#include <stdio.h>
#include <string.h>
#include <endian.h>
#include <byteswap.h>
#include "arm-spe-pkt-decoder.h"

Include dependency graph for arm-spe-pkt-decoder.c:

Macros
#define	BIT(n) (1ULL << (n))

#define	NS_FLAG BIT(63)

#define	EL_FLAG (BIT(62) \| BIT(61))

#define	SPE_HEADER0_PAD 0x0

#define	SPE_HEADER0_END 0x1

#define	SPE_HEADER0_ADDRESS 0x30 /* address packet (short) */

#define	SPE_HEADER0_ADDRESS_MASK 0x38

#define	SPE_HEADER0_COUNTER 0x18 /* counter packet (short) */

#define	SPE_HEADER0_COUNTER_MASK 0x38

#define	SPE_HEADER0_TIMESTAMP 0x71

#define	SPE_HEADER0_TIMESTAMP 0x71

#define	SPE_HEADER0_EVENTS 0x2

#define	SPE_HEADER0_EVENTS_MASK 0xf

#define	SPE_HEADER0_SOURCE 0x3

#define	SPE_HEADER0_SOURCE_MASK 0xf

#define	SPE_HEADER0_CONTEXT 0x24

#define	SPE_HEADER0_CONTEXT_MASK 0x3c

#define	SPE_HEADER0_OP_TYPE 0x8

#define	SPE_HEADER0_OP_TYPE_MASK 0x3c

#define	SPE_HEADER1_ALIGNMENT 0x0

#define	SPE_HEADER1_ADDRESS 0xb0 /* address packet (extended) */

#define	SPE_HEADER1_ADDRESS_MASK 0xf8

#define	SPE_HEADER1_COUNTER 0x98 /* counter packet (extended) */

#define	SPE_HEADER1_COUNTER_MASK 0xf8

#define	le16_to_cpu bswap_16

#define	le32_to_cpu bswap_32

#define	le64_to_cpu bswap_64

#define	memcpy_le64(d, s, n)

Functions
const char *	arm_spe_pkt_name (enum arm_spe_pkt_type type)

static int	payloadlen (unsigned char byte)

static int	arm_spe_get_payload (const unsigned char buf, size_t len, struct arm_spe_pkt packet)

static int	arm_spe_get_pad (struct arm_spe_pkt *packet)

static int	arm_spe_get_alignment (const unsigned char buf, size_t len, struct arm_spe_pkt packet)

static int	arm_spe_get_end (struct arm_spe_pkt *packet)

static int	arm_spe_get_timestamp (const unsigned char buf, size_t len, struct arm_spe_pkt packet)

static int	arm_spe_get_events (const unsigned char buf, size_t len, struct arm_spe_pkt packet)

static int	arm_spe_get_data_source (const unsigned char buf, size_t len, struct arm_spe_pkt packet)

static int	arm_spe_get_context (const unsigned char buf, size_t len, struct arm_spe_pkt packet)

static int	arm_spe_get_op_type (const unsigned char buf, size_t len, struct arm_spe_pkt packet)

static int	arm_spe_get_counter (const unsigned char buf, size_t len, const unsigned char ext_hdr, struct arm_spe_pkt packet)

static int	arm_spe_get_addr (const unsigned char buf, size_t len, const unsigned char ext_hdr, struct arm_spe_pkt packet)

static int	arm_spe_do_get_packet (const unsigned char buf, size_t len, struct arm_spe_pkt packet)

int	arm_spe_get_packet (const unsigned char buf, size_t len, struct arm_spe_pkt packet)

int	arm_spe_pkt_desc (const struct arm_spe_pkt packet, char buf, size_t buf_len)

Variables
static const char *const	arm_spe_packet_name []

Macro Definition Documentation

◆ BIT

#define BIT ( n ) (1ULL << (n))

Definition at line 14 of file arm-spe-pkt-decoder.c.

