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rtos: Support for "none" rtos 

After a certain RTOS has been configured there is no mechanism
to go back to no RTOS support. It may be useful for debugging
purposes. With the provided modification, the "none" option
of RTOS is provided as a valid option.

It has been tested in two different board (Cortex M4 and Cortex M33).
Documentation has also been updated.

Signed-off-by: Asier Llano <allano@hubbell.com>
Change-Id: I602210bff31ccadd41c41e9454c52b5fffa1671e
Reviewed-on: https://review.openocd.org/c/openocd/+/7092
Tested-by: jenkins
Reviewed-by: Tomas Vanek <vanekt@fbl.cz>
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
This commit is contained in:
Asier Llano 2022-07-21 12:27:11 +02:00 committed by Antonio Borneo
parent 81aa5fd6b4
commit 6d6207a8d3
2 changed files with 10 additions and 2 deletions
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7
doc/openocd.texi
View File

@ -5149,7 +5149,7 @@ The value should normally correspond to a static mapping for the
@anchor{rtostype}
@item @code{-rtos} @var{rtos_type} -- enable rtos support for target,
@var{rtos_type} can be one of @option{auto}, @option{eCos},
@var{rtos_type} can be one of @option{auto}, @option{none}, @option{eCos},
@option{ThreadX}, @option{FreeRTOS}, @option{linux}, @option{ChibiOS},
@option{embKernel}, @option{mqx}, @option{uCOS-III}, @option{nuttx},
@option{RIOT}, @option{Zephyr}
@ -11848,6 +11848,11 @@ Currently supported rtos's include:
@item @option{Zephyr}
@end itemize
At any time, it's possible to drop the selected RTOS using:
@example
$_TARGETNAME configure -rtos none
@end example
Before an RTOS can be detected, it must export certain symbols; otherwise, it cannot
be used by OpenOCD. Below is a list of the required symbols for each supported RTOS.

5
src/rtos/rtos.c
View File

@ -129,6 +129,9 @@ int rtos_create(struct jim_getopt_info *goi, struct target *target)
if (e != JIM_OK)
return e;
if (strcmp(cp, "none") == 0)
return JIM_OK;
if (strcmp(cp, "auto") == 0) {
/* Auto detect tries to look up all symbols for each RTOS,
* and runs the RTOS driver's _detect() function when GDB
@ -148,7 +151,7 @@ int rtos_create(struct jim_getopt_info *goi, struct target *target)
res = Jim_GetResult(goi->interp);
for (x = 0; rtos_types[x]; x++)
Jim_AppendStrings(goi->interp, res, rtos_types[x]->name, ", ", NULL);
Jim_AppendStrings(goi->interp, res, " or auto", NULL);
Jim_AppendStrings(goi->interp, res, ", auto or none", NULL);
return JIM_ERR;
}