Something went wrong. Try again.
(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
Something went wrong. Try again.
3.4 kB · 91 lines
Makefile
at master
1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192# SPDX-License-Identifier: GPL-2.0KBUILD_DEFCONFIG := mmu_defconfig
UTS_SYSNAME = -DUTS_SYSNAME=\"Linux\"
# What CPU version are we building for, and crack it open# as major.minor.revCPU_VER := $(CONFIG_XILINX_MICROBLAZE0_HW_VER)CPU_MAJOR := $(word 1, $(subst ., , $(CPU_VER)))CPU_MINOR := $(word 2, $(subst ., , $(CPU_VER)))CPU_REV := $(word 3, $(subst ., , $(CPU_VER)))
export CPU_VER CPU_MAJOR CPU_MINOR CPU_REV
# Use cpu-related CONFIG_ vars to set compile options.# The various CONFIG_XILINX cpu features options are integers 0/1/2...# rather than bools y/n
# Work out HW multiplier support. This is tricky.# 1. Spartan2 has no HW multipliers.# 2. MicroBlaze v3.x always uses them, except in Spartan 2# 3. All other FPGa/CPU ver combos, we can trust the CONFIG_ settingsifeq (,$(findstring spartan2,$(CONFIG_XILINX_MICROBLAZE0_FAMILY))) ifeq ($(CPU_MAJOR),3) CPUFLAGS-1 += -mno-xl-soft-mul else # USE_HW_MUL can be 0, 1, or 2, defining a hierarchy of HW Mul support. CPUFLAGS-$(subst 1,,$(CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL)) += -mxl-multiply-high CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL) += -mno-xl-soft-mul endifendifCPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_DIV) += -mno-xl-soft-divCPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_BARREL) += -mxl-barrel-shiftCPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_PCMP_INSTR) += -mxl-pattern-compare
ifdef CONFIG_CPU_BIG_ENDIANKBUILD_CPPFLAGS += -mbig-endianKBUILD_LDFLAGS += -EBelseKBUILD_CPPFLAGS += -mlittle-endianKBUILD_LDFLAGS += -ELendif
CPUFLAGS-1 += $(call cc-option,-mcpu=v$(CPU_VER))
# r31 holds current when in kernel modeKBUILD_CFLAGS += -ffixed-r31 $(CPUFLAGS-y) $(CPUFLAGS-1) $(CPUFLAGS-2)
libs-y += arch/microblaze/lib/
boot := arch/microblaze/boot
# Are we making a simpleImage.<boardname> target? If so, crack out the boardnameDTB:=$(subst simpleImage.,,$(filter simpleImage.%, $(MAKECMDGOALS)))
export DTB
all: linux.bin
archheaders: $(Q)$(MAKE) $(build)=arch/microblaze/kernel/syscalls all
PHONY += linux.bin linux.bin.gz linux.bin.ublinux.bin.ub linux.bin.gz: linux.binlinux.bin: vmlinuxlinux.bin linux.bin.gz linux.bin.ub: $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ @echo 'Kernel: $(boot)/$@ is ready' ' (#'$(or $(KBUILD_BUILD_VERSION),`cat .version`)')'
PHONY += simpleImage.$(DTB)simpleImage.$(DTB): vmlinux $(Q)$(MAKE) $(build)=$(boot) $(addprefix $(boot)/$@., ub unstrip strip) @echo 'Kernel: $(boot)/$@ is ready' ' (#'$(or $(KBUILD_BUILD_VERSION),`cat .version`)')'
define archhelp echo '* linux.bin - Create raw binary' echo ' linux.bin.gz - Create compressed raw binary' echo ' linux.bin.ub - Create U-Boot wrapped raw binary' echo ' simpleImage.<dt> - Create the following images with <dt>.dtb linked in' echo ' simpleImage.<dt> : raw image' echo ' simpleImage.<dt>.ub : raw image with U-Boot header' echo ' simpleImage.<dt>.unstrip: ELF (identical to vmlinux)' echo ' simpleImage.<dt>.strip : stripped ELF' echo ' Targets with <dt> embed a device tree blob inside the image' echo ' These targets support board with firmware that does not' echo ' support passing a device tree directly. Replace <dt> with the' echo ' name of a dts file from the arch/microblaze/boot/dts/ directory' echo ' (minus the .dts extension).'endef
MRPROPER_FILES += $(boot)/simpleImage.*