From patchwork Mon Jun 6 16:20:55 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [RFC,06/10] serial: Allow to reconfigure ISA IRQ Date: Mon, 06 Jun 2011 06:20:55 -0000 From: =?utf-8?q?Andreas_F=C3=A4rber?= X-Patchwork-Id: 98986 Message-Id: <1307377259-41434-7-git-send-email-andreas.faerber@web.de> To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Andreas=20F=C3=A4rber?= , hpoussin@reactos.org, kraxel@redhat.com Signed-off-by: Andreas Färber --- hw/isa.h | 1 + hw/serial.c | 11 +++++++++++ 2 files changed, 12 insertions(+), 0 deletions(-) diff --git a/hw/isa.h b/hw/isa.h index 8bd082a..b577fe3 100644 --- a/hw/isa.h +++ b/hw/isa.h @@ -47,6 +47,7 @@ void parallel_isa_reconfigure_irq(ISADevice *dev, uint32_t isairq); /* serial.c */ void serial_isa_reconfigure_iobase(ISADevice *dev, uint32_t base); +void serial_isa_reconfigure_irq(ISADevice *dev, uint32_t isairq); /* dma.c */ int DMA_get_channel_mode (int nchan); diff --git a/hw/serial.c b/hw/serial.c index dd91272..714e5b2 100644 --- a/hw/serial.c +++ b/hw/serial.c @@ -771,6 +771,17 @@ void serial_isa_reconfigure_iobase(ISADevice *dev, uint32_t iobase) } } +void serial_isa_reconfigure_irq(ISADevice *dev, uint32_t isairq) +{ + ISASerialState *isa = DO_UPCAST(ISASerialState, dev, dev); + + if (isairq != isa->isairq) { + isa_discard_irq(dev, isa->isairq); + isa->isairq = isairq; + isa_init_irq(dev, &isa->state.irq, isa->isairq); + } +} + static const int isa_serial_io[MAX_SERIAL_PORTS] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 }; static const int isa_serial_irq[MAX_SERIAL_PORTS] = { 4, 3, 4, 3 };