From: Leo Yan <leo.yan@linaro.org> To: Arnaldo Carvalho de Melo <acme@kernel.org>, Andre Przywara <andre.przywara@arm.com>, Dave Martin <Dave.Martin@arm.com>, James Clark <james.clark@arm.com>, Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@redhat.com>, Mark Rutland <mark.rutland@arm.com>, Alexander Shishkin <alexander.shishkin@linux.intel.com>, Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>, Al Grant <Al.Grant@arm.com>, Wei Li <liwei391@huawei.com>, John Garry <john.garry@huawei.com>, Will Deacon <will@kernel.org>, Mathieu Poirier <mathieu.poirier@linaro.org>, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Leo Yan <leo.yan@linaro.org> Subject: [PATCH v9 04/16] perf arm-spe: Refactor address packet handling Date: Thu, 19 Nov 2020 23:24:29 +0800 [thread overview] Message-ID: <20201119152441.6972-5-leo.yan@linaro.org> (raw) In-Reply-To: <20201119152441.6972-1-leo.yan@linaro.org> This patch is to refactor address packet handling, it defines macros for address packet's header and payload, these macros are used by decoder and the dump flow. Signed-off-by: Leo Yan <leo.yan@linaro.org> Reviewed-by: Andre Przywara <andre.przywara@arm.com> --- .../util/arm-spe-decoder/arm-spe-decoder.c | 29 ++++++++------- .../arm-spe-decoder/arm-spe-pkt-decoder.c | 26 +++++++------- .../arm-spe-decoder/arm-spe-pkt-decoder.h | 35 ++++++++++++------- 3 files changed, 48 insertions(+), 42 deletions(-) diff --git a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c index cc18a1e8c212..776b3e6628bb 100644 --- a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c +++ b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c @@ -24,36 +24,35 @@ static u64 arm_spe_calc_ip(int index, u64 payload) { - u8 *addr = (u8 *)&payload; - int ns, el; + u64 ns, el; /* Instruction virtual address or Branch target address */ if (index == SPE_ADDR_PKT_HDR_INDEX_INS || index == SPE_ADDR_PKT_HDR_INDEX_BRANCH) { - ns = addr[7] & SPE_ADDR_PKT_NS; - el = (addr[7] & SPE_ADDR_PKT_EL_MASK) >> SPE_ADDR_PKT_EL_OFFSET; + ns = SPE_ADDR_PKT_GET_NS(payload); + el = SPE_ADDR_PKT_GET_EL(payload); + + /* Clean highest byte */ + payload = SPE_ADDR_PKT_ADDR_GET_BYTES_0_6(payload); /* Fill highest byte for EL1 or EL2 (VHE) mode */ if (ns && (el == SPE_ADDR_PKT_EL1 || el == SPE_ADDR_PKT_EL2)) - addr[7] = 0xff; - /* Clean highest byte for other cases */ - else - addr[7] = 0x0; + payload |= 0xffULL << SPE_ADDR_PKT_ADDR_BYTE7_SHIFT; /* Data access virtual address */ } else if (index == SPE_ADDR_PKT_HDR_INDEX_DATA_VIRT) { + /* Clean tags */ + payload = SPE_ADDR_PKT_ADDR_GET_BYTES_0_6(payload); + /* Fill highest byte if bits [48..55] is 0xff */ - if (addr[6] == 0xff) - addr[7] = 0xff; - /* Otherwise, cleanup tags */ - else - addr[7] = 0x0; + if (SPE_ADDR_PKT_ADDR_GET_BYTE_6(payload) == 0xffULL) + payload |= 0xffULL << SPE_ADDR_PKT_ADDR_BYTE7_SHIFT; /* Data access physical address */ } else if (index == SPE_ADDR_PKT_HDR_INDEX_DATA_PHYS) { - /* Cleanup byte 7 */ - addr[7] = 0x0; + /* Clean highest byte */ + payload = SPE_ADDR_PKT_ADDR_GET_BYTES_0_6(payload); } else { pr_err("unsupported address packet index: 0x%x\n", index); } 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 