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soft/rmbox/rmbox.c

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/*
* mbox dump to debug log convertor.
*
* Copyright (c) 2015, Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*/
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <stdint.h>
#include <errno.h>
#include <string.h>
#include <ctype.h>
#define KNRM "\x1B[0m"
#define KRED "\x1B[31m"
// TODO: include all this stuff
#define TRACE_CLASS_IRQ (1 << 24)
#define TRACE_CLASS_IPC (2 << 24)
#define TRACE_CLASS_PIPE (3 << 24)
#define TRACE_CLASS_HOST (4 << 24)
#define TRACE_CLASS_DAI (5 << 24)
#define TRACE_CLASS_DMA (6 << 24)
#define TRACE_CLASS_SSP (7 << 24)
#define TRACE_CLASS_COMP (8 << 24)
#define TRACE_CLASS_WAIT (9 << 24)
#define TRACE_CLASS_LOCK (10 << 24)
#define TRACE_CLASS_MEM (11 << 24)
#define TRACE_CLASS_MIXER (12 << 24)
#define TRACE_CLASS_BUFFER (13 << 24)
#define TRACE_CLASS_VOLUME (14 << 24)
#define TRACE_CLASS_SWITCH (15 << 24)
#define TRACE_CLASS_MUX (16 << 24)
#define TRACE_CLASS_SRC (17 << 24)
#define TRACE_CLASS_TONE (18 << 24)
#define TRACE_CLASS_EQ_FIR (19 << 24)
#define TRACE_CLASS_EQ_IIR (20 << 24)
#define TRACE_CLASS_SA (21 << 24)
#define TRACE_CLASS_DMIC (22 << 24)
#define TRACE_CLASS_POWER (23 << 24)
#define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
#define TRACE_BLOCK_SIZE 8
static inline char get_char(uint32_t val, int idx)
{
char c = (val >> (idx * 8)) & 0xff;
if (c < '0' || c > 'z')
return '.';
else
return c;
}
static void usage(char *name)
{
fprintf(stdout, "Usage %s <option(s)> <file(s)>\n", name);
fprintf(stdout, "%s:\t \t\t\tDisplay mailbox contents\n", name);
fprintf(stdout, "%s:\t -i infile -o outfile\tDump infile contents to outfile\n", name);
fprintf(stdout, "%s:\t -c\t\t\tSet timestamp clock in MHz\n", name);
fprintf(stdout, "%s:\t -s\t\t\tTake a snapshot of state\n", name);
fprintf(stdout, "%s:\t -t\t\t\tDisplay trace data\n", name);
exit(0);
}
static double to_usecs(uint64_t time, double clk)
{
/* trace timestamp uses CPU system clock at default 25MHz ticks */
// TODO: support variable clock rates
return (double)time / clk;
}
static void show_trace(uint64_t val, uint64_t addr, uint64_t *timestamp, double clk)
{
const char *trace;
uint32_t class;
uint64_t delta = val - *timestamp;
double fdelta = to_usecs(delta, clk);
double us = 0.0f;
/* timestamp or value ? */
if ((addr % (TRACE_BLOCK_SIZE * 2)) == 0) {
delta = val - *timestamp;
fdelta = to_usecs(delta, clk);
/* 64-bit timestamp */
us = to_usecs(val, clk);
/* empty data ? */
if (val == 0) {
*timestamp = 0;
return;
}
/* detect wrap around */
if (fdelta < 1000.0 * 1000.0 * 1000.0)
printf("0x%lx [%6.6f]\tdelta [%6.6f]\t", addr,
us / 1000000.0 , fdelta / 1000000.0);
else
printf("0x%lx [%6.6f]\tdelta [********]\t", addr,
us / 1000000.0);
*timestamp = val;
return;
} else if (*timestamp == 0)
return;
/* check for printable values - otherwise it's a value */
