[PATCH 4/8] arm64: Add EL2 switch to soft_restart

Catalin Marinas
2015-01-27T17:57:40Z

On Sat, Jan 17, 2015 at 12:23:34AM +0000, Geoff Levand wrote:
> ENTRY(cpu_reset)
> - mrs x1, sctlr_el1
> - bic x1, x1, #1
> - msr sctlr_el1, x1 // disable the MMU
> + mrs x2, sctlr_el1
> + bic x2, x2, #1
> + msr sctlr_el1, x2 // disable the MMU
> isb
> - ret x0
> +
> + cbz x0, 1f // el2_switch?
> + mov x0, x1
> + mov x1, xzr
> + mov x2, xzr
> + mov x3, xzr
> + hvc #HVC_CALL_FUNC // no return

If that's the only user of HVC_CALL_FUNC, why do we bother with
arguments, calling convention?

--
Catalin