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authorMichael S. Tsirkin <mst@redhat.com>2014-11-12 11:44:41 +0200
committerAmit Shah <amit.shah@redhat.com>2014-12-16 17:47:35 +0530
commit1240be24357ee292f8d05aa2abfdba75dd0ca25d (patch)
tree377ce51d512e0916fc18b25b2fce85ce352e9ab4 /include/exec
parent68a5e38a7e428c05610fdbced7e7320a7aea3dc2 (diff)
exec: add wrapper for host pointer access
host pointer accesses force pointer math, let's add a wrapper to make them safer. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Amos Kong <akong@redhat.com> Signed-off-by: Amit Shah <amit.shah@redhat.com>
Diffstat (limited to 'include/exec')
-rw-r--r--include/exec/cpu-all.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h
index c085804aed..9d8d408ea6 100644
--- a/include/exec/cpu-all.h
+++ b/include/exec/cpu-all.h
@@ -313,6 +313,11 @@ typedef struct RAMBlock {
int fd;
} RAMBlock;
+static inline void *ramblock_ptr(RAMBlock *block, ram_addr_t offset)
+{
+ return (char *)block->host + offset;
+}
+
typedef struct RAMList {
QemuMutex mutex;
/* Protected by the iothread lock. */