diff options
| -rw-r--r-- | arch/powerpc/config.in | 11 | ||||
| -rw-r--r-- | config/libc.in | 7 |
2 files changed, 17 insertions, 1 deletions
diff --git a/arch/powerpc/config.in b/arch/powerpc/config.in index dc871a0d..6a0b9104 100644 --- a/arch/powerpc/config.in +++ b/arch/powerpc/config.in @@ -14,4 +14,13 @@ config ARCH_POWERPC_SPE depends on EXPERIMENTAL default n help - Add support for the Signal Processing Engine. + Add support for the Signal Processing Engine. This will set up + the toolchain so that it supports the SPE ABI extensions. This + mainly targets Freescale e500 processors. + + Setting this option will append "spe" to the end of your target + tuple name (e.g., powerpc-e500v2-linux-gnuspe) so that the gcc + configure/build system will know to include SPE ABI support. + It will also automatically add "-mabi=spe -mspe" to your + TARGET_CFLAGS, and "--enable-e500_double" to your CC_EXTRA_CONFIG, + so you do not need to explicitly add them. diff --git a/config/libc.in b/config/libc.in index e9a6ad93..a8cf28ce 100644 --- a/config/libc.in +++ b/config/libc.in @@ -23,6 +23,13 @@ config LIBC_EGLIBC select LIBC_SUPPORT_NPTL select LIBC_SUPPORT_LINUXTHREADS depends on EXPERIMENTAL + help + EGLIBC (Embedded GLIBC) is a variant of the standard GNU GLIBC + that is designed to work well on embedded systems. EGLIBC strives + to be source and binary compatible with GLIBC. Its goals include + a reduced footprint, configurable components, and improved + cross-compilation support. EGLIBC also includes some embedded ports + (such as e500/spe) that are normally separate add-ons of GLIBC. if LIBC_EGLIBC source config/libc/eglibc.in |