include/hw/sparc/sun4m.h

   1 #ifndef SUN4M_H
   2 #define SUN4M_H
   3
   4 #include "qemu-common.h"
   5 #include "exec/hwaddr.h"
   6 #include "qapi/qmp/types.h"
   7 #include "hw/sysbus.h"
   8
   9 /* Devices used by sparc32 system.  */
  10
  11 /* iommu.c */
  12 #define TYPE_SUN4M_IOMMU "iommu"
  13 #define SUN4M_IOMMU(obj) OBJECT_CHECK(IOMMUState, (obj), TYPE_SUN4M_IOMMU)
  14
  15 #define IOMMU_NREGS         (4 * 4096 / 4)
  16
  17 typedef struct IOMMUState {
  18     SysBusDevice parent_obj;
  19
  20     MemoryRegion iomem;
  21     uint32_t regs[IOMMU_NREGS];
  22     hwaddr iostart;
  23     qemu_irq irq;
  24     uint32_t version;
  25 } IOMMUState;
  26
  27 void sparc_iommu_memory_rw(void *opaque, hwaddr addr,
  28                                  uint8_t *buf, int len, int is_write);
  29 static inline void sparc_iommu_memory_read(void *opaque,
  30                                            hwaddr addr,
  31                                            uint8_t *buf, int len)
  32 {
  33     sparc_iommu_memory_rw(opaque, addr, buf, len, 0);
  34 }
  35
  36 static inline void sparc_iommu_memory_write(void *opaque,
  37                                             hwaddr addr,
  38                                             uint8_t *buf, int len)
  39 {
  40     sparc_iommu_memory_rw(opaque, addr, buf, len, 1);
  41 }
  42
  43 /* sparc32_dma.c */
  44 #include "hw/sparc/sparc32_dma.h"
  45
  46 #endif