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Diffstat (limited to 'doc/openocd.texi')
-rw-r--r-- | doc/openocd.texi | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/doc/openocd.texi b/doc/openocd.texi index 892661f..fd92d51 100644 --- a/doc/openocd.texi +++ b/doc/openocd.texi @@ -6720,8 +6720,21 @@ If @var{value} is defined, first assigns that. @subsection Cortex-M3 specific commands @cindex Cortex-M3 -@deffn Command {cortex_m3 maskisr} (@option{on}|@option{off}) +@deffn Command {cortex_m3 maskisr} (@option{auto}|@option{on}|@option{off}) Control masking (disabling) interrupts during target step/resume. + +The @option{auto} option handles interrupts during stepping a way they get +served but don't disturb the program flow. The step command first allows +pending interrupt handlers to execute, then disables interrupts and steps over +the next instruction where the core was halted. After the step interrupts +are enabled again. If the interrupt handlers don't complete within 500ms, +the step command leaves with the core running. + +Note that a free breakpoint is required for the @option{auto} option. If no +breakpoint is available at the time of the step, then the step is taken +with interrupts enabled, i.e. the same way the @option{off} option does. + +Default is @option{auto}. @end deffn @deffn Command {cortex_m3 vector_catch} [@option{all}|@option{none}|list] |