mirror of
https://github.com/crosstool-ng/crosstool-ng.git
synced 2025-01-31 08:25:32 +00:00
c916a69abf
Add config option to build wtarget code with THUMB interworking. This is used to build the C library as well as all other code that runs on the target.
67 lines
1.6 KiB
Plaintext
67 lines
1.6 KiB
Plaintext
# ARM specific configuration file
|
|
|
|
config ARCH_arm
|
|
select ARCH_SUPPORTS_BOTH_MMU
|
|
select ARCH_DEFAULT_HAS_MMU
|
|
select ARCH_SUPPORTS_BOTH_ENDIAN
|
|
select ARCH_DEFAULT_LE
|
|
select ARCH_SUPPORT_ARCH
|
|
select ARCH_SUPPORT_CPU
|
|
select ARCH_SUPPORT_TUNE
|
|
select ARCH_SUPPORT_FPU
|
|
help
|
|
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"
|
|
default y
|
|
help
|
|
Set up the toolchain so that it generates EABI-compliant binaries.
|
|
|
|
config ARCH_ARM_ABI_OK
|
|
bool
|
|
default y
|
|
depends on ! ARCH_ARM_EABI
|
|
select ARCH_SUPPORT_ABI
|