On Fri, May 17, 2013 at 02:23:53PM +0100, Peter Maydell wrote:
> Mark up coprocessor register definitions to add raw access
> functions or mark the register as non-migratable where necessary.
>
> Signed-off-by: Peter Maydell <peter.maydell@xxxxxxxxxx>
> ---
> target-arm/helper.c | 94 ++++++++++++++++++++++++++++++++++-----------------
> 1 file changed, 63 insertions(+), 31 deletions(-)
>
> diff --git a/target-arm/helper.c b/target-arm/helper.c
> index 2585d59..e5e4ed2 100644
> --- a/target-arm/helper.c
> +++ b/target-arm/helper.c
> @@ -155,13 +155,17 @@ static const ARMCPRegInfo cp_reginfo[] = {
> * the unified TLB ops but also the dside/iside/inner-shareable variants.
> */
> { .name = "TLBIALL", .cp = 15, .crn = 8, .crm = CP_ANY,
> - .opc1 = CP_ANY, .opc2 = 0, .access = PL1_W, .writefn = tlbiall_write, },
> + .opc1 = CP_ANY, .opc2 = 0, .access = PL1_W, .writefn = tlbiall_write,
> + .type = ARM_CP_NO_MIGRATE },
[...]
What happens with registers which don't have the raw_write function set
(even though the write function imposes some access checks or has side
effects) and also is not marked as ARM_CP_NO_MIGRATE, CONTEXTIDR seems
to be such an example. ?
-Christoffer
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