1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 # 2 #
3 # Makefile for the Linux/Xtensa kernel. !! 3 # Makefile for the linux kernel.
4 # 4 #
5 5
6 extra-y := vmlinux.lds !! 6 extra-$(CONFIG_AMIGA) := head.o
>> 7 extra-$(CONFIG_ATARI) := head.o
>> 8 extra-$(CONFIG_MAC) := head.o
>> 9 extra-$(CONFIG_APOLLO) := head.o
>> 10 extra-$(CONFIG_VME) := head.o
>> 11 extra-$(CONFIG_HP300) := head.o
>> 12 extra-$(CONFIG_Q40) := head.o
>> 13 extra-$(CONFIG_SUN3X) := head.o
>> 14 extra-$(CONFIG_SUN3) := sun3-head.o
>> 15 extra-y += vmlinux.lds
>> 16
>> 17 obj-y := entry.o irq.o module.o process.o ptrace.o
>> 18 obj-y += setup.o signal.o sys_m68k.o syscalltable.o time.o traps.o
>> 19
>> 20 obj-$(CONFIG_MMU_MOTOROLA) += ints.o vectors.o
>> 21 obj-$(CONFIG_MMU_SUN3) += ints.o vectors.o
>> 22 obj-$(CONFIG_PCI) += pcibios.o
>> 23
>> 24 obj-$(CONFIG_HAS_DMA) += dma.o
>> 25
>> 26 obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o
>> 27 obj-$(CONFIG_BOOTINFO_PROC) += bootinfo_proc.o
>> 28 obj-$(CONFIG_UBOOT) += uboot.o
7 29
8 obj-y := head.o align.o coprocessor.o entry.o !! 30 obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
9 ptrace.o setup.o signal.o stacktrace. <<
10 vectors.o <<
11 <<
12 obj-$(CONFIG_MMU) += pci-dma.o <<
13 obj-$(CONFIG_PCI) += pci.o <<
14 obj-$(CONFIG_MODULES) += xtensa_ksyms.o module <<
15 obj-$(CONFIG_FUNCTION_TRACER) += mcount.o <<
16 obj-$(CONFIG_SMP) += smp.o <<
17 obj-$(CONFIG_SECONDARY_RESET_VECTOR) += mxhead <<
18 obj-$(CONFIG_XTENSA_VARIANT_HAVE_PERF_EVENTS) <<
19 obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpo <<
20 obj-$(CONFIG_S32C1I_SELFTEST) += s32c1i_selfte <<
21 obj-$(CONFIG_JUMP_LABEL) += jump_label.o <<
22 obj-$(CONFIG_HIBERNATION) += hibernate.o <<
23 <<
24 # In the Xtensa architecture, assembly generat <<
25 # precede the L32R instruction with a relative <<
26 # Therefore, the .text and .literal section mu <<
27 # in the linker script, such as: *(.literal .t <<
28 # <<
29 # We need to post-process the generated vmlinu <<
30 # *(xxx.text) to *(xxx.literal xxx.text) for <<
31 # .text .ref.text .*init.text .*exit.text .t <<
32 # <<
33 # Replicate rules in scripts/Makefile.build <<
34 <<
35 sed-y = -e ':a; s/\*(\([^)]*\)\.text\.unlikely <<
36 -e ':b; s/\*(\([^)]*\)\.text\(\.[a-z]* <<
37 -e ':c; s/\*(\([^)]*\)\(\.[a-z]*it\|\. <<
38 -e ':d; s/\*(\([^)]\+ \|\)\.text/*(\1. <<
39 -e 's/\.{text}/.text/g' <<
40 <<
41 quiet_cmd__cpp_lds_S = LDS $@ <<
42 cmd__cpp_lds_S = $(CPP) $(cpp_flags) -P -C -Ux <<
43 -DLINKER_SCRIPT $< | sed $(se <<
44 31
45 $(obj)/vmlinux.lds: $(src)/vmlinux.lds.S FORCE <<
46 $(call if_changed_dep,_cpp_lds_S) <<
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