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microblaze: Add option to pass cpu version number

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Toolchain can use some flags by default based on cpu version.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This commit is contained in:
Michal Simek 2016-05-24 13:23:59 +02:00
parent 91eeb80ee7
commit 4ad1096e48
2 changed files with 8 additions and 0 deletions
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4
board/xilinx/microblaze-generic/Kconfig
View File

@ -25,4 +25,8 @@ config XILINX_MICROBLAZE0_USE_HW_MUL
int "USE_HW_MUL values (0=NONE, 1=MUL32, 2=MUL64)"
default 0
config XILINX_MICROBLAZE0_HW_VER
string "Core version number"
default 7.10.d
endif

4
board/xilinx/microblaze-generic/config.mk
View File

@ -6,6 +6,8 @@
# SPDX-License-Identifier: GPL-2.0+
#
CPU_VER := $(shell echo $(CONFIG_XILINX_MICROBLAZE0_HW_VER))
# USE_HW_MUL can be 0, 1, or 2, defining a hierarchy of HW Mul support.
CPUFLAGS-$(subst 1,,$(CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL)) += -mxl-multiply-high
CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL) += -mno-xl-soft-mul
@ -13,4 +15,6 @@ CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_DIV) += -mno-xl-soft-div
CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_BARREL) += -mxl-barrel-shift
CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_PCMP_INSTR) += -mxl-pattern-compare
CPUFLAGS-1 += $(call cc-option,-mcpu=v$(CPU_VER))
PLATFORM_CPPFLAGS += $(CPUFLAGS-1) $(CPUFLAGS-2)