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-rw-r--r--hw/Makefile.objs2
-rw-r--r--hw/alpha_dp264.c1
-rw-r--r--hw/kzm.c2
-rw-r--r--hw/mips_fulong2e.c1
-rw-r--r--hw/mips_jazz.c1
-rw-r--r--hw/mips_malta.c1
-rw-r--r--hw/mips_mipssim.c2
-rw-r--r--hw/mips_r4k.c1
-rw-r--r--hw/musicpal.c2
-rw-r--r--hw/omap_uart.c3
-rw-r--r--hw/openrisc_sim.c3
-rw-r--r--hw/pc.c1
-rw-r--r--hw/pc.h27
-rw-r--r--hw/petalogix_ml605_mmu.c2
-rw-r--r--hw/ppc/e500.c2
-rw-r--r--hw/ppc405_uc.c2
-rw-r--r--hw/ppc440_bamboo.c2
-rw-r--r--hw/ppc_prep.c1
-rw-r--r--hw/pxa2xx.c2
-rw-r--r--hw/serial-isa.c130
-rw-r--r--hw/serial.c143
-rw-r--r--hw/serial.h98
-rw-r--r--hw/sm501.c2
-rw-r--r--hw/sun4u.c1
-rw-r--r--hw/virtex_ml507.c2
-rw-r--r--hw/xtensa_lx60.c3
26 files changed, 257 insertions, 180 deletions
diff --git a/hw/Makefile.objs b/hw/Makefile.objs
index 854faa9b5b..16e7a1e6f3 100644
--- a/hw/Makefile.objs
+++ b/hw/Makefile.objs
@@ -20,7 +20,7 @@ common-obj-$(CONFIG_M48T59) += m48t59.o
common-obj-$(CONFIG_ESCC) += escc.o
common-obj-$(CONFIG_EMPTY_SLOT) += empty_slot.o
-common-obj-$(CONFIG_SERIAL) += serial.o
+common-obj-$(CONFIG_SERIAL) += serial.o serial-isa.o
common-obj-$(CONFIG_PARALLEL) += parallel.o
common-obj-$(CONFIG_I8254) += i8254_common.o i8254.o
common-obj-$(CONFIG_PCSPK) += pcspk.o
diff --git a/hw/alpha_dp264.c b/hw/alpha_dp264.c
index 8f082a6656..76d8ae8a84 100644
--- a/hw/alpha_dp264.c
+++ b/hw/alpha_dp264.c
@@ -15,6 +15,7 @@
#include "mc146818rtc.h"
#include "ide.h"
#include "i8254.h"
+#include "serial.h"
#define MAX_IDE_BUS 2
diff --git a/hw/kzm.c b/hw/kzm.c
index d1266d9305..687daf3b2c 100644
--- a/hw/kzm.c
+++ b/hw/kzm.c
@@ -21,7 +21,7 @@
#include "net.h"
#include "sysemu.h"
#include "boards.h"
-#include "pc.h" /* for the FPGA UART that emulates a 16550 */
+#include "serial.h"
#include "imx.h"
/* Memory map for Kzm Emulation Baseboard:
diff --git a/hw/mips_fulong2e.c b/hw/mips_fulong2e.c
index fb50a1f67b..5fcf900e04 100644
--- a/hw/mips_fulong2e.c
+++ b/hw/mips_fulong2e.c
@@ -20,6 +20,7 @@
#include "hw.h"
#include "pc.h"
+#include "serial.h"
#include "fdc.h"
#include "net.h"
#include "boards.h"
diff --git a/hw/mips_jazz.c b/hw/mips_jazz.c
index 14df4d7745..6bd231dc9b 100644
--- a/hw/mips_jazz.c
+++ b/hw/mips_jazz.c
@@ -26,6 +26,7 @@
#include "mips.h"
#include "mips_cpudevs.h"
#include "pc.h"
+#include "serial.h"
#include "isa.h"
#include "fdc.h"
#include "sysemu.h"
diff --git a/hw/mips_malta.c b/hw/mips_malta.c
index ad4910ff66..22ec8b9efa 100644
--- a/hw/mips_malta.c
+++ b/hw/mips_malta.c
@@ -24,6 +24,7 @@
#include "hw.h"
#include "pc.h"
+#include "serial.h"
#include "fdc.h"
#include "net.h"
#include "boards.h"
diff --git a/hw/mips_mipssim.c b/hw/mips_mipssim.c
index a1d3945cbb..a95a3c1f11 100644
--- a/hw/mips_mipssim.c
+++ b/hw/mips_mipssim.c
@@ -27,7 +27,7 @@
#include "hw.h"
#include "mips.h"
#include "mips_cpudevs.h"
-#include "pc.h"
+#include "serial.h"
#include "isa.h"
#include "net.h"
#include "sysemu.h"
diff --git a/hw/mips_r4k.c b/hw/mips_r4k.c
index b73cdc38ec..539577b761 100644
--- a/hw/mips_r4k.c
+++ b/hw/mips_r4k.c
@@ -11,6 +11,7 @@
#include "mips.h"
#include "mips_cpudevs.h"
