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 TYPE_SUN4M_IOMMU_MEMORY_REGION "sun4m-iommu-memory-region"
  16
  17 #define IOMMU_NREGS         (4 * 4096 / 4)
  18
  19 typedef struct IOMMUState {
  20     SysBusDevice parent_obj;
  21
  22     AddressSpace iommu_as;
  23     IOMMUMemoryRegion iommu;
  24
  25     MemoryRegion iomem;
  26     uint32_t regs[IOMMU_NREGS];
  27     hwaddr iostart;
  28     qemu_irq irq;
  29     uint32_t version;
  30 } IOMMUState;
  31
  32 void sparc_iommu_memory_rw(void *opaque, hwaddr addr,
  33                                  uint8_t *buf, int len, int is_write);
  34 static inline void sparc_iommu_memory_read(void *opaque,
  35                                            hwaddr addr,
  36                                            uint8_t *buf, int len)
  37 {
  38     sparc_iommu_memory_rw(opaque, addr, buf, len, 0);
  39 }
  40
  41 static inline void sparc_iommu_memory_write(void *opaque,
  42                                             hwaddr addr,
  43                                             uint8_t *buf, int len)
  44 {
  45     sparc_iommu_memory_rw(opaque, addr, buf, len, 1);
  46 }
  47
  48 /* sparc32_dma.c */
  49 #include "hw/sparc/sparc32_dma.h"
  50
  51 #endif