blob: b23c40eb7a52151a08e61ed1eaafdb462b21403e [file] [log] [blame]
Michal Simek4b2368f2009-05-26 16:30:32 +02001ifeq ($(CONFIG_MMU),y)
2UTS_SYSNAME = -DUTS_SYSNAME=\"Linux\"
3else
Michal Simek5f8ffb52009-03-27 14:25:51 +01004UTS_SYSNAME = -DUTS_SYSNAME=\"uClinux\"
Michal Simek4b2368f2009-05-26 16:30:32 +02005endif
Michal Simek5f8ffb52009-03-27 14:25:51 +01006
7# What CPU vesion are we building for, and crack it open
8# as major.minor.rev
Sam Ravnborg950b2602009-07-24 09:04:49 +02009CPU_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 $(CPU_VER) | cut -d '.' -f 3)
Michal Simek5f8ffb52009-03-27 14:25:51 +010013
14export CPU_VER CPU_MAJOR CPU_MINOR CPU_REV
15
16# Use cpu-related CONFIG_ vars to set compile options.
Sam Ravnborg950b2602009-07-24 09:04:49 +020017# The various CONFIG_XILINX cpu features options are integers 0/1/2...
18# rather than bools y/n
Michal Simek5f8ffb52009-03-27 14:25:51 +010019
Michal Simek7f01af02011-01-03 11:35:28 +010020# Work out HW multipler support. This is tricky.
Lucas De Marchi25985ed2011-03-30 22:57:33 -030021# 1. Spartan2 has no HW multipliers.
Michal Simek5f8ffb52009-03-27 14:25:51 +010022# 2. MicroBlaze v3.x always uses them, except in Spartan 2
23# 3. All other FPGa/CPU ver combos, we can trust the CONFIG_ settings
24ifeq (,$(findstring spartan2,$(CONFIG_XILINX_MICROBLAZE0_FAMILY)))
25 ifeq ($(CPU_MAJOR),3)
26 CPUFLAGS-1 += -mno-xl-soft-mul
27 else
Uwe Kleine-König732bee72010-06-11 12:16:59 +020028 # USE_HW_MUL can be 0, 1, or 2, defining a hierarchy of HW Mul support.
Michal Simek5f8ffb52009-03-27 14:25:51 +010029 CPUFLAGS-$(subst 1,,$(CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL)) += -mxl-multiply-high
30 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL) += -mno-xl-soft-mul
31 endif
32endif
33CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_DIV) += -mno-xl-soft-div
34CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_BARREL) += -mxl-barrel-shift
Michal Simek04e3a552009-04-20 09:56:24 +020035CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_PCMP_INSTR) += -mxl-pattern-compare
Michal Simek5f8ffb52009-03-27 14:25:51 +010036
37CPUFLAGS-1 += $(call cc-option,-mcpu=v$(CPU_VER))
38
Michal Simek5f8ffb52009-03-27 14:25:51 +010039# r31 holds current when in kernel mode
John Williamse469b0e2009-09-17 21:21:23 +100040KBUILD_CFLAGS += -ffixed-r31 $(CPUFLAGS-1) $(CPUFLAGS-2)
Michal Simek5f8ffb52009-03-27 14:25:51 +010041
Thomas Chouc3055d12009-05-19 22:48:10 +080042LDFLAGS :=
43LDFLAGS_vmlinux :=
Michal Simek5f8ffb52009-03-27 14:25:51 +010044
Sam Ravnborg950b2602009-07-24 09:04:49 +020045head-y := arch/microblaze/kernel/head.o
46libs-y += arch/microblaze/lib/
Sam Ravnborg950b2602009-07-24 09:04:49 +020047core-y += arch/microblaze/kernel/
48core-y += arch/microblaze/mm/
49core-y += arch/microblaze/platform/
Michal Simeka6475c12010-01-18 15:27:10 +010050core-$(CONFIG_PCI) += arch/microblaze/pci/
Michal Simek5f8ffb52009-03-27 14:25:51 +010051
John Williams3540ce82009-11-24 20:27:54 +100052drivers-$(CONFIG_OPROFILE) += arch/microblaze/oprofile/
53
Sam Ravnborg950b2602009-07-24 09:04:49 +020054boot := arch/microblaze/boot
Michal Simek5f8ffb52009-03-27 14:25:51 +010055
Michal Simekf05131c2009-09-14 15:15:49 +020056# Are we making a simpleImage.<boardname> target? If so, crack out the boardname
57DTB:=$(subst simpleImage.,,$(filter simpleImage.%, $(MAKECMDGOALS)))
58
59ifneq ($(DTB),)
60 core-y += $(boot)/
61endif
62
Michal Simek5f8ffb52009-03-27 14:25:51 +010063# defines filename extension depending memory management type
64ifeq ($(CONFIG_MMU),)
Sam Ravnborg950b2602009-07-24 09:04:49 +020065MMU := -nommu
Michal Simek5f8ffb52009-03-27 14:25:51 +010066endif
Sam Ravnborg950b2602009-07-24 09:04:49 +020067
Michal Simekf05131c2009-09-14 15:15:49 +020068export MMU DTB
Michal Simek5f8ffb52009-03-27 14:25:51 +010069
70all: linux.bin
71
Thomas Backlundb843e4e2010-10-21 13:19:10 +030072# With make 3.82 we cannot mix normal and wildcard targets
73BOOT_TARGETS1 = linux.bin linux.bin.gz
74BOOT_TARGETS2 = simpleImage.%
Michal Simekf05131c2009-09-14 15:15:49 +020075
Michal Simek5f8ffb52009-03-27 14:25:51 +010076archclean:
77 $(Q)$(MAKE) $(clean)=$(boot)
78
Thomas Backlundb843e4e2010-10-21 13:19:10 +030079$(BOOT_TARGETS1): vmlinux
80 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
81$(BOOT_TARGETS2): vmlinux
Michal Simek5f8ffb52009-03-27 14:25:51 +010082 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
83
84define archhelp
Michal Simekf05131c2009-09-14 15:15:49 +020085 echo '* linux.bin - Create raw binary'
86 echo ' linux.bin.gz - Create compressed raw binary'
87 echo ' simpleImage.<dt> - ELF image with $(arch)/boot/dts/<dt>.dts linked in'
Arun Bhanu699d17b2010-03-12 16:31:40 +080088 echo ' - stripped elf with fdt blob'
Michal Simekf05131c2009-09-14 15:15:49 +020089 echo ' simpleImage.<dt>.unstrip - full ELF image with fdt blob'
90 echo ' *_defconfig - Select default config from arch/microblaze/configs'
91 echo ''
92 echo ' Targets with <dt> embed a device tree blob inside the image'
93 echo ' These targets support board with firmware that does not'
94 echo ' support passing a device tree directly. Replace <dt> with the'
95 echo ' name of a dts file from the arch/microblaze/boot/dts/ directory'
96 echo ' (minus the .dts extension).'
Michal Simek5f8ffb52009-03-27 14:25:51 +010097endef
Arun Bhanu8a8804f2010-03-17 16:06:03 +080098
99MRPROPER_FILES += $(boot)/simpleImage.*