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Re: [Qemu-devel] [PATCH 1/4] target-arm: Add the AArch64 view of the Sec


From: Peter Maydell
Subject: Re: [Qemu-devel] [PATCH 1/4] target-arm: Add the AArch64 view of the Secure physical timer
Date: Fri, 24 Jul 2015 11:06:01 +0100

On 24 July 2015 at 10:48, Edgar E. Iglesias <address@hidden> wrote:
> On Thu, Jul 16, 2015 at 12:47:26PM +0100, Peter Maydell wrote:
>> +    { .name = "CNTPS_CVAL_EL1", .state = ARM_CP_STATE_AA64,
>> +      .opc0 = 3, .opc1 = 7, .crn = 14, .crm = 2, .opc2 = 2,
>> +      .type = ARM_CP_IO,
>> +      .accessfn = gt_stimer_access,
>> +      .fieldoffset = offsetof(CPUARMState, cp15.c14_timer[GTIMER_SEC].cval),
>> +      .writefn = gt_sec_cval_write, .raw_writefn = raw_write,

> I think you've missed a .access = PL1_RW here. With that change the series 
> passes my sectimer tests.

Yep, you're right, this needs to be folded into this patch:

--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -1679,7 +1679,7 @@ static const ARMCPRegInfo generic_timer_cp_reginfo[] = {
     },
     { .name = "CNTPS_CVAL_EL1", .state = ARM_CP_STATE_AA64,
       .opc0 = 3, .opc1 = 7, .crn = 14, .crm = 2, .opc2 = 2,
-      .type = ARM_CP_IO,
+      .type = ARM_CP_IO, .access = PL1_RW,
       .accessfn = gt_stimer_access,
       .fieldoffset = offsetof(CPUARMState, cp15.c14_timer[GTIMER_SEC].cval),
       .writefn = gt_sec_cval_write, .raw_writefn = raw_write,

(I won't bother resending unless there are other fixes that need
to be made too.)

thanks
-- PMM



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