#include "pc.h"
+#include "serial.h"
#include "isa.h"
#include "net.h"
#include "sysemu.h"
diff --git a/hw/musicpal.c b/hw/musicpal.c
index f06814c83b..159d3c3c39 100644
--- a/hw/musicpal.c
+++ b/hw/musicpal.c
@@ -15,7 +15,7 @@
#include "net.h"
#include "sysemu.h"
#include "boards.h"
-#include "pc.h"
+#include "serial.h"
#include "qemu-timer.h"
#include "ptimer.h"
#include "block.h"
diff --git a/hw/omap_uart.c b/hw/omap_uart.c
index 167d5c4e50..1c16a54306 100644
--- a/hw/omap_uart.c
+++ b/hw/omap_uart.c
@@ -20,8 +20,7 @@
#include "qemu-char.h"
#include "hw.h"
#include "omap.h"
-/* We use pc-style serial ports. */
-#include "pc.h"
+#include "serial.h"
#include "exec-memory.h"
/* UARTs */
diff --git a/hw/openrisc_sim.c b/hw/openrisc_sim.c
index e96a94492b..7327740764 100644
--- a/hw/openrisc_sim.c
+++ b/hw/openrisc_sim.c
@@ -21,7 +21,8 @@
#include "hw.h"
#include "boards.h"
#include "elf.h"
-#include "pc.h"
+#include "serial.h"
+#include "net.h"
#include "loader.h"
#include "exec-memory.h"
#include "sysemu.h"
diff --git a/hw/pc.c b/hw/pc.c
index 6c0722db5c..805e8cabcf 100644
--- a/hw/pc.c
+++ b/hw/pc.c
@@ -23,6 +23,7 @@
*/
#include "hw.h"
#include "pc.h"
+#include "serial.h"
#include "apic.h"
#include "fdc.h"
#include "ide.h"
diff --git a/hw/pc.h b/hw/pc.h
index 9923d96027..6cba7ce7d6 100644
--- a/hw/pc.h
+++ b/hw/pc.h
@@ -12,33 +12,6 @@
/* PC-style peripherals (also used by other machines). */
-/* serial.c */
-
-SerialState *serial_init(int base, qemu_irq irq, int baudbase,
- CharDriverState *chr);
-SerialState *serial_mm_init(MemoryRegion *address_space,
- target_phys_addr_t base, int it_shift,
- qemu_irq irq, int baudbase,
- CharDriverState *chr, enum device_endian);
-static inline bool serial_isa_init(ISABus *bus, int index,
- CharDriverState *chr)
-{
- ISADevice *dev;
-
- dev = isa_try_create(bus, "isa-serial");
- if (!dev) {
- return false;
- }
- qdev_prop_set_uint32(&dev->qdev, "index", index);
- qdev_prop_set_chr(&dev->qdev, "chardev", chr);
- if (qdev_init(&dev->qdev) < 0) {
- return false;
- }
- return true;
-}
-
-void serial_set_frequency(SerialState *s, uint32_t frequency);
-
/* parallel.c */
static inline bool parallel_init(ISABus *bus, int index, CharDriverState *chr)
{
diff --git a/hw/petalogix_ml605_mmu.c b/hw/petalogix_ml605_mmu.c
index 39df25175b..5b45809d74 100644
--- a/hw/petalogix_ml605_mmu.c
+++ b/hw/petalogix_ml605_mmu.c
@@ -34,7 +34,7 @@
#include "boards.h"
#include "xilinx.h"
#include "blockdev.h"
-#include "pc.h"
+#include "serial.h"
#include "exec-memory.h"
#include "ssi.h"
diff --git a/hw/ppc/e500.c b/hw/ppc/e500.c
index d23f9b2f60..846f53a8d9 100644
--- a/hw/ppc/e500.c
+++ b/hw/ppc/e500.c
@@ -19,7 +19,7 @@
#include "e500.h"
#include "net.h"
#include "hw/hw.h"
-#include "hw/pc.h"
+#include "hw/serial.h"
#include "hw/pci.h"
#include "hw/boards.h"
#include "sysemu.h"
diff --git a/hw/ppc405_uc.c b/hw/ppc405_uc.c
index b52ab2f179..e81409dc0f 100644
--- a/hw/ppc405_uc.c
+++ b/hw/ppc405_uc.c
@@ -24,7 +24,7 @@
#include "hw.h"
#include "ppc.h"
#include "ppc405.h"
-#include "pc.h"
+#include "serial.h"
#include "qemu-timer.h"
#include "sysemu.h"
