xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ARM: ARMv7-M: Allow the building of new kernel port

Browse Source 
This patch modifies the required Kconfig and Makefile files to allow the
building of kernel for Cortex-M3.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Jonathan Austin <jonathan.austin@arm.com>
Tested-by: Jonathan Austin <jonathan.austin@arm.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
This commit is contained in:
Uwe Kleine-König
2013-03-21 21:02:37 +01:00
parent 19c4d593f0
commit 4477ca45fb
6 changed files with 33 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
arch/arm/mm/Kconfig
View File

@@ -397,6 +397,15 @@ config CPU_V7
select CPU_PABRT_V7
select CPU_TLB_V7 if MMU
# ARMv7M
config CPU_V7M
bool
select CPU_32v7M
select CPU_ABRT_NOMMU
select CPU_CACHE_NOP
select CPU_PABRT_LEGACY
select CPU_THUMBONLY
config CPU_THUMBONLY
bool
# There are no CPUs available with MMU that don't implement an ARM ISA:
@@ -441,6 +450,9 @@ config CPU_32v6K
config CPU_32v7
bool
config CPU_32v7M
bool
# The abort model
config CPU_ABRT_NOMMU
bool
@@ -494,6 +506,9 @@ config CPU_CACHE_V6
config CPU_CACHE_V7
bool
config CPU_CACHE_NOP
bool
config CPU_CACHE_VIVT
bool
@@ -616,7 +631,11 @@ config ARCH_DMA_ADDR_T_64BIT
config ARM_THUMB
bool "Support Thumb user binaries" if !CPU_THUMBONLY
depends on CPU_ARM720T || CPU_ARM740T || CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM940T || CPU_ARM946E || CPU_ARM1020 || CPU_ARM1020E || CPU_ARM1022 || CPU_ARM1026 || CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_V6 || CPU_V6K || CPU_V7 || CPU_FEROCEON
depends on CPU_ARM720T || CPU_ARM740T || CPU_ARM920T || CPU_ARM922T || \
CPU_ARM925T || CPU_ARM926T || CPU_ARM940T || CPU_ARM946E || \
CPU_ARM1020 || CPU_ARM1020E || CPU_ARM1022 || CPU_ARM1026 || \
CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_V6 || CPU_V6K || \
CPU_V7 || CPU_FEROCEON || CPU_V7M
default y
help
Say Y if you want to include kernel support for running user space

2
arch/arm/mm/Makefile
View File

@@ -40,6 +40,7 @@ obj-$(CONFIG_CPU_CACHE_V4WB) += cache-v4wb.o
obj-$(CONFIG_CPU_CACHE_V6) += cache-v6.o
obj-$(CONFIG_CPU_CACHE_V7) += cache-v7.o
obj-$(CONFIG_CPU_CACHE_FA) += cache-fa.o
obj-$(CONFIG_CPU_CACHE_NOP) += cache-nop.o
AFLAGS_cache-v6.o :=-Wa,-march=armv6
AFLAGS_cache-v7.o :=-Wa,-march=armv7-a
@@ -88,6 +89,7 @@ obj-$(CONFIG_CPU_FEROCEON) += proc-feroceon.o
obj-$(CONFIG_CPU_V6) += proc-v6.o
obj-$(CONFIG_CPU_V6K) += proc-v6.o
obj-$(CONFIG_CPU_V7) += proc-v7.o
obj-$(CONFIG_CPU_V7M) += proc-v7m.o
AFLAGS_proc-v6.o :=-Wa,-march=armv6
AFLAGS_proc-v7.o :=-Wa,-march=armv7-a