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arch-mips: Add mipsisa{32, 64}r6{el, } tunes

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Add support for MIPS Release 6 ISA and the various tune
configurations.

This patch adds the tunes for 32r6 and 64r6 n64 and not the n32
variants at the moment.

Release 6 onwards, the tuples are now
 - mipsisa32r6-linux-gnu
 - mipsisa32r6el-linux-gnu
 - mipsisa64r6-linux-gnuabi64
 - mipsisa64r6el-linux-gnuabi64
 - mipsisa64r6-linux-gnuabin32
 - mipsisa64r6el-linux-gnuabin32

For more details, check https://wiki.debian.org/Multiarch/Tuples

(From OE-Core rev: 6b2e0c60c3222a13b33284f258d5c340222d759f)

Signed-off-by: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Zubair Lutfullah Kakakhel
2016-10-04 12:31:21 +01:00
committed by Richard Purdie
parent 559f52fe9c
commit 8be92dcd59
4 changed files with 88 additions and 2 deletions
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meta/conf/machine/include/mips/README
+18 -1
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@@ -1,3 +1,6 @@
2016/09/30 - Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com>
- Add Release 6 support
2012/03/30 - Mark Hatle <mark.hatle@windriver.com>
- Initial Version
@@ -6,9 +9,14 @@ MIPS currently defines 12 ABIs. Combinations of:
*) Hardware/Software Floating Point
*) o32, n32, n64 ABI
Release 6 of the ISA is a major revision and doesn't build up on previous
releases of the ISA.
For more details about tuples, check https://wiki.debian.org/Multiarch/Tuples
TUNE_ARCH, the GNU canonical arch, is defined as:
mips${MIPSPKGSFX_BYTE}${MIPSPKGSFX_ENDIAN}
"mips${MIPSPKGSFX_32R6}${MIPSPKGSFX_64R6}${MIPSPKGSFX_BYTE}${MIPSPKGSFX_R6}${MIPSPKGSFX_ENDIAN}"
The package arch is defined in such a way to generated a standard naming
scheme. The scheme is: <mips variant>[-nf][-n32]
@@ -34,3 +42,12 @@ that the tune is using a non-floating point ABI.
MIPSPKGSFX_ABI - This is used to specify an alternative ABI when the previous
values are not enough to distringuish the package. "-n32" is added when
building for N32 ABI.
MIPSPKGSFX_R6 - This is used to specify the presence of release 6.
"r6" is added in the tuple for release 6 of the isa.
MIPSPKGSFX_64R6 - This is used to specify "isa" in the tuple.
Release 6 onwards we use "mipsisa64" instead of just "mips64".
MIPSPKGSFX_32R6 - This is used to specify "isa32" in the tuple.
Release 6 onwards we use "mipsisa32" instead of just "mips".