#include "qemu-log.h"
diff --git a/hw/ppc440_bamboo.c b/hw/ppc440_bamboo.c
index 78e7985305..5616a26b38 100644
--- a/hw/ppc440_bamboo.c
+++ b/hw/ppc440_bamboo.c
@@ -23,7 +23,7 @@
#include "loader.h"
#include "elf.h"
#include "exec-memory.h"
-#include "pc.h"
+#include "serial.h"
#include "ppc.h"
#include "ppc405.h"
#include "sysemu.h"
diff --git a/hw/ppc_prep.c b/hw/ppc_prep.c
index b426891e29..a0d1c3d75d 100644
--- a/hw/ppc_prep.c
+++ b/hw/ppc_prep.c
@@ -24,6 +24,7 @@
#include "hw.h"
#include "nvram.h"
#include "pc.h"
+#include "serial.h"
#include "fdc.h"
#include "net.h"
#include "sysemu.h"
diff --git a/hw/pxa2xx.c b/hw/pxa2xx.c
index d5f1420ed9..4ec904ff20 100644
--- a/hw/pxa2xx.c
+++ b/hw/pxa2xx.c
@@ -10,7 +10,7 @@
#include "sysbus.h"
#include "pxa.h"
#include "sysemu.h"
-#include "pc.h"
+#include "serial.h"
#include "i2c.h"
#include "ssi.h"
#include "qemu-char.h"
diff --git a/hw/serial-isa.c b/hw/serial-isa.c
new file mode 100644
index 0000000000..96c78f7f8d
--- /dev/null
+++ b/hw/serial-isa.c
@@ -0,0 +1,130 @@
+/*
+ * QEMU 16550A UART emulation
+ *
+ * Copyright (c) 2003-2004 Fabrice Bellard
+ * Copyright (c) 2008 Citrix Systems, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "serial.h"
+#include "isa.h"
+
+typedef struct ISASerialState {
+ ISADevice dev;
+ uint32_t index;
+ uint32_t iobase;
+ uint32_t isairq;
+ SerialState state;
+} ISASerialState;
+
+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
+};
+
+static int serial_isa_initfn(ISADevice *dev)
+{
+ static int index;
+ ISASerialState *isa = DO_UPCAST(ISASerialState, dev, dev);
+ SerialState *s = &isa->state;
+
+ if (isa->index == -1) {
+ isa->index = index;
+ }
+ if (isa->index >= MAX_SERIAL_PORTS) {
+ return -1;
+ }
+ if (isa->iobase == -1) {
+ isa->iobase = isa_serial_io[isa->index];
+ }
+ if (isa->isairq == -1) {
+ isa->isairq = isa_serial_irq[isa->index];
+ }
+ index++;
+
+ s->baudbase = 115200;
+ isa_init_irq(dev, &s->irq, isa->isairq);
+ serial_init_core(s);
+ qdev_set_legacy_instance_id(&dev->qdev, isa->iobase, 3);
+
+ memory_region_init_io(&s->io, &serial_io_ops, s, "serial", 8);
+ isa_register_ioport(dev, &s->io, isa->iobase);
+ return 0;
+}
+
+static const VMStateDescription vmstate_isa_serial = {
+ .name = "serial",
+ .version_id = 3,
+ .minimum_version_id = 2,
+ .fields = (VMStateField[]) {
+ VMSTATE_STRUCT(state, ISASerialState, 0, vmstate_serial, SerialState),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static Property serial_isa_properties[] = {
+ DEFINE_PROP_UINT32("index", ISASerialState, index, -1),
+ DEFINE_PROP_HEX32("iobase", ISASerialState, iobase, -1),
+ DEFINE_PROP_UINT32("irq", ISASerialState, isairq, -1),
+ DEFINE_PROP_CHR("chardev", ISASerialState, state.chr),
+ DEFINE_PROP_UINT32("wakeup", ISASerialState, state.wakeup, 0),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void serial_isa_class_initfn(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ ISADeviceClass *ic = ISA_DEVICE_CLASS(klass);
+ ic->init = serial_isa_initfn;
+ dc->vmsd = &vmstate_isa_serial;
+ dc->props = serial_isa_properties;
+}
+
+static TypeInfo serial_isa_info = {
+ .name = "isa-serial",
