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X-Received-From: 2607:f8b0:400d:c09::242 Subject: [Qemu-devel] [PATCH 1/7] serial: add serial_chr_nonnull() to use the null backend when none provided X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Michael S. Tsirkin" , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 Suggested-by: Peter Maydell Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- include/hw/char/serial.h | 1 + hw/char/serial.c | 13 +++++++++++++ 2 files changed, 14 insertions(+) diff --git a/include/hw/char/serial.h b/include/hw/char/serial.h index c4daf11a14..96bccb39e1 100644 --- a/include/hw/char/serial.h +++ b/include/hw/char/serial.h @@ -93,6 +93,7 @@ SerialState *serial_mm_init(MemoryRegion *address_space, hwaddr base, int it_shift, qemu_irq irq, int baudbase, Chardev *chr, enum device_endian end); +Chardev *serial_chr_nonnull(Chardev *chr); =20 /* serial-isa.c */ #define TYPE_ISA_SERIAL "isa-serial" diff --git a/hw/char/serial.c b/hw/char/serial.c index 9aec6c60d8..7a100db107 100644 --- a/hw/char/serial.c +++ b/hw/char/serial.c @@ -1025,6 +1025,19 @@ static const MemoryRegionOps serial_mm_ops[3] =3D { }, }; =20 +Chardev *serial_chr_nonnull(Chardev *chr) +{ + static int serial_id; + char *label; + + label =3D g_strdup_printf("discarding-serial%d", serial_id++); + chr =3D qemu_chr_new(label, "null"); + assert(chr); + g_free(label); + + return chr; +} + SerialState *serial_mm_init(MemoryRegion *address_space, hwaddr base, int it_shift, qemu_irq irq, int baudbase, --=20 2.14.1