◆ EL_FLAG

#define EL_FLAG (BIT(62) | BIT(61))

Definition at line 17 of file arm-spe-pkt-decoder.c.

◆ le16_to_cpu

#define le16_to_cpu bswap_16

Definition at line 42 of file arm-spe-pkt-decoder.c.

◆ le32_to_cpu

#define le32_to_cpu bswap_32

Definition at line 43 of file arm-spe-pkt-decoder.c.

◆ le64_to_cpu

#define le64_to_cpu bswap_64

Definition at line 44 of file arm-spe-pkt-decoder.c.

◆ memcpy_le64

#define memcpy_le64	(	d,
		s,
		n
	)

Value:

do { \
    memcpy((d), (s), (n));    \
    *(d) = le64_to_cpu(*(d)); \
} while (0)

Definition at line 45 of file arm-spe-pkt-decoder.c.

◆ NS_FLAG

#define NS_FLAG BIT(63)

Definition at line 16 of file arm-spe-pkt-decoder.c.

◆ SPE_HEADER0_ADDRESS

#define SPE_HEADER0_ADDRESS 0x30 /* address packet (short) */

Definition at line 21 of file arm-spe-pkt-decoder.c.

◆ SPE_HEADER0_ADDRESS_MASK

#define SPE_HEADER0_ADDRESS_MASK 0x38

Definition at line 22 of file arm-spe-pkt-decoder.c.

◆ SPE_HEADER0_CONTEXT

#define SPE_HEADER0_CONTEXT 0x24

Definition at line 31 of file arm-spe-pkt-decoder.c.

◆ SPE_HEADER0_CONTEXT_MASK

#define SPE_HEADER0_CONTEXT_MASK 0x3c

Definition at line 32 of file arm-spe-pkt-decoder.c.

◆ SPE_HEADER0_COUNTER

#define SPE_HEADER0_COUNTER 0x18 /* counter packet (short) */

Definition at line 23 of file arm-spe-pkt-decoder.c.

◆ SPE_HEADER0_COUNTER_MASK

#define SPE_HEADER0_COUNTER_MASK 0x38

Definition at line 24 of file arm-spe-pkt-decoder.c.

◆ SPE_HEADER0_END

#define SPE_HEADER0_END 0x1

Definition at line 20 of file arm-spe-pkt-decoder.c.

◆ SPE_HEADER0_EVENTS

#define SPE_HEADER0_EVENTS 0x2

Definition at line 27 of file arm-spe-pkt-decoder.c.

◆ SPE_HEADER0_EVENTS_MASK

#define SPE_HEADER0_EVENTS_MASK 0xf

Definition at line 28 of file arm-spe-pkt-decoder.c.

◆ SPE_HEADER0_OP_TYPE

#define SPE_HEADER0_OP_TYPE 0x8

Definition at line 33 of file arm-spe-pkt-decoder.c.

◆ SPE_HEADER0_OP_TYPE_MASK

#define SPE_HEADER0_OP_TYPE_MASK 0x3c

Definition at line 34 of file arm-spe-pkt-decoder.c.

◆ SPE_HEADER0_PAD

#define SPE_HEADER0_PAD 0x0

Definition at line 19 of file arm-spe-pkt-decoder.c.

◆ SPE_HEADER0_SOURCE

#define SPE_HEADER0_SOURCE 0x3

Definition at line 29 of file arm-spe-pkt-decoder.c.

◆ SPE_HEADER0_SOURCE_MASK

#define SPE_HEADER0_SOURCE_MASK 0xf

Definition at line 30 of file arm-spe-pkt-decoder.c.

◆ SPE_HEADER0_TIMESTAMP [1/2]

#define SPE_HEADER0_TIMESTAMP 0x71

Definition at line 26 of file arm-spe-pkt-decoder.c.

◆ SPE_HEADER0_TIMESTAMP [2/2]

#define SPE_HEADER0_TIMESTAMP 0x71

Definition at line 26 of file arm-spe-pkt-decoder.c.

