diff options
Diffstat (limited to 'meta/conf/machine/include/mips/README')
| -rw-r--r-- | meta/conf/machine/include/mips/README | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/meta/conf/machine/include/mips/README b/meta/conf/machine/include/mips/README index c375f316df..f36e87b45a 100644 --- a/meta/conf/machine/include/mips/README +++ b/meta/conf/machine/include/mips/README @@ -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] @@ -24,6 +32,9 @@ MIPSPKGSFX_BYTE - This is defined as either blank and "64" for MIPS64 CPUs. MIPSPKGSFX_ENDIAN - For bigendian hardware this is blank, otherwise it's defined as "el". +MIPSPKGSFX_ENDIAN2 - For bigendian hardware this is "eb", otherwise it's +defined as "el". + MIPSPKGSFX_VARIANT_tune-<tune> - In the default tunings it is set to the same value as TUNE_ARCH. In custom, optimized tunings, the value should be modified to more precisely describe the tuning. @@ -34,3 +45,12 @@ 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". |