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https://github.com/edk2-porting/linux-next.git
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68201fbbb0
Commit 2578bfae84 ("[POWERPC] Create and use CONFIG_WORD_SIZE") added
CONFIG_WORD_SIZE, and suggests that other arches were going to do
likewise.
But that never happened, powerpc is the only architecture which uses it.
So switch to using a simple make variable, BITS, like x86, sh, sparc and
tile. It is also easier to spell and simpler, avoiding any confusion
about whether it's defined due to ordering of make vs kconfig.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
177 lines
5.6 KiB
Makefile
177 lines
5.6 KiB
Makefile
#
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# Makefile for the linux kernel.
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#
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CFLAGS_ptrace.o += -DUTS_MACHINE='"$(UTS_MACHINE)"'
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subdir-ccflags-$(CONFIG_PPC_WERROR) := -Werror
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ifeq ($(CONFIG_PPC64),y)
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CFLAGS_prom_init.o += $(NO_MINIMAL_TOC)
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endif
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ifeq ($(CONFIG_PPC32),y)
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CFLAGS_prom_init.o += -fPIC
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CFLAGS_btext.o += -fPIC
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endif
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ifdef CONFIG_FUNCTION_TRACER
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# Do not trace early boot code
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CFLAGS_REMOVE_cputable.o = -mno-sched-epilog $(CC_FLAGS_FTRACE)
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CFLAGS_REMOVE_prom_init.o = -mno-sched-epilog $(CC_FLAGS_FTRACE)
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CFLAGS_REMOVE_btext.o = -mno-sched-epilog $(CC_FLAGS_FTRACE)
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CFLAGS_REMOVE_prom.o = -mno-sched-epilog $(CC_FLAGS_FTRACE)
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# do not trace tracer code
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CFLAGS_REMOVE_ftrace.o = -mno-sched-epilog $(CC_FLAGS_FTRACE)
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# timers used by tracing
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CFLAGS_REMOVE_time.o = -mno-sched-epilog $(CC_FLAGS_FTRACE)
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endif
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obj-y := cputable.o ptrace.o syscalls.o \
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irq.o align.o signal_32.o pmc.o vdso.o \
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process.o systbl.o idle.o \
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signal.o sysfs.o cacheinfo.o time.o \
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prom.o traps.o setup-common.o \
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udbg.o misc.o io.o dma.o misc_$(BITS).o \
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of_platform.o prom_parse.o
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obj-$(CONFIG_PPC64) += setup_64.o sys_ppc32.o \
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signal_64.o ptrace32.o \
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paca.o nvram_64.o firmware.o
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obj-$(CONFIG_VDSO32) += vdso32/
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obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.o
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obj-$(CONFIG_PPC_BOOK3S_64) += cpu_setup_ppc970.o cpu_setup_pa6t.o
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obj-$(CONFIG_PPC_BOOK3S_64) += cpu_setup_power.o
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obj-$(CONFIG_PPC_BOOK3S_64) += mce.o mce_power.o
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obj-$(CONFIG_PPC_BOOK3E_64) += exceptions-64e.o idle_book3e.o
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obj-$(CONFIG_PPC64) += vdso64/
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obj-$(CONFIG_ALTIVEC) += vecemu.o
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obj-$(CONFIG_PPC_970_NAP) += idle_power4.o
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obj-$(CONFIG_PPC_P7_NAP) += idle_book3s.o
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procfs-y := proc_powerpc.o
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obj-$(CONFIG_PROC_FS) += $(procfs-y)
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rtaspci-$(CONFIG_PPC64)-$(CONFIG_PCI) := rtas_pci.o
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obj-$(CONFIG_PPC_RTAS) += rtas.o rtas-rtc.o $(rtaspci-y-y)
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obj-$(CONFIG_PPC_RTAS_DAEMON) += rtasd.o
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obj-$(CONFIG_RTAS_FLASH) += rtas_flash.o
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obj-$(CONFIG_RTAS_PROC) += rtas-proc.o
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obj-$(CONFIG_IBMVIO) += vio.o
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obj-$(CONFIG_IBMEBUS) += ibmebus.o
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obj-$(CONFIG_EEH) += eeh.o eeh_pe.o eeh_dev.o eeh_cache.o \
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eeh_driver.o eeh_event.o eeh_sysfs.o
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obj-$(CONFIG_GENERIC_TBSYNC) += smp-tbsync.o
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obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
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obj-$(CONFIG_FA_DUMP) += fadump.o
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ifeq ($(CONFIG_PPC32),y)
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obj-$(CONFIG_E500) += idle_e500.o
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endif
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obj-$(CONFIG_6xx) += idle_6xx.o l2cr_6xx.o cpu_setup_6xx.o
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obj-$(CONFIG_TAU) += tau_6xx.o
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obj-$(CONFIG_HIBERNATION) += swsusp.o suspend.o
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ifeq ($(CONFIG_FSL_BOOKE),y)
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obj-$(CONFIG_HIBERNATION) += swsusp_booke.o
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else
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obj-$(CONFIG_HIBERNATION) += swsusp_$(BITS).o
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endif
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obj64-$(CONFIG_HIBERNATION) += swsusp_asm64.o
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obj-$(CONFIG_MODULES) += module.o module_$(BITS).o
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obj-$(CONFIG_44x) += cpu_setup_44x.o
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obj-$(CONFIG_PPC_FSL_BOOK3E) += cpu_setup_fsl_booke.o