◆ SPE_HEADER1_ADDRESS

#define SPE_HEADER1_ADDRESS 0xb0 /* address packet (extended) */

Definition at line 36 of file arm-spe-pkt-decoder.c.

◆ SPE_HEADER1_ADDRESS_MASK

#define SPE_HEADER1_ADDRESS_MASK 0xf8

Definition at line 37 of file arm-spe-pkt-decoder.c.

◆ SPE_HEADER1_ALIGNMENT

#define SPE_HEADER1_ALIGNMENT 0x0

Definition at line 35 of file arm-spe-pkt-decoder.c.

◆ SPE_HEADER1_COUNTER

#define SPE_HEADER1_COUNTER 0x98 /* counter packet (extended) */

Definition at line 38 of file arm-spe-pkt-decoder.c.

◆ SPE_HEADER1_COUNTER_MASK

#define SPE_HEADER1_COUNTER_MASK 0xf8

Definition at line 39 of file arm-spe-pkt-decoder.c.

Function Documentation

◆ arm_spe_do_get_packet()

static int arm_spe_do_get_packet	(	const unsigned char *	buf,
		size_t	len,
		struct arm_spe_pkt *	packet
	)

static

Definition at line 212 of file arm-spe-pkt-decoder.c.

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◆ arm_spe_get_addr()

static int arm_spe_get_addr	(	const unsigned char *	buf,
		size_t	len,
		const unsigned char	ext_hdr,
		struct arm_spe_pkt *	packet
	)

static

Definition at line 195 of file arm-spe-pkt-decoder.c.

◆ arm_spe_get_alignment()

static int arm_spe_get_alignment	(	const unsigned char *	buf,
		size_t	len,
		struct arm_spe_pkt *	packet
	)

static

Definition at line 112 of file arm-spe-pkt-decoder.c.

◆ arm_spe_get_context()

static int arm_spe_get_context	(	const unsigned char *	buf,
		size_t	len,
		struct arm_spe_pkt *	packet
	)

static

Definition at line 161 of file arm-spe-pkt-decoder.c.

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◆ arm_spe_get_counter()

static int arm_spe_get_counter	(	const unsigned char *	buf,
		size_t	len,
		const unsigned char	ext_hdr,
		struct arm_spe_pkt *	packet
	)

static

Definition at line 178 of file arm-spe-pkt-decoder.c.

◆ arm_spe_get_data_source()

static int arm_spe_get_data_source	(	const unsigned char *	buf,
		size_t	len,
		struct arm_spe_pkt *	packet
	)

static

Definition at line 154 of file arm-spe-pkt-decoder.c.

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◆ arm_spe_get_end()

static int arm_spe_get_end ( struct arm_spe_pkt * packet )

static

Definition at line 124 of file arm-spe-pkt-decoder.c.

◆ arm_spe_get_events()

static int arm_spe_get_events	(	const unsigned char *	buf,
		size_t	len,
		struct arm_spe_pkt *	packet
	)

static

Definition at line 137 of file arm-spe-pkt-decoder.c.

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◆ arm_spe_get_op_type()

static int arm_spe_get_op_type	(	const unsigned char *	buf,
		size_t	len,
		struct arm_spe_pkt *	packet
	)

static

Definition at line 170 of file arm-spe-pkt-decoder.c.

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◆ arm_spe_get_packet()

int arm_spe_get_packet	(	const unsigned char *	buf,
		size_t	len,
		struct arm_spe_pkt *	packet
	)

Definition at line 258 of file arm-spe-pkt-decoder.c.

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◆ arm_spe_get_pad()

static int arm_spe_get_pad ( struct arm_spe_pkt * packet )

static

Definition at line 106 of file arm-spe-pkt-decoder.c.

