diff options
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 |