^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Arm Statistical Profiling Extensions (SPE) support
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright (c) 2017-2018, Arm Ltd.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <stdio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <endian.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <byteswap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include "arm-spe-pkt-decoder.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #define BIT(n) (1ULL << (n))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #define NS_FLAG BIT(63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #define EL_FLAG (BIT(62) | BIT(61))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #define SPE_HEADER0_PAD 0x0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #define SPE_HEADER0_END 0x1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define SPE_HEADER0_ADDRESS 0x30 /* address packet (short) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #define SPE_HEADER0_ADDRESS_MASK 0x38
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define SPE_HEADER0_COUNTER 0x18 /* counter packet (short) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define SPE_HEADER0_COUNTER_MASK 0x38
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define SPE_HEADER0_TIMESTAMP 0x71
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define SPE_HEADER0_TIMESTAMP 0x71
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define SPE_HEADER0_EVENTS 0x2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define SPE_HEADER0_EVENTS_MASK 0xf
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #define SPE_HEADER0_SOURCE 0x3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #define SPE_HEADER0_SOURCE_MASK 0xf
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define SPE_HEADER0_CONTEXT 0x24
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #define SPE_HEADER0_CONTEXT_MASK 0x3c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define SPE_HEADER0_OP_TYPE 0x8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #define SPE_HEADER0_OP_TYPE_MASK 0x3c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #define SPE_HEADER1_ALIGNMENT 0x0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define SPE_HEADER1_ADDRESS 0xb0 /* address packet (extended) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define SPE_HEADER1_ADDRESS_MASK 0xf8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define SPE_HEADER1_COUNTER 0x98 /* counter packet (extended) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define SPE_HEADER1_COUNTER_MASK 0xf8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #if __BYTE_ORDER == __BIG_ENDIAN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #define le16_to_cpu bswap_16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #define le32_to_cpu bswap_32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #define le64_to_cpu bswap_64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #define memcpy_le64(d, s, n) do { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) memcpy((d), (s), (n)); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) *(d) = le64_to_cpu(*(d)); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #define le16_to_cpu
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #define le32_to_cpu
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) #define le64_to_cpu
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #define memcpy_le64 memcpy
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) static const char * const arm_spe_packet_name[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) [ARM_SPE_PAD] = "PAD",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) [ARM_SPE_END] = "END",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) [ARM_SPE_TIMESTAMP] = "TS",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) [ARM_SPE_ADDRESS] = "ADDR",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) [ARM_SPE_COUNTER] = "LAT",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) [ARM_SPE_CONTEXT] = "CONTEXT",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) [ARM_SPE_OP_TYPE] = "OP-TYPE",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) [ARM_SPE_EVENTS] = "EVENTS",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) [ARM_SPE_DATA_SOURCE] = "DATA-SOURCE",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) const char *arm_spe_pkt_name(enum arm_spe_pkt_type type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) return arm_spe_packet_name[type];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) /* return ARM SPE payload size from its encoding,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) * which is in bits 5:4 of the byte.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) * 00 : byte
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) * 01 : halfword (2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) * 10 : word (4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) * 11 : doubleword (8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) static int payloadlen(unsigned char byte)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) return 1 << ((byte & 0x30) >> 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) static int arm_spe_get_payload(const unsigned char *buf, size_t len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) struct arm_spe_pkt *packet)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) size_t payload_len = payloadlen(buf[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) if (len < 1 + payload_len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) return ARM_SPE_NEED_MORE_BYTES;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) buf++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) switch (payload_len) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) case 1: packet->payload = *(uint8_t *)buf; break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) case 2: packet->payload = le16_to_cpu(*(uint16_t *)buf); break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) case 4: packet->payload = le32_to_cpu(*(uint32_t *)buf); break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) case 8: packet->payload = le64_to_cpu(*(uint64_t *)buf); break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) default: return ARM_SPE_BAD_PACKET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) return 1 + payload_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) static int arm_spe_get_pad(struct arm_spe_pkt *packet)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) packet->type = ARM_SPE_PAD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) static int arm_spe_get_alignment(const unsigned char *buf, size_t len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) struct arm_spe_pkt *packet)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) unsigned int alignment = 1 << ((buf[0] & 0xf) + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) if (len < alignment)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) return ARM_SPE_NEED_MORE_BYTES;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) packet->type = ARM_SPE_PAD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) return alignment - (((uintptr_t)buf) & (alignment - 1));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) static int arm_spe_get_end(struct arm_spe_pkt *packet)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) packet->type = ARM_SPE_END;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) static int arm_spe_get_timestamp(const unsigned char *buf, size_t len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) struct arm_spe_pkt *packet)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) packet->type = ARM_SPE_TIMESTAMP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) return arm_spe_get_payload(buf, len, packet);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) static int arm_spe_get_events(const unsigned char *buf, size_t len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) struct arm_spe_pkt *packet)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) int ret = arm_spe_get_payload(buf, len, packet);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) packet->type = ARM_SPE_EVENTS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) /* we use index to identify Events with a less number of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) * comparisons in arm_spe_pkt_desc(): E.g., the LLC-ACCESS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) * LLC-REFILL, and REMOTE-ACCESS events are identified iff
