PowerPC PSIM simulator for FreeBSD/PowerPC kernel development.

Submitted by:	mp (emblishment by me)

1 files changed, 63 insertions, 0 deletions

diff --git a/emulators/psim-freebsd/files/patch-hw_cpu.c b/emulators/psim-freebsd/files/patch-hw_cpu.c
new file mode 100644
index 0000000..dedb2c7
--- /dev/null
+++ b/emulators/psim-freebsd/files/patch-hw_cpu.c
@@ -0,0 +1,63 @@
+diff -r -u sim/ppc/hw_cpu.c /local2/gcc/ppc/gdb+dejagnu-20011007/sim/ppc/hw_cpu.c
+--- sim/ppc/hw_cpu.c	Thu Apr 15 18:35:09 1999
++++ /local2/gcc/ppc/gdb+dejagnu-20011007/sim/ppc/hw_cpu.c	Sun Oct  7 16:16:57 2001
+@@ -110,6 +110,8 @@
+ {
+   hw_cpu_device *hw_cpu = (hw_cpu_device*)device_data(me);
+   /* populate the node with properties */
++  device_add_string_property(me, "device_type", "cpu");
++  device_add_integer_property(me, "timebase-frequency", 0x00fe502a);
+   /* clear our data */
+   memset(hw_cpu, 0x0, sizeof(hw_cpu_device));
+   hw_cpu->cpu_nr = device_find_integer_property(me, "cpu-nr");
+@@ -148,6 +150,42 @@
+   }
+ }
+ 
++/* An instance of the cpu */
++  
++typedef struct _hw_cpu_instance {
++  unsigned_word pos;
++  hw_cpu_device *cpu;
++  device *me;
++} hw_cpu_instance;
++
++static void
++hw_cpu_instance_delete(device_instance *instance)
++{
++  hw_cpu_instance *data = device_instance_data(instance);
++  zfree(data);
++}
++
++static const device_instance_callbacks hw_cpu_instance_callbacks = {
++  hw_cpu_instance_delete,
++  NULL,
++  NULL,
++  NULL,
++};
++
++static device_instance *     
++hw_cpu_create_instance(device *me,    
++                          const char *path,
++                          const char *args)
++{
++  hw_cpu_device *cpu = device_data(me);
++  hw_cpu_instance *data = ZALLOC(hw_cpu_instance);
++  data->cpu = cpu;
++  data->me = me;
++  return device_create_instance_from(me, NULL,
++                                     data,
++                                     path, args,
++                                     &hw_cpu_instance_callbacks);
++}
+ 
+ static device_callbacks const hw_cpu_callbacks = {
+   { hw_cpu_init_address, }, /* init */
+@@ -156,6 +194,7 @@
+   { NULL, }, /* DMA */
+   { hw_cpu_interrupt_event, NULL, hw_cpu_interrupt_ports }, /* interrupts */
+   { NULL, NULL, },
++  hw_cpu_create_instance,
+ };
+ 
+ const device_descriptor hw_cpu_device_descriptor[] = {