+/*-----------------------------------------------------------------*/
+/* gen51AggregateAssign - copy complete array's or structures */
+/*-----------------------------------------------------------------*/
+void gen51AggregateAssign(iCode *ic) {
+ operand *left=IC_LEFT(ic);
+ operand *right=IC_RIGHT(ic);
+ char *fromName=OP_SYMBOL(right)->rname;
+ char *toName=OP_SYMBOL(left)->rname;
+ int fromSize=getSize(OP_SYMBOL(right)->type);
+ int toSize=getSize(OP_SYMBOL(left)->type);
+ int count=toSize;
+
+ D(emitcode (";", "gen51AggregateAssign"));
+
+ if (SPEC_OCLS(OP_SYMBOL(left)->etype)!=xdata ||
+ SPEC_OCLS(OP_SYMBOL(right)->etype)!=code) {
+ // well, this code isn't used yet from anywhere else as for initialising
+ fprintf (stderr, "*** error: %s:%d can only assign aggregates from cseg to xseg for now\n", ic->filename, ic->lineno);
+ exit (457);
+ }
+
+ if (fromSize!=toSize) {
+ fprintf (stderr, "*** error: %s:%d aggregates have different size\n",
+ ic->filename, ic->lineno);
+ exit (821);
+ }
+
+#if 1
+ // use the generic memcpy() for now
+ emitcode (";", "initialize %s", OP_SYMBOL(IC_LEFT(ic))->name);
+ emitcode ("mov", "dptr,#_memcpy_PARM_2");
+ emitcode ("mov", "a,#%s", fromName);
+ emitcode ("movx", "@dptr,a");
+ emitcode ("inc", "dptr");
+ emitcode ("mov", "a,#(%s>>8)", fromName);
+ emitcode ("movx", "@dptr,a");
+ emitcode ("inc", "dptr");
+ emitcode ("mov", "a,#%02x; only from cseg for now", 2);
+ emitcode ("movx", "@dptr,a");
+ emitcode ("mov", "dptr,#_memcpy_PARM_3");
+ emitcode ("mov", "a,#(%d>>0); number of bytes", count);
+ emitcode ("movx", "@dptr,a");
+ emitcode ("inc", "dptr");
+ emitcode ("mov", "a,#(%d>>8)", count);
+ emitcode ("movx", "@dptr,a");
+ emitcode ("mov", "dptr,#%s", toName);
+ emitcode ("mov", "b,#%02x; only to xseg for now", 1);
+ emitcode ("lcall", "_memcpy");
+#else
+ // more efficient, but will require the native_memcpy_cs2xs
+ emitcode ("mov", "r0,#%s", fromName);
+ emitcode ("mov", "r1,#(%s>>8)", fromName);
+ emitcode ("mov", "r2,#%s", toName);
+ emitcode ("mov", "r3,#(%s>>8)", toName);
+ emitcode ("mov", "r4,#%d", count);
+ emitcode ("mov", "r5,#(%d>>8)", count);
+ emitcode ("lcall", "_native_memcpy_cs2xs");
+#endif
+}
+