Add support to GDB for the Renesas rl78 architecture.
[external/binutils.git] / sim / ppc / vm_n.h
index 0a9d0a1..9222ffa 100644 (file)
@@ -1,6 +1,6 @@
 /*  This file is part of the program psim.
 
-    Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
+    Copyright (C) 1994-1997, Andrew Cagney <cagney@highland.com.au>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
 #error "N must be #defined"
 #endif
 
-#undef unsigned_N
+/* NOTE: See end of file for #undef */
 #define unsigned_N XCONCAT2(unsigned_,N)
-#undef T2H_N
 #define T2H_N XCONCAT2(T2H_,N)
-#undef H2T_N
 #define H2T_N XCONCAT2(H2T_,N)
+#define vm_data_map_read_N XCONCAT2(vm_data_map_read_,N)
+#define vm_data_map_write_N XCONCAT2(vm_data_map_write_,N)
 
 
-INLINE_VM unsigned_N
-XCONCAT2(vm_data_map_read_,N)(vm_data_map *map,
-                             unsigned_word ea,
-                             cpu *processor,
-                             unsigned_word cia)
+INLINE_VM\
+(unsigned_N)
+vm_data_map_read_N(vm_data_map *map,
+                  unsigned_word ea,
+                  cpu *processor,
+                  unsigned_word cia)
 {
   if ((ea & (sizeof(unsigned_N)-1)) == 0) {
     unsigned ra = vm_real_data_addr(map, ea, 1/*is-read*/, processor, cia);
-    unsigned_N val = XCONCAT2(core_map_read_,N)(map->read, ra, processor, cia);
+    unsigned_N val;
+    if (WITH_XOR_ENDIAN)
+      ra ^= map->translation.xor[sizeof(unsigned_N) - 1];
+    val = XCONCAT2(core_map_read_,N)(map->read, ra, processor, cia);
     if (WITH_MON & MONITOR_LOAD_STORE_UNIT)
       mon_read(ea, ra, sizeof(unsigned_N), processor, cia);
-    TRACE(trace_load_store, ("load cia=0x%x ea=0x%x N=%d val=0x%x\n",
-                            cia, ea, sizeof(unsigned_N), val));
+    TRACE(trace_load_store, ("load cia=0x%lx ea=0x%lx N=%ld val=0x%lx\n",
+                            (long)cia, (long)ea, (long)sizeof(unsigned_N), (long)val));
     return val;
   }
   else {
@@ -54,40 +58,45 @@ XCONCAT2(vm_data_map_read_,N)(vm_data_map *map,
     case NONSTRICT_ALIGNMENT:
       {
        unsigned_N val;
-       if (vm_data_map_read_buffer(map, &val, ea, sizeof(unsigned_N))
-           != sizeof(unsigned_N))
-         alignment_interrupt(processor, cia, ea);
+       if (vm_data_map_read_buffer(map, &val, ea, sizeof(unsigned_N), processor, cia)
+           != sizeof(unsigned_N)) {
+         cpu_error(processor, cia, "misaligned %d byte read to 0x%lx failed",
+                   sizeof(unsigned_N), (unsigned long)ea);
+       }
        val = T2H_N(val);
        if (WITH_MON & MONITOR_LOAD_STORE_UNIT) {
          /* YUCK */
          unsigned ra = vm_real_data_addr(map, ea, 1, processor, cia);
          mon_read(ea, ra, sizeof(unsigned_N), processor, cia);
        }
-       TRACE(trace_load_store, ("load cia=0x%x ea=0x%x N=%d data=0x%x\n",
-                                cia, ea, sizeof(unsigned_N), val));
+       TRACE(trace_load_store, ("load cia=0x%lx ea=0x%lx N=%ld data=0x%lx\n",
+                                (long)cia, (long)ea, (long)sizeof(unsigned_N), (long)val));
        return val;
       }
     default:
-      error("unknown alignment support\n");
+      error("internal error - vm_data_map_read_N - bad switch");
       return 0;
     }
   }
 }
 
-INLINE_VM void
-XCONCAT2(vm_data_map_write_,N)(vm_data_map *map,
-                              unsigned_word ea,
-                              unsigned_N val,
-                              cpu *processor,
-                              unsigned_word cia)
+INLINE_VM\
+(void)
+vm_data_map_write_N(vm_data_map *map,
+                   unsigned_word ea,
+                   unsigned_N val,
+                   cpu *processor,
+                   unsigned_word cia)
 {
   if ((ea & (sizeof(unsigned_N)-1)) == 0) {
     unsigned ra = vm_real_data_addr(map, ea, 0/*is-read?*/, processor, cia);
+    if (WITH_XOR_ENDIAN)
+      ra ^= map->translation.xor[sizeof(unsigned_N) - 1];
     XCONCAT2(core_map_write_,N)(map->write, ra, val, processor, cia);
     if (WITH_MON & MONITOR_LOAD_STORE_UNIT)
       mon_write(ea, ra, sizeof(unsigned_N), processor, cia);
-    TRACE(trace_load_store, ("store cia=0x%x ea=0x%x N=%d val=0x%x\n",
-                            cia, ea, sizeof(unsigned_N), val));
+    TRACE(trace_load_store, ("store cia=0x%lx ea=0x%lx N=%ld val=0x%lx\n",
+                            (long)cia, (long)ea, (long)sizeof(unsigned_N), (long)val));
   }
   else {
     switch (CURRENT_ALIGNMENT) {
@@ -97,20 +106,29 @@ XCONCAT2(vm_data_map_write_,N)(vm_data_map *map,
     case NONSTRICT_ALIGNMENT:
       {
        unsigned_N data = H2T_N(val);
-        if (vm_data_map_write_buffer(map, &data, ea, sizeof(unsigned_N), 0)
-           != sizeof(unsigned_N))
-          alignment_interrupt(processor, cia, ea);
+       if (vm_data_map_write_buffer(map, &data, ea, sizeof(unsigned_N), 0, processor, cia)
+           != sizeof(unsigned_N)) {
+         cpu_error(processor, cia, "misaligned %d byte write to 0x%lx failed",
+                   sizeof(unsigned_N), (unsigned long)ea);
+       }
        if (WITH_MON & MONITOR_LOAD_STORE_UNIT) {
          /* YUCK */
          unsigned ra = vm_real_data_addr(map, ea, 1, processor, cia);
          mon_write(ea, ra, sizeof(unsigned_N), processor, cia);
        }
-       TRACE(trace_load_store, ("store cia=0x%x ea=0x%x N=%d val=0x%x\n",
-                                cia, ea, sizeof(unsigned_N), val));
+       TRACE(trace_load_store, ("store cia=0x%lx ea=0x%lx N=%ld val=0x%lx\n",
+                                (long)cia, (long)ea, (long)sizeof(unsigned_N), (long)val));
       }
       break;
     default:
-      error("unknown alignment support\n");
+      error("internal error - vm_data_map_write_N - bad switch");
     }
   }
 }
+
+/* NOTE: see start of file for #define */
+#undef unsigned_N
+#undef T2H_N
+#undef H2T_N
+#undef vm_data_map_read_N
+#undef vm_data_map_write_N