
>> 6 # unless it's something special (ie not a .c file).
>> 7 #
>> 8 # Note 2! The CFLAGS definitions are now in the main makefile...
5 9
6 CFLAGS_armv8_deprecated.o := -I$(src) !! 10 USE_STANDARD_AS_RULE := true
7 <<
8 CFLAGS_REMOVE_ftrace.o = $(CC_FLAGS_FTRACE) <<
9 CFLAGS_REMOVE_insn.o = $(CC_FLAGS_FTRACE) <<
10 CFLAGS_REMOVE_return_address.o = $(CC_FLAGS_FT <<
11 <<
12 # Remove stack protector to avoid triggering u <<
13 # checks due to randomize_kstack_offset. <<
14 CFLAGS_REMOVE_syscall.o = -fstack-protector - <<
15 CFLAGS_syscall.o += -fno-stack-protecto <<
16 <<
17 # When KASAN is enabled, a stack trace is reco <<
18 # can significantly impact performance. Avoid <<
19 # collection code to minimize this impact. <<
20 KASAN_SANITIZE_stacktrace.o := n <<
21 <<
22 # It's not safe to invoke KCOV when portions o <<
23 # available or are out-of-sync with HW state. <<
24 # inhibit KCOV instrumentation, disable it for <<
25 KCOV_INSTRUMENT_entry-common.o := n <<
26 KCOV_INSTRUMENT_idle.o := n <<
27 <<
28 # Object file lists. <<
29 obj-y := debug-monitors.o en <<
30 entry-common.o entr <<
31 setup.o signal.o sy <<
32 io.o vdso.o hyp-stu <<
33 return_address.o cp <<
34 cpufeature.o altern <<
35 smp.o smp_spin_tabl <<
36 syscall.o proton-pa <<
37 <<
38 obj-$(CONFIG_COMPAT) += sys <<
39 sys <<
40 obj-$(CONFIG_COMPAT) += sig <<
41 obj-$(CONFIG_COMPAT_ALIGNMENT_FIXUPS) += com <<
42 obj-$(CONFIG_KUSER_HELPERS) += kus <<
43 obj-$(CONFIG_FUNCTION_TRACER) += ftr <<
44 obj-$(CONFIG_MODULES) += mod <<
45 obj-$(CONFIG_PERF_EVENTS) += per <<
46 obj-$(CONFIG_HARDLOCKUP_DETECTOR_PERF) += wat <<
47 obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_ <<
48 obj-$(CONFIG_CPU_PM) += sle <<
49 obj-$(CONFIG_JUMP_LABEL) += jum <<
50 obj-$(CONFIG_KGDB) += kgd <<
51 obj-$(CONFIG_EFI) += efi <<
52 obj-$(CONFIG_PCI) += pci <<
53 obj-$(CONFIG_ARMV8_DEPRECATED) += arm <<
54 obj-$(CONFIG_ACPI) += acp <<
55 obj-$(CONFIG_ACPI_NUMA) += acp <<
56 obj-$(CONFIG_ARM64_ACPI_PARKING_PROTOCOL) <<
57 obj-$(CONFIG_PARAVIRT) += par <<
58 obj-$(CONFIG_RANDOMIZE_BASE) += kas <<
59 obj-$(CONFIG_HIBERNATION) += hib <<
60 obj-$(CONFIG_ELF_CORE) += elf <<
61 obj-$(CONFIG_KEXEC_CORE) += mac <<
62 cpu <<
63 obj-$(CONFIG_KEXEC_FILE) += mac <<
64 obj-$(CONFIG_ARM64_RELOC_TEST) += arm <<
65 arm64-reloc-test-y := reloc_test_core.o reloc_ <<
66 obj-$(CONFIG_CRASH_DUMP) += cra <<
