X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvm_guest_mem.c;h=d05bd397a8f25f38a0ade5c2ee56a5ba540aa63a;hb=e3b62e7befa086a4fb320890952f54667ee46329;hp=810be79b589829909d7371193eb4fbd874f45433;hpb=88b5b2e56e64f1d7f93d6fd225afa8d572387f9c;p=palacios.git

diff --git a/palacios/src/palacios/vm_guest_mem.c b/palacios/src/palacios/vm_guest_mem.c
index 810be79..d05bd39 100644
--- a/palacios/src/palacios/vm_guest_mem.c
+++ b/palacios/src/palacios/vm_guest_mem.c
@@ -396,6 +396,41 @@ int v3_read_gpa_memory(struct guest_info * guest_info, addr_t gpa, int count, uc
 }
 
 
+/* This clones v3_read_gva_memory
+ *   We write only as far as page translations are available 
+ */
+int v3_write_gva_memory(struct guest_info * guest_info, addr_t gva, int count, uchar_t * src) {
+    addr_t cursor = gva;
+    int bytes_written = 0;
+
+
+
+    while (count > 0) {
+	int dist_to_pg_edge = (PAGE_ADDR(cursor) + PAGE_SIZE) - cursor;
+	int bytes_to_copy = (dist_to_pg_edge > count) ? count : dist_to_pg_edge;
+	addr_t host_addr = 0;
+
+    
+	if (v3_gva_to_hva(guest_info, cursor, &host_addr) != 0) {
+	    PrintDebug("Invalid GVA(%p)->HVA lookup\n", (void *)cursor);
+	    return bytes_written;
+	}
+    
+    
+
+	memcpy((void*)host_addr,
+	       src + bytes_written, 
+	       bytes_to_copy);
+    
+	bytes_written += bytes_to_copy;
+	count -= bytes_to_copy;
+	cursor += bytes_to_copy;    
+    }
+
+    return bytes_written;
+}
+
+
 
 
 /* This is a straight address conversion + copy,