Revision a014ed07 memory.c
| b/memory.c | ||
|---|---|---|
| 856 | 856 |
unsigned size, |
| 857 | 857 |
bool is_write) |
| 858 | 858 |
{
|
| 859 |
if (mr->ops->valid.accepts |
|
| 860 |
&& !mr->ops->valid.accepts(mr->opaque, addr, size, is_write)) {
|
|
| 861 |
return false; |
|
| 862 |
} |
|
| 859 |
int access_size_min, access_size_max; |
|
| 860 |
int access_size, i; |
|
| 863 | 861 |
|
| 864 | 862 |
if (!mr->ops->valid.unaligned && (addr & (size - 1))) {
|
| 865 | 863 |
return false; |
| 866 | 864 |
} |
| 867 | 865 |
|
| 868 |
/* Treat zero as compatibility all valid */ |
|
| 869 |
if (!mr->ops->valid.max_access_size) {
|
|
| 866 |
if (!mr->ops->valid.accepts) {
|
|
| 870 | 867 |
return true; |
| 871 | 868 |
} |
| 872 | 869 |
|
| 873 |
if (size > mr->ops->valid.max_access_size |
|
| 874 |
|| size < mr->ops->valid.min_access_size) {
|
|
| 875 |
return false; |
|
| 870 |
access_size_min = mr->ops->valid.min_access_size; |
|
| 871 |
if (!mr->ops->valid.min_access_size) {
|
|
| 872 |
access_size_min = 1; |
|
| 873 |
} |
|
| 874 |
|
|
| 875 |
access_size_max = mr->ops->valid.max_access_size; |
|
| 876 |
if (!mr->ops->valid.max_access_size) {
|
|
| 877 |
access_size_max = 4; |
|
| 878 |
} |
|
| 879 |
|
|
| 880 |
access_size = MAX(MIN(size, access_size_max), access_size_min); |
|
| 881 |
for (i = 0; i < size; i += access_size) {
|
|
| 882 |
if (!mr->ops->valid.accepts(mr->opaque, addr + i, access_size, |
|
| 883 |
is_write)) {
|
|
| 884 |
return false; |
|
| 885 |
} |
|
| 876 | 886 |
} |
| 887 |
|
|
| 877 | 888 |
return true; |
| 878 | 889 |
} |
| 879 | 890 |
|
Also available in: Unified diff