Wei, Peter,
On Feb 10 18:07, Peter Maydell wrote:
> From: Wei Huang <w...@redhat.com>
>
> This patch adds access support for PMINTENSET_EL1.
>
> Signed-off-by: Wei Huang <w...@redhat.com>
> Reviewed-by: Peter Maydell <peter.mayd...@linaro.org>
> Message-id: 1486504171-26807-4-git-send-email-...@redhat.com
> Signed-off-by: Peter Maydell <peter.mayd...@linaro.org>
> ---
> 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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