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sun4m: implement IOMMU translation using IOMMU memory region

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Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
This commit is contained in:
Mark Cave-Ayland 2017-10-27 13:09:03 +01:00
parent 331b7fc156
commit 8413846631
2 changed files with 67 additions and 0 deletions
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5
include/hw/sparc/sun4m.h
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@ -12,11 +12,16 @@
#define TYPE_SUN4M_IOMMU "iommu"
#define SUN4M_IOMMU(obj) OBJECT_CHECK(IOMMUState, (obj), TYPE_SUN4M_IOMMU)
#define TYPE_SUN4M_IOMMU_MEMORY_REGION "sun4m-iommu-memory-region"
#define IOMMU_NREGS (4 * 4096 / 4)
typedef struct IOMMUState {
SysBusDevice parent_obj;
AddressSpace iommu_as;
IOMMUMemoryRegion iommu;
MemoryRegion iomem;
uint32_t regs[IOMMU_NREGS];
hwaddr iostart;