| Makefile (bd072111e7319d90a7b8127f91c2806b9a6f279e) | Makefile (950b260ed21fdb6fa5f18485dabb0b03488431fa) |
|---|---|
| 1ifeq ($(CONFIG_MMU),y) 2UTS_SYSNAME = -DUTS_SYSNAME=\"Linux\" 3else 4UTS_SYSNAME = -DUTS_SYSNAME=\"uClinux\" 5endif 6 7# What CPU vesion are we building for, and crack it open 8# as major.minor.rev | 1ifeq ($(CONFIG_MMU),y) 2UTS_SYSNAME = -DUTS_SYSNAME=\"Linux\" 3else 4UTS_SYSNAME = -DUTS_SYSNAME=\"uClinux\" 5endif 6 7# What CPU vesion are we building for, and crack it open 8# as major.minor.rev |
| 9CPU_VER=$(subst ",,$(CONFIG_XILINX_MICROBLAZE0_HW_VER) ) 10CPU_MAJOR=$(shell echo $(CPU_VER) | cut -d '.' -f 1) 11CPU_MINOR=$(shell echo $(CPU_VER) | cut -d '.' -f 2) 12CPU_REV=$(shell echo $(CPU_VER) | cut -d '.' -f 3) | 9CPU_VER := $(shell echo $(CONFIG_XILINX_MICROBLAZE0_HW_VER)) 10CPU_MAJOR := $(shell echo $(CPU_VER) | cut -d '.' -f 1) 11CPU_MINOR := $(shell echo $(CPU_VER) | cut -d '.' -f 2) 12CPU_REV := $(shell echo $(CPU_VER) | cut -d '.' -f 3) |
| 13 14export CPU_VER CPU_MAJOR CPU_MINOR CPU_REV 15 16# Use cpu-related CONFIG_ vars to set compile options. | 13 14export CPU_VER CPU_MAJOR CPU_MINOR CPU_REV 15 16# Use cpu-related CONFIG_ vars to set compile options. |
| 17# The various CONFIG_XILINX cpu features options are integers 0/1/2... 18# rather than bools y/n |
|
| 17 18# Work out HW multipler support. This is icky. 19# 1. Spartan2 has no HW multiplers. 20# 2. MicroBlaze v3.x always uses them, except in Spartan 2 21# 3. All other FPGa/CPU ver combos, we can trust the CONFIG_ settings 22ifeq (,$(findstring spartan2,$(CONFIG_XILINX_MICROBLAZE0_FAMILY))) 23 ifeq ($(CPU_MAJOR),3) 24 CPUFLAGS-1 += -mno-xl-soft-mul --- 4 unchanged lines hidden (view full) --- 29 endif 30endif 31CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_DIV) += -mno-xl-soft-div 32CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_BARREL) += -mxl-barrel-shift 33CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_PCMP_INSTR) += -mxl-pattern-compare 34 35CPUFLAGS-1 += $(call cc-option,-mcpu=v$(CPU_VER)) 36 | 19 20# Work out HW multipler support. This is icky. 21# 1. Spartan2 has no HW multiplers. 22# 2. MicroBlaze v3.x always uses them, except in Spartan 2 23# 3. All other FPGa/CPU ver combos, we can trust the CONFIG_ settings 24ifeq (,$(findstring spartan2,$(CONFIG_XILINX_MICROBLAZE0_FAMILY))) 25 ifeq ($(CPU_MAJOR),3) 26 CPUFLAGS-1 += -mno-xl-soft-mul --- 4 unchanged lines hidden (view full) --- 31 endif 32endif 33CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_DIV) += -mno-xl-soft-div 34CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_BARREL) += -mxl-barrel-shift 35CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_PCMP_INSTR) += -mxl-pattern-compare 36 37CPUFLAGS-1 += $(call cc-option,-mcpu=v$(CPU_VER)) 38 |
| 37# The various CONFIG_XILINX cpu features options are integers 0/1/2... 38# rather than bools y/n 39 | |
| 40# r31 holds current when in kernel mode | 39# r31 holds current when in kernel mode |
| 41CFLAGS_KERNEL += -ffixed-r31 $(CPUFLAGS-1) $(CPUFLAGS-2) | 40KBUILD_KERNEL += -ffixed-r31 $(CPUFLAGS-1) $(CPUFLAGS-2) |
| 42 43LDFLAGS := 44LDFLAGS_vmlinux := | 41 42LDFLAGS := 43LDFLAGS_vmlinux := |
| 45LDFLAGS_BLOB := --format binary --oformat elf32-microblaze | |
| 46 | 44 |
| 47LIBGCC := $(shell $(CC) $(CFLAGS_KERNEL) -print-libgcc-file-name) | 45LIBGCC := $(shell $(CC) $(KBUILD_KERNEL) -print-libgcc-file-name) |
| 48 | 46 |
| 49head-y := arch/microblaze/kernel/head.o 50libs-y += arch/microblaze/lib/ $(LIBGCC) 51core-y += arch/microblaze/kernel/ arch/microblaze/mm/ \ 52 arch/microblaze/platform/ | 47head-y := arch/microblaze/kernel/head.o 48libs-y += arch/microblaze/lib/ 49libs-y += $(LIBGCC) 50core-y += arch/microblaze/kernel/ 51core-y += arch/microblaze/mm/ 52core-y += arch/microblaze/platform/ |
| 53 | 53 |
| 54boot := arch/$(ARCH)/boot | 54boot := arch/microblaze/boot |
| 55 56# defines filename extension depending memory management type 57ifeq ($(CONFIG_MMU),) | 55 56# defines filename extension depending memory management type 57ifeq ($(CONFIG_MMU),) |
| 58MMUEXT := -nommu | 58MMU := -nommu |
| 59endif | 59endif |
| 60export MMUEXT | |
| 61 | 60 |
| 61export MMU 62 |
|
| 62all: linux.bin 63 64archclean: 65 $(Q)$(MAKE) $(clean)=$(boot) 66 67linux.bin linux.bin.gz: vmlinux 68 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ 69 70define archhelp 71 echo '* linux.bin - Create raw binary' 72 echo ' linux.bin.gz - Create compressed raw binary' 73endef | 63all: linux.bin 64 65archclean: 66 $(Q)$(MAKE) $(clean)=$(boot) 67 68linux.bin linux.bin.gz: vmlinux 69 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ 70 71define archhelp 72 echo '* linux.bin - Create raw binary' 73 echo ' linux.bin.gz - Create compressed raw binary' 74endef |