+ .parent = TYPE_ISA_DEVICE,
+ .instance_size = sizeof(ISASerialState),
+ .class_init = serial_isa_class_initfn,
+};
+
+static void serial_register_types(void)
+{
+ type_register_static(&serial_isa_info);
+}
+
+type_init(serial_register_types)
+
+bool serial_isa_init(ISABus *bus, int index, CharDriverState *chr)
+{
+ ISADevice *dev;
+
+ dev = isa_try_create(bus, "isa-serial");
+ if (!dev) {
+ return false;
+ }
+ qdev_prop_set_uint32(&dev->qdev, "index", index);
+ qdev_prop_set_chr(&dev->qdev, "chardev", chr);
+ if (qdev_init(&dev->qdev) < 0) {
+ return false;
+ }
+ return true;
+}
diff --git a/hw/serial.c b/hw/serial.c
index a421d1e7bc..78e219df5c 100644
--- a/hw/serial.c
+++ b/hw/serial.c
@@ -22,12 +22,10 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
-#include "hw.h"
+
+#include "serial.h"
#include "qemu-char.h"
-#include "isa.h"
-#include "pc.h"
#include "qemu-timer.h"
-#include "sysemu.h"
//#define DEBUG_SERIAL
@@ -93,8 +91,6 @@
#define UART_FCR_RFR 0x02 /* RCVR Fifo Reset */
#define UART_FCR_FE 0x01 /* FIFO Enable */
-#define UART_FIFO_LENGTH 16 /* 16550A Fifo Length */
-
#define XMIT_FIFO 0
#define RECV_FIFO 1
#define MAX_XMIT_RETRY 4
@@ -107,64 +103,6 @@ do { fprintf(stderr, "serial: " fmt , ## __VA_ARGS__); } while (0)
do {} while (0)
#endif
-typedef struct SerialFIFO {
- uint8_t data[UART_FIFO_LENGTH];
- uint8_t count;
- uint8_t itl; /* Interrupt Trigger Level */
- uint8_t tail;
- uint8_t head;
-} SerialFIFO;
-
-struct SerialState {
- uint16_t divider;
- uint8_t rbr; /* receive register */
- uint8_t thr; /* transmit holding register */
- uint8_t tsr; /* transmit shift register */
- uint8_t ier;
- uint8_t iir; /* read only */
- uint8_t lcr;
- uint8_t mcr;
- uint8_t lsr; /* read only */
- uint8_t msr; /* read only */
- uint8_t scr;
- uint8_t fcr;
- uint8_t fcr_vmstate; /* we can't write directly this value
- it has side effects */
- /* NOTE: this hidden state is necessary for tx irq generation as
- it can be reset while reading iir */
- int thr_ipending;
- qemu_irq irq;
- CharDriverState *chr;
- int last_break_enable;
- int it_shift;
- int baudbase;
- int tsr_retry;
- uint32_t wakeup;
-
- uint64_t last_xmit_ts; /* Time when the last byte was successfully sent out of the tsr */
- SerialFIFO recv_fifo;
- SerialFIFO xmit_fifo;
-
- struct QEMUTimer *fifo_timeout_timer;
- int timeout_ipending; /* timeout interrupt pending state */
- struct QEMUTimer *transmit_timer;
-
-
- uint64_t char_transmit_time; /* time to transmit a char in ticks*/
- int poll_msl;
-
- struct QEMUTimer *modem_status_poll;
- MemoryRegion io;
-};
-
-typedef struct ISASerialState {
- ISADevice dev;
- uint32_t index;
- uint32_t iobase;
- uint32_t isairq;
- SerialState state;
-} ISASerialState;
-
static void serial_receive1(void *opaque, const uint8_t *buf, int size);
static void fifo_clear(SerialState *s, int fifo)
@@ -687,7 +625,7 @@ static int serial_post_load(void *opaque, int version_id)
return 0;
}
-static const VMStateDescription vmstate_serial = {
+const VMStateDescription vmstate_serial = {
.name = "serial",
.version_id = 3,
.minimum_version_id = 2,
@@ -736,7 +674,7 @@ static void serial_reset(void *opaque)