67 obj-$(CONFIG_VMCORE_INFO) += vmc <<
68 obj-$(CONFIG_ARM_SDE_INTERFACE) += sde <<
69 obj-$(CONFIG_ARM64_PTR_AUTH) += poi <<
70 obj-$(CONFIG_ARM64_MTE) += mte <<
71 obj-y += vds <<
72 obj-$(CONFIG_COMPAT_VDSO) += vds <<
73 <<
74 # Force dependency (vdso*-wrap.S includes vdso <<
75 $(obj)/vdso-wrap.o: $(obj)/vdso/vdso.so <<
76 $(obj)/vdso32-wrap.o: $(obj)/vdso32/vdso.so <<
77 <<
78 obj-y += pro <<
79 obj-y += hea <<
80 extra-y += vml <<
81 11
82 ifeq ($(CONFIG_DEBUG_EFI),y) !! 12 ifdef CONFIG_PPC64BRIDGE
83 AFLAGS_head.o += -DVMLINUX_PATH="\"$(realpath !! 13 EXTRA_AFLAGS := -Wa,-mppc64bridge
>> 14 endif
>> 15 ifdef CONFIG_4xx
>> 16 EXTRA_AFLAGS := -Wa,-m405
84 endif 17 endif
85 18
86 # for cleaning !! 19 # Code in these files is used before the kernel is moved to its final position
87 subdir- += vdso vdso32 !! 20 CFLAGS_prom_init.o += -mrelocatable-lib
>> 21 CFLAGS_btext.o += -mrelocatable-lib
>> 22
>> 23 # Start off with 'head.o', change as needed.
>> 24 HEAD-y := head.o
>> 25 HEAD-$(CONFIG_6xx) += idle_6xx.o
>> 26 HEAD-$(CONFIG_40x) := head_4xx.o
>> 27 HEAD-$(CONFIG_44x) := head_44x.o
>> 28 HEAD-$(CONFIG_8xx) := head_8xx.o
>> 29
>> 30 all: $(HEAD-y) kernel.o
>> 31
>> 32 O_TARGET := kernel.o
>> 33
>> 34 export-objs := ppc_ksyms.o time.o ocp.o ppc4xx_setup.o \
>> 35 ppc4xx_dma.o ppc4xx_sgdma.o \
>> 36 ppc4xx_stbdma.o
>> 37
>> 38 obj-y := entry.o traps.o irq.o idle.o time.o misc.o \
>> 39 process.o signal.o ptrace.o align.o \
>> 40 semaphore.o syscalls.o setup.o \
>> 41 cputable.o ppc_htab.o
>> 42 ifneq ($(CONFIG_6xx),y)
>> 43 obj-y += idle_gen.o
>> 44 endif
>> 45 obj-$(CONFIG_6xx) += l2cr.o cpu_setup_6xx.o
>> 46 obj-$(CONFIG_MODULES) += ppc_ksyms.o
>> 47 obj-$(CONFIG_PCI) += pci.o
>> 48 obj-$(CONFIG_PCI) += pci-dma.o
>> 49 obj-$(CONFIG_KGDB) += ppc-stub.o
>> 50 obj-$(CONFIG_PPCBUG_NVRAM) += prep_nvram.o
>> 51 obj-$(CONFIG_SMP) += smp.o
>> 52 obj-$(CONFIG_TAU) += temp.o
>> 53 ifeq ($(CONFIG_SERIAL)$(CONFIG_GEN550),yy)
>> 54 obj-$(CONFIG_KGDB) += gen550_kgdb.o gen550_dbg.o
>> 55 obj-$(CONFIG_SERIAL_TEXT_DEBUG) += gen550_dbg.o
>> 56 endif
>> 57 obj-$(CONFIG_PPC_OCP) += ocp.o
>> 58 obj-$(CONFIG_40x) += ppc4xx_setup.o ppc4xx_pic.o
>> 59 obj-$(CONFIG_4xx) += todc_time.o
>> 60 obj-$(CONFIG_STBXXX_DMA) += ppc4xx_stbdma.o
>> 61 ifeq ($(CONFIG_PCI),y)
>> 62 obj-$(CONFIG_40x) += ppc405_pci.o
>> 63 obj-$(CONFIG_4xx) += indirect_pci.o pci_auto.o
>> 64 endif
