Message ID | 20180420145249.32435-7-peter.maydell@linaro.org |
---|---|
State | New |
Headers | show |
Series | Drop compile time limit on number of serial ports | expand |
On 04/20/2018 11:52 AM, Peter Maydell wrote: > Provide an accessor function serial_hd() to return the Chardev > (if any) associated with the numbered serial port. This will > be used to replace direct accesses to the serial_hds[] array, > so that calling code doesn't need to care about the size of > that array. > > Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> > --- > include/sysemu/sysemu.h | 3 +++ > vl.c | 9 +++++++++ > 2 files changed, 12 insertions(+) > > diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h > index 2b42151c63..bd5b55c514 100644 > --- a/include/sysemu/sysemu.h > +++ b/include/sysemu/sysemu.h > @@ -163,6 +163,9 @@ void hmp_pcie_aer_inject_error(Monitor *mon, const QDict *qdict); > > extern Chardev *serial_hds[MAX_SERIAL_PORTS]; > > +/* Return the Chardev for serial port i, or NULL if none */ > +Chardev *serial_hd(int i); > + > /* parallel ports */ > > #define MAX_PARALLEL_PORTS 3 > diff --git a/vl.c b/vl.c > index fce1fd12d8..6daf026da6 100644 > --- a/vl.c > +++ b/vl.c > @@ -2516,6 +2516,15 @@ static int serial_parse(const char *devname) > return 0; > } > > +Chardev *serial_hd(int i) > +{ > + assert(i >= 0); > + if (i < ARRAY_SIZE(serial_hds)) { > + return serial_hds[i]; > + } > + return NULL; > +} > + > static int parallel_parse(const char *devname) > { > static int index = 0; >
On 20.04.2018 16:52, Peter Maydell wrote: > Provide an accessor function serial_hd() to return the Chardev > (if any) associated with the numbered serial port. This will > be used to replace direct accesses to the serial_hds[] array, > so that calling code doesn't need to care about the size of > that array. > > Signed-off-by: Peter Maydell <peter.maydell@linaro.org> > --- > include/sysemu/sysemu.h | 3 +++ > vl.c | 9 +++++++++ > 2 files changed, 12 insertions(+) > > diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h > index 2b42151c63..bd5b55c514 100644 > --- a/include/sysemu/sysemu.h > +++ b/include/sysemu/sysemu.h > @@ -163,6 +163,9 @@ void hmp_pcie_aer_inject_error(Monitor *mon, const QDict *qdict); > > extern Chardev *serial_hds[MAX_SERIAL_PORTS]; > > +/* Return the Chardev for serial port i, or NULL if none */ > +Chardev *serial_hd(int i); > + > /* parallel ports */ > > #define MAX_PARALLEL_PORTS 3 > diff --git a/vl.c b/vl.c > index fce1fd12d8..6daf026da6 100644 > --- a/vl.c > +++ b/vl.c > @@ -2516,6 +2516,15 @@ static int serial_parse(const char *devname) > return 0; > } > > +Chardev *serial_hd(int i) > +{ > + assert(i >= 0); > + if (i < ARRAY_SIZE(serial_hds)) { > + return serial_hds[i]; > + } > + return NULL; > +} > + > static int parallel_parse(const char *devname) > { > static int index = 0; > Reviewed-by: Thomas Huth <thuth@redhat.com>
diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h index 2b42151c63..bd5b55c514 100644 --- a/include/sysemu/sysemu.h +++ b/include/sysemu/sysemu.h @@ -163,6 +163,9 @@ void hmp_pcie_aer_inject_error(Monitor *mon, const QDict *qdict); extern Chardev *serial_hds[MAX_SERIAL_PORTS]; +/* Return the Chardev for serial port i, or NULL if none */ +Chardev *serial_hd(int i); + /* parallel ports */ #define MAX_PARALLEL_PORTS 3 diff --git a/vl.c b/vl.c index fce1fd12d8..6daf026da6 100644 --- a/vl.c +++ b/vl.c @@ -2516,6 +2516,15 @@ static int serial_parse(const char *devname) return 0; } +Chardev *serial_hd(int i) +{ + assert(i >= 0); + if (i < ARRAY_SIZE(serial_hds)) { + return serial_hds[i]; + } + return NULL; +} + static int parallel_parse(const char *devname) { static int index = 0;
Provide an accessor function serial_hd() to return the Chardev (if any) associated with the numbered serial port. This will be used to replace direct accesses to the serial_hds[] array, so that calling code doesn't need to care about the size of that array. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- include/sysemu/sysemu.h | 3 +++ vl.c | 9 +++++++++ 2 files changed, 12 insertions(+)