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d678a59d2d
When bringing in the series 'arm: dts: am62-beagleplay: Fix Beagleplay Ethernet"' I failed to notice that b4 noticed it was based on next and so took that as the base commit and merged that part of next to master. This reverts commitc8ffd1356d, reversing changes made to2ee6f3a5f7. Reported-by: Jonas Karlman <jonas@kwiboo.se> Signed-off-by: Tom Rini <trini@konsulko.com>
119 lines
2.9 KiB
C
119 lines
2.9 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (c) 2011 The Chromium OS Authors.
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*/
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#include <common.h>
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#include <command.h>
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#include <env.h>
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#include <mapmem.h>
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#include <trace.h>
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#include <asm/io.h>
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static int get_args(int argc, char *const argv[], char **buff,
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size_t *buff_ptr, size_t *buff_size)
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{
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if (argc < 2)
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return -1;
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if (argc < 4) {
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*buff_size = env_get_ulong("profsize", 16, 0);
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*buff = map_sysmem(env_get_ulong("profbase", 16, 0),
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*buff_size);
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*buff_ptr = env_get_ulong("profoffset", 16, 0);
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} else {
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*buff_size = hextoul(argv[3], NULL);
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*buff = map_sysmem(hextoul(argv[2], NULL),
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*buff_size);
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*buff_ptr = 0;
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};
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return 0;
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}
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static int create_func_list(int argc, char *const argv[])
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{
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size_t buff_size, avail, buff_ptr, needed, used;
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char *buff;
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int err;
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if (get_args(argc, argv, &buff, &buff_ptr, &buff_size))
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return -1;
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avail = buff_size - buff_ptr;
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err = trace_list_functions(buff + buff_ptr, avail, &needed);
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if (err)
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printf("Error: truncated (%#zx bytes needed)\n", needed);
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used = min(avail, (size_t)needed);
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printf("Function trace dumped to %08lx, size %#zx\n",
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(ulong)map_to_sysmem(buff + buff_ptr), used);
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env_set_hex("profbase", map_to_sysmem(buff));
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env_set_hex("profsize", buff_size);
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env_set_hex("profoffset", buff_ptr + used);
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return 0;
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}
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static int create_call_list(int argc, char *const argv[])
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{
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size_t buff_size, avail, buff_ptr, needed, used;
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char *buff;
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int err;
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if (get_args(argc, argv, &buff, &buff_ptr, &buff_size))
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return -1;
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avail = buff_size - buff_ptr;
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err = trace_list_calls(buff + buff_ptr, avail, &needed);
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if (err)
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printf("Error: truncated (%#zx bytes needed)\n", needed);
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used = min(avail, (size_t)needed);
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printf("Call list dumped to %08lx, size %#zx\n",
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(ulong)map_to_sysmem(buff + buff_ptr), used);
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env_set_hex("profbase", map_to_sysmem(buff));
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env_set_hex("profsize", buff_size);
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env_set_hex("profoffset", buff_ptr + used);
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return 0;
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}
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int do_trace(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
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{
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const char *cmd = argc < 2 ? NULL : argv[1];
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if (!cmd)
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return cmd_usage(cmdtp);
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switch (*cmd) {
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case 'p':
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trace_set_enabled(0);
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break;
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case 'c':
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if (create_call_list(argc, argv))
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return cmd_usage(cmdtp);
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break;
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case 'r':
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trace_set_enabled(1);
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break;
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case 'f':
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if (create_func_list(argc, argv))
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return cmd_usage(cmdtp);
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break;
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case 's':
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trace_print_stats();
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break;
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default:
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return CMD_RET_USAGE;
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}
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return 0;
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}
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U_BOOT_CMD(
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trace, 4, 1, do_trace,
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"trace utility commands",
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"stats - display tracing statistics\n"
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"trace pause - pause tracing\n"
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"trace resume - resume tracing\n"
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"trace funclist [<addr> <size>] - dump function list into buffer\n"
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"trace calls [<addr> <size>] "
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"- dump function call trace into buffer"
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);
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