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) * index > 1.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) packet->index = ret - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) static int arm_spe_get_data_source(const unsigned char *buf, size_t len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) struct arm_spe_pkt *packet)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) packet->type = ARM_SPE_DATA_SOURCE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) return arm_spe_get_payload(buf, len, packet);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) static int arm_spe_get_context(const unsigned char *buf, size_t len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) struct arm_spe_pkt *packet)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) packet->type = ARM_SPE_CONTEXT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) packet->index = buf[0] & 0x3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) return arm_spe_get_payload(buf, len, packet);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) static int arm_spe_get_op_type(const unsigned char *buf, size_t len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) struct arm_spe_pkt *packet)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) packet->type = ARM_SPE_OP_TYPE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) packet->index = buf[0] & 0x3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) return arm_spe_get_payload(buf, len, packet);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) static int arm_spe_get_counter(const unsigned char *buf, size_t len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) const unsigned char ext_hdr, struct arm_spe_pkt *packet)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) if (len < 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) return ARM_SPE_NEED_MORE_BYTES;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) packet->type = ARM_SPE_COUNTER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) if (ext_hdr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) packet->index = ((buf[0] & 0x3) << 3) | (buf[1] & 0x7);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) packet->index = buf[0] & 0x7;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) packet->payload = le16_to_cpu(*(uint16_t *)(buf + 1));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) return 1 + ext_hdr + 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) static int arm_spe_get_addr(const unsigned char *buf, size_t len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) const unsigned char ext_hdr, struct arm_spe_pkt *packet)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) if (len < 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) return ARM_SPE_NEED_MORE_BYTES;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) packet->type = ARM_SPE_ADDRESS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) if (ext_hdr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) packet->index = ((buf[0] & 0x3) << 3) | (buf[1] & 0x7);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) packet->index = buf[0] & 0x7;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) memcpy_le64(&packet->payload, buf + 1, 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) return 1 + ext_hdr + 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) static int arm_spe_do_get_packet(const unsigned char *buf, size_t len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) struct arm_spe_pkt *packet)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) unsigned int byte;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) memset(packet, 0, sizeof(struct arm_spe_pkt));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) if (!len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) return ARM_SPE_NEED_MORE_BYTES;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) byte = buf[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) if (byte == SPE_HEADER0_PAD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) return arm_spe_get_pad(packet);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) else if (byte == SPE_HEADER0_END) /* no timestamp at end of record */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) return arm_spe_get_end(packet);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) else if (byte & 0xc0 /* 0y11xxxxxx */) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) if (byte & 0x80) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) if ((byte & SPE_HEADER0_ADDRESS_MASK) == SPE_HEADER0_ADDRESS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) return arm_spe_get_addr(buf, len, 0, packet);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) if ((byte & SPE_HEADER0_COUNTER_MASK) == SPE_HEADER0_COUNTER)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) return arm_spe_get_counter(buf, len, 0, packet);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) if (byte == SPE_HEADER0_TIMESTAMP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) return arm_spe_get_timestamp(buf, len, packet);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) else if ((byte & SPE_HEADER0_EVENTS_MASK) == SPE_HEADER0_EVENTS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) return arm_spe_get_events(buf, len, packet);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) else if ((byte & SPE_HEADER0_SOURCE_MASK) == SPE_HEADER0_SOURCE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) return arm_spe_get_data_source(buf, len, packet);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) else if ((byte & SPE_HEADER0_CONTEXT_MASK) == SPE_HEADER0_CONTEXT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) return arm_spe_get_context(buf, len, packet);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) else if ((byte & SPE_HEADER0_OP_TYPE_MASK) == SPE_HEADER0_OP_TYPE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) return arm_spe_get_op_type(buf, len, packet);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) } else if ((byte & 0xe0) == 0x20 /* 0y001xxxxx */) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) /* 16-bit header */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) byte = buf[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) if (byte == SPE_HEADER1_ALIGNMENT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) return arm_spe_get_alignment(buf, len, packet);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) else if ((byte & SPE_HEADER1_ADDRESS_MASK) == SPE_HEADER1_ADDRESS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) return arm_spe_get_addr(buf, len, 1, packet);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) else if ((byte & SPE_HEADER1_COUNTER_MASK) == SPE_HEADER1_COUNTER)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) return arm_spe_get_counter(buf, len, 1, packet);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) return ARM_SPE_BAD_PACKET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) int arm_spe_get_packet(const unsigned char *buf, size_t len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) struct arm_spe_pkt *packet)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) ret = arm_spe_do_get_packet(buf, len, packet);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) /* put multiple consecutive PADs on the same line, up to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) * the fixed-width output format of 16 bytes per line.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) if (ret > 0 && packet->type == ARM_SPE_PAD) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) while (ret < 16 && len > (size_t)ret && !buf[ret])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) ret += 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) int arm_spe_pkt_desc(const struct arm_spe_pkt *packet, char *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) size_t buf_len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) int ret, ns, el, idx = packet->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) unsigned long long payload = packet->payload;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) const char *name = arm_spe_pkt_name(packet->type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) switch (packet->type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) case ARM_SPE_BAD:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) case ARM_SPE_PAD:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) case ARM_SPE_END:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) return snprintf(buf, buf_len, "%s", name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) case ARM_SPE_EVENTS: {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) size_t blen = buf_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) ret = snprintf(buf, buf_len, "EV");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) buf += ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) blen -= ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) if (payload & 0x1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) ret = snprintf(buf, buf_len, " EXCEPTION-GEN");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) buf += ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) blen -= ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) if (payload & 0x2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) ret = snprintf(buf, buf_len, " RETIRED");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) buf += ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) blen -= ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) if (payload & 0x4) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) ret = snprintf(buf, buf_len, " L1D-ACCESS");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) buf += ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) blen -= ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) if (payload & 0x8) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) ret = snprintf(buf, buf_len, " L1D-REFILL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) buf += ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) blen -= ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) if (payload & 0x10) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) ret = snprintf(buf, buf_len, " TLB-ACCESS");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) buf += ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) blen -= ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) if (payload & 0x20) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) ret = snprintf(buf, buf_len, " TLB-REFILL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) buf += ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) blen -= ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) if (payload & 0x40) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) ret = snprintf(buf, buf_len, " NOT-TAKEN");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) buf += ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) blen -= ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) if (payload & 0x80) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) ret = snprintf(buf, buf_len, " MISPRED");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) buf += ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) blen -= ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) if (idx > 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) if (payload & 0x100) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) ret = snprintf(buf, buf_len, " LLC-ACCESS");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) buf += ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) blen -= ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) if (payload & 0x200) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) ret = snprintf(buf, buf_len, " LLC-REFILL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) buf += ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) blen -= ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) if (payload & 0x400) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) ret = snprintf(buf, buf_len, " REMOTE-ACCESS");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) buf += ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) blen -= ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) blen -= ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) return buf_len - blen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) case ARM_SPE_OP_TYPE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) switch (idx) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) case 0: return snprintf(buf, buf_len, "%s", payload & 0x1 ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) "COND-SELECT" : "INSN-OTHER");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) case 1: {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) size_t blen = buf_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) if (payload & 0x1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) ret = snprintf(buf, buf_len, "ST");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) ret = snprintf(buf, buf_len, "LD");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) buf += ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) blen -= ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) if (payload & 0x2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) if (payload & 0x4) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) ret = snprintf(buf, buf_len, " AT");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) buf += ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) blen -= ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) if (payload & 0x8) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) ret = snprintf(buf, buf_len, " EXCL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) buf += ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) blen -= ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) if (payload & 0x10) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) ret = snprintf(buf, buf_len, " AR");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) buf += ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) blen -= ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) } else if (payload & 0x4) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) ret = snprintf(buf, buf_len, " SIMD-FP");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) buf += ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) blen -= ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) blen -= ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) return buf_len - blen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) case 2: {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) size_t blen = buf_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) ret = snprintf(buf, buf_len, "B");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) buf += ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) blen -= ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) if (payload & 0x1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) ret = snprintf(buf, buf_len, " COND");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) buf += ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) blen -= ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) if (payload & 0x2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) ret = snprintf(buf, buf_len, " IND");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) buf += ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) blen -= ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) blen -= ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) return buf_len - blen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) default: return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) case ARM_SPE_DATA_SOURCE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) case ARM_SPE_TIMESTAMP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) return snprintf(buf, buf_len, "%s %lld", name, payload);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) case ARM_SPE_ADDRESS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) switch (idx) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) case 1: ns = !!(packet->payload & NS_FLAG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) el = (packet->payload & EL_FLAG) >> 61;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) payload &= ~(0xffULL << 56);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) return snprintf(buf, buf_len, "%s 0x%llx el%d ns=%d",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) (idx == 1) ? "TGT" : "PC", payload, el, ns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) case 2: return snprintf(buf, buf_len, "VA 0x%llx", payload);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) case 3: ns = !!(packet->payload & NS_FLAG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) payload &= ~(0xffULL << 56);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) return snprintf(buf, buf_len, "PA 0x%llx ns=%d",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) payload, ns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) default: return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) case ARM_SPE_CONTEXT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) return snprintf(buf, buf_len, "%s 0x%lx el%d", name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) (unsigned long)payload, idx + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) case ARM_SPE_COUNTER: {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) size_t blen = buf_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) ret = snprintf(buf, buf_len, "%s %d ", name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) (unsigned short)payload);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) buf += ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) blen -= ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) switch (idx) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) case 0: ret = snprintf(buf, buf_len, "TOT"); break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) case 1: ret = snprintf(buf, buf_len, "ISSUE"); break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) case 2: ret = snprintf(buf, buf_len, "XLAT"); break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) default: ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) blen -= ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) return buf_len - blen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) return snprintf(buf, buf_len, "%s 0x%llx (%d)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) name, payload, packet->index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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