b16d68b40bbd..d37c4008adbc 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 @@ -13,9 +13,6 @@ #include "arm-spe-pkt-decoder.h" -#define NS_FLAG BIT_ULL(63) -#define EL_FLAG (BIT_ULL(62) | BIT_ULL(61)) - #if __BYTE_ORDER == __BIG_ENDIAN #define le16_to_cpu bswap_16 #define le32_to_cpu bswap_32 @@ -167,10 +164,11 @@ static int arm_spe_get_addr(const unsigned char *buf, size_t len, const unsigned char ext_hdr, struct arm_spe_pkt *packet) { packet->type = ARM_SPE_ADDRESS; + if (ext_hdr) - packet->index = ((buf[0] & 0x3) << 3) | (buf[1] & 0x7); + packet->index = SPE_HDR_EXTENDED_INDEX(buf[0], buf[1]); else - packet->index = buf[0] & 0x7; + packet->index = SPE_HDR_SHORT_INDEX(buf[0]); return arm_spe_get_payload(buf, len, ext_hdr, packet); } @@ -296,22 +294,22 @@ static int arm_spe_pkt_desc_addr(const struct arm_spe_pkt *packet, int err = 0; switch (idx) { - case 0: - case 1: - ns = !!(packet->payload & NS_FLAG); - el = (packet->payload & EL_FLAG) >> 61; - payload &= ~(0xffULL << 56); + case SPE_ADDR_PKT_HDR_INDEX_INS: + case SPE_ADDR_PKT_HDR_INDEX_BRANCH: + ns = !!SPE_ADDR_PKT_GET_NS(payload); + el = SPE_ADDR_PKT_GET_EL(payload); + payload = SPE_ADDR_PKT_ADDR_GET_BYTES_0_6(payload); 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: + case SPE_ADDR_PKT_HDR_INDEX_DATA_VIRT: arm_spe_pkt_out_string(&err, &buf, &buf_len, "VA 0x%llx", payload); break; - case 3: - ns = !!(packet->payload & NS_FLAG); - payload &= ~(0xffULL << 56); + case SPE_ADDR_PKT_HDR_INDEX_DATA_PHYS: + ns = !!SPE_ADDR_PKT_GET_NS(payload); + payload = SPE_ADDR_PKT_ADDR_GET_BYTES_0_6(payload); arm_spe_pkt_out_string(&err, &buf, &buf_len, "PA 0x%llx ns=%d", payload, ns); break; diff --git a/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h b/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h index 129f43405eb1..f97d6840be3a 100644 --- a/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h +++ b/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h @@ -56,19 +56,28 @@ struct arm_spe_pkt { #define SPE_HEADER0_COUNTER 0x98 #define SPE_HEADER1_ALIGNMENT 0x0 -#define SPE_ADDR_PKT_HDR_INDEX_INS (0x0) -#define SPE_ADDR_PKT_HDR_INDEX_BRANCH (0x1) -#define SPE_ADDR_PKT_HDR_INDEX_DATA_VIRT (0x2) -#define SPE_ADDR_PKT_HDR_INDEX_DATA_PHYS (0x3) - -#define SPE_ADDR_PKT_NS BIT(7) -#define SPE_ADDR_PKT_CH BIT(6) -#define SPE_ADDR_PKT_EL_OFFSET (5) -#define SPE_ADDR_PKT_EL_MASK (0x3 << SPE_ADDR_PKT_EL_OFFSET) -#define SPE_ADDR_PKT_EL0 (0) -#define SPE_ADDR_PKT_EL1 (1) -#define SPE_ADDR_PKT_EL2 (2) -#define SPE_ADDR_PKT_EL3 (3) +#define SPE_HDR_SHORT_INDEX(h) ((h) & GENMASK_ULL(2, 0)) +#define SPE_HDR_EXTENDED_INDEX(h0, h1) (((h0) & GENMASK_ULL(1, 0)) << 3 | \ + SPE_HDR_SHORT_INDEX(h1)) + +/* Address packet header */ +#define SPE_ADDR_PKT_HDR_INDEX_INS 0x0 +#define SPE_ADDR_PKT_HDR_INDEX_BRANCH 0x1 +#define SPE_ADDR_PKT_HDR_INDEX_DATA_VIRT 0x2 +#define SPE_ADDR_PKT_HDR_INDEX_DATA_PHYS 0x3 + +/* Address packet payload */ +#define SPE_ADDR_PKT_ADDR_BYTE7_SHIFT 56 +#define SPE_ADDR_PKT_ADDR_GET_BYTES_0_6(v) ((v) & GENMASK_ULL(55, 0)) +#define SPE_ADDR_PKT_ADDR_GET_BYTE_6(v) (((v) & GENMASK_ULL(55, 48)) >> 48) + +#define SPE_ADDR_PKT_GET_NS(v) (((v) & BIT_ULL(63)) >> 