From b33cdc23c04acfa55df0f764e1648bf030ae5e9c Mon Sep 17 00:00:00 2001
From: Richard Purdie <richard.purdie@linuxfoundation.org>
Date: Tue, 26 Jul 2011 12:32:29 +0100
Subject: Add basic Mips core tune config

Acked-by: Mark Hatle <mark.hatle@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
---
 meta/conf/machine/include/mips/arch-mips.inc | 68 +++++++++++++++++++++++++++-
 meta/conf/machine/include/tune-mips32.inc    | 11 ++++-
 2 files changed, 76 insertions(+), 3 deletions(-)

(limited to 'meta/conf/machine')

diff --git a/meta/conf/machine/include/mips/arch-mips.inc b/meta/conf/machine/include/mips/arch-mips.inc
index f7f4eeddf..b7ded765c 100644
--- a/meta/conf/machine/include/mips/arch-mips.inc
+++ b/meta/conf/machine/include/mips/arch-mips.inc
@@ -1 +1,67 @@
-TUNE_ARCH = "mips"
+# MIPS Architecture definition
+# 12 defined ABIs, all combinations of:
+# *) Big/Little Endian
+# *) Hardware/Software Floating Point
+# *) o32, n32, n64 ABI
+
+DEFAULTTUNE ?= "mips"
+
+# Endianess
+TUNEVALID[bigendian] = "Enable big-endian mode"
+TUNE_CCARGS += "${@bb.utils.contains("TUNE_FEATURES", "bigendian", "-meb", "-mel", d)}"
+
+# ABI flags
+TUNEVALID[o32] = "MIPS o32 ABI"
+TUNECONFLICT[o32] = "n32 n64"
+TUNE_CCARGS += "${@bb.utils.contains("TUNE_FEATURES", "o32", "-mabi=32", "", d)}"
+
+TUNEVALID[n32] = "MIPS64 n32 ABI"
+TUNECONFLICT[n32] = "o32 n64"
+TUNE_CCARGS += "${@bb.utils.contains("TUNE_FEATURES", "n32", "-mabi=n32", "", d)}"
+
+TUNEVALID[n64] = "MIPS64 n64 ABI"
+TUNECONFLICT[n64] = "o32 n32"
+TUNE_CCARGS += "${@bb.utils.contains("TUNE_FEATURES", "n64", "-mabi=64", "", d)}"
+
+# Floating point
+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)}"
+
+# Package naming
+MIPSPKGSFX_ENDIAN = "${@bb.utils.contains("TUNE_FEATURES", "bigendian", "", "el", d)}"
+MIPSPKGSFX_BYTE = "${@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 = "${@bb.utils.contains("TUNE_FEATURES", "n32", "-n32", "", d)}"
+
+TUNE_ARCH = "mips${MIPSPKGSFX_BYTE}${MIPSPKGSFX_ENDIAN}"
+TUNE_PKGARCH ?= "${TUNE_ARCH}${MIPSPKGSFX_FPU}${MIPSPKGSFX_ABI}"
+
+# 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"
+BASE_LIB_tune-mips = "lib"
+TUNE_FEATURES_tune-mips64-n32 = "n32 bigendian fpu-hard"
+BASE_LIB_tune-mips64-n32 = "lib32"
+TUNE_FEATURES_tune-mips64 = "n64 bigendian fpu-hard"
+BASE_LIB_tune-mips64 = "lib64"
+TUNE_FEATURES_tune-mipsel = "o32 fpu-hard"
+BASE_LIB_tune-mipsel = "lib"
+TUNE_FEATURES_tune-mips64el-n32 = "n32 fpu-hard"
+BASE_LIB_tune-mips64el-n32 = "lib32"
+TUNE_FEATURES_tune-mips64el = "n64 fpu-hard"
+BASE_LIB_tune-mips64el = "lib64"
+TUNE_FEATURES_tune-mips-nf = "o32 bigendian"
+BASE_LIB_tune-mips-nf = "lib"
+TUNE_FEATURES_tune-mips64-nf-n32 = "n32 bigendian"
+BASE_LIB_tune-mips64-nf-n32 = "lib32"
+TUNE_FEATURES_tune-mips64-nf = "n64 bigendian"
+BASE_LIB_tune-mips64-nf = "lib64"
+TUNE_FEATURES_tune-mipsel-nf = "o32"
+BASE_LIB_tune-mipsel-nf = "lib"
+TUNE_FEATURES_tune-mips64el-nf-n32 = "n32"
+BASE_LIB_tune-mips64el-nf-n32 = "lib32"
+TUNE_FEATURES_tune-mips64el-nf = "n64"
+BASE_LIB_tune-mips64el-nf = "lib64"
+
diff --git a/meta/conf/machine/include/tune-mips32.inc b/meta/conf/machine/include/tune-mips32.inc
index 28b00479e..45792d8fc 100644
--- a/meta/conf/machine/include/tune-mips32.inc
+++ b/meta/conf/machine/include/tune-mips32.inc
@@ -1,4 +1,11 @@
+DEFAULTTUNE ?= "mips32"
+
 require conf/machine/include/mips/arch-mips.inc
 
-TUNE_CCARGS = "-march=mips32"
-TUNE_PKGARCH = "mips"
+TUNEVALID[mips32] = "Enable mips32 specific processor optimizations"
+TUNE_CONFLICTS[mips32] = "n64 n32"
+TUNE_CCARGS += "${@bb.utils.contains("TUNE_FEATURES", "mips32", "-march=mips32", "", d)}"
+
+AVAILTUNES += "mips32"
+TUNE_FEATURES_tune-mips32 = "${TUNE_FEATURES_tune-mips} mips32"
+PACKAGE_EXTRA_ARCHS_tune-mips32 = "mips"
-- 
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