conf/machine: Clean up configuration values.

This cleans up and/or corrects a few values from machine includes
for consistency with future toolchain sanity checks, and also adds
the TUNEVALID and TUNECONFLICTS to documentation.conf.

(From OE-Core rev: 6ffe53c721a80cf156b44f59b564f2e899c6af50)

Signed-off-by: Peter Seebach <peter.seebach@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/conf/documentation.conf

@@ -34,6 +34,9 @@ TARGET_CC_ARCH[doc] = "FIXME"
 TARGET_FPU[doc] = "Floating point option (mostly for FPU-less systems), can be 'soft' or empty \
 for hardware floating point instructions."
 
+TUNEVALID[doc] = "Descriptions of valid tuning features, stored as flags."
+TUNECONFLICTS[doc] = "List of conflicting features for a given feature."
+
 ASSUME_PROVIDED[doc] = "List of packages (recipes actually) which are assumed to be implicitly available.\
  These packages won't be built by bitbake."
 ASSUME_SHLIBS[doc] = "List of shlib:package[_version] mappings. Useful for lib packages in ASSUME_PROVIDED,\

meta/conf/machine/include/README

@@ -24,6 +24,10 @@ TUNEVALID[feature] - The <feature> is defined with a human readable
 explanation for what it does.  All architectural, cpu, abi, etc tuning 
 features must be defined using TUNEVALID.
 
+TUNECONFLICTS[feature] - A list of features which conflict with <feature>.
+New sanity checks will try to reject combinations in which a single
+tuning ends up with features which conflict with each other.
+
 TUNE_FEATURES - This is automatically defined as TUNE_FEATURES_tune-<tune>.
 See TUNE_FEATURES_tune-<tune> for more information.
 

meta/conf/machine/include/arm/arch-armv5-dsp.inc

@@ -1,4 +1,5 @@
 ARMPKGSFX_DSP = "${@bb.utils.contains("TUNE_FEATURES", [ "armv5", "dsp" ], "e", "", d)}"
+TUNEVALID[dsp] = "ARM DSP functionality"
 
 require conf/machine/include/arm/arch-armv5.inc
 

meta/conf/machine/include/arm/arch-armv7a.inc

@@ -2,7 +2,7 @@ DEFAULTTUNE ?= "armv7a"
 
 ARMPKGARCH ?= "armv7a"
 
-TUNEVALID[armv7-a] = "Enable instructions for ARMv7-a"
+TUNEVALID[armv7a] = "Enable instructions for ARMv7-a"
 TUNE_CONFLICTS[armv7a] = "armv4 armv5 armv6 armv7"
 TUNE_CCARGS += "${@bb.utils.contains("TUNE_FEATURES", "armv7a", "-march=armv7-a -fno-tree-vectorize", "", d)}"
 MACHINEOVERRIDES .= "${@bb.utils.contains("TUNE_FEATURES", "armv7a", ":armv7a", "" ,d)}"

meta/conf/machine/include/ia32/arch-ia32.inc

@@ -27,7 +27,7 @@ TUNE_ASARGS += "${@bb.utils.contains("TUNE_FEATURES", "mx32", "-x32", "", d)}"
 
 # ELF64 ABI
 TUNEVALID[m64] = "IA32e (x86_64) ELF64 standard ABI"
-TUNECONFLICT[m64] = "m32 mx32"
+TUNECONFLICTS[m64] = "m32 mx32"
 TUNE_ARCH .= "${@bb.utils.contains("TUNE_FEATURES", "m64", "${X86ARCH64}", "" ,d)}"
 TUNE_CCARGS += "${@bb.utils.contains("TUNE_FEATURES", "m64", "-m64", "", d)}"
 

meta/conf/machine/include/mips/arch-mips.inc

@@ -12,15 +12,15 @@ TUNE_CCARGS += "${@bb.utils.contains("TUNE_FEATURES", "bigendian", "-meb", "-mel
 
 # ABI flags
 TUNEVALID[o32] = "MIPS o32 ABI"
-TUNECONFLICT[o32] = "n32 n64"
+TUNECONFLICTS[o32] = "n32 n64"
 TUNE_CCARGS += "${@bb.utils.contains("TUNE_FEATURES", "o32", "-mabi=32", "", d)}"
 
 TUNEVALID[n32] = "MIPS64 n32 ABI"
-TUNECONFLICT[n32] = "o32 n64"
+TUNECONFLICTS[n32] = "o32 n64"
 TUNE_CCARGS += "${@bb.utils.contains("TUNE_FEATURES", "n32", "-mabi=n32", "", d)}"
 
 TUNEVALID[n64] = "MIPS64 n64 ABI"
-TUNECONFLICT[n64] = "o32 n32"
+TUNECONFLICTS[n64] = "o32 n32"
 TUNE_CCARGS += "${@bb.utils.contains("TUNE_FEATURES", "n64", "-mabi=64", "", d)}"
 
 # Floating point

meta/conf/machine/include/tune-c3.inc

@@ -1,7 +1,7 @@
 require conf/machine/include/ia32/arch-ia32.inc
 
 TUNEVALID[c3] = "VIA Cyrix III or VIA C3 specific optimizations"
-TUNECONFLICT[c3] = "m64 mx32"
+TUNECONFLICTS[c3] = "m64 mx32"
 TUNE_CCARGS += "${@bb.utils.contains("TUNE_FEATURES", "c3", "-march=c3 -mtune=c3", "", d)}"
 
 AVAILTUNES += "c3"