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authorGravatar Vineet Gupta <Vineet.Gupta1@synopsys.com>2019-11-12 07:34:43 -0800
committerGravatar Thomas Petazzoni <thomas.petazzoni@bootlin.com>2019-11-12 21:51:13 +0100
commit4f115b521a4c5715fae1c32a96fff90a102a59af (patch)
treef572d40c97d1e3597e79fdf48a1c70284c78a6bf
parentf67a254b590b8992c90b19a5364c05b4d364d7eb (diff)
downloadbuildroot-4f115b521a4c5715fae1c32a96fff90a102a59af.tar.gz
buildroot-4f115b521a4c5715fae1c32a96fff90a102a59af.tar.bz2
arch/Config.in.arc: introduce the ARC optimized hs38 variant
This corresponds to -mcu=hs38 with mpy-option=9 (64-bit multiplier) Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
-rw-r--r--arch/Config.in.arc23
1 files changed, 15 insertions, 8 deletions
diff --git a/arch/Config.in.arc b/arch/Config.in.arc
index c65bb01f1f..fdfafda31c 100644
--- a/arch/Config.in.arc
+++ b/arch/Config.in.arc
@@ -15,11 +15,17 @@ config BR2_archs38
bool "ARC HS38"
help
Generic ARC HS capable of running Linux, i.e. with MMU,
- caches and multiplier. Also it corresponds to the default
- configuration in older GNU toolchain versions.
+ caches and 32-bit multiplier. Also it corresponds to the
+ default configuration in older GNU toolchain versions.
- If you're not sure which version of ARC HS core you build for
- keep this one.
+config BR2_archs38_64mpy
+ bool "ARC HS38 with 64-bit mpy"
+ help
+ Fully featured ARC HS capable of running Linux, i.e. with
+ MMU, caches and 64-bit multiplier.
+
+ If you're not sure which version of ARC HS core you build
+ for use this one.
config BR2_archs38_full
bool "ARC HS38 with Quad MAC & FPU"
@@ -43,7 +49,7 @@ endchoice
# Choice of atomic instructions presence
config BR2_ARC_ATOMIC_EXT
bool "Atomic extension (LLOCK/SCOND instructions)"
- default y if BR2_arc770d || BR2_archs38 || BR2_archs38_full || BR2_archs4x_rel31
+ default y if BR2_arc770d || BR2_archs38 || BR2_archs38_64mpy || BR2_archs38_full || BR2_archs4x_rel31
config BR2_ARCH
default "arc" if BR2_arcle
@@ -61,12 +67,13 @@ config BR2_GCC_TARGET_CPU
default "arc700" if BR2_arc750d
default "arc700" if BR2_arc770d
default "archs" if BR2_archs38
+ default "hs38" if BR2_archs38_64mpy
default "hs38_linux" if BR2_archs38_full
default "hs4x_rel31" if BR2_archs4x_rel31
config BR2_READELF_ARCH_NAME
default "ARCompact" if BR2_arc750d || BR2_arc770d
- default "ARCv2" if BR2_archs38 || BR2_archs38_full || BR2_archs4x_rel31
+ default "ARCv2" if BR2_archs38 || BR2_archs38_64mpy || BR2_archs38_full || BR2_archs4x_rel31
choice
prompt "MMU Page Size"
@@ -86,7 +93,7 @@ choice
config BR2_ARC_PAGE_SIZE_4K
bool "4KB"
- depends on BR2_arc770d || BR2_archs38 || BR2_archs38_full || BR2_archs4x_rel31
+ depends on BR2_arc770d || BR2_archs38 || BR2_archs38_64mpy || BR2_archs38_full || BR2_archs4x_rel31
config BR2_ARC_PAGE_SIZE_8K
bool "8KB"
@@ -96,7 +103,7 @@ config BR2_ARC_PAGE_SIZE_8K
config BR2_ARC_PAGE_SIZE_16K
bool "16KB"
- depends on BR2_arc770d || BR2_archs38 || BR2_archs38_full || BR2_archs4x_rel31
+ depends on BR2_arc770d || BR2_archs38 || BR2_archs38_64mpy || BR2_archs38_full || BR2_archs4x_rel31
endchoice