/* load program into simulated state */
void
sim_load_prog(char *fname, /* program to load */
int argc, char **argv, /* program arguments */
char **envp) /* program environment */
{
/* load program text and data, set up environment, memory, and regs */
ld_load_prog(fname, argc, argv, envp, ®s, mem, TRUE);
/* initialize the DLite debugger */
dlite_init(md_reg_obj, dlite_mem_obj, cheetah_mstate_obj);
/* initialize libcheetah */
cheetah_init(lib_argc, lib_argv);
}
void
sparc64_init(caddr_t mdp, u_long o1, u_long o2, u_long o3, ofw_vec_t *vec)
{
char *env;
struct pcpu *pc;
vm_offset_t end;
vm_offset_t va;
caddr_t kmdp;
phandle_t root;
u_int cpu_impl;
end = 0;
kmdp = NULL;
/*
* Find out what kind of CPU we have first, for anything that changes
* behaviour.
*/
cpu_impl = VER_IMPL(rdpr(ver));
/*
* Do CPU-specific initialization.
*/
if (cpu_impl >= CPU_IMPL_ULTRASPARCIII)
cheetah_init(cpu_impl);
else if (cpu_impl == CPU_IMPL_SPARC64V)
zeus_init(cpu_impl);
/*
* Clear (S)TICK timer (including NPT).
*/
tick_clear(cpu_impl);
/*
* UltraSparc II[e,i] based systems come up with the tick interrupt
* enabled and a handler that resets the tick counter, causing DELAY()
* to not work properly when used early in boot.
* UltraSPARC III based systems come up with the system tick interrupt
* enabled, causing an interrupt storm on startup since they are not
* handled.
*/
tick_stop(cpu_impl);
/*
* Set up Open Firmware entry points.
*/
ofw_tba = rdpr(tba);
ofw_vec = (u_long)vec;
/*
* Parse metadata if present and fetch parameters. Must be before the
* console is inited so cninit gets the right value of boothowto.
*/
if (mdp != NULL) {
preload_metadata = mdp;
kmdp = preload_search_by_type("elf kernel");
if (kmdp != NULL) {
boothowto = MD_FETCH(kmdp, MODINFOMD_HOWTO, int);
kern_envp = MD_FETCH(kmdp, MODINFOMD_ENVP, char *);
end = MD_FETCH(kmdp, MODINFOMD_KERNEND, vm_offset_t);
kernel_tlb_slots = MD_FETCH(kmdp, MODINFOMD_DTLB_SLOTS,
int);
kernel_tlbs = (void *)preload_search_info(kmdp,
MODINFO_METADATA | MODINFOMD_DTLB);
}