if (!isprint((char)(val >> 16)) || !isprint((char)(val >> 8)) || !isprint((char)val)) {
printf("value 0x%16.16lx\n", val);
return;
}
class = val & 0xff000000;
if (class == TRACE_CLASS_IRQ)
trace = "irq";
else if (class == TRACE_CLASS_IPC)
trace = "ipc";
else if (class == TRACE_CLASS_PIPE)
trace = "pipe";
else if (class == TRACE_CLASS_HOST)
trace = "host";
else if (class == TRACE_CLASS_DAI)
trace = "dai";
else if (class == TRACE_CLASS_DMA)
trace = "dma";
else if (class == TRACE_CLASS_SSP)
trace = "ssp";
else if (class == TRACE_CLASS_COMP)
trace = "comp";
else if (class == TRACE_CLASS_WAIT)
trace = "wait";
else if (class == TRACE_CLASS_LOCK)
trace = "lock";
else if (class == TRACE_CLASS_MEM)
trace = "mem";
else if (class == TRACE_CLASS_MIXER)
trace = "mixer";
else if (class == TRACE_CLASS_BUFFER)
trace = "buffer";
else if (class == TRACE_CLASS_VOLUME)
trace = "volume";
else if (class == TRACE_CLASS_SWITCH)
trace = "switch";
else if (class == TRACE_CLASS_MUX)
trace = "mux";
else if (class == TRACE_CLASS_SRC)
trace = "src";
else if (class == TRACE_CLASS_TONE)
trace = "tone";
else if (class == TRACE_CLASS_EQ_FIR)
trace = "eq-fir";
else if (class == TRACE_CLASS_EQ_IIR)
trace = "eq-iir";
else if (class == TRACE_CLASS_SA)
trace = "sa";
else if (class == TRACE_CLASS_DMIC)
trace = "dmic";
else if (class == TRACE_CLASS_POWER)
trace = "pm";
else {
printf("value 0x%8.8x\n", (uint32_t)val);
return;
}
switch ((char)(val >> 16)) {
case 'e':
case 'E':
case 'x':
case 'X':
printf("%s%s %c%c%c%s\n", KRED, trace,
(char)(val >> 16), (char)(val >> 8), (char)val, KNRM);
break;
default:
printf("%s %c%c%c\n", trace,
(char)(val >> 16), (char)(val >> 8), (char)val);
break;
}
}
static int trace_read(const char *in_file, const char *out_file, double clk)
{
int count, i;
FILE *in_fd = NULL, *out_fd = NULL;
char c, tmp[TRACE_BLOCK_SIZE] = {0};
uint64_t addr = 0, val, timestamp = 0;
in_fd = fopen(in_file, "r");
if (in_fd == NULL) {
fprintf(stderr, "error: unable to open %s for reading %d\n",
in_file, errno);
return -EIO;
}
if (out_file == NULL)
goto trace;
out_fd = fopen(out_file, "w");
if (out_fd == NULL) {
fprintf(stderr, "error: unable to open %s for writing %d\n",
out_file, errno);
}
trace:
fprintf(stdout, "using %2.2fMHz timestamp clock\n", clk);
while (1) {
count = fread(&tmp[0], 1, TRACE_BLOCK_SIZE, in_fd);
if (count != TRACE_BLOCK_SIZE)
break;
val = *((uint64_t*)tmp);
for (i = 0; i < TRACE_BLOCK_SIZE / 2; i++) {
c = tmp[i];
tmp[i] = tmp[TRACE_BLOCK_SIZE - i - 1];
tmp[TRACE_BLOCK_SIZE - i - 1] = c;
}
show_trace(val, addr, &timestamp, clk);
if (out_fd) {
count = fwrite(&tmp[0], 1, TRACE_BLOCK_SIZE, out_fd);
if (count != TRACE_BLOCK_SIZE)
break;
}
addr += TRACE_BLOCK_SIZE;
}
fclose(in_fd);
if (out_fd)
fclose(out_fd);
return 0;
}
static void show_data(uint32_t val, uint32_t addr)
{
printf("data: 0x%x = \t0x%8.8x \t(%8.8d) \t|%c%c%c%c|\n",
(unsigned int)addr,
val, val,
get_char(val, 3), get_char(val, 2),
get_char(val, 1), get_char(val, 0));
}
