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    Subject[PATCH v8 09/22] perf arm-spe: Add new function arm_spe_pkt_desc_addr()
    Date
    This patch moves out the address parsing code from arm_spe_pkt_desc()
    and uses the new introduced function arm_spe_pkt_desc_addr() to process
    address packet.

    Signed-off-by: Leo Yan <leo.yan@linaro.org>
    Reviewed-by: Andre Przywara <andre.przywara@arm.com>
    ---
    .../arm-spe-decoder/arm-spe-pkt-decoder.c | 64 +++++++++++--------
    1 file changed, 38 insertions(+), 26 deletions(-)

    diff --git a/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c b/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c
    index a43880e06547..0aa15632e87b 100644
    --- a/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c
    +++ b/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c
    @@ -288,10 +288,46 @@ static int arm_spe_pkt_snprintf(int *err, char **buf_p, size_t *blen,
    return ret;
    }

    +static int arm_spe_pkt_desc_addr(const struct arm_spe_pkt *packet,
    + char *buf, size_t buf_len)
    +{
    + int ns, el, idx = packet->index;
    + u64 payload = packet->payload;
    + int err = 0;
    +
    + switch (idx) {
    + case 0:
    + case 1:
    + ns = !!(packet->payload & NS_FLAG);
    + el = (packet->payload & EL_FLAG) >> 61;
    + payload &= ~(0xffULL << 56);
    + arm_spe_pkt_snprintf(&err, &buf, &buf_len,
    + "%s 0x%llx el%d ns=%d",
    + (idx == 1) ? "TGT" : "PC", payload, el, ns);
    + break;
    + case 2:
    + arm_spe_pkt_snprintf(&err, &buf, &buf_len,
    + "VA 0x%llx", payload);
    + break;
    + case 3:
    + ns = !!(packet->payload & NS_FLAG);
    + payload &= ~(0xffULL << 56);
    + arm_spe_pkt_snprintf(&err, &buf, &buf_len,
    + "PA 0x%llx ns=%d", payload, ns);
    + break;
    + default:
    + /* Unknown index */
    + err = -1;
    + break;
    + }
    +
    + return err;
    +}
    +
    int arm_spe_pkt_desc(const struct arm_spe_pkt *packet, char *buf,
    size_t buf_len)
    {
    - int ns, el, idx = packet->index;
    + int idx = packet->index;
    unsigned long long payload = packet->payload;
    const char *name = arm_spe_pkt_name(packet->type);
    char *buf_orig = buf;
    @@ -373,31 +409,7 @@ int arm_spe_pkt_desc(const struct arm_spe_pkt *packet, char *buf,
    arm_spe_pkt_snprintf(&err, &buf, &blen, "%s %lld", name, payload);
    break;
    case ARM_SPE_ADDRESS:
    - switch (idx) {
    - case 0:
    - case 1:
    - ns = !!(packet->payload & NS_FLAG);
    - el = (packet->payload & EL_FLAG) >> 61;
    - payload &= ~(0xffULL << 56);
    - arm_spe_pkt_snprintf(&err, &buf, &blen,
    - "%s 0x%llx el%d ns=%d",
    - (idx == 1) ? "TGT" : "PC", payload, el, ns);
    - break;
    - case 2:
    - arm_spe_pkt_snprintf(&err, &buf, &blen,
    - "VA 0x%llx", payload);
    - break;
    - case 3:
    - ns = !!(packet->payload & NS_FLAG);
    - payload &= ~(0xffULL << 56);
    - arm_spe_pkt_snprintf(&err, &buf, &blen,
    - "PA 0x%llx ns=%d", payload, ns);
    - break;
    - default:
    - /* Unknown index */
    - err = -1;
    - break;
    - }
    + err = arm_spe_pkt_desc_addr(packet, buf, buf_len);
    break;
    case ARM_SPE_CONTEXT:
    arm_spe_pkt_snprintf(&err, &buf, &blen, "%s 0x%lx el%d",
    --
    2.17.1
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