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Thu, 19 Nov 2020 07:25:04 -0800 (PST) From: Leo Yan To: Arnaldo Carvalho de Melo , Andre Przywara , Dave Martin , James Clark , Peter Zijlstra , Ingo Molnar , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Al Grant , Wei Li , John Garry , Will Deacon , Mathieu Poirier , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v9 03/16] perf arm-spe: Add new function arm_spe_pkt_desc_addr() Date: Thu, 19 Nov 2020 23:24:28 +0800 Message-Id: <20201119152441.6972-4-leo.yan@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201119152441.6972-1-leo.yan@linaro.org> References: <20201119152441.6972-1-leo.yan@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201119_102507_904640_F44AF362 X-CRM114-Status: GOOD ( 17.82 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Leo Yan MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 Reviewed-by: Andre Przywara --- .../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 a769fe5a4496..b16d68b40bbd 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_out_string(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_out_string(&err, &buf, &buf_len, + "%s 0x%llx el%d ns=%d", + (idx == 1) ? "TGT" : "PC", payload, el, ns); + break; + case 2: + arm_spe_pkt_out_string(&err, &buf, &buf_len, + "VA 0x%llx", payload); + break; + case 3: + ns = !!(packet->payload & NS_FLAG); + payload &= ~(0xffULL << 56); + arm_spe_pkt_out_string(&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_out_string(&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_out_string(&err, &buf, &blen, - "%s 0x%llx el%d ns=%d", - (idx == 1) ? "TGT" : "PC", payload, el, ns); - break; - case 2: - arm_spe_pkt_out_string(&err, &buf, &blen, - "VA 0x%llx", payload); - break; - case 3: - ns = !!(packet->payload & NS_FLAG); - payload &= ~(0xffULL << 56); - arm_spe_pkt_out_string(&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_out_string(&err, &buf, &blen, "%s 0x%lx el%d", -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel