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authorPeter Maydell <peter.maydell@linaro.org>2017-02-16 17:46:52 +0000
committerPeter Maydell <peter.maydell@linaro.org>2017-02-16 17:46:52 +0000
commitad584d37f2a86b392c25f3f00cc1f1532676c2d1 (patch)
treedf53f097f7eff5d7595d4a8a577d2c73e0806e86 /hw/char/mcf_uart.c
parent7a37b59f1d28e4b4c0f99f49aa305a59986f6643 (diff)
parent65c9d60a3ad3249784348824eca69acac455bc02 (diff)
downloadqemu-ad584d37f2a86b392c25f3f00cc1f1532676c2d1.tar.gz
Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
* GUEST_PANICKED improvements (Anton) * vCont gdbstub rewrite (Claudio) * Fix CPU creation with -device (Liyang) * Logging fixes for pty chardevs (Ed) * Makefile "move if changed" fix (Lin) * First part of cpu_exec refactoring (me) * SVM emulation fix (me) * apic_delivered fix (Pavel) * "info ioapic" fix (Peter) * qemu-nbd socket activation (Richard) * QOMification of mcf_uart (Thomas) # gpg: Signature made Thu 16 Feb 2017 17:37:31 GMT # gpg: using RSA key 0xBFFBD25F78C7AE83 # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" # Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1 # Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83 * remotes/bonzini/tags/for-upstream: (23 commits) target-i386: correctly propagate retaddr into SVM helpers vl: log available guest crash information report guest crash information in GUEST_PANICKED event i386/cpu: add crash-information QOM property Makefile: avoid leaving the temporary QEMU_PKGVERSION header file vl: Move the cpu_synchronize_all_post_init() after generic devices initialization qemu-nbd: Implement socket activation. qemu-doc: Clarify that -vga std is now the default cpu-exec: remove outermost infinite loop cpu-exec: avoid repeated sigsetjmp on interrupts cpu-exec: avoid cpu_loop_exit in cpu_handle_interrupt cpu-exec: tighten barrier on TCG_EXIT_REQUESTED cpu-exec: fix icount out-of-bounds access hw/char/mcf_uart: QOMify the ColdFire UART gdbstub: Fix vCont behaviour move vm_start to cpus.c char: drop data written to a disconnected pty apic: reset apic_delivered global variable on machine reset qemu-char: socket backend: disconnect on write error test-vmstate: remove yield_until_fd_readable ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/char/mcf_uart.c')
-rw-r--r--hw/char/mcf_uart.c102
1 files changed, 77 insertions, 25 deletions
diff --git a/hw/char/mcf_uart.c b/hw/char/mcf_uart.c
index 80c380e077..e69672f4e9 100644
--- a/hw/char/mcf_uart.c
+++ b/hw/char/mcf_uart.c
@@ -7,12 +7,15 @@
*/
#include "qemu/osdep.h"
#include "hw/hw.h"
+#include "hw/sysbus.h"
#include "hw/m68k/mcf.h"
#include "sysemu/char.h"
#include "exec/address-spaces.h"
#include "qapi/error.h"
typedef struct {
+ SysBusDevice parent_obj;
+
MemoryRegion iomem;
uint8_t mr[2];
uint8_t sr;
@@ -30,6 +33,9 @@ typedef struct {
CharBackend chr;
} mcf_uart_state;
+#define TYPE_MCF_UART "mcf-uart"
+#define MCF_UART(obj) OBJECT_CHECK(mcf_uart_state, (obj), TYPE_MCF_UART)
+
/* UART Status Register bits. */
#define MCF_UART_RxRDY 0x01
#define MCF_UART_FFULL 0x02
@@ -220,8 +226,10 @@ void mcf_uart_write(void *opaque, hwaddr addr,
mcf_uart_update(s);
}
-static void mcf_uart_reset(mcf_uart_state *s)
+static void mcf_uart_reset(DeviceState *dev)
{
+ mcf_uart_state *s = MCF_UART(dev);
+
s->fifo_len = 0;
s->mr[0] = 0;
s->mr[1] = 0;
@@ -275,36 +283,80 @@ static void mcf_uart_receive(void *opaque, const uint8_t *buf, int size)
mcf_uart_push_byte(s, buf[0]);
}
-void *mcf_uart_init(qemu_irq irq, Chardev *chr)
-{
- mcf_uart_state *s;
-
- s = g_malloc0(sizeof(mcf_uart_state));
- s->irq = irq;
- if (chr) {
- qemu_chr_fe_init(&s->chr, chr, &error_abort);
- qemu_chr_fe_set_handlers(&s->chr, mcf_uart_can_receive,
- mcf_uart_receive, mcf_uart_event,
- s, NULL, true);
- }
- mcf_uart_reset(s);
- return s;
-}
-
static const MemoryRegionOps mcf_uart_ops = {
.read = mcf_uart_read,
.write = mcf_uart_write,
.endianness = DEVICE_NATIVE_ENDIAN,
};
-void mcf_uart_mm_init(MemoryRegion *sysmem,
- hwaddr base,
- qemu_irq irq,
- Chardev *chr)
+static void mcf_uart_instance_init(Object *obj)
+{
+ SysBusDevice *dev = SYS_BUS_DEVICE(obj);
+ mcf_uart_state *s = MCF_UART(dev);
+
+ memory_region_init_io(&s->iomem, obj, &mcf_uart_ops, s, "uart", 0x40);
+ sysbus_init_mmio(dev, &s->iomem);
+
+ sysbus_init_irq(dev, &s->irq);
+}
+
+static void mcf_uart_realize(DeviceState *dev, Error **errp)
+{
+ mcf_uart_state *s = MCF_UART(dev);
+
+ qemu_chr_fe_set_handlers(&s->chr, mcf_uart_can_receive, mcf_uart_receive,
+ mcf_uart_event, s, NULL, true);
+}
+
+static Property mcf_uart_properties[] = {
+ DEFINE_PROP_CHR("chardev", mcf_uart_state, chr),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void mcf_uart_class_init(ObjectClass *oc, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(oc);
+
+ dc->realize = mcf_uart_realize;
+ dc->reset = mcf_uart_reset;
+ dc->props = mcf_uart_properties;
+ set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
+}
+
+static const TypeInfo mcf_uart_info = {
+ .name = TYPE_MCF_UART,
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(mcf_uart_state),
+ .instance_init = mcf_uart_instance_init,
+ .class_init = mcf_uart_class_init,
+};
+
+static void mcf_uart_register(void)
+{
+ type_register_static(&mcf_uart_info);
+}
+
+type_init(mcf_uart_register)
+
+void *mcf_uart_init(qemu_irq irq, Chardev *chrdrv)
+{
+ DeviceState *dev;
+
+ dev = qdev_create(NULL, TYPE_MCF_UART);
+ if (chrdrv) {
+ qdev_prop_set_chr(dev, "chardev", chrdrv);
+ }
+ qdev_init_nofail(dev);
+
+ sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, irq);
+
+ return dev;
+}
+
+void mcf_uart_mm_init(hwaddr base, qemu_irq irq, Chardev *chrdrv)
{
- mcf_uart_state *s;
+ DeviceState *dev;
- s = mcf_uart_init(irq, chr);
- memory_region_init_io(&s->iomem, NULL, &mcf_uart_ops, s, "uart", 0x40);
- memory_region_add_subregion(sysmem, base, &s->iomem);
+ dev = mcf_uart_init(irq, chrdrv);
+ sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, base);
}