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Diffstat (limited to 'config/arch/arm.in')
| -rw-r--r-- | config/arch/arm.in | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/config/arch/arm.in b/config/arch/arm.in index f1b0c8f..6daa603 100644 --- a/config/arch/arm.in +++ b/config/arch/arm.in @@ -1,7 +1,8 @@ # ARM specific configuration file config ARCH_arm - select ARCH_USE_MMU + select ARCH_SUPPORTS_BOTH_MMU + select ARCH_DEFAULT_HAS_MMU select ARCH_SUPPORTS_BOTH_ENDIAN select ARCH_DEFAULT_LE select ARCH_SUPPORT_ARCH @@ -12,6 +13,45 @@ config ARCH_arm The ARM architecture, as defined by: http://www.arm.com/ +config ARCH_ARM_MODE + string + default "arm" if ARCH_ARM_MODE_ARM + default "thumb" if ARCH_ARM_MODE_THUMB + +choice + bool + prompt "Default instruction set mode" + default ARCH_ARM_MODE_ARM + +config ARCH_ARM_MODE_ARM + bool + prompt "arm" + help + Defaults to emitting instructions in the ARM mode. + +config ARCH_ARM_MODE_THUMB + bool + prompt "thumb (EXPERIMENTAL)" + depends on EXPERIMENTAL + help + Defaults to emitting instructions in the THUMB mode. + +endchoice + +config ARCH_ARM_INTERWORKING + bool + prompt "Use Thumb-interworking (READ HELP)" + default n + depends on EXPERIMENTAL + help + Excerpt from the gcc manual: + + > Generate code which supports calling between the ARM and Thumb + > instruction sets. Without this option the two instruction sets + > cannot be reliably used inside one program. The default is + > [not to use interwork], since slightly larger code is generated + > when [interwork] is specified. + config ARCH_ARM_EABI bool prompt "Use EABI" |