diff options
Diffstat (limited to 'meta/conf/machine/include/mips/README')
-rw-r--r-- | meta/conf/machine/include/mips/README | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/meta/conf/machine/include/mips/README b/meta/conf/machine/include/mips/README index c375f316df..62fa1561ba 100644 --- a/meta/conf/machine/include/mips/README +++ b/meta/conf/machine/include/mips/README | |||
@@ -1,3 +1,6 @@ | |||
1 | 2016/09/30 - Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com> | ||
2 | - Add Release 6 support | ||
3 | |||
1 | 2012/03/30 - Mark Hatle <mark.hatle@windriver.com> | 4 | 2012/03/30 - Mark Hatle <mark.hatle@windriver.com> |
2 | - Initial Version | 5 | - Initial Version |
3 | 6 | ||
@@ -6,9 +9,14 @@ MIPS currently defines 12 ABIs. Combinations of: | |||
6 | *) Hardware/Software Floating Point | 9 | *) Hardware/Software Floating Point |
7 | *) o32, n32, n64 ABI | 10 | *) o32, n32, n64 ABI |
8 | 11 | ||
12 | Release 6 of the ISA is a major revision and doesn't build up on previous | ||
13 | releases of the ISA. | ||
14 | |||
15 | For more details about tuples, check https://wiki.debian.org/Multiarch/Tuples | ||
16 | |||
9 | TUNE_ARCH, the GNU canonical arch, is defined as: | 17 | TUNE_ARCH, the GNU canonical arch, is defined as: |
10 | 18 | ||
11 | mips${MIPSPKGSFX_BYTE}${MIPSPKGSFX_ENDIAN} | 19 | "mips${MIPSPKGSFX_32R6}${MIPSPKGSFX_64R6}${MIPSPKGSFX_BYTE}${MIPSPKGSFX_R6}${MIPSPKGSFX_ENDIAN}" |
12 | 20 | ||
13 | The package arch is defined in such a way to generated a standard naming | 21 | The package arch is defined in such a way to generated a standard naming |
14 | scheme. The scheme is: <mips variant>[-nf][-n32] | 22 | scheme. The scheme is: <mips variant>[-nf][-n32] |
@@ -34,3 +42,12 @@ that the tune is using a non-floating point ABI. | |||
34 | MIPSPKGSFX_ABI - This is used to specify an alternative ABI when the previous | 42 | MIPSPKGSFX_ABI - This is used to specify an alternative ABI when the previous |
35 | values are not enough to distringuish the package. "-n32" is added when | 43 | values are not enough to distringuish the package. "-n32" is added when |
36 | building for N32 ABI. | 44 | building for N32 ABI. |
45 | |||
46 | MIPSPKGSFX_R6 - This is used to specify the presence of release 6. | ||
47 | "r6" is added in the tuple for release 6 of the isa. | ||
48 | |||
49 | MIPSPKGSFX_64R6 - This is used to specify "isa" in the tuple. | ||
50 | Release 6 onwards we use "mipsisa64" instead of just "mips64". | ||
51 | |||
52 | MIPSPKGSFX_32R6 - This is used to specify "isa32" in the tuple. | ||
53 | Release 6 onwards we use "mipsisa32" instead of just "mips". | ||