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authorMichael Meissner <gnu@the-meissners.org>1996-07-23 15:42:42 +0000
committerMichael Meissner <gnu@the-meissners.org>1996-07-23 15:42:42 +0000
commit30c87b55ec44de3a56cecf41fc7c93ed0c4005ca (patch)
tree5752ad56a8e4c990eb02b12f68d486415c79c41b /sim/ppc/emul_generic.c
parent856bcbcbbc01a252a8df2221038100e9a33f87ff (diff)
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New simulator changes from Andrew
Diffstat (limited to 'sim/ppc/emul_generic.c')
-rw-r--r--sim/ppc/emul_generic.c22
1 files changed, 20 insertions, 2 deletions
diff --git a/sim/ppc/emul_generic.c b/sim/ppc/emul_generic.c
index 3883d03..73209f5 100644
--- a/sim/ppc/emul_generic.c
+++ b/sim/ppc/emul_generic.c
@@ -290,6 +290,11 @@ emul_add_tree_options(device *tree,
model_name[WITH_DEFAULT_MODEL]);
device_tree_add_parsed(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
@@ -298,6 +303,11 @@ emul_add_tree_hardware(device *root)
int i;
int nr_cpus = device_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);
+
/* add some memory */
if (device_tree_find_device(root, "/memory") == NULL) {
unsigned_word memory_size =
@@ -315,21 +325,29 @@ emul_add_tree_hardware(device *root)
/* 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 600");
+ 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 > %d int /cpus/cpu@%d", i, i);
+ device_tree_add_parsed(root, "/iobus/pal > int%d int /cpus/cpu@%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");
+
/* 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");
}
#endif /* _EMUL_GENERIC_C_ */