/* u2_cm_rind(): open and produce a new jump buffer.
*/
void*
u2_cm_rind()
{
u2_ray kit_r = u2_rl_ralloc(u2_Wire, c3_wiseof(u2_loom_kite));
u2_kite_par_r(kit_r) = u2_wire_kit_r(u2_Wire);
u2_wire_kit_r(u2_Wire) = kit_r;
// Save the old stack and actions.
//
u2_kite_tax(kit_r) = u2k(u2_wire_tax(u2_Wire));
u2_kite_don(kit_r) = u2k(u2_wrac_at(u2_Wire, duz.don));
return u2_at_cord(u2_kite_buf_r(kit_r), c3_wiseof(jmp_buf));
}
/* u2_wr_init():
**
** Install an empty wire within `hat_r` and `mat_r` in the loom,
** with memory model `hip`.
**
** Returns ray to wire, which always equalls the passed `mat_r`.
*/
u2_ray
u2_wr_init(c3_m hip_m,
u2_ray hat_r,
u2_ray mat_r)
{
u2_ray wir_r;
wir_r = u2_rl_init(hip_m, hat_r, mat_r);
u2_rail_hat_r(wir_r) += (c3_wiseof(u2_loom_wire) - c3_wiseof(u2_loom_rail));
#if 1
u2_wire_bas_r(wir_r) = 0;
#endif
u2_wire_kit_r(wir_r) = 0;
u2_cs_init(u2_wire_des_r(wir_r));
/* Trace stack, garbage.
*/
{
u2_wire_tax(wir_r) = u2_nul;
u2_wire_lan(wir_r) = u2_yes;
}
/* Permanent basket = 1/16 of address space.
*/
{
u2_ray bas_r;
bas_r = u2_rl_leap_part(wir_r, c3__sand, 1, 16, 0);
u2_wire_bas_r(wir_r) = bas_r;
#if 0
fprintf(stderr, "bas_r %d, hat %d, mat %d, cap %d, rut %d\n",
bas_r >> LoomPageWords,
u2_rail_hat_r(bas_r) >> LoomPageWords,
u2_rail_mat_r(bas_r) >> LoomPageWords,
u2_rail_cap_r(bas_r) >> LoomPageWords,
u2_rail_rut_r(bas_r) >> LoomPageWords);
fprintf(stderr, "wir_r %d, hat %d, mat %d, cap %d, rut %d\n",
wir_r >> LoomPageWords,
u2_rail_hat_r(wir_r) >> LoomPageWords,
u2_rail_mat_r(wir_r) >> LoomPageWords,
u2_rail_cap_r(wir_r) >> LoomPageWords,
u2_rail_rut_r(wir_r) >> LoomPageWords);
#endif
// u2_ba_init(wir_r, 0);
}
#if 1
/* Host control.
*/
{
u2_ho_push();
}
#endif
/* Basic performance tracking.
*/
{
u2_wire_bex_r(wir_r) = u2_rl_ralloc(wir_r, c3_wiseof(u2_loom_benx));
u2_bx_boot(wir_r);
}
/* New performance tracking.
*/
{
u2_wire_rac_r(wir_r) = u2_tx_init(wir_r);
}
/* Global namespace.
*/
{
u2_wire_hev_r(wir_r) = u2_hv_init(wir_r);
}
/* OS kernel.
*/
{
u2_wire_arv_r(wir_r) = u2_rl_ralloc(wir_r, c3_wiseof(u2_reck));
}
return wir_r;
}