arm64: defconfig: enable deprecated ARMv8 instructions emulation
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Message ID 20190808080004.20984-1-stefan@agner.ch
State New
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Series
  • arm64: defconfig: enable deprecated ARMv8 instructions emulation
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Commit Message

Stefan Agner Aug. 8, 2019, 8 a.m. UTC
Enable deprecated/obsolete ARMv8 instructions emulation. This allows
to run ARMv6 binaries (e.g. Raspberry Pi) on ARMv8 machines.

Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
---
 arch/arm64/configs/defconfig | 4 ++++
 1 file changed, 4 insertions(+)

Patch
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diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index 0e58ef02880c..fd5af5582dda 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -68,6 +68,10 @@  CONFIG_KEXEC=y
 CONFIG_CRASH_DUMP=y
 CONFIG_XEN=y
 CONFIG_COMPAT=y
+CONFIG_ARMV8_DEPRECATED=y
+CONFIG_SWP_EMULATION=y
+CONFIG_CP15_BARRIER_EMULATION=y
+CONFIG_SETEND_EMULATION=y
 CONFIG_RANDOMIZE_BASE=y
 CONFIG_HIBERNATION=y
 CONFIG_WQ_POWER_EFFICIENT_DEFAULT=y