63) +#define SPE_ADDR_PKT_GET_EL(v) (((v) & GENMASK_ULL(62, 61)) >> 61) + +#define SPE_ADDR_PKT_EL0 0 +#define SPE_ADDR_PKT_EL1 1 +#define SPE_ADDR_PKT_EL2 2 +#define SPE_ADDR_PKT_EL3 3 const char *arm_spe_pkt_name(enum arm_spe_pkt_type); -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: Leo Yan <leo.yan@linaro.org> To: Arnaldo Carvalho de Melo <acme@kernel.org>, Andre Przywara <andre.przywara@arm.com>, Dave Martin <Dave.Martin@arm.com>, James Clark <james.clark@arm.com>, Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@redhat.com>, Mark Rutland <mark.rutland@arm.com>, Alexander Shishkin <alexander.shishkin@linux.intel.com>, Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>, Al Grant <Al.Grant@arm.com>, Wei Li <liwei391@huawei.com>, John Garry <john.garry@huawei.com>, Will Deacon <will@kernel.org>, Mathieu Poirier <mathieu.poirier@linaro.org>, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Leo Yan <leo.yan@linaro.org> Subject: [PATCH v9 04/16] perf arm-spe: Refactor address packet handling Date: Thu, 19 Nov 2020 23:24:29 +0800 [thread overview] Message-ID: <20201119152441.6972-5-leo.yan@linaro.org> (raw) In-Reply-To: <20201119152441.6972-1-leo.yan@linaro.org> This patch is to refactor address packet handling, it defines macros for address packet's header and payload, these macros are used by decoder and the dump flow. Signed-off-by: Leo Yan <leo.yan@linaro.org> Reviewed-by: Andre Przywara <andre.przywara@arm.com> --- .../util/arm-spe-decoder/arm-spe-decoder.c | 29 ++++++++------- .../arm-spe-decoder/arm-spe-pkt-decoder.c | 26 +++++++------- .../arm-spe-decoder/arm-spe-pkt-decoder.h | 35 ++++++++++++------- 3 files changed, 48 insertions(+), 42 deletions(-) diff --git a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c index cc18a1e8c212..776b3e6628bb 100644 --- a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c +++ b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c @@ -24,36 +24,35 @@ static u64 arm_spe_calc_ip(int index, u64 payload) { - u8 *addr = (u8 *)&payload; - int ns, el; + u64 ns, el; /* Instruction virtual address or Branch target address */ if (index == SPE_ADDR_PKT_HDR_INDEX_INS || index == SPE_ADDR_PKT_HDR_INDEX_BRANCH) { - ns = addr[7] & SPE_ADDR_PKT_NS; - el = (addr[7] & SPE_ADDR_PKT_EL_MASK) >> SPE_ADDR_PKT_EL_OFFSET; + ns = SPE_ADDR_PKT_GET_NS(payload); + el = SPE_ADDR_PKT_GET_EL(payload); + + /* Clean highest byte */ + payload = SPE_ADDR_PKT_ADDR_GET_BYTES_0_6(payload); /* Fill highest byte for EL1 or EL2 (VHE) mode */ if (ns && (el == SPE_ADDR_PKT_EL1 || el == SPE_ADDR_PKT_EL2)) - addr[7] = 0xff; - /* Clean highest byte for other cases */ - else - addr[7] = 0x0; + payload |= 0xffULL << SPE_ADDR_PKT_ADDR_BYTE7_SHIFT; /* Data access virtual address */ } else if (index == SPE_ADDR_PKT_HDR_INDEX_DATA_VIRT) { + /* Clean tags */ + payload = SPE_ADDR_PKT_ADDR_GET_BYTES_0_6(payload); + /* Fill highest byte if bits [48..55] is 0xff */ - if (addr[6] == 0xff) - addr[7] = 0xff; - /* Otherwise, cleanup tags */ - else - addr[7] = 0x0; + if (SPE_ADDR_PKT_ADDR_GET_BYTE_6(payload) == 0xffULL) + payload |= 0xffULL << SPE_ADDR_PKT_ADDR_BYTE7_SHIFT; /* Data access physical address */ } else if (index == SPE_ADDR_PKT_HDR_INDEX_DATA_PHYS) { - /* Cleanup byte 7 */ - addr[7] = 0x0; + /* Clean highest byte */ + payload = SPE_ADDR_PKT_ADDR_GET_BYTES_0_6(payload); } else { pr_err("unsupported address packet index: 0x%x\n", index); } 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 b16d68b40bbd..d37c4008adbc 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 @@ -13,9 +13,6 @@ #include "arm-spe-pkt-decoder.h" -#define NS_FLAG BIT_ULL(63) -#define EL_FLAG (BIT_ULL(62) | BIT_ULL(61)) - #if __BYTE_ORDER == __BIG_ENDIAN #define le16_to_cpu bswap_16 #define le32_to_cpu bswap_32 @@ -167,10 +164,11 @@ static int arm_spe_get_addr(const unsigned char *buf, size_t len, const unsigned char ext_hdr, struct arm_spe_pkt *packet) { packet->type = ARM_SPE_ADDRESS; + if (ext_hdr) - packet->index = ((buf[0] & 0x3) << 3) | (buf[1] & 0x7); + packet->index = SPE_HDR_EXTENDED_INDEX(buf[0], buf[1]); else - packet->index = buf[0] & 0x7; + packet->index = SPE_HDR_SHORT_INDEX(buf[0]); return arm_spe_get_payload(buf, len, ext_hdr, packet); } @@ -296,22 +294,22 @@ static int arm_spe_pkt_desc_addr(const struct arm_spe_pkt *packet, int err = 0; switch (idx) { - case 0: - case 1: - ns = !!(packet->payload & NS_FLAG); - el = (packet->payload & EL_FLAG) >> 61; - payload &= ~(0xffULL << 56); + case SPE_ADDR_PKT_HDR_INDEX_INS: + case SPE_ADDR_PKT_HDR_INDEX_BRANCH: + ns = !!SPE_ADDR_PKT_GET_NS(payload); + el = SPE_ADDR_PKT_GET_EL(payload); + payload = SPE_ADDR_PKT_ADDR_GET_BYTES_0_6(payload); 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: + case SPE_ADDR_PKT_HDR_INDEX_DATA_VIRT: arm_spe_pkt_out_string(&err, &buf, &buf_len, "VA 0x%llx", payload); break; - case 3: - ns = !!(packet->payload & NS_FLAG); - payload &= ~(0xffULL << 56); + case SPE_ADDR_PKT_HDR_INDEX_DATA_PHYS: + ns = !!SPE_ADDR_PKT_GET_NS(payload); + payload = SPE_ADDR_PKT_ADDR_GET_BYTES_0_6(payload); arm_spe_pkt_out_string(&err, &buf, &buf_len, "PA 0x%llx ns=%d", payload, ns); break; diff --git a/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h b/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h index 129f43405eb1..f97d6840be3a 100644 --- a/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h +++ b/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h @@ -56,19 +56,28 @@ struct arm_spe_pkt { #define SPE_HEADER0_COUNTER 0x98 #define SPE_HEADER1_ALIGNMENT 0x0 -#define SPE_ADDR_PKT_HDR_INDEX_INS (0x0) -#define SPE_ADDR_PKT_HDR_INDEX_BRANCH (0x1) -#define SPE_ADDR_PKT_HDR_INDEX_DATA_VIRT (0x2) -#define SPE_ADDR_PKT_HDR_INDEX_DATA_PHYS (0x3) - -#define SPE_ADDR_PKT_NS BIT(7) -#define SPE_ADDR_PKT_CH BIT(6) -#define SPE_ADDR_PKT_EL_OFFSET (5) -#define SPE_ADDR_PKT_EL_MASK (0x3 << SPE_ADDR_PKT_EL_OFFSET) -#define SPE_ADDR_PKT_EL0 (0) -#define SPE_ADDR_PKT_EL1 (1) -#define SPE_ADDR_PKT_EL2 (2) -#define SPE_ADDR_PKT_EL3 (3) +#define SPE_HDR_SHORT_INDEX(h) ((h) & GENMASK_ULL(2, 0)) +#define SPE_HDR_EXTENDED_INDEX(h0, h1) (((h0) & GENMASK_ULL(1, 0)) << 3 | \ + SPE_HDR_SHORT_INDEX(h1)) + +/* Address packet header */ +#define SPE_ADDR_PKT_HDR_INDEX_INS 0x0 +#define SPE_ADDR_PKT_HDR_INDEX_BRANCH 0x1 +#define SPE_ADDR_PKT_HDR_INDEX_DATA_VIRT 0x2 +#define SPE_ADDR_PKT_HDR_INDEX_DATA_PHYS 0x3 + +/* Address packet payload */ +#define SPE_ADDR_PKT_ADDR_BYTE7_SHIFT 56 +#define SPE_ADDR_PKT_ADDR_GET_BYTES_0_6(v) ((v) & GENMASK_ULL(55, 0)) +#define SPE_ADDR_PKT_ADDR_GET_BYTE_6(v) (((v) & GENMASK_ULL(55, 48)) >> 48) + +#define SPE_ADDR_PKT_GET_NS(v) (((v) & BIT_ULL(63)) >> 63) +#define SPE_ADDR_PKT_GET_EL(v) (((v) & GENMASK_ULL(62, 61)) >> 61) + +#define SPE_ADDR_PKT_EL0 0 +#define SPE_ADDR_PKT_EL1 1 +#define SPE_ADDR_PKT_EL2 2 +#define SPE_ADDR_PKT_EL3 3 const char *arm_spe_pkt_name(enum arm_spe_pkt_type); -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-11-19 15:25 UTC|newest] Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-11-19 15:24 [PATCH v9 00/16] perf arm-spe: Refactor decoding & dumping flow Leo Yan 2020-11-19 15:24 ` Leo Yan 2020-11-19 15:24 ` [PATCH v9 01/16] perf arm-spe: Refactor printing string to buffer Leo Yan 2020-11-19 15:24 ` Leo Yan 2020-11-26 12:11 ` Arnaldo Carvalho de Melo 2020-11-26 12:11 ` Arnaldo Carvalho de Melo 2020-11-26 14:31 ` Leo Yan 2020-11-26 14:31 ` Leo Yan 2020-11-19 15:24 ` [PATCH v9 02/16] perf arm-spe: Refactor packet header parsing Leo Yan 2020-11-19 15:24 ` Leo Yan 2020-11-19 15:24 ` [PATCH v9 03/16] perf arm-spe: Add new function arm_spe_pkt_desc_addr() Leo Yan 2020-11-19 15:24 ` Leo Yan 2020-11-19 15:24 ` Leo Yan [this message] 2020-11-19 15:24 ` [PATCH v9 04/16] perf arm-spe: Refactor address packet handling Leo Yan 2020-11-19 15:24 ` [PATCH v9 05/16] perf arm_spe: Fixup top byte for data virtual address Leo Yan 2020-11-19 15:24 ` Leo Yan 2020-11-19 15:24 ` [PATCH v9 06/16] perf arm-spe: Refactor context packet handling Leo Yan 2020-11-19 15:24 ` Leo Yan 2020-11-19 15:24 ` [PATCH v9 07/16] perf arm-spe: Add new function arm_spe_pkt_desc_counter() Leo Yan 2020-11-19 15:24 ` Leo Yan 2020-11-19 15:24 ` [PATCH v9 08/16] perf arm-spe: Refactor counter packet handling Leo Yan 2020-11-19 15:24 ` Leo Yan 2020-11-19 15:24 ` [PATCH v9 09/16] perf arm-spe: Add new function arm_spe_pkt_desc_event() Leo Yan 2020-11-19 15:24 ` Leo Yan 2020-11-19 15:24 ` [PATCH v9 10/16] perf arm-spe: Refactor event type handling Leo Yan 2020-11-19 15:24 ` Leo Yan 2020-11-19 15:24 ` [PATCH v9 11/16] perf arm-spe: Remove size condition checking for events Leo Yan 2020-11-19 15:24 ` Leo Yan 2020-11-19 15:24 ` [PATCH v9 12/16] perf arm-spe: Add new function arm_spe_pkt_desc_op_type() Leo Yan 2020-11-19 15:24 ` Leo Yan 2020-11-19 15:24 ` [PATCH v9 13/16] perf arm-spe: Refactor operation packet handling Leo Yan 2020-11-19 15:24 ` Leo Yan 2020-11-19 15:24 ` [PATCH v9 14/16] perf arm-spe: Add more sub classes for operation packet Leo Yan 2020-11-19 15:24 ` Leo Yan 2020-11-19 15:24 ` [PATCH v9 15/16] perf arm_spe: Decode memory tagging properties Leo Yan 2020-11-19 15:24 ` Leo Yan 2020-11-19 15:24 ` [PATCH v9 16/16] perf arm-spe: Add support for ARMv8.3-SPE Leo Yan 2020-11-19 15:24 ` Leo Yan 2020-11-25 14:17 ` [PATCH v9 00/16] perf arm-spe: Refactor decoding & dumping flow Will Deacon 2020-11-25 14:17 ` Will Deacon 2020-11-26 12:10 ` Arnaldo Carvalho de Melo 2020-11-26 12:10 ` Arnaldo Carvalho de Melo 2020-11-26 14:30 ` Leo Yan 2020-11-26 14:30 ` Leo Yan
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