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Direktori : /usr/src/linux-headers-5.15.0-43/arch/xtensa/kernel/ |
Current File : //usr/src/linux-headers-5.15.0-43/arch/xtensa/kernel/Makefile |
# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Linux/Xtensa kernel. # extra-y := head.o vmlinux.lds obj-y := align.o coprocessor.o entry.o irq.o platform.o process.o \ ptrace.o setup.o signal.o stacktrace.o syscall.o time.o traps.o \ vectors.o obj-$(CONFIG_MMU) += pci-dma.o obj-$(CONFIG_PCI) += pci.o obj-$(CONFIG_MODULES) += xtensa_ksyms.o module.o obj-$(CONFIG_FUNCTION_TRACER) += mcount.o obj-$(CONFIG_SMP) += smp.o mxhead.o obj-$(CONFIG_XTENSA_VARIANT_HAVE_PERF_EVENTS) += perf_event.o obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.o obj-$(CONFIG_S32C1I_SELFTEST) += s32c1i_selftest.o obj-$(CONFIG_JUMP_LABEL) += jump_label.o # In the Xtensa architecture, assembly generates literals which must always # precede the L32R instruction with a relative offset less than 256 kB. # Therefore, the .text and .literal section must be combined in parenthesis # in the linker script, such as: *(.literal .text). # # We need to post-process the generated vmlinux.lds scripts to convert # *(xxx.text) to *(xxx.literal xxx.text) for the following text sections: # .text .ref.text .*init.text .*exit.text .text.* # # Replicate rules in scripts/Makefile.build sed-y = -e ':a; s/\*(\([^)]*\)\.text\.unlikely/*(\1.literal.unlikely .{text}.unlikely/; ta; ' \ -e ':b; s/\*(\([^)]*\)\.text\(\.[a-z]*\)/*(\1.{text}\2.literal .{text}\2/; tb; ' \ -e ':c; s/\*(\([^)]*\)\(\.[a-z]*it\|\.ref\)\.text/*(\1\2.literal \2.{text}/; tc; ' \ -e ':d; s/\*(\([^)]\+ \|\)\.text/*(\1.literal .{text}/; td; ' \ -e 's/\.{text}/.text/g' quiet_cmd__cpp_lds_S = LDS $@ cmd__cpp_lds_S = $(CPP) $(cpp_flags) -P -C -Uxtensa -D__ASSEMBLY__ \ -DLINKER_SCRIPT $< | sed $(sed-y) >$@ $(obj)/vmlinux.lds: $(src)/vmlinux.lds.S FORCE $(call if_changed_dep,_cpp_lds_S)