int acpi_wakeup_machdep(struct acpi_softc *sc, int state, int sleep_result, int intr_enabled) { if (sleep_result == -1) return (sleep_result); if (!intr_enabled) { /* Wakeup MD procedures in interrupt disabled context */ if (sleep_result == 1) { pmap_init_pat(); initializecpu(); PCPU_SET(switchtime, 0); PCPU_SET(switchticks, ticks); #ifdef DEV_APIC lapic_xapic_mode(); #endif #ifdef SMP if (!CPU_EMPTY(&suspcpus)) acpi_wakeup_cpus(sc); #endif } #ifdef SMP if (!CPU_EMPTY(&suspcpus)) restart_cpus(suspcpus); #endif mca_resume(); #ifdef __amd64__ if (vmm_resume_p != NULL) vmm_resume_p(); #endif intr_resume(/*suspend_cancelled*/false); AcpiSetFirmwareWakingVector(0, 0); } else { /* Wakeup MD procedures in interrupt enabled context */ if (sleep_result == 1 && mem_range_softc.mr_op != NULL && mem_range_softc.mr_op->reinit != NULL) mem_range_softc.mr_op->reinit(&mem_range_softc); } return (sleep_result); }
int acpi_wakeup_machdep(struct acpi_softc *sc, int state, int sleep_result, int intr_enabled) { if (sleep_result == -1) return (sleep_result); if (intr_enabled == 0) { /* Wakeup MD procedures in interrupt disabled context */ if (sleep_result == 1) { pmap_init_pat(); load_cr3(susppcbs[0]->pcb_cr3); initializecpu(); PCPU_SET(switchtime, 0); PCPU_SET(switchticks, ticks); #ifdef SMP if (!CPU_EMPTY(&suspcpus)) acpi_wakeup_cpus(sc, &suspcpus); #endif } #ifdef SMP if (!CPU_EMPTY(&suspcpus)) restart_cpus(suspcpus); #endif mca_resume(); intr_resume(); } else { /* Wakeup MD procedures in interrupt enabled context */ AcpiSetFirmwareWakingVector(0); if (sleep_result == 1 && mem_range_softc.mr_op != NULL && mem_range_softc.mr_op->reinit != NULL) mem_range_softc.mr_op->reinit(&mem_range_softc); } return (sleep_result); }
int acpi_sleep_machdep(struct acpi_softc *sc, int state) { ACPI_STATUS status; struct pmap *pm; int ret; uint32_t cr3; u_long ef; ret = -1; if (sc->acpi_wakeaddr == 0) return (ret); AcpiSetFirmwareWakingVector(sc->acpi_wakephys); ef = intr_disable(); intr_suspend(); /* * Temporarily switch to the kernel pmap because it provides an * identity mapping (setup at boot) for the low physical memory * region containing the wakeup code. */ pm = kernel_pmap; cr3 = rcr3(); #ifdef PAE load_cr3(vtophys(pm->pm_pdpt)); #else load_cr3(vtophys(pm->pm_pdir)); #endif ret_addr = 0; if (acpi_savecpu()) { /* Execute Sleep */ p_gdt = (struct region_descriptor *) (sc->acpi_wakeaddr + physical_gdt); p_gdt->rd_limit = saved_gdt.rd_limit; p_gdt->rd_base = vtophys(saved_gdt.rd_base); WAKECODE_FIXUP(physical_esp, uint32_t, vtophys(r_esp)); WAKECODE_FIXUP(previous_cr0, uint32_t, r_cr0); WAKECODE_FIXUP(previous_cr2, uint32_t, r_cr2); WAKECODE_FIXUP(previous_cr3, uint32_t, r_cr3); WAKECODE_FIXUP(previous_cr4, uint32_t, r_cr4); WAKECODE_FIXUP(resume_beep, uint32_t, acpi_resume_beep); WAKECODE_FIXUP(reset_video, uint32_t, acpi_reset_video); WAKECODE_FIXUP(previous_tr, uint16_t, r_tr); WAKECODE_BCOPY(previous_gdt, struct region_descriptor, saved_gdt); WAKECODE_FIXUP(previous_ldt, uint16_t, saved_ldt); WAKECODE_BCOPY(previous_idt, struct region_descriptor, saved_idt); WAKECODE_FIXUP(where_to_recover, void *, acpi_restorecpu); WAKECODE_FIXUP(previous_ds, uint16_t, r_ds); WAKECODE_FIXUP(previous_es, uint16_t, r_es); WAKECODE_FIXUP(previous_fs, uint16_t, r_fs); WAKECODE_FIXUP(previous_gs, uint16_t, r_gs); WAKECODE_FIXUP(previous_ss, uint16_t, r_ss); if (bootverbose) acpi_printcpu(); /* Call ACPICA to enter the desired sleep state */ if (state == ACPI_STATE_S4 && sc->acpi_s4bios) status = AcpiEnterSleepStateS4bios(); else status = AcpiEnterSleepState(state, acpi_sleep_flags); if (status != AE_OK) { device_printf(sc->acpi_dev, "AcpiEnterSleepState failed - %s\n", AcpiFormatException(status)); goto out; } for (;;) ia32_pause(); } else { pmap_init_pat(); PCPU_SET(switchtime, 0); PCPU_SET(switchticks, ticks); if (bootverbose) { acpi_savecpu(); acpi_printcpu(); } ret = 0; } out: load_cr3(cr3); mca_resume(); intr_resume(); intr_restore(ef); if (ret == 0 && mem_range_softc.mr_op != NULL && mem_range_softc.mr_op->reinit != NULL) mem_range_softc.mr_op->reinit(&mem_range_softc); /* If we beeped, turn it off after a delay. */ if (acpi_resume_beep) timeout(acpi_stop_beep, NULL, 3 * hz); return (ret); }