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