◆ arm_spe_get_payload()

static int arm_spe_get_payload	(	const unsigned char *	buf,
		size_t	len,
		struct arm_spe_pkt *	packet
	)

static

Definition at line 85 of file arm-spe-pkt-decoder.c.

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◆ arm_spe_get_timestamp()

static int arm_spe_get_timestamp	(	const unsigned char *	buf,
		size_t	len,
		struct arm_spe_pkt *	packet
	)

static

Definition at line 130 of file arm-spe-pkt-decoder.c.

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◆ arm_spe_pkt_desc()

int arm_spe_pkt_desc	(	const struct arm_spe_pkt *	packet,
		char *	buf,
		size_t	buf_len
	)

Definition at line 274 of file arm-spe-pkt-decoder.c.

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◆ arm_spe_pkt_name()

const char* arm_spe_pkt_name ( enum arm_spe_pkt_type type )

Definition at line 68 of file arm-spe-pkt-decoder.c.

◆ payloadlen()

static int payloadlen ( unsigned char byte )

static

Definition at line 80 of file arm-spe-pkt-decoder.c.

Variable Documentation

◆ arm_spe_packet_name

const char* const arm_spe_packet_name[]

static

Initial value:

= {
    [ARM_SPE_PAD]       = "PAD",
    [ARM_SPE_END]       = "END",
    [ARM_SPE_TIMESTAMP] = "TS",
    [ARM_SPE_ADDRESS]   = "ADDR",
    [ARM_SPE_COUNTER]   = "LAT",
    [ARM_SPE_CONTEXT]   = "CONTEXT",
    [ARM_SPE_OP_TYPE]   = "OP-TYPE",
    [ARM_SPE_EVENTS]    = "EVENTS",
    [ARM_SPE_DATA_SOURCE]   = "DATA-SOURCE",
}

Definition at line 56 of file arm-spe-pkt-decoder.c.

Macros

Functions

Variables

Macro Definition Documentation

◆ BIT

◆ EL_FLAG

◆ le16_to_cpu

◆ le32_to_cpu

◆ le64_to_cpu

◆ memcpy_le64

◆ NS_FLAG

◆ SPE_HEADER0_ADDRESS

◆ SPE_HEADER0_ADDRESS_MASK

◆ SPE_HEADER0_CONTEXT

◆ SPE_HEADER0_CONTEXT_MASK

◆ SPE_HEADER0_COUNTER

◆ SPE_HEADER0_COUNTER_MASK

◆ SPE_HEADER0_END

◆ SPE_HEADER0_EVENTS

◆ SPE_HEADER0_EVENTS_MASK

◆ SPE_HEADER0_OP_TYPE

◆ SPE_HEADER0_OP_TYPE_MASK

◆ SPE_HEADER0_PAD

◆ SPE_HEADER0_SOURCE

◆ SPE_HEADER0_SOURCE_MASK

◆ SPE_HEADER0_TIMESTAMP [1/2]

◆ SPE_HEADER0_TIMESTAMP [2/2]

◆ SPE_HEADER1_ADDRESS

◆ SPE_HEADER1_ADDRESS_MASK

◆ SPE_HEADER1_ALIGNMENT

◆ SPE_HEADER1_COUNTER

◆ SPE_HEADER1_COUNTER_MASK

Function Documentation

◆ arm_spe_do_get_packet()

◆ arm_spe_get_addr()

◆ arm_spe_get_alignment()

◆ arm_spe_get_context()

◆ arm_spe_get_counter()

◆ arm_spe_get_data_source()

◆ arm_spe_get_end()

◆ arm_spe_get_events()

◆ arm_spe_get_op_type()

◆ arm_spe_get_packet()

◆ arm_spe_get_pad()

◆ arm_spe_get_payload()

◆ arm_spe_get_timestamp()

◆ arm_spe_pkt_desc()

◆ arm_spe_pkt_name()

◆ payloadlen()

Variable Documentation

◆ arm_spe_packet_name