From d6e7ebb20934a4c4822898b4f4adfcde7f7f4049 Mon Sep 17 00:00:00 2001 From: Mark Hatle Date: Fri, 30 Mar 2012 14:27:58 -0500 Subject: conf/machine/include: Cleanup IA tunings to match README We perform a basic cleanup of the IA32 architecture and related tunings in order to match the rules and descriptions within the new tuning README file. A number of small issues were corrected in the "c3" tuning to bring it inline with the README. (From OE-Core rev: ab77d3401908964f3249c761969600b5ec1bfbd0) Signed-off-by: Mark Hatle Signed-off-by: Richard Purdie --- meta/conf/machine/include/ia32/README | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 meta/conf/machine/include/ia32/README (limited to 'meta/conf/machine/include/ia32/README') diff --git a/meta/conf/machine/include/ia32/README b/meta/conf/machine/include/ia32/README new file mode 100644 index 0000000000..8f80a5ba94 --- /dev/null +++ b/meta/conf/machine/include/ia32/README @@ -0,0 +1,24 @@ +2012/03/30 - Mark Hatle + - Initial version + +Most of the items for the IA architecture are defined in the single +arch-ia32 file. + +Three ABIs are define, m32, mx32 and m64. + +The following is the list of ia32 specific variables: + +X86ARCH32 - This is the 32-bit architecture GNU canonical arch, TUNE_ARCH. + +X86ARCH64 - This is the 64-bit architecture GNU canonical arch, TUNE_ARCH. + +The TUNE_PKGARCH is defined as follows: + +TUNE_PKGARCH = ${TUNE_PKGARCH_tune-${DEFAULTTUNE}} + +The package architecture for 32-bit targets is historical and generally +set to to match the core compatible processor type, i.e. i386. + +For 64-bit architectures, the architecture is expected to end in '_64'. + +If the x32 ABI is used, then the _64 is further extended with a '_x32'. -- cgit v1.2.3-54-g00ecf