新增：FPGA 升级后热恢复射频链路

2026-08-28 13:26:45 +08:00
parent 47b782e976
commit 33d8f4f428
7 changed files with 257 additions and 93 deletions
@@ -0,0 +1,88 @@
+#!/bin/sh
+# The upgrade shell is forked by the running app and inherits every app socket.
+# Re-exec after closing inherited non-stdio descriptors so the old process can
+# release its ports cleanly. Keep upgrade diagnostics on the debug serial port.
+if [ "$SMOD_FD_CLEAN" != "1" ]; then
+    export SMOD_FD_CLEAN=1
+    exec /bin/sh -c '
+        i=3
+        while [ $i -lt 256 ]; do
+            eval "exec ${i}>&-" 2>/dev/null
+            i=$((i + 1))
+        done
+        exec /bin/sh "$1" </dev/null >/dev/ttymxc0 2>&1
+    ' smod_fd_clean "$0"
+fi
+
+# Kernel and device-tree updates only take effect after an IMX reboot.  Pure
+# userspace packages keep the clock/RF hardware powered and restart only the
+# application so RF can recover without a power cycle.
+need_reboot=0
+reboot_reason=""
+
+if [ -f ./src/zImage ]; then
+    need_reboot=1
+    reboot_reason="kernel"
+    echo "kernel image found: reboot required"
+fi
+
+if [ -f ./src/imx6ull-S-gpmi-1024x600c7.dtb ]; then
+    need_reboot=1
+    if [ -n "$reboot_reason" ]; then
+        reboot_reason="$reboot_reason+device-tree"
+    else
+        reboot_reason="device-tree"
+    fi
+    echo "device-tree image found: reboot required"
+fi
+
+killall logrotateStart daemon_system 2>/dev/null
+sh remove.sh
+sh cp.sh
+sync
+sleep 2
+
+if [ "$need_reboot" = "1" ]; then
+    echo "boot component updated ($reboot_reason), reboot IMX now"
+    reboot
+    exit 0
+fi
+
+# pthread_setname_np changes the app's /proc comm, so identify it by the exact
+# executable path. Also match "(deleted)" after cp.sh replaces the running ELF.
+find_app_pids()
+{
+    for exe in /proc/[0-9]*/exe; do
+        target=`readlink "$exe" 2>/dev/null` || continue
+        case "$target" in
+            /aw/anywave/app/imx_atsc_app|/aw/anywave/app/imx_atsc_app\ \(deleted\))
+                echo "$exe" | sed 's#/proc/##;s#/exe##'
+                ;;
+        esac
+    done
+}
+
+old_pids=`find_app_pids`
+[ -n "$old_pids" ] && kill $old_pids 2>/dev/null
+i=0
+while [ -n "`find_app_pids`" ] && [ $i -lt 15 ]; do
+    sleep 1
+    i=$((i + 1))
+done
+old_pids=`find_app_pids`
+[ -n "$old_pids" ] && kill -9 $old_pids 2>/dev/null
+while [ -n "`find_app_pids`" ]; do sleep 1; done
+
+# Remove stale logging pipelines only after the old application has exited.
+killall loglog 2>/dev/null
+
+# Start without the legacy argument 1 so the normal no-power-off RF recovery
+# path rebuilds the TALISE handle and FPGA-side JESD link.
+sleep 2
+cd /aw/anywave/app && nohup sh -c './imx_atsc_app 2>&1 | /usr/sbin/loglog /var/module_log/ imx_atsc_app.log 1' </dev/null >/dev/ttymxc0 2>&1 &
+
+# Restore the system watchdog/housekeeper and log rotation. BusyBox on this
+# target has no setsid, and /usr/sbin is not in the default PATH.
+sleep 2
+nohup sh -c '/usr/sbin/daemon_system 2>&1 | /usr/sbin/loglog /var/module_log/ daemon_system.log 1' >/dev/null 2>&1 &
+nohup sh -c '/usr/sbin/logrotateStart 2>&1 | /usr/sbin/loglog /var/module_log/ logrotateStart.log 0' >/dev/null 2>&1 &