mirror of
https://github.com/edk2-porting/linux-next.git
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90cee759f0
This patch reads the .MIPS.abiflags section when it is present, and sets the FP mode of the task accordingly. Any loaded ELF files which do not contain a .MIPS.abiflags section will continue to observe the previous behaviour, that is FR=1 if EF_MIPS_FP64 is set else FR=0. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: linux-mips@linux-mips.org Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: linux-fsdevel@vger.kernel.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/7681/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
130 lines
4.3 KiB
Makefile
130 lines
4.3 KiB
Makefile
#
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# Makefile for the Linux/MIPS kernel.
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#
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extra-y := head.o vmlinux.lds
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obj-y += cpu-probe.o branch.o elf.o entry.o genex.o idle.o irq.o \
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process.o prom.o ptrace.o reset.o setup.o signal.o \
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syscall.o time.o topology.o traps.o unaligned.o watch.o \
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vdso.o
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ifdef CONFIG_FUNCTION_TRACER
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CFLAGS_REMOVE_ftrace.o = -pg
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CFLAGS_REMOVE_early_printk.o = -pg
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CFLAGS_REMOVE_perf_event.o = -pg
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CFLAGS_REMOVE_perf_event_mipsxx.o = -pg
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endif
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obj-$(CONFIG_CEVT_BCM1480) += cevt-bcm1480.o
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obj-$(CONFIG_CEVT_R4K) += cevt-r4k.o
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obj-$(CONFIG_CEVT_DS1287) += cevt-ds1287.o
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obj-$(CONFIG_CEVT_GIC) += cevt-gic.o
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obj-$(CONFIG_CEVT_GT641XX) += cevt-gt641xx.o
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obj-$(CONFIG_CEVT_SB1250) += cevt-sb1250.o
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obj-$(CONFIG_CEVT_TXX9) += cevt-txx9.o
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obj-$(CONFIG_CSRC_BCM1480) += csrc-bcm1480.o
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obj-$(CONFIG_CSRC_GIC) += csrc-gic.o
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obj-$(CONFIG_CSRC_IOASIC) += csrc-ioasic.o
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obj-$(CONFIG_CSRC_R4K) += csrc-r4k.o
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obj-$(CONFIG_CSRC_SB1250) += csrc-sb1250.o
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obj-$(CONFIG_SYNC_R4K) += sync-r4k.o
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obj-$(CONFIG_DEBUG_FS) += segment.o
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obj-$(CONFIG_STACKTRACE) += stacktrace.o
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obj-$(CONFIG_MODULES) += mips_ksyms.o module.o
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obj-$(CONFIG_MODULES_USE_ELF_RELA) += module-rela.o
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obj-$(CONFIG_FTRACE_SYSCALLS) += ftrace.o
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obj-$(CONFIG_FUNCTION_TRACER) += mcount.o ftrace.o
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obj-$(CONFIG_CPU_R4K_FPU) += r4k_fpu.o r4k_switch.o
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obj-$(CONFIG_CPU_R3000) += r2300_fpu.o r2300_switch.o
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obj-$(CONFIG_CPU_R6000) += r6000_fpu.o r4k_switch.o
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obj-$(CONFIG_CPU_TX39XX) += r2300_fpu.o r2300_switch.o
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obj-$(CONFIG_CPU_CAVIUM_OCTEON) += r4k_fpu.o octeon_switch.o
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obj-$(CONFIG_SMP) += smp.o
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obj-$(CONFIG_SMP_UP) += smp-up.o
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obj-$(CONFIG_CPU_BMIPS) += smp-bmips.o bmips_vec.o
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obj-$(CONFIG_MIPS_MT) += mips-mt.o
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obj-$(CONFIG_MIPS_MT_FPAFF) += mips-mt-fpaff.o
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obj-$(CONFIG_MIPS_MT_SMP) += smp-mt.o
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obj-$(CONFIG_MIPS_CMP) += smp-cmp.o
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obj-$(CONFIG_MIPS_CPS) += smp-cps.o cps-vec.o
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obj-$(CONFIG_MIPS_GIC_IPI) += smp-gic.o
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obj-$(CONFIG_CPU_MIPSR2) += spram.o
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obj-$(CONFIG_MIPS_VPE_LOADER) += vpe.o
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obj-$(CONFIG_MIPS_VPE_LOADER_CMP) += vpe-cmp.o
