diff options
Diffstat (limited to 'arch/powerpc/Kconfig')
| -rw-r--r-- | arch/powerpc/Kconfig | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index c33e3ad2c8fd..e3009abc7f75 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -298,7 +298,7 @@ config HUGETLB_PAGE_SIZE_VARIABLE config MATH_EMULATION bool "Math emulation" - depends on 4xx || 8xx || E200 || PPC_MPC832x || E500 + depends on 4xx || 8xx || PPC_MPC832x || BOOKE ---help--- Some PowerPC chips designed for embedded applications do not have a floating-point unit and therefore do not implement the @@ -307,6 +307,10 @@ config MATH_EMULATION unit, which will allow programs that use floating-point instructions to run. + This is also useful to emulate missing (optional) instructions + such as fsqrt on cores that do have an FPU but do not implement + them (such as Freescale BookE). + config PPC_TRANSACTIONAL_MEM bool "Transactional Memory support for POWERPC" depends on PPC_BOOK3S_64 |