aboutsummaryrefslogtreecommitdiff
path: root/softmmu
diff options
context:
space:
mode:
Diffstat (limited to 'softmmu')
-rw-r--r--softmmu/memory.c27
-rw-r--r--softmmu/physmem.c2
2 files changed, 29 insertions, 0 deletions
diff --git a/softmmu/memory.c b/softmmu/memory.c
index 403ff3abc9..ee4a6bc168 100644
--- a/softmmu/memory.c
+++ b/softmmu/memory.c
@@ -656,6 +656,19 @@ static void render_memory_region(FlatView *view,
}
}
+void flatview_for_each_range(FlatView *fv, flatview_cb cb , void *opaque)
+{
+ FlatRange *fr;
+
+ assert(fv);
+ assert(cb);
+
+ FOR_EACH_FLAT_RANGE(fr, fv) {
+ if (cb(fr->addr.start, fr->addr.size, fr->mr, opaque))
+ break;
+ }
+}
+
static MemoryRegion *memory_region_get_flatview_root(MemoryRegion *mr)
{
while (mr->enabled) {
@@ -1420,6 +1433,7 @@ MemTxResult memory_region_dispatch_read(MemoryRegion *mr,
unsigned size = memop_size(op);
MemTxResult r;
+ fuzz_dma_read_cb(addr, size, mr, false);
if (!memory_region_access_valid(mr, addr, size, false, attrs)) {
*pval = unassigned_mem_read(mr, addr, size);
return MEMTX_DECODE_ERROR;
@@ -3233,6 +3247,19 @@ void memory_region_init_rom_device(MemoryRegion *mr,
vmstate_register_ram(mr, owner_dev);
}
+/*
+ * Support softmmu builds with CONFIG_FUZZ using a weak symbol and a stub for
+ * the fuzz_dma_read_cb callback
+ */
+#ifdef CONFIG_FUZZ
+void __attribute__((weak)) fuzz_dma_read_cb(size_t addr,
+ size_t len,
+ MemoryRegion *mr,
+ bool is_write)
+{
+}
+#endif
+
static const TypeInfo memory_region_info = {
.parent = TYPE_OBJECT,
.name = TYPE_MEMORY_REGION,
diff --git a/softmmu/physmem.c b/softmmu/physmem.c
index e319fb2a1e..a9adedb9f8 100644
--- a/softmmu/physmem.c
+++ b/softmmu/physmem.c
@@ -2832,6 +2832,7 @@ MemTxResult flatview_read_continue(FlatView *fv, hwaddr addr,
stn_he_p(buf, l, val);
} else {
/* RAM case */
+ fuzz_dma_read_cb(addr, len, mr, false);
ram_ptr = qemu_ram_ptr_length(mr->ram_block, addr1, &l, false);
memcpy(buf, ram_ptr, l);
}
@@ -3192,6 +3193,7 @@ void *address_space_map(AddressSpace *as,
memory_region_ref(mr);
*plen = flatview_extend_translation(fv, addr, len, mr, xlat,
l, is_write, attrs);
+ fuzz_dma_read_cb(addr, *plen, mr, is_write);
ptr = qemu_ram_ptr_length(mr->ram_block, xlat, plen, true);
return ptr;