rtos: add instructions and helper code to make FreeRTOS work again

[openocd.git] / doc / openocd.texi

diff --git a/doc/openocd.texi b/doc/openocd.texi
index 4bec637f3ee29c1bcbfe0c585c3ba3f57cf8be5f..21a39fceb66d9d66becd6e24bd8f122b379ee122 100644 (file)
--- a/doc/openocd.texi
+++ b/doc/openocd.texi
@@ -5152,6 +5152,20 @@ Atmel include internal flash and use ARM's Cortex-M4 core.
 This driver uses the same cmd names/syntax as @xref{at91sam3}.
 @end deffn
 
+@deffn {Flash Driver} at91sam4l
+@cindex at91sam4l
+All members of the AT91SAM4L microcontroller family from
+Atmel include internal flash and use ARM's Cortex-M4 core.
+This driver uses the same cmd names/syntax as @xref{at91sam3}.
+
+The AT91SAM4L driver adds some additional commands:
+@deffn Command {at91sam4l smap_reset_deassert}
+This command releases internal reset held by SMAP
+and prepares reset vector catch in case of reset halt.
+Command is used internally in event event reset-deassert-post.
+@end deffn
+@end deffn
+
 @deffn {Flash Driver} at91sam7
 All members of the AT91SAM7 microcontroller family from Atmel include
 internal flash and use ARM7TDMI cores. The driver automatically
@@ -6486,8 +6500,10 @@ Useful in connection with script files
 (@command{script} command and @command{target_name} configuration).
 @end deffn
 
-@deffn Command shutdown
-Close the OpenOCD daemon, disconnecting all clients (GDB, telnet, other).
+@deffn Command shutdown [@option{error}]
+Close the OpenOCD daemon, disconnecting all clients (GDB, telnet,
+other). If option @option{error} is used, OpenOCD will return a
+non-zero exit code to the parent process.
 @end deffn
 
 @anchor{debuglevel}
@@ -8601,7 +8617,7 @@ _tx_thread_current_ptr, _tx_thread_created_ptr, _tx_thread_created_count.
 @item FreeRTOS symbols
 pxCurrentTCB, pxReadyTasksLists, xDelayedTaskList1, xDelayedTaskList2,
 pxDelayedTaskList, pxOverflowDelayedTaskList, xPendingReadyList,
-xTasksWaitingTermination, xSuspendedTaskList, uxCurrentNumberOfTasks, uxTopUsedPriority.
+uxCurrentNumberOfTasks, uxTopUsedPriority.
 @item linux symbols
 init_task.
 @item ChibiOS symbols
@@ -8614,8 +8630,15 @@ _mqx_kernel_data, MQX_init_struct.
 @end table
 
 For most RTOS supported the above symbols will be exported by default. However for
-some, eg. FreeRTOS @option{xTasksWaitingTermination} is only exported
-if @option{INCLUDE_vTaskDelete} is defined during the build.
+some, eg. FreeRTOS, extra steps must be taken.
+
+These RTOSes may require additional OpenOCD-specific file to be linked
+along with the project:
+
+@table @code
+@item FreeRTOS
+contrib/rtos-helpers/FreeRTOS-openocd.c
+@end table
 
 @node Tcl Scripting API
 @chapter Tcl Scripting API