diff options
| author | Stefan Reinauer <stepan@coresystems.de> | 2010-02-25 13:40:49 +0000 |
|---|---|---|
| committer | Stefan Reinauer <stepan@openbios.org> | 2010-02-25 13:40:49 +0000 |
| commit | a7acc515bd10f24d400b3aa3a3c807076cac4f95 (patch) | |
| tree | b177d2bff5eceb06ce47f90b743ddcf04ffa80fd /src/cpu/Kconfig | |
| parent | 3a54ac9c362d2e5900edd7e1c459ffea1e29df64 (diff) | |
HAVE_MOVNTI really means SSE2. Also add sfence in the MOVNTI case.
Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Patrick Georgi <patrick.georgi@coresystems.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5159 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/cpu/Kconfig')
| -rw-r--r-- | src/cpu/Kconfig | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/src/cpu/Kconfig b/src/cpu/Kconfig index 3c4c41967f..c0cf76887f 100644 --- a/src/cpu/Kconfig +++ b/src/cpu/Kconfig @@ -32,14 +32,26 @@ config SMP This option is used to enable certain functions to make coreboot work correctly on symmetric multi processor (SMP) systems. -# Set MMX and SSE in socket or model if the CPU has them. -# If all CPUs for the socket have MMX or SSE, set them there. -# These options are only needed for boards compiled with romcc. config MMX bool + help + Select MMX in your socket or model Kconfig if your CPU has MMX + streaming SIMD instructions. ROMCC can build more efficient + code if it can spill to MMX registers. config SSE bool + help + Select SSE in your socket or model Kconfig if your CPU has SSE + streaming SIMD instructions. ROMCC can build more efficient + code if it can spill to SSE (aka XMM) registers. + +config SSE2 + bool + help + Select SSE2 in your socket or model Kconfig if your CPU has SSE2 + streaming SIMD instructions. Some parts of coreboot can be built + with more efficient code if SSE2 instructions are available. config VAR_MTRR_HOLE bool |