qemu

FORK: QEMU emulator
git clone https://git.neptards.moe/neptards/qemu.git
Log | Files | Refs | Submodules | LICENSE

pl011.h (2425B)

      1 /*
      2  * This program is free software; you can redistribute it and/or modify it
      3  * under the terms and conditions of the GNU General Public License,
      4  * version 2 or later, as published by the Free Software Foundation.
      5  *
      6  * This program is distributed in the hope it will be useful, but WITHOUT
      7  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
      8  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
      9  * more details.
     10  *
     11  * You should have received a copy of the GNU General Public License along with
     12  * this program.  If not, see <http://www.gnu.org/licenses/>.
     13  */
     14 
     15 #ifndef HW_PL011_H
     16 #define HW_PL011_H
     17 
     18 #include "hw/qdev-properties.h"
     19 #include "hw/sysbus.h"
     20 #include "chardev/char-fe.h"
     21 #include "qapi/error.h"
     22 #include "qom/object.h"
     23 
     24 #define TYPE_PL011 "pl011"
     25 OBJECT_DECLARE_SIMPLE_TYPE(PL011State, PL011)
     26 
     27 /* This shares the same struct (and cast macro) as the base pl011 device */
     28 #define TYPE_PL011_LUMINARY "pl011_luminary"
     29 
     30 struct PL011State {
     31     SysBusDevice parent_obj;
     32 
     33     MemoryRegion iomem;
     34     uint32_t readbuff;
     35     uint32_t flags;
     36     uint32_t lcr;
     37     uint32_t rsr;
     38     uint32_t cr;
     39     uint32_t dmacr;
     40     uint32_t int_enabled;
     41     uint32_t int_level;
     42     uint32_t read_fifo[16];
     43     uint32_t ilpr;
     44     uint32_t ibrd;
     45     uint32_t fbrd;
     46     uint32_t ifl;
     47     int read_pos;
     48     int read_count;
     49     int read_trigger;
     50     CharBackend chr;
     51     qemu_irq irq[6];
     52     Clock *clk;
     53     bool migrate_clk;
     54     const unsigned char *id;
     55 };
     56 
     57 static inline DeviceState *pl011_create(hwaddr addr,
     58                                         qemu_irq irq,
     59                                         Chardev *chr)
     60 {
     61     DeviceState *dev;
     62     SysBusDevice *s;
     63 
     64     dev = qdev_new("pl011");
     65     s = SYS_BUS_DEVICE(dev);
     66     qdev_prop_set_chr(dev, "chardev", chr);
     67     sysbus_realize_and_unref(s, &error_fatal);
     68     sysbus_mmio_map(s, 0, addr);
     69     sysbus_connect_irq(s, 0, irq);
     70 
     71     return dev;
     72 }
     73 
     74 static inline DeviceState *pl011_luminary_create(hwaddr addr,
     75                                                  qemu_irq irq,
     76                                                  Chardev *chr)
     77 {
     78     DeviceState *dev;
     79     SysBusDevice *s;
     80 
     81     dev = qdev_new("pl011_luminary");
     82     s = SYS_BUS_DEVICE(dev);
     83     qdev_prop_set_chr(dev, "chardev", chr);
     84     sysbus_realize_and_unref(s, &error_fatal);
     85     sysbus_mmio_map(s, 0, addr);
     86     sysbus_connect_irq(s, 0, irq);
     87 
     88     return dev;
     89 }
     90 
     91 #endif