On 14/09/12 15:02, Stefano Stabellini wrote:
> On Fri, 14 Sep 2012, Marc Zyngier wrote:
>>> +/* HVC 0xEA1 */
>>> +#ifdef CONFIG_THUMB2_KERNEL
>>> +#define xen_hvc .word 0xf7e08ea1
>>> +#else
>>> +#define xen_hvc .word 0xe140ea71
>>> +#endif
>>
>> You should consider using Dave Martin's opcode injec
On Fri, 14 Sep 2012, Marc Zyngier wrote:
> On 14/09/12 12:13, Stefano Stabellini wrote:
> > Use r12 to pass the hypercall number to the hypervisor.
> >
> > We need a register to pass the hypercall number because we might not
> > know it at compile time and HVC only takes an immediate argument.
> >
On 14/09/12 12:13, Stefano Stabellini wrote:
> Use r12 to pass the hypercall number to the hypervisor.
>
> We need a register to pass the hypercall number because we might not
> know it at compile time and HVC only takes an immediate argument.
>
> Among the available registers r12 seems to be the
On Fri, Sep 14, 2012 at 12:13:04PM +0100, Stefano Stabellini wrote:
> Use r12 to pass the hypercall number to the hypervisor.
>
> We need a register to pass the hypercall number because we might not
> know it at compile time and HVC only takes an immediate argument.
>
> Among the available regist
