static void
create_ppc_aix_stack_frame(device *me,
unsigned_word bottom_of_stack,
char **argv,
char **envp)
{
unsigned_word core_envp;
unsigned_word core_argv;
unsigned_word core_argc;
unsigned_word core_aux;
unsigned_word top_of_stack;
/* cheat - create an elf stack frame */
create_ppc_elf_stack_frame(me, bottom_of_stack, argv, envp);
/* extract argument addresses from registers */
psim_read_register(device_system(me), 0,
&top_of_stack, "r1", cooked_transfer);
psim_read_register(device_system(me), 0,
&core_argc, "r3", cooked_transfer);
psim_read_register(device_system(me), 0,
&core_argv, "r4", cooked_transfer);
psim_read_register(device_system(me), 0,
&core_envp, "r5", cooked_transfer);
psim_read_register(device_system(me), 0,
&core_aux, "r6", cooked_transfer);
/* extract arguments from registers */
device_error(me, "Unfinished procedure create_ppc_aix_stack_frame\n");
}
psim_stack(psim *system,
char **argv,
char **envp)
{
/* pass the stack device the argv/envp and let it work out what to
do with it */
device *stack_device = tree_find_device(system->devices,
"/openprom/init/stack");
if (stack_device != (device*)0) {
unsigned_word stack_pointer;
ASSERT (psim_read_register(system, 0, &stack_pointer, "sp",
cooked_transfer) > 0);
device_ioctl(stack_device,
NULL, /*cpu*/
0, /*cia*/
device_ioctl_create_stack,
stack_pointer,
argv,
envp);
}
}
