sparc: support single-stepping over longjmp calls.
[deliverable/binutils-gdb.git] / sim / ppc / emul_generic.c
index 3b8ca02536255b52710596476c2a524d23fcf7eb..dc0b2cf1e0930ffb33f694e01ebb4a1c06920584 100644 (file)
@@ -1,21 +1,20 @@
 /*  This file is part of the program psim.
 
-    Copyright (C) 1994-1996, 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
-    the Free Software Foundation; either version 2 of the License, or
+    the Free Software Foundation; either version 3 of the License, or
     (at your option) any later version.
 
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
+
     You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+    along with this program; if not, see <http://www.gnu.org/licenses/>.
+
     */
 
 
@@ -38,7 +37,7 @@ emul_syscall_enter(emul_syscall *emul,
 {
   printf_filtered("%d:0x%lx:%s(",
                  cpu_nr(processor) + 1,
-                 (long)cia, 
+                 (long)cia,
                  emul->syscall_descriptor[call].name);
 }
 
@@ -260,8 +259,8 @@ emul_add_tree_options(device *tree,
   int little_endian = 0;
 
   /* sort out little endian */
-  if (device_find_property(tree, "/options/little-endian?"))
-    little_endian = device_find_boolean_property(tree, "/options/little-endian?");
+  if (tree_find_property(tree, "/options/little-endian?"))
+    little_endian = tree_find_boolean_property(tree, "/options/little-endian?");
   else {
 #ifdef bfd_little_endian       /* new bfd */
     little_endian = (image != NULL && bfd_little_endian(image));
@@ -269,88 +268,75 @@ emul_add_tree_options(device *tree,
     little_endian = (image != NULL &&
                     !image->xvec->byteorder_big_p);
 #endif
-    device_tree_add_parsed(tree, "/options/little-endian? %s",
-                          little_endian ? "true" : "false");
+    tree_parse(tree, "/options/little-endian? %s",
+              little_endian ? "true" : "false");
   }
 
   /* misc other stuff */
-  device_tree_add_parsed(tree, "/openprom/options/oea-memory-size 0x%x",
-                        OEA_MEMORY_SIZE);
-  device_tree_add_parsed(tree, "/openprom/options/oea-interrupt-prefix %d",
-                        oea_interrupt_prefix);
-  device_tree_add_parsed(tree, "/openprom/options/smp 1");
-  device_tree_add_parsed(tree, "/openprom/options/env %s", env);
-  device_tree_add_parsed(tree, "/openprom/options/os-emul %s", emul);
-  device_tree_add_parsed(tree, "/openprom/options/strict-alignment? %s",
-                        ((WITH_ALIGNMENT == 0 && little_endian)
-                         || (WITH_ALIGNMENT == STRICT_ALIGNMENT))
-                        ? "true" : "false");
-  device_tree_add_parsed(tree, "/openprom/options/floating-point? %s",
-                        WITH_FLOATING_POINT ? "true" : "false");
-  device_tree_add_parsed(tree, "/openprom/options/use-stdio? %s",
-                        WITH_STDIO == DO_USE_STDIO ? "true" : "false");
-  device_tree_add_parsed(tree, "/openprom/options/model \"%s",
-                        model_name[WITH_DEFAULT_MODEL]);
-  device_tree_add_parsed(tree, "/openprom/options/model-issue %d",
-                        MODEL_ISSUE_IGNORE);
+  tree_parse(tree, "/openprom/options/oea-memory-size 0x%x",
+            OEA_MEMORY_SIZE);
+  tree_parse(tree, "/openprom/options/oea-interrupt-prefix %d",
+            oea_interrupt_prefix);
+  tree_parse(tree, "/openprom/options/smp 1");
+  tree_parse(tree, "/openprom/options/env %s", env);
+  tree_parse(tree, "/openprom/options/os-emul %s", emul);
+  tree_parse(tree, "/openprom/options/strict-alignment? %s",
+            (WITH_ALIGNMENT == STRICT_ALIGNMENT)
+            ? "true" : "false");
+  tree_parse(tree, "/openprom/options/floating-point? %s",
+            WITH_FLOATING_POINT ? "true" : "false");
+  tree_parse(tree, "/openprom/options/use-stdio? %s",
+            ((WITH_STDIO == DO_USE_STDIO
+              || WITH_STDIO == 0)
+             ? "true" : "false"));
+  tree_parse(tree, "/openprom/options/model \"%s",
+            model_name[WITH_DEFAULT_MODEL]);
+  tree_parse(tree, "/openprom/options/model-issue %d",
+            MODEL_ISSUE_IGNORE);
 
