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ARM: 9042/1: debug: no uncompress debugging while semihosting

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The build robots have discovered that uncompress debugging
and semihosting does not play well together.

This is due to many factors but in general semihosting
debug needs to be rewritten to work the same way as any
LL_DEBUG, e.g. with a header in
arch/arm/include/debug/semihosting.S
This is a long term solution and needs testing on real
hardware and/or software models using semihosting.

For now disable uncompress debugging under semihosting.

Link: https://lore.kernel.org/linux-arm-kernel/CAK8P3a2MyLnULmUr4zgzkiWPiYfp+Xs8ruz9_q-PugVf_9DCCw@mail.gmail.com/
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Suggested-by: Arnd Bergmann <arnd@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
This commit is contained in:
Linus Walleij 2020-12-11 09:57:25 +01:00 committed by Russell King
parent 6e959ad8bb
commit 5ed801d039
1 changed files with 1 additions and 1 deletions
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2
arch/arm/Kconfig.debug
View file

@ -1942,7 +1942,7 @@ config DEBUG_UNCOMPRESS
depends on ARCH_MULTIPLATFORM || PLAT_SAMSUNG || ARM_SINGLE_ARMV7M
depends on DEBUG_LL && !DEBUG_OMAP2PLUS_UART && \
(!DEBUG_TEGRA_UART || !ZBOOT_ROM) && \
!DEBUG_BRCMSTB_UART
!DEBUG_BRCMSTB_UART && !DEBUG_SEMIHOSTING
help
This option influences the normal decompressor output for
multiplatform kernels. Normally, multiplatform kernels disable