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BPI-CM9-Linux/amlbian/scripts/bt/files/0001-BT-extract-amlbt-fw-log-1-1.patch
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2026-08-24 10:03:24 +08:00

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From d8e252a5627678bdea3f7861d0aea7725cca12a2 Mon Sep 17 00:00:00 2001
From: Zhu Lv <zhu.lv@amlogic.com>
Date: Wed, 25 Mar 2026 17:22:51 +0800
Subject: [PATCH] BT: extract amlbt fw log [1/1]
PD#SWPL-258545
Problem:
extract amlbt fw log
Solution:
btmon extract amlbt fw log through
hci command and save to files
Verify:
A113X2
Signed-off-by: Zhu Lv <zhu.lv@amlogic.com>
---
Makefile.tools | 2 ++
monitor/ellisys.c | 10 ++++++++++
monitor/main.c | 25 +++++++++++++++++++++++--
monitor/packet.c | 15 +++++++++++++++
src/shared/btsnoop.c | 11 +++++++++++
5 files changed, 61 insertions(+), 2 deletions(-)
diff --git a/Makefile.tools b/Makefile.tools
index 1b43ca4..5db915a 100644
--- a/Makefile.tools
+++ b/Makefile.tools
@@ -50,11 +50,13 @@ monitor_btmon_SOURCES = monitor/main.c monitor/bt.h \
monitor/jlink.h monitor/jlink.c \
monitor/tty.h monitor/emulator.h \
monitor/att.h monitor/att.c \
+ monitor/amlbt_fwlog.h monitor/amlbt_fwlog.c \
src/log.h src/log.c \
src/textfile.h src/textfile.c \
src/settings.h src/settings.c
monitor_btmon_LDADD = lib/libbluetooth-internal.la \
src/libshared-mainloop.la \
+ -lz -lpthread \
$(GLIB_LIBS) $(UDEV_LIBS) -ldl
if MANPAGES
diff --git a/monitor/ellisys.c b/monitor/ellisys.c
index 61ac24c..17c9953 100644
--- a/monitor/ellisys.c
+++ b/monitor/ellisys.c
@@ -28,6 +28,8 @@
#include "src/shared/btsnoop.h"
#include "ellisys.h"
+#include "amlbt_fwlog.h"
+
static int ellisys_fd = -1;
static uint16_t ellisys_index = 0xffff;
@@ -83,6 +85,14 @@ void ellisys_inject_hci(struct timeval *tv, uint16_t index, uint16_t opcode,
struct iovec iov[2];
int iovcnt;
+ if (opcode == BTSNOOP_OPCODE_EVENT_PKT) {
+ const uint8_t *tmp = data;
+ if (tmp[0] == AMLBT_FWLOG_EVENT) {
+ ALOGD("cmd: 0x%02x", tmp[0]);
+ return;
+ }
+ }
+
if (!tv)
return;
diff --git a/monitor/main.c b/monitor/main.c
index 3ec3a5f..9af87d8 100644
--- a/monitor/main.c
+++ b/monitor/main.c
@@ -32,11 +32,14 @@
#include "control.h"
#include "display.h"
+#include "amlbt_fwlog.h"
+
static void signal_callback(int signum, void *user_data)
{
switch (signum) {
case SIGINT:
case SIGTERM:
+ fwlog_close();
mainloop_quit();
break;
}
@@ -70,7 +73,11 @@ static void usage(void)
"\t RTT control block parameters\n"
"\t-C, --columns [width] Output width if not a terminal\n"
"\t-c, --color [mode] Output color: auto/always/never\n"
- "\t-h, --help Show help options\n");
+ "\t-h, --help Show help options\n"
+ "\t-f, --btfwlog-file Set btfwlog-file path\n"
+ "\t-j, --btfwlog-size Set btfwlog-size unit:M\n"
+ "\t-k, --btfwlog-cnt Set btfwlog-cnt\n");
+
}
