sun4m_iommu: remove legacy sparc_iommu_memory_rw() function

With the switch to the IOMMU memory region and DMA API, this is no longer required. Signed-off-by: Mark Cave-Ayland <[email protected]>
0x3h · Oct 31, 2017 · 3cc71c7 · 3cc71c7
1 parent c413e9a
commit 3cc71c7
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diff --git a/hw/dma/sun4m_iommu.c b/hw/dma/sun4m_iommu.c
@@ -321,39 +321,6 @@ static IOMMUTLBEntry sun4m_translate_iommu(IOMMUMemoryRegion *iommu,
     return ret;
 }
 
-void sparc_iommu_memory_rw(void *opaque, hwaddr addr,
-                           uint8_t *buf, int len, int is_write)
-{
-    int l;
-    uint32_t flags;
-    hwaddr page, phys_addr;
-
-    while (len > 0) {
-        page = addr & IOMMU_PAGE_MASK;
-        l = (page + IOMMU_PAGE_SIZE) - addr;
-        if (l > len)
-            l = len;
-        flags = iommu_page_get_flags(opaque, page);
-        if (!(flags & IOPTE_VALID)) {
-            iommu_bad_addr(opaque, page, is_write);
-            return;
-        }
-        phys_addr = iommu_translate_pa(addr, flags);
-        if (is_write) {
-            if (!(flags & IOPTE_WRITE)) {
-                iommu_bad_addr(opaque, page, is_write);
-                return;
-            }
-            cpu_physical_memory_write(phys_addr, buf, l);
-        } else {
-            cpu_physical_memory_read(phys_addr, buf, l);
-        }
-        len -= l;
-        buf += l;
-        addr += l;
-    }
-}
-
 static const VMStateDescription vmstate_iommu = {
     .name ="iommu",
     .version_id = 2,

diff --git a/include/hw/sparc/sun4m.h b/include/hw/sparc/sun4m.h
@@ -29,22 +29,6 @@ typedef struct IOMMUState {
     uint32_t version;
 } IOMMUState;
 
-void sparc_iommu_memory_rw(void *opaque, hwaddr addr,
-                                 uint8_t *buf, int len, int is_write);
-static inline void sparc_iommu_memory_read(void *opaque,
-                                           hwaddr addr,
-                                           uint8_t *buf, int len)
-{
-    sparc_iommu_memory_rw(opaque, addr, buf, len, 0);
-}
-
-static inline void sparc_iommu_memory_write(void *opaque,
-                                            hwaddr addr,
-                                            uint8_t *buf, int len)
-{
-    sparc_iommu_memory_rw(opaque, addr, buf, len, 1);
-}
-
 /* sparc32_dma.c */
 #include "hw/sparc/sparc32_dma.h"