ARM: hyp-stub: improve ABI

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Improve the hyp-stub ABI to allow it to do more than just get/set the
vectors.  We follow the example in ARM64, where r0 is used as an opcode
with the other registers as an argument.

Tested-by: Keerthy <j-keerthy@ti.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <cdall@linaro.org>

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Russell King 2017-04-03 19:37:45 +01:00 • committed by Christoffer Dall

parent 506c372ac4

commit 1342337bc8

1 changed files with 22 additions and 5 deletions

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arch/arm/kernel/hyp-stub.S

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