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obj-$(CONFIG_MIPS_VPE_LOADER_MT) += vpe-mt.o
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obj-$(CONFIG_MIPS_VPE_APSP_API) += rtlx.o
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obj-$(CONFIG_MIPS_VPE_APSP_API_CMP) += rtlx-cmp.o
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obj-$(CONFIG_MIPS_VPE_APSP_API_MT) += rtlx-mt.o
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obj-$(CONFIG_I8259) += i8259.o
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obj-$(CONFIG_IRQ_CPU) += irq_cpu.o
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obj-$(CONFIG_IRQ_CPU_RM7K) += irq-rm7000.o
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obj-$(CONFIG_MIPS_MSC) += irq-msc01.o
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obj-$(CONFIG_IRQ_TXX9) += irq_txx9.o
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obj-$(CONFIG_IRQ_GT641XX) += irq-gt641xx.o
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obj-$(CONFIG_KPROBES) += kprobes.o
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obj-$(CONFIG_32BIT) += scall32-o32.o
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obj-$(CONFIG_64BIT) += scall64-64.o
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obj-$(CONFIG_MIPS32_COMPAT) += linux32.o ptrace32.o signal32.o
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obj-$(CONFIG_MIPS32_N32) += binfmt_elfn32.o scall64-n32.o signal_n32.o
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obj-$(CONFIG_MIPS32_O32) += binfmt_elfo32.o scall64-o32.o
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obj-$(CONFIG_KGDB) += kgdb.o
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obj-$(CONFIG_PROC_FS) += proc.o
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obj-$(CONFIG_64BIT) += cpu-bugs64.o
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obj-$(CONFIG_I8253) += i8253.o
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obj-$(CONFIG_GPIO_TXX9) += gpio_txx9.o
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obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o crash.o
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obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
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obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
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obj-$(CONFIG_EARLY_PRINTK_8250) += early_printk_8250.o
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obj-$(CONFIG_SPINLOCK_TEST) += spinlock_test.o
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obj-$(CONFIG_MIPS_MACHINE) += mips_machine.o
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CFLAGS_cpu-bugs64.o = $(shell if $(CC) $(KBUILD_CFLAGS) -Wa,-mdaddi -c -o /dev/null -x c /dev/null >/dev/null 2>&1; then echo "-DHAVE_AS_SET_DADDI"; fi)
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obj-$(CONFIG_HAVE_STD_PC_SERIAL_PORT) += 8250-platform.o
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obj-$(CONFIG_PERF_EVENTS) += perf_event.o
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obj-$(CONFIG_HW_PERF_EVENTS) += perf_event_mipsxx.o
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obj-$(CONFIG_JUMP_LABEL) += jump_label.o
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obj-$(CONFIG_MIPS_CM) += mips-cm.o
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obj-$(CONFIG_MIPS_CPC) += mips-cpc.o
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obj-$(CONFIG_CPU_PM) += pm.o
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obj-$(CONFIG_MIPS_CPS_PM) += pm-cps.o
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#
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# DSP ASE supported for MIPS32 or MIPS64 Release 2 cores only. It is not
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# safe to unconditionnaly use the assembler -mdsp / -mdspr2 switches
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# here because the compiler may use DSP ASE instructions (such as lwx) in
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# code paths where we cannot check that the CPU we are running on supports it.
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# Proper abstraction using HAVE_AS_DSP and macros is done in
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# arch/mips/include/asm/mipsregs.h.
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#
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ifeq ($(CONFIG_CPU_MIPSR2), y)
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CFLAGS_DSP = -DHAVE_AS_DSP
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CFLAGS_signal.o = $(CFLAGS_DSP)
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CFLAGS_signal32.o = $(CFLAGS_DSP)
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CFLAGS_process.o = $(CFLAGS_DSP)
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CFLAGS_branch.o = $(CFLAGS_DSP)
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CFLAGS_ptrace.o = $(CFLAGS_DSP)
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endif
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CPPFLAGS_vmlinux.lds := $(KBUILD_CFLAGS)
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