>> 65 obj-$(CONFIG_44x) += ppc4xx_pic.o ibm44x_common.o
>> 66 obj-$(CONFIG_440GP) += ibm440gp_common.o
>> 67 obj-$(CONFIG_440GX) += ibm440gx_common.o
>> 68 obj-$(CONFIG_PPC4xx_DMA) += ppc4xx_dma.o
>> 69 obj-$(CONFIG_PPC4xx_EDMA) += ppc4xx_sgdma.o
>> 70 obj-$(CONFIG_8xx) += m8xx_setup.o ppc8xx_pic.o
>> 71 obj-$(CONFIG_8xx_WDT) += m8xx_wdt.o
>> 72 ifeq ($(CONFIG_8xx),y)
>> 73 obj-$(CONFIG_PCI) += qspan_pci.o
>> 74 ifndef CONFIG_MATH_EMULATION
>> 75 obj-y += softemu8xx.o
>> 76 endif
>> 77 endif
>> 78 obj-$(CONFIG_MBX) += i8259.o
>> 79 obj-$(CONFIG_ALL_PPC) += prom_init.o prom.o open_pic.o \
>> 80 indirect_pci.o i8259.o
>> 81 obj-$(CONFIG_GEMINI) += open_pic.o
>> 82 obj-$(CONFIG_LOPEC) += mpc10x_common.o indirect_pci.o pci_auto.o \
>> 83 open_pic.o i8259.o todc_time.o
>> 84 obj-$(CONFIG_PAL4) += indirect_pci.o pci_auto.o todc_time.o
>> 85 obj-$(CONFIG_PPLUS) += pplus_common.o open_pic.o i8259.o \
>> 86 indirect_pci.o todc_time.o pci_auto.o
>> 87 obj-$(CONFIG_PRPMC750) += open_pic.o indirect_pci.o pci_auto.o \
>> 88 pplus_common.o
>> 89 obj-$(CONFIG_SANDPOINT) += i8259.o open_pic.o mpc10x_common.o \
>> 90 pci_auto.o indirect_pci.o todc_time.o
>> 91 obj-$(CONFIG_SPRUCE) += indirect_pci.o pci_auto.o todc_time.o
>> 92 obj-$(CONFIG_8260) += m8260_setup.o cpm2_pic.o
>> 93 obj-$(CONFIG_BOOTX_TEXT) += btext.o
>> 94
>> 95 include $(TOPDIR)/Rules.make
>> 96
>> 97 entry.o: entry.S ppc_defs.h
>> 98 misc.o: misc.S ppc_defs.h
>> 99 l2cr.o: l2cr.S ppc_defs.h
>> 100 head.o: head.S ppc_defs.h
>> 101 head_4xx.o: head_4xx.S ppc_defs.h
>> 102 head_44x.o: head_44x.S ppc_defs.h
>> 103 head_8xx.o: head_8xx.S ppc_defs.h
>> 104 idle_6xx.o: idle_6xx.S ppc_defs.h
>> 105
>> 106 ppc_defs.h: mk_defs.c ppc_defs.head \
>> 107 $(TOPDIR)/include/asm/mmu.h \
>> 108 $(TOPDIR)/include/asm/processor.h \
>> 109 $(TOPDIR)/include/asm/pgtable.h \
>> 110 $(TOPDIR)/include/asm/ptrace.h
>> 111 $(CC) $(CFLAGS) -S mk_defs.c
>> 112 cp ppc_defs.head ppc_defs.h
>> 113 # for bk, this way we can write to the file even if it's not checked out
>> 114 chmod u+w ppc_defs.h
>> 115 grep '^#define' mk_defs.s >> ppc_defs.h
>> 116 rm mk_defs.s
>> 117
>> 118 find_name : find_name.c
>> 119 $(HOSTCC) $(HOSTCFLAGS) -o find_name find_name.c
>> 120
>> 121 checks: checks.c
>> 122 $(HOSTCC) -I$(HPATH) $(HOSTCFLAGS) -D__KERNEL__ -fno-builtin -o checks checks.c
>> 123 ./checks
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