Exemplo n.º 1
0
/* 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, &regs, 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);
}
Exemplo n.º 2
0
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);
		}