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obj-$(CONFIG_PPC_DOORBELL) += dbell.o
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obj-$(CONFIG_JUMP_LABEL) += jump_label.o
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extra-y := head_$(BITS).o
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extra-$(CONFIG_40x) := head_40x.o
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extra-$(CONFIG_44x) := head_44x.o
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extra-$(CONFIG_FSL_BOOKE) := head_fsl_booke.o
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extra-$(CONFIG_8xx) := head_8xx.o
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extra-y += vmlinux.lds
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obj-$(CONFIG_RELOCATABLE) += reloc_$(BITS).o
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obj-$(CONFIG_PPC32) += entry_32.o setup_32.o
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obj-$(CONFIG_PPC64) += dma-iommu.o iommu.o
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obj-$(CONFIG_KGDB) += kgdb.o
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obj-$(CONFIG_MODULES) += ppc_ksyms.o
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ifeq ($(CONFIG_PPC32),y)
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obj-$(CONFIG_MODULES) += ppc_ksyms_32.o
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endif
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obj-$(CONFIG_BOOTX_TEXT) += btext.o
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obj-$(CONFIG_SMP) += smp.o
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obj-$(CONFIG_KPROBES) += kprobes.o
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obj-$(CONFIG_UPROBES) += uprobes.o
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obj-$(CONFIG_PPC_UDBG_16550) += legacy_serial.o udbg_16550.o
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obj-$(CONFIG_STACKTRACE) += stacktrace.o
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obj-$(CONFIG_SWIOTLB) += dma-swiotlb.o
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pci64-$(CONFIG_PPC64) += pci_dn.o pci-hotplug.o isa-bridge.o
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obj-$(CONFIG_PCI) += pci_$(BITS).o $(pci64-y) \
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pci-common.o pci_of_scan.o
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obj-$(CONFIG_PCI_MSI) += msi.o
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obj-$(CONFIG_KEXEC) += machine_kexec.o crash.o \
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machine_kexec_$(BITS).o
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obj-$(CONFIG_AUDIT) += audit.o
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obj64-$(CONFIG_AUDIT) += compat_audit.o
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obj-$(CONFIG_PPC_IO_WORKAROUNDS) += io-workarounds.o
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obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o
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obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += ftrace.o
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obj-$(CONFIG_FTRACE_SYSCALLS) += ftrace.o
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obj-$(CONFIG_TRACING) += trace_clock.o
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ifneq ($(CONFIG_PPC_INDIRECT_PIO),y)
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obj-y += iomap.o
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endif
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obj64-$(CONFIG_PPC_TRANSACTIONAL_MEM) += tm.o
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obj-$(CONFIG_PPC64) += $(obj64-y)
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obj-$(CONFIG_PPC32) += $(obj32-y)
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ifneq ($(CONFIG_XMON)$(CONFIG_KEXEC),)
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obj-y += ppc_save_regs.o
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endif
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obj-$(CONFIG_EPAPR_PARAVIRT) += epapr_paravirt.o epapr_hcalls.o
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obj-$(CONFIG_KVM_GUEST) += kvm.o kvm_emul.o
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# Disable GCOV & sanitizers in odd or sensitive code
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GCOV_PROFILE_prom_init.o := n
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UBSAN_SANITIZE_prom_init.o := n
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GCOV_PROFILE_ftrace.o := n
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UBSAN_SANITIZE_ftrace.o := n
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GCOV_PROFILE_machine_kexec_64.o := n
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UBSAN_SANITIZE_machine_kexec_64.o := n
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GCOV_PROFILE_machine_kexec_32.o := n
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UBSAN_SANITIZE_machine_kexec_32.o := n
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GCOV_PROFILE_kprobes.o := n
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UBSAN_SANITIZE_kprobes.o := n
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UBSAN_SANITIZE_vdso.o := n
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extra-$(CONFIG_PPC_FPU) += fpu.o
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extra-$(CONFIG_ALTIVEC) += vector.o
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extra-$(CONFIG_PPC64) += entry_64.o
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extra-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE) += prom_init.o
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extra-y += systbl_chk.i
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$(obj)/systbl.o: systbl_chk
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quiet_cmd_systbl_chk = CALL $<
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cmd_systbl_chk = $(CONFIG_SHELL) $< $(obj)/systbl_chk.i
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PHONY += systbl_chk
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systbl_chk: $(src)/systbl_chk.sh $(obj)/systbl_chk.i
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$(call cmd,systbl_chk)
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ifeq ($(CONFIG_PPC_OF_BOOT_TRAMPOLINE),y)
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$(obj)/built-in.o: prom_init_check
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quiet_cmd_prom_init_check = CALL $<
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cmd_prom_init_check = $(CONFIG_SHELL) $< "$(NM)" "$(obj)/prom_init.o"
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PHONY += prom_init_check
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prom_init_check: $(src)/prom_init_check.sh $(obj)/prom_init.o
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$(call cmd,prom_init_check)
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endif
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clean-files := vmlinux.lds
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