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Disable context functions for Thumb

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They're written in ARM dialect, and `ldmia r14, {r14, pc}` is not accepted in T2
encoding. GCC8 changed the list of multilibs for arm-*, which now includes a
variant with CPU that supports T2 but not A1 encoding.

Signed-off-by: Alexey Neyman <stilor@att.net>
This commit is contained in:
Alexey Neyman 2018-06-05 16:38:30 -07:00
parent b24431f477
commit 57679b5e61
1 changed files with 1 additions and 0 deletions
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1
scripts/build/arch/arm.sh
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@ -96,6 +96,7 @@ CT_DoArchUClibcCflags() {
case "${f}" in case "${f}" in
-mthumb) -mthumb)
CT_KconfigEnableOption "COMPILE_IN_THUMB_MODE" "${cfg}" CT_KconfigEnableOption "COMPILE_IN_THUMB_MODE" "${cfg}"
CT_KconfigDisableOption "UCLIBC_HAS_CONTEXT_FUNCS" "${cfg}"
;; ;;
-marm) -marm)
CT_KconfigDisableOption "COMPILE_IN_THUMB_MODE" "${cfg}" CT_KconfigDisableOption "COMPILE_IN_THUMB_MODE" "${cfg}"