qemu_irq_lower(s->irq);
}
-static void serial_init_core(SerialState *s)
+void serial_init_core(SerialState *s)
{
if (!s->chr) {
fprintf(stderr, "Can't create serial device, empty char device\n");
@@ -761,54 +699,15 @@ void serial_set_frequency(SerialState *s, uint32_t frequency)
serial_update_parameters(s);
}
-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 };
-
static const MemoryRegionPortio serial_portio[] = {
{ 0, 8, 1, .read = serial_ioport_read, .write = serial_ioport_write },
PORTIO_END_OF_LIST()
};
-static const MemoryRegionOps serial_io_ops = {
+const MemoryRegionOps serial_io_ops = {
.old_portio = serial_portio
};
-static int serial_isa_initfn(ISADevice *dev)
-{
- static int index;
- ISASerialState *isa = DO_UPCAST(ISASerialState, dev, dev);
- SerialState *s = &isa->state;
-
- if (isa->index == -1)
- isa->index = index;
- if (isa->index >= MAX_SERIAL_PORTS)
- return -1;
- if (isa->iobase == -1)
- isa->iobase = isa_serial_io[isa->index];
- if (isa->isairq == -1)
- isa->isairq = isa_serial_irq[isa->index];
- index++;
-
- s->baudbase = 115200;
- isa_init_irq(dev, &s->irq, isa->isairq);
- serial_init_core(s);
- qdev_set_legacy_instance_id(&dev->qdev, isa->iobase, 3);
-
- memory_region_init_io(&s->io, &serial_io_ops, s, "serial", 8);
- isa_register_ioport(dev, &s->io, isa->iobase);
- return 0;
-}
-
-static const VMStateDescription vmstate_isa_serial = {
- .name = "serial",
- .version_id = 3,
- .minimum_version_id = 2,
- .fields = (VMStateField []) {
- VMSTATE_STRUCT(state, ISASerialState, 0, vmstate_serial, SerialState),
- VMSTATE_END_OF_LIST()
- }
-};
-
SerialState *serial_init(int base, qemu_irq irq, int baudbase,
CharDriverState *chr)
{
@@ -886,35 +785,3 @@ SerialState *serial_mm_init(MemoryRegion *address_space,
serial_update_msl(s);
return s;
}
-
-static Property serial_isa_properties[] = {
- DEFINE_PROP_UINT32("index", ISASerialState, index, -1),
- DEFINE_PROP_HEX32("iobase", ISASerialState, iobase, -1),
- DEFINE_PROP_UINT32("irq", ISASerialState, isairq, -1),
- DEFINE_PROP_CHR("chardev", ISASerialState, state.chr),
- DEFINE_PROP_UINT32("wakeup", ISASerialState, state.wakeup, 0),
- DEFINE_PROP_END_OF_LIST(),
-};
-
-static void serial_isa_class_initfn(ObjectClass *klass, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(klass);
- ISADeviceClass *ic = ISA_DEVICE_CLASS(klass);
- ic->init = serial_isa_initfn;
- dc->vmsd = &vmstate_isa_serial;
- dc->props = serial_isa_properties;
-}
-
-static TypeInfo serial_isa_info = {
- .name = "isa-serial",
- .parent = TYPE_ISA_DEVICE,
- .instance_size = sizeof(ISASerialState),
- .class_init = serial_isa_class_initfn,
-};
-
-static void serial_register_types(void)
-{
- type_register_static(&serial_isa_info);
-}
-
-type_init(serial_register_types)
diff --git a/hw/serial.h b/hw/serial.h
new file mode 100644
index 0000000000..6f5293b202
--- /dev/null
+++ b/hw/serial.h
@@ -0,0 +1,98 @@
+/*
+ * QEMU 16550A UART emulation
+ *
+ * Copyright (c) 2003-2004 Fabrice Bellard
+ * Copyright (c) 2008 Citrix Systems, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "hw.h"
+#include "sysemu.h"
+#include "memory.h"
+
