4 files changed, 140 insertions, 3 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".
diff --git a/meta/conf/machine/include/mips/arch-mips.inc b/meta/conf/machine/include/mips/arch-mips.inc
index 89d17e7c20..2f625119cb 100644
--- a/meta/conf/machine/include/mips/arch-mips.inc
+++ b/meta/conf/machine/include/mips/arch-mips.inc
@@ -17,9 +17,12 @@ TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'o32', ' -mabi=32', '', d)
 
 TUNEVALID[n32] = "MIPS64 n32 ABI"
 TUNECONFLICTS[n32] = "o32 n64"
-ABIEXTENSION .= "${@bb.utils.contains('TUNE_FEATURES', 'n32', 'n32', '' ,d)}"
+ABIEXTENSION .= "${@bb.utils.filter('TUNE_FEATURES', 'n32' ,d)}"
 TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'n32', ' -mabi=n32', '', d)}"
 
+# user mode qemu doesn't support mips64 n32: "Invalid ELF image for this architecture"
+MACHINE_FEATURES_BACKFILL_CONSIDERED_append = " ${@bb.utils.contains('TUNE_FEATURES', 'n32', 'qemu-usermode', '', d)}"
+
 TUNEVALID[n64] = "MIPS64 n64 ABI"
 TUNECONFLICTS[n64] = "o32 n32"
 TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'n64', ' -mabi=64', '', d)}"
@@ -29,16 +32,36 @@ TUNEVALID[fpu-hard] = "Use hardware FPU"
 TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'fpu-hard', ' -mhard-float', ' -msoft-float', d)}"
 TARGET_FPU = "${@bb.utils.contains('TUNE_FEATURES', 'fpu-hard', '', 'soft', d)}"
 
+# MIPS r6 ABI
+TUNEVALID[r6] = "Use r6"
+TUNEVALID[mipsisa64r6] = "Use 64r6"
+TUNEVALID[mipsisa32r6] = "Use 32r6"
+
 # Package naming
 MIPSPKGSFX_ENDIAN = "${@bb.utils.contains('TUNE_FEATURES', 'bigendian', '', 'el', d)}"
+MIPSPKGSFX_ENDIAN2 = "${@bb.utils.contains('TUNE_FEATURES', 'bigendian', 'eb', 'el', d)}"
 MIPSPKGSFX_BYTE = "${@bb.utils.contains('TUNE_FEATURES', 'n64' , '64', '', d)}"
 MIPSPKGSFX_BYTE .= "${@bb.utils.contains('TUNE_FEATURES', 'n32' , '64', '', d)}"
 MIPSPKGSFX_FPU = "${@bb.utils.contains('TUNE_FEATURES', 'fpu-hard' , '', '-nf', d)}"
 MIPSPKGSFX_ABI = "${@bb.utils.contains('TUNE_FEATURES', 'n32', '-n32', '', d)}"
+MIPSPKGSFX_R6 = "${@bb.utils.filter('TUNE_FEATURES', 'r6', d)}"
+MIPSPKGSFX_64R6 = "${@bb.utils.contains('TUNE_FEATURES', 'mipsisa64r6', 'isa', '', d)}"
+MIPSPKGSFX_32R6 = "${@bb.utils.contains('TUNE_FEATURES', 'mipsisa32r6', 'isa32', '', d)}"
 
-TUNE_ARCH = "mips${MIPSPKGSFX_BYTE}${MIPSPKGSFX_ENDIAN}"
+TUNE_ARCH = "mips${MIPSPKGSFX_32R6}${MIPSPKGSFX_64R6}${MIPSPKGSFX_BYTE}${MIPSPKGSFX_R6}${MIPSPKGSFX_ENDIAN}"
 TUNE_PKGARCH = "${MIPSPKGSFX_VARIANT_tune-${DEFAULTTUNE}}${MIPSPKGSFX_FPU}${MIPSPKGSFX_ABI}"
 
