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Re: [Qemu-devel] [PULL 03/12] target-arm: Add support for PMU register P
From: |
Aaron Lindsay |
Subject: |
Re: [Qemu-devel] [PULL 03/12] target-arm: Add support for PMU register PMINTENSET_EL1 |
Date: |
Thu, 23 Feb 2017 08:58:00 -0500 |
User-agent: |
Mutt/1.5.23 (2014-03-12) |
Wei, Peter,
On Feb 10 18:07, Peter Maydell wrote:
> From: Wei Huang <address@hidden>
>
> This patch adds access support for PMINTENSET_EL1.
>
> Signed-off-by: Wei Huang <address@hidden>
> Reviewed-by: Peter Maydell <address@hidden>
> Message-id: address@hidden
> Signed-off-by: Peter Maydell <address@hidden>
> ---
> target/arm/cpu.h | 2 +-
> target/arm/helper.c | 10 +++++++++-
> 2 files changed, 10 insertions(+), 2 deletions(-)
>
> diff --git a/target/arm/cpu.h b/target/arm/cpu.h
> index edc1f76..0956a54 100644
> --- a/target/arm/cpu.h
> +++ b/target/arm/cpu.h
> @@ -309,7 +309,7 @@ typedef struct CPUARMState {
> uint32_t c9_pmovsr; /* perf monitor overflow status */
> uint32_t c9_pmuserenr; /* perf monitor user enable */
> uint64_t c9_pmselr; /* perf monitor counter selection register */
> - uint32_t c9_pminten; /* perf monitor interrupt enables */
> + uint64_t c9_pminten; /* perf monitor interrupt enables */
PMINTENSET_EL1 and PMINTENCLR_EL1 are both 32-bit registers, just like
their AArch32 counterparts. Is there a reason I'm missing for why this
has been changed to a uint64_t? There are a number of other 32-bit PMU
registers also currently being represented by uint64_t.
-Aaron
> union { /* Memory attribute redirection */
> struct {
> #ifdef HOST_WORDS_BIGENDIAN
> diff --git a/target/arm/helper.c b/target/arm/helper.c
> index b837d36..5358ac6 100644
> --- a/target/arm/helper.c
> +++ b/target/arm/helper.c
> @@ -1275,9 +1275,17 @@ static const ARMCPRegInfo v7_cp_reginfo[] = {
> .writefn = pmuserenr_write, .raw_writefn = raw_write },
> { .name = "PMINTENSET", .cp = 15, .crn = 9, .crm = 14, .opc1 = 0, .opc2
> = 1,
> .access = PL1_RW, .accessfn = access_tpm,
> - .fieldoffset = offsetof(CPUARMState, cp15.c9_pminten),
> + .type = ARM_CP_ALIAS,
> + .fieldoffset = offsetoflow32(CPUARMState, cp15.c9_pminten),
> .resetvalue = 0,
> .writefn = pmintenset_write, .raw_writefn = raw_write },
> + { .name = "PMINTENSET_EL1", .state = ARM_CP_STATE_AA64,
> + .opc0 = 3, .opc1 = 0, .crn = 9, .crm = 14, .opc2 = 1,
> + .access = PL1_RW, .accessfn = access_tpm,
> + .type = ARM_CP_IO,
> + .fieldoffset = offsetof(CPUARMState, cp15.c9_pminten),
> + .writefn = pmintenset_write, .raw_writefn = raw_write,
> + .resetvalue = 0x0 },
> { .name = "PMINTENCLR", .cp = 15, .crn = 9, .crm = 14, .opc1 = 0, .opc2
> = 2,
> .access = PL1_RW, .accessfn = access_tpm, .type = ARM_CP_ALIAS,
> .fieldoffset = offsetof(CPUARMState, cp15.c9_pminten),
> --
> 2.7.4
>
>
--
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- [Qemu-devel] [PULL 00/12] target-arm queue, Peter Maydell, 2017/02/10
- [Qemu-devel] [PULL 03/12] target-arm: Add support for PMU register PMINTENSET_EL1, Peter Maydell, 2017/02/10
- Re: [Qemu-devel] [PULL 03/12] target-arm: Add support for PMU register PMINTENSET_EL1,
Aaron Lindsay <=
- [Qemu-devel] [PULL 05/12] target-arm: Declare virtio-mmio as dma-coherent in dt, Peter Maydell, 2017/02/10
- [Qemu-devel] [PULL 04/12] target-arm: Enable vPMU support under TCG mode, Peter Maydell, 2017/02/10
- [Qemu-devel] [PULL 06/12] hw/arm/virt: Declare virtio-mmio as dma cache coherent in ACPI, Peter Maydell, 2017/02/10
- [Qemu-devel] [PULL 07/12] hw/arm/virt: Declare fwcfg as dma cache coherent in ACPI, Peter Maydell, 2017/02/10
- [Qemu-devel] [PULL 09/12] aspeed: check for negative values returned by blk_getlength(), Peter Maydell, 2017/02/10
- [Qemu-devel] [PULL 02/12] target-arm: Add support for AArch64 PMU register PMXEVTYPER_EL0, Peter Maydell, 2017/02/10
- [Qemu-devel] [PULL 12/12] aspeed/smc: use a modulo to check segment limits, Peter Maydell, 2017/02/10
- [Qemu-devel] [PULL 11/12] aspeed/smc: handle dummies only in fast read mode, Peter Maydell, 2017/02/10
- [Qemu-devel] [PULL 10/12] aspeed: remove useless comment on controller segment size, Peter Maydell, 2017/02/10