+#define UART_FIFO_LENGTH 16 /* 16550A Fifo Length */
+
+typedef struct SerialFIFO {
+ uint8_t data[UART_FIFO_LENGTH];
+ uint8_t count;
+ uint8_t itl; /* Interrupt Trigger Level */
+ uint8_t tail;
+ uint8_t head;
+} SerialFIFO;
+
+struct SerialState {
+ uint16_t divider;
+ uint8_t rbr; /* receive register */
+ uint8_t thr; /* transmit holding register */
+ uint8_t tsr; /* transmit shift register */
+ uint8_t ier;
+ uint8_t iir; /* read only */
+ uint8_t lcr;
+ uint8_t mcr;
+ uint8_t lsr; /* read only */
+ uint8_t msr; /* read only */
+ uint8_t scr;
+ uint8_t fcr;
+ uint8_t fcr_vmstate; /* we can't write directly this value
+ it has side effects */
+ /* NOTE: this hidden state is necessary for tx irq generation as
+ it can be reset while reading iir */
+ int thr_ipending;
+ qemu_irq irq;
+ CharDriverState *chr;
+ int last_break_enable;
+ int it_shift;
+ int baudbase;
+ int tsr_retry;
+ uint32_t wakeup;
+
+ /* Time when the last byte was successfully sent out of the tsr */
+ uint64_t last_xmit_ts;
+ SerialFIFO recv_fifo;
+ SerialFIFO xmit_fifo;
+
+ struct QEMUTimer *fifo_timeout_timer;
+ int timeout_ipending; /* timeout interrupt pending state */
+ struct QEMUTimer *transmit_timer;
+
+
+ uint64_t char_transmit_time; /* time to transmit a char in ticks */
+ int poll_msl;
+
+ struct QEMUTimer *modem_status_poll;
+ MemoryRegion io;
+};
+
+extern const VMStateDescription vmstate_serial;
+extern const MemoryRegionOps serial_io_ops;
+
+void serial_init_core(SerialState *s);
+void serial_set_frequency(SerialState *s, uint32_t frequency);
+
+/* legacy pre qom */
+SerialState *serial_init(int base, qemu_irq irq, int baudbase,
+ CharDriverState *chr);
+SerialState *serial_mm_init(MemoryRegion *address_space,
+ target_phys_addr_t base, int it_shift,
+ qemu_irq irq, int baudbase,
+ CharDriverState *chr, enum device_endian end);
+
+/* serial-isa.c */
+bool serial_isa_init(ISABus *bus, int index, CharDriverState *chr);
diff --git a/hw/sm501.c b/hw/sm501.c
index 786e07629c..050d096533 100644
--- a/hw/sm501.c
+++ b/hw/sm501.c
@@ -24,7 +24,7 @@
#include <stdio.h>
#include "hw.h"
-#include "pc.h"
+#include "serial.h"
#include "console.h"
#include "devices.h"
#include "sysbus.h"
diff --git a/hw/sun4u.c b/hw/sun4u.c
index abf68cf50f..eeb6496092 100644
--- a/hw/sun4u.c
+++ b/hw/sun4u.c
@@ -25,6 +25,7 @@
#include "pci.h"
#include "apb_pci.h"
#include "pc.h"
+#include "serial.h"
#include "nvram.h"
#include "fdc.h"
#include "net.h"
diff --git a/hw/virtex_ml507.c b/hw/virtex_ml507.c
index a09b27a346..c59e1cb4e4 100644
--- a/hw/virtex_ml507.c
+++ b/hw/virtex_ml507.c
@@ -24,7 +24,7 @@
#include "sysbus.h"
#include "hw.h"
-#include "pc.h"
+#include "serial.h"
#include "net.h"
#include "flash.h"
#include "sysemu.h"
diff --git a/hw/xtensa_lx60.c b/hw/xtensa_lx60.c
index 1fd2c47ac5..0c407d37b7 100644
--- a/hw/xtensa_lx60.c
+++ b/hw/xtensa_lx60.c
@@ -31,7 +31,8 @@
#include "elf.h"
#include "memory.h"
#include "exec-memory.h"
-#include "pc.h"
+#include "serial.h"
+#include "net.h"
#include "sysbus.h"
#include "flash.h"
#include "blockdev.h"
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-13 09:04:10 +0000