+# Various Global Machine Overrides
+MACHINEOVERRIDES =. "${@bb.utils.contains('TUNE_FEATURES', 'n64', 'mipsarchn64${MIPSPKGSFX_ENDIAN2}:', '' ,d)}"
+MACHINEOVERRIDES =. "${@bb.utils.contains('TUNE_FEATURES', 'o32', 'mipsarcho32${MIPSPKGSFX_ENDIAN2}:', '' ,d)}"
+MACHINEOVERRIDES =. "${@bb.utils.contains('TUNE_FEATURES', 'n32', 'mipsarchn32${MIPSPKGSFX_ENDIAN2}:', '' ,d)}"
+MACHINEOVERRIDES =. "${@bb.utils.contains('TUNE_FEATURES', 'n64', 'mipsarchn64:', '' ,d)}"
+MACHINEOVERRIDES =. "${@bb.utils.contains('TUNE_FEATURES', 'o32', 'mipsarcho32:', '' ,d)}"
+MACHINEOVERRIDES =. "${@bb.utils.contains('TUNE_FEATURES', 'n32', 'mipsarchn32:', '' ,d)}"
+MACHINEOVERRIDES =. "${@bb.utils.contains('TUNE_FEATURES', 'r6', 'mipsarchr6:', '' ,d)}"
+MACHINEOVERRIDES =. "mipsarch${MIPSPKGSFX_ENDIAN2}:"
+MACHINEOVERRIDES =. "mipsarch:"
+
 # Base tunes
 AVAILTUNES += "mips mips64-n32 mips64 mipsel mips64el-n32 mips64el mips-nf mips64-nf-n32 mips64-nf mipsel-nf mips64el-nf-n32 mips64el-nf"
 TUNE_FEATURES_tune-mips = "o32 bigendian fpu-hard"
@@ -100,3 +123,29 @@ TUNE_FEATURES_tune-mips64el-nf = "n64"
 BASE_LIB_tune-mips64el-nf = "lib64"
 MIPSPKGSFX_VARIANT_tune-mips64el-nf = "${TUNE_ARCH}"
 PACKAGE_EXTRA_ARCHS_tune-mips64el-nf = "mips64el-nf"
+
+# MIPS 64 + o32
+AVAILTUNES += "mips64-o32 mips64el-o32"
+
+TUNE_FEATURES_tune-mips64-o32 = "o32 bigendian fpu-hard"
+BASE_LIB_tune-mips64-o32 = "lib"
+MIPSPKGSFX_VARIANT_tune-mips64-o32 = "${TUNE_ARCH}"
+PACKAGE_EXTRA_ARCHS_tune-mips64-o32 = "mips mips64-o32"
+
+TUNE_FEATURES_tune-mips64el-o32 = "o32 fpu-hard"
+BASE_LIB_tune-mips64el-o32 = "lib"
+MIPSPKGSFX_VARIANT_tune-mips64el-o32 = "${TUNE_ARCH}"
+PACKAGE_EXTRA_ARCHS_tune-mips64el-o32 = "mipsel mips64el-o32 mips64el-o32"
+
+# MIPS 64 o32 and Soft Float
+AVAILTUNES += "mips64-nf-o32 mips64el-nf-o32"
+
+TUNE_FEATURES_tune-mips64-nf-o32 = "o32 bigendian"
+BASE_LIB_tune-mips64-nf-o32 = "lib"
+MIPSPKGSFX_VARIANT_tune-mips64-nf-o32 = "${TUNE_ARCH}"
+PACKAGE_EXTRA_ARCHS_tune-mips64-nf-o32 = "mips-nf mips64-nf-o32"
+
+TUNE_FEATURES_tune-mips64el-nf-o32 = "o32"
+BASE_LIB_tune-mips64el-nf-o32 = "lib"
+MIPSPKGSFX_VARIANT_tune-mips64el-nf-o32 = "${TUNE_ARCH}"
+PACKAGE_EXTRA_ARCHS_tune-mips64el-nf-o32 = "mipsel-nf mips64el-nf-o32"
diff --git a/meta/conf/machine/include/mips/feature-mips-mips16e.inc b/meta/conf/machine/include/mips/feature-mips-mips16e.inc
new file mode 100644
index 0000000000..101d5331bc
--- /dev/null
+++ b/meta/conf/machine/include/mips/feature-mips-mips16e.inc
@@ -0,0 +1,17 @@
+TUNEVALID[mips16e] = "Build target packages with MIPS16e ASE instructions"
+MIPS_MIPS16E_OPT = "${@['mno-mips16', 'mips16'][d.getVar('MIPS_INSTRUCTION_SET') == 'mips16e']}"
+TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'mips16e', ' -${MIPS_MIPS16E_OPT}', '', d)}"
+
+MIPSPKGSFX_MIPS16E .= "${@bb.utils.contains('TUNE_FEATURES', 'mips16e', '-m16', '', d) if d.getVar('MIPS_MIPS16E_OPT') == 'mips16' else ''}"
+
+# Whether to compile with code to allow interworking between the two
+# instruction sets. This allows mips16e code to be executed on a primarily
+# mips32/64 system and vice versa. It is strongly recommended that DISTROs not
+# turn this off - the actual cost is very small.
+TUNEVALID[no-interlink-compressed] = "Disable mixing of standard and MIPS16e code"
