[PATCH v2 08/10] ARM: KVM: VGIC initialisation code
Will Deacon
will.deacon at arm.com
Tue Oct 2 05:24:13 EDT 2012
On Mon, Oct 01, 2012 at 10:14:26AM +0100, Christoffer Dall wrote:
> From: Marc Zyngier <marc.zyngier at arm.com>
>
> Add the init code for the hypervisor, the virtual machine, and
> the virtual CPUs.
>
> An interrupt handler is also wired to allow the VGIC maintenance
> interrupts, used to deal with level triggered interrupts and LR
> underflows.
>
> Signed-off-by: Marc Zyngier <marc.zyngier at arm.com>
> Signed-off-by: Christoffer Dall <c.dall at virtualopensystems.com>
> ---
[...]
> diff --git a/arch/arm/kvm/vgic.c b/arch/arm/kvm/vgic.c
> index b52d4c2..fc2a138 100644
> --- a/arch/arm/kvm/vgic.c
> +++ b/arch/arm/kvm/vgic.c
> @@ -20,7 +20,14 @@
> #include <linux/kvm_host.h>
> #include <linux/interrupt.h>
> #include <linux/io.h>
> +#include <linux/of.h>
> +#include <linux/of_address.h>
> +#include <linux/of_irq.h>
> +
> #include <asm/kvm_emulate.h>
> +#include <asm/hardware/gic.h>
> +#include <asm/kvm_arm.h>
> +#include <asm/kvm_mmu.h>
>
> /*
> * How the whole thing works (courtesy of Christoffer Dall):
> @@ -61,6 +68,13 @@
> /* Temporary hacks, need to be provided by userspace emulation */
> #define VGIC_DIST_BASE 0x2c001000
> #define VGIC_DIST_SIZE 0x1000
> +#define VGIC_CPU_BASE 0x2c002000
> +#define VGIC_CPU_SIZE 0x2000
We really don't want the physical memory map for the guest hardwired in the
kernel. Please find a way to parameterise this from userspace.
Will
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