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arc: add support of ARC HS38 core

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Synopsys has recently announced its new ARC HS38 core that is capable of
running Linux -
http://www.synopsys.com/dw/ipdir.php?ds=arc-hs38-processor

ARC HS38 is based on ARCv2 ISA and requires special settings of gcc and
libc.

Also in case of HS38 atomic extensions (LLOCK/SCOND instructions) are
built-in by default, so enabling atomic extensions in Buildroot as well.

This commit adds support of the core in buildroot.

[Peter: string type, so must be in quotes as noted by Yann]
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Anton Kolesov <anton.kolesov@synopsys.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Alexey Brodkin 2014-10-30 16:57:29 +03:00 committed by Peter Korsgaard
parent 530e074f97
commit f787b51af5
2 changed files with 6 additions and 1 deletions
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6
arch/Config.in.arc
View File

@ -11,12 +11,15 @@ config BR2_arc750d
config BR2_arc770d
bool "ARC 770D"
config BR2_archs38
bool "ARC HS38"
endchoice
# Choice of atomic instructions presence
config BR2_ARC_ATOMIC_EXT
bool "Atomic extension (LLOCK/SCOND instructions)"
default y if BR2_arc770d
default y if BR2_arc770d || BR2_archs38
config BR2_ARCH_HAS_ATOMICS
default y if BR2_ARC_ATOMIC_EXT
@ -36,3 +39,4 @@ config BR2_ENDIAN
config BR2_GCC_TARGET_CPU
default "arc700" if BR2_arc750d
default "arc700" if BR2_arc770d
default "archs" if BR2_archs38

1
package/uclibc/Config.in
View File

@ -199,6 +199,7 @@ config BR2_UCLIBC_ARC_TYPE
depends on BR2_UCLIBC_TARGET_ARCH = "arc"
default "ARC_CPU_700" if BR2_arc750d
default "ARC_CPU_700" if BR2_arc770d
default "ARC_CPU_HS" if BR2_archs38
config BR2_UCLIBC_ARM_BX
bool