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common/cmd_boot: keep ARM v7M in thumb mode during do_go_exec()

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On ARM v7M, the processor will return to ARM mode when executing
a blx instruction with bit 0 of the address == 0. Always set it
to 1 to stay in thumb mode.

Signed-off-by: Matt Porter <mporter@konsulko.com>
This commit is contained in:
Matt Porter
2015-05-05 15:00:23 -04:00
committed by Tom Rini
parent c777efe3a1
commit f99993c108
2 changed files with 45 additions and 0 deletions
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arch/arm/lib/Makefile
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@@ -26,6 +26,7 @@ ifndef CONFIG_SYS_GENERIC_BOARD
obj-y += board.o
endif
obj-$(CONFIG_CPU_V7M) += cmd_boot.o
obj-$(CONFIG_OF_LIBFDT) += bootm-fdt.o
obj-$(CONFIG_CMD_BOOTM) += bootm.o
obj-$(CONFIG_SYS_L2_PL310) += cache-pl310.o