+MIPS16_TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'no-interlink-compressed', ' -mno-interlink-compressed', ' -minterlink-compressed', d)}"
+TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'mips16e', ' ${MIPS16_TUNE_CCARGS}', '', d)}"
+OVERRIDES .= "${@bb.utils.contains('TUNE_FEATURES', 'mips16e', ':mips16e', '', d)}"
+
+# show status (if compiling in MIPS16e mode)
+BUILDCFG_VARS += "${@['', 'MIPS_INSTRUCTION_SET'][d.getVar('MIPS_INSTRUCTION_SET') == 'mips16e']}"
diff --git a/meta/conf/machine/include/mips/tune-mips-24k.inc b/meta/conf/machine/include/mips/tune-mips-24k.inc
new file mode 100644
index 0000000000..828acd42e3
--- /dev/null
+++ b/meta/conf/machine/include/mips/tune-mips-24k.inc
@@ -0,0 +1,51 @@
+DEFAULTTUNE ?= "mips32r2-24kc"
+
+MIPSPKGSFX_MIPS16E ??= ""
+
+require conf/machine/include/tune-mips32r2.inc
+require conf/machine/include/mips/feature-mips-mips16e.inc
+
+
+TUNEVALID[24kc] = "Enable MIPS 24Kc processor optimizations"
+TUNE_CCARGS .= "${@bb.utils.contains("TUNE_FEATURES", "24kc", " -mtune=24kc", "", d)}"
+TUNEVALID[24kec] = "Enable MIPS 24KEc processor optimizations, including DSP"
+TUNE_CCARGS .= "${@bb.utils.contains("TUNE_FEATURES", "24kec", " -mtune=24kec -mdsp", "", d)}"
+
+
+AVAILTUNES += "mips32r2-24kc   mips32r2-24kec   mips32r2-24kec-m16"
+AVAILTUNES += "mips32r2el-24kc mips32r2el-24kec mips32r2el-24kec-m16"
+
+# big endian: kc, kc+dsp=kec, kc+dsp+mips16e=kec-m16
+TUNE_FEATURES_tune-mips32r2-24kc = "${TUNE_FEATURES_tune-mips32r2-nf} 24kc"
+TUNE_FEATURES_tune-mips32r2-24kec = "${TUNE_FEATURES_tune-mips32r2-nf} 24kec"
+TUNE_FEATURES_tune-mips32r2-24kec-m16 = "${TUNE_FEATURES_tune-mips32r2-24kec} mips16e"
+
+MIPSPKGSFX_VARIANT_tune-mips32r2-24kc = "mips32r2-24kc"
+PACKAGE_EXTRA_ARCHS_tune-mips32r2-24kc = "${PACKAGE_EXTRA_ARCHS_tune-mips32r2-nf} mips32r2-24kc-nf"
+QEMU_EXTRAOPTIONS_mips32r2-24kc-nf = " -cpu 24Kc"
+
+MIPSPKGSFX_VARIANT_tune-mips32r2-24kec = "mips32r2-24kec"
+PACKAGE_EXTRA_ARCHS_tune-mips32r2-24kec = "${PACKAGE_EXTRA_ARCHS_tune-mips32r2-24kc} mips32r2-24kec-nf"
+QEMU_EXTRAOPTIONS_mips32r2-24kec-nf = " -cpu 24KEc"
+
+MIPSPKGSFX_VARIANT_tune-mips32r2-24kec-m16 = "mips32r2-24kec${MIPSPKGSFX_MIPS16E}"
+PACKAGE_EXTRA_ARCHS_tune-mips32r2-24kec-m16 = "${PACKAGE_EXTRA_ARCHS_tune-mips32r2-24kec} mips32r2-24kec-m16-nf"
+QEMU_EXTRAOPTIONS_mips32r2-24kec-m16-nf = " -cpu 24KEc"
+
+
+# little endian: kc, kc+dsp=kec, kc+dsp+mips16e=kec-m16
+TUNE_FEATURES_tune-mips32r2el-24kc = "${TUNE_FEATURES_tune-mips32r2el-nf} 24kc"
+TUNE_FEATURES_tune-mips32r2el-24kec = "${TUNE_FEATURES_tune-mips32r2el-nf} 24kec"
+TUNE_FEATURES_tune-mips32r2el-24kec-m16 = "${TUNE_FEATURES_tune-mips32r2el-24kec} mips16e"
+
+MIPSPKGSFX_VARIANT_tune-mips32r2el-24kc = "mips32r2el-24kc"
+PACKAGE_EXTRA_ARCHS_tune-mips32r2el-24kc = "${PACKAGE_EXTRA_ARCHS_tune-mips32r2el-nf} mips32r2el-24kc-nf"
+QEMU_EXTRAOPTIONS_mips32r2el-24kc-nf = " -cpu 24Kc"
+
+MIPSPKGSFX_VARIANT_tune-mips32r2el-24kec = "mips32r2el-24kec"
+PACKAGE_EXTRA_ARCHS_tune-mips32r2el-24kec = "${PACKAGE_EXTRA_ARCHS_tune-mips32r2el-24kc} mips32r2el-24kec-nf"
+QEMU_EXTRAOPTIONS_mips32r2el-24kec-nf = " -cpu 24KEc"
+
+MIPSPKGSFX_VARIANT_tune-mips32r2el-24kec-m16 = "mips32r2el-24kec${MIPSPKGSFX_MIPS16E}"
+PACKAGE_EXTRA_ARCHS_tune-mips32r2el-24kec-m16 = "${PACKAGE_EXTRA_ARCHS_tune-mips32r2el-24kec} mips32r2el-24kec-m16-nf"
+QEMU_EXTRAOPTIONS_mips32r2el-24kec-m16-nf = " -cpu 24KEc"