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uclibc/arm: doesn't build in thumb(1) mode with threads

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It runs out of registers, it fails even in official form
(COMPILE_IN_THUMB_MODE=y) so just build it in ARM mode since EABI
mandates interworking.
Tested in an arm920t board.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
This commit is contained in:
Gustavo Zacarias 2013-07-19 10:06:33 -03:00 committed by Peter Korsgaard
parent 103045534a
commit d244782caa
2 changed files with 7 additions and 2 deletions
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2
package/uclibc/Config.in
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@ -185,7 +185,7 @@ config BR2_UCLIBC_ARM_TYPE
config BR2_UCLIBC_ARM_BX
bool
depends on BR2_UCLIBC_TARGET_ARCH = "arm"
default y if !BR2_fa265 && !BR2_strongarm
default y if (BR2_ARM_CPU_HAS_THUMB || BR2_ARM_CPU_HAS_THUMB2)
config BR2_UCLIBC_MIPS_ABI
string

7
package/uclibc/uclibc.mk
View File

@ -74,6 +74,11 @@ define UCLIBC_ARM_ABI_CONFIG
$(call UCLIBC_OPT_SET,CONFIG_ARM_EABI,y,$(@D))
endef
# Thumb build is broken with threads, build in ARM mode
ifeq ($(BR2_ARM_INSTRUCTIONS_THUMB)$(BR2_TOOLCHAIN_HAS_THREADS),yy)
UCLIBC_EXTRA_CFLAGS += -marm
endif
ifeq ($(BR2_UCLIBC_ARM_BX),y)
define UCLIBC_ARM_BX_CONFIG
$(call UCLIBC_OPT_SET,USE_BX,y,$(@D))
@ -348,7 +353,7 @@ endif
UCLIBC_MAKE_FLAGS = \
ARCH="$(UCLIBC_TARGET_ARCH)" \
CROSS_COMPILE="$(TARGET_CROSS)" \
UCLIBC_EXTRA_CFLAGS="$(TARGET_ABI)" \
UCLIBC_EXTRA_CFLAGS="$(UCLIBC_EXTRA_CFLAGS) $(TARGET_ABI)" \
HOSTCC="$(HOSTCC)"
define UCLIBC_SETUP_DOT_CONFIG