static const char *debugfs[] = {
"dmac0", "dmac1", "ssp0", "ssp1",
"ssp2", "iram", "dram", "shim",
"mbox", "etrace",
};
static int snapshot(const char *name)
{
const char *path = "/sys/kernel/debug/sof";
uint32_t val, addr;
char pinname[64], poutname[64], buffer[128];
FILE *in_fd, *out_fd;
int i, count;
if (name == NULL) {
fprintf(stderr, "error: need snapshot name\n");
return -EINVAL;
}
for (i = 0; i < ARRAY_SIZE(debugfs); i++) {
sprintf(pinname, "%s/%s", path, debugfs[i]);
sprintf(poutname, "%s.%s.txt", name, debugfs[i]);
/* open debugfs for reading */
in_fd = fopen(pinname, "r");
if (in_fd == NULL) {
fprintf(stderr, "error: unable to open %s for reading %d\n",
pinname, errno);
continue;
}
/* open outfile for reading */
out_fd = fopen(poutname, "w");
if (out_fd == NULL) {
fprintf(stderr, "error: unable to open %s for writing %d\n",
poutname, errno);
fclose(in_fd);
continue;
}
fprintf(stdout, "processing %s...\n", pinname);
addr = 0;
while (1) {
count = fread(&val, 1, 4, in_fd);
if (count != 4)
break;
sprintf(buffer, "0x%6.6x: 0x%8.8x\n", addr, val);
count = fwrite(buffer, 1, strlen(buffer), out_fd);
addr += 4;
}
fclose(in_fd);
fclose(out_fd);
}
return 0;
}
int main(int argc, char *argv[])
{
int opt, count, trace = 0;
const char * out_file = NULL, *in_file = NULL;
FILE *in_fd = NULL, *out_fd = NULL;
char c, tmp[8] = {0};
uint64_t addr = 0, val, timestamp = 0, align = 4, i;
double clk = 19.2;
while ((opt = getopt(argc, argv, "ho:i:s:m:c:t")) != -1) {
switch (opt) {
case 'o':
out_file = optarg;
break;
case 'i':
in_file = optarg;
break;
case 't':
trace = 1;
break;
case 'c':
clk = atof(optarg);
break;
case 's':
return snapshot(optarg);
case 'h':
default: /* '?' */
usage(argv[0]);
}
}
/* trace requested ? */
if (trace)
return trace_read("/sys/kernel/debug/sof/trace",
out_file, clk);
/* default option with no infile is to dump errors/debug data */
if (in_file == NULL) {
fprintf(stdout, "\nError log:\n");
return trace_read("/sys/kernel/debug/sof/etrace",
out_file, clk);
}
/* open infile for reading */
in_fd = fopen(in_file, "r");
if (in_fd == NULL) {
fprintf(stderr, "error: unable to open %s for reading %d\n",
in_file, errno);
return -EIO;
}
/* open outfile for writing */
if (out_file == NULL)
goto convert;
out_fd = fopen(out_file, "w");
if (out_fd == NULL) {
fprintf(stderr, "error: unable to open %s for writing %d\n",
out_file, errno);
fclose(in_fd);
return -EIO;
}
/* start to converting mailbox */
convert:
fprintf(stdout, "using %2.2fMHz timestamp clock\n", clk);
while (1) {
count = fread(&tmp[0], 1, align, in_fd);
if (count != align)
break;
val = *((uint64_t*)tmp);
for (i = 0; i < align / 2; i++) {
c = tmp[i];
tmp[i] = tmp[align - i - 1];
tmp[align - i - 1] = c;
}
show_data(val, addr);
if (out_fd) {
count = fwrite(&tmp[0], 1, align, out_fd);
if (count != align)
break;
}
addr += align;
}
/* close files */
fclose(in_fd);
if (out_fd)
fclose(out_fd);
return 0;
}
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