   /* useful options */
-  /* FIXME - need to check the OpenBoot powerpc bindings to see if
-     this is still used and if so what it should be */
-  device_tree_add_parsed(tree, "/options/load-base 0x80000");
 }
 
 INLINE_EMUL_GENERIC void
 emul_add_tree_hardware(device *root)
 {
   int i;
-  int nr_cpus = device_find_integer_property(root, "/openprom/options/smp");
+  int nr_cpus = tree_find_integer_property(root, "/openprom/options/smp");
 
   /* sanity check the number of processors */
   if (nr_cpus > MAX_NR_PROCESSORS)
     error("Specified number of processors (%d) exceeds the number configured (%d).\n",
          nr_cpus, MAX_NR_PROCESSORS);
 
+  /* set the number of address cells (1 or 2) */
+  tree_parse(root, "#address-cells %d", WITH_TARGET_WORD_BITSIZE / 32);
+
   /* add some memory */
-  if (device_tree_find_device(root, "/memory") == NULL) {
+  if (tree_find_device(root, "/memory") == NULL) {
     unsigned_word memory_size =
-      device_find_integer_property(root, "/openprom/options/oea-memory-size");
-    device_tree_add_parsed(root, "/memory@0/reg { 0x0 0x%lx",
-                          (unsigned long)memory_size);
-    /* what about allocated? */
+      tree_find_integer_property(root, "/openprom/options/oea-memory-size");
+    const unsigned_word avail_start = 0x3000;
+    tree_parse(root, "/memory@0/reg 0x0 0x%lx",
+              (unsigned long)memory_size);
+    /* reserve the first 0x3000 for the PowerPC interrupt table */
+    tree_parse(root, "/memory@0/available 0x%lx  0x%lx",
+              (unsigned long)avail_start,
+              (unsigned long)memory_size - avail_start);
   }
 
   /* our processors */
   for (i = 0; i < nr_cpus; i++) {
-    device_tree_add_parsed(root, "/cpus/cpu@%d/cpu-nr %d", i, i);
-  }
-
-  /* a fake eeprom - need to be able to write to it */
-  device_tree_add_parsed(root, "/openprom/memory@0xfff00000/reg { 0xfff00000 0x3000");
-
-
-  /* A local bus containing basic devices */
-  device_tree_add_parsed(root, "/iobus@0xf0000000/reg { 0xf0000000 0x0f000000");
-
-  /* NVRAM with clock */
-  device_tree_add_parsed(root, "/iobus/nvram@0x0/reg   { 0 0x1000");
-  device_tree_add_parsed(root, "/iobus/nvram/timezone 0");
-
-  /* the debugging pal. Wire interrupts up directly */
-  device_tree_add_parsed(root, "/iobus/pal@0x0x1000/reg  { 0x1000 32");
-  for (i = 0; i < nr_cpus; i++) {
-    device_tree_add_parsed(root, "/iobus/pal > int%d int /cpus/cpu@%d", i, i);
+    tree_parse(root, "/cpus/cpu@%d/cpu-nr %d", i, i);
   }
 
-  /* a disk containing zero's */
-  device_tree_add_parsed(root, "/iobus/disk@0x2000/reg { 0x2000 0x1000");
-  device_tree_add_parsed(root, "/iobus/disk/file \"/dev/zero");
+  /* the debugging pal - hide it in the openprom and don't attach it
+     to any bus */
+  tree_parse(root, "/openprom/pal");
 
   /* chosen etc */
-  device_tree_add_parsed(root, "/chosen/stdin */iobus/pal");
-  device_tree_add_parsed(root, "/chosen/stdout !/chosen/stdin");
-  device_tree_add_parsed(root, "/chosen/memory */memory");
-  device_tree_add_parsed(root, "/chosen/disk */iobus/disk");
+  tree_parse(root, "/chosen/stdin */openprom/pal");
+  tree_parse(root, "/chosen/stdout !/chosen/stdin");
+  tree_parse(root, "/chosen/memory */memory");
 }
 
 #endif /* _EMUL_GENERIC_C_ */
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