static const struct option main_options[] = {
@@ -97,6 +104,9 @@ static const struct option main_options[] = {
{ "color", required_argument, NULL, 'c' },
{ "todo", no_argument, NULL, '#' },
{ "version", no_argument, NULL, 'v' },
+ { "btfwlog-file", required_argument, NULL, 'f' },
+ { "btfwlog-size", required_argument, NULL, 'j' },
+ { "btfwlog-cnt", required_argument, NULL, 'k' },
{ "help", no_argument, NULL, 'h' },
{ }
};
@@ -126,7 +136,7 @@ int main(int argc, char *argv[])
struct sockaddr_un addr;
opt = getopt_long(argc, argv,
- "r:w:a:s:p:i:d:B:V:MNtTSAE:PJ:R:C:c:vh",
+ "r:w:a:s:p:i:d:B:V:MNtTSAIE:PJ:R:C:c:f:j:k:vh",
main_options, NULL);
if (opt < 0)
break;
@@ -230,6 +240,15 @@ int main(int argc, char *argv[])
packet_todo();
lmp_todo();
return EXIT_SUCCESS;
+ case 'f':
+ fwlog_set_path(strdup(optarg));
+ break;
+ case 'j':
+ fwlog_set_size(atoi(optarg));
+ break;
+ case 'k':
+ fwlog_set_cnt(atoi(optarg));
+ break;
case 'v':
printf("%s\n", VERSION);
return EXIT_SUCCESS;
@@ -253,6 +272,8 @@ int main(int argc, char *argv[])
printf("Bluetooth monitor ver %s\n", VERSION);
+ fwlog_init();
+
keys_setup();
packet_set_filter(filter_mask);
diff --git a/monitor/packet.c b/monitor/packet.c
index 46587e0..57096c7 100644
--- a/monitor/packet.c
+++ b/monitor/packet.c
@@ -46,6 +46,8 @@
#include "broadcom.h"
#include "packet.h"
+#include "amlbt_fwlog.h"
+
#define COLOR_CHANNEL_LABEL COLOR_WHITE
#define COLOR_FRAME_LABEL COLOR_WHITE
#define COLOR_INDEX_LABEL COLOR_WHITE
@@ -4162,6 +4164,14 @@ void packet_monitor(struct timeval *tv, struct ucred *cred,
uint16_t manufacturer;
const char *ident;
+ if (opcode == BTSNOOP_OPCODE_EVENT_PKT) {
+ const uint8_t *tmp = data;
+ if (tmp[0] == AMLBT_FWLOG_EVENT) {
+ ALOGD("cmd: 0x%02x", tmp[0]);
+ return;
+ }
+ }
+
if (index != HCI_DEV_NONE) {
index_current = index;
}
@@ -12098,6 +12108,11 @@ void packet_hci_event(struct timeval *tv, struct ucred *cred, uint16_t index,
char extra_str[25];
int i;
+ if (hdr->evt == AMLBT_FWLOG_EVENT) {
+ ALOGD("cmd: 0x%02x", hdr->evt);
+ return;
+ }
+
if (index >= MAX_INDEX) {
print_field("Invalid index (%d).", index);
return;
diff --git a/src/shared/btsnoop.c b/src/shared/btsnoop.c
index 0a68282..bb66962 100644
--- a/src/shared/btsnoop.c
+++ b/src/shared/btsnoop.c
@@ -25,6 +25,8 @@
#include "src/shared/btsnoop.h"
+#include "monitor/amlbt_fwlog.h"
+
struct btsnoop_hdr {
uint8_t id[8]; /* Identification Pattern */
uint32_t version; /* Version Number = 1 */
@@ -319,6 +321,15 @@ bool btsnoop_write_hci(struct btsnoop *btsnoop, struct timeval *tv,
{
uint32_t flags;
+ if (opcode == BTSNOOP_OPCODE_EVENT_PKT) {
+ const uint8_t *tmp = data;
+ if (tmp[0] == AMLBT_FWLOG_EVENT) {
+ ALOGD("cmd: 0x%02x", tmp[0]);
+ fwlog_record(tmp, size);
+ return true;
+ }
+ }
+
if (!btsnoop)
return false;
--
2.42.0
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