1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
5  * Copyright (c) 2001-2012 Mitsuru IWASAKI <iwasaki@jp.freebsd.org>
7  * Copyright (c) 2008-2012 Jung-uk Kim <jkim@FreeBSD.org>
38 #include <sys/smp.h>
57 #ifdef SMP
58 #include <machine/smp.h>
70 CTASSERT(sizeof(wakecode) < PAGE_SIZE - 1024);
76 #ifdef SMP
85 #ifdef SMP
92 #define	WAKECODE_FIXUP(offset, type, val)	do {	\  argument
94 	addr = (type *)(sc->acpi_wakeaddr + (offset));	\
106 #ifdef SMP
111 	int		vector = (sc->acpi_wakephys >> 12) & 0xff;  in acpi_wakeup_ap()
115 	pcb = &susppcbs[cpu]->sp_pcb;  in acpi_wakeup_ap()
117 	WAKECODE_FIXUP(wakeup_gdt, uint16_t, pcb->pcb_gdt.rd_limit);  in acpi_wakeup_ap()
118 	WAKECODE_FIXUP(wakeup_gdt + 2, uint64_t, pcb->pcb_gdt.rd_base);  in acpi_wakeup_ap()
148 		/* save the current value of the warm-start vector */  in acpi_wakeup_cpus()
155 		*((volatile u_short *)WARMBOOT_SEG) = sc->acpi_wakephys >> 4;  in acpi_wakeup_cpus()
157 		outb(CMOS_DATA, BIOS_WARM);	/* 'warm-start' */  in acpi_wakeup_cpus()
190 	if (sc->acpi_wakeaddr == 0ul)  in acpi_sleep_machdep()
191 		return (-1);	/* couldn't alloc wake memory */  in acpi_sleep_machdep()
193 #ifdef SMP  in acpi_sleep_machdep()
201 	AcpiSetFirmwareWakingVector(sc->acpi_wakephys, 0);  in acpi_sleep_machdep()
208 	pcb = &susppcbs[0]->sp_pcb;  in acpi_sleep_machdep()
210 		fpususpend(susppcbs[0]->sp_fpususpend);  in acpi_sleep_machdep()
211 #ifdef SMP  in acpi_sleep_machdep()
213 			device_printf(sc->acpi_dev, "Failed to suspend APs\n");  in acpi_sleep_machdep()
222 			pc->pc_ibpb_set = 0;  in acpi_sleep_machdep()
231 		WAKECODE_FIXUP(wakeup_gdt, uint16_t, pcb->pcb_gdt.rd_limit);  in acpi_sleep_machdep()
232 		WAKECODE_FIXUP(wakeup_gdt + 2, uint64_t, pcb->pcb_gdt.rd_base);  in acpi_sleep_machdep()
235 		if (state == ACPI_STATE_S4 && sc->acpi_s4bios)  in acpi_sleep_machdep()
240 			device_printf(sc->acpi_dev,  in acpi_sleep_machdep()
241 			    "AcpiEnterSleepState failed - %s\n",  in acpi_sleep_machdep()
253 		 * Re-initialize console hardware as soon as possible.  in acpi_sleep_machdep()
258 		fpuresume(susppcbs[0]->sp_fpususpend);  in acpi_sleep_machdep()
269 	if (sleep_result == -1)  in acpi_wakeup_machdep()
281 #ifdef SMP  in acpi_wakeup_machdep()
287 #ifdef SMP  in acpi_wakeup_machdep()
293 		 * Re-read cpu_stdext_feature3, which was zeroed-out  in acpi_wakeup_machdep()
317 		    mem_range_softc.mr_op->reinit != NULL)  in acpi_wakeup_machdep()
318 			mem_range_softc.mr_op->reinit(&mem_range_softc);  in acpi_wakeup_machdep()
337 	 * low 1 MB region, excluding real mode IVT (0-0x3ff), BDA  in acpi_alloc_wakeup_handler()
338 	 * (0x400-0x4ff), EBDA (less than 128KB, below 0xa0000, must  in acpi_alloc_wakeup_handler()
349 	for (i = 0; i < ACPI_WAKEPT_PAGES - (la57 ? 0 : 1); i++) {  in acpi_alloc_wakeup_handler()
362 		susppcbs[i]->sp_fpususpend = alloc_fpusave(M_WAITOK);  in acpi_alloc_wakeup_handler()
390 	sc->acpi_wakeaddr = (vm_offset_t)wakeaddr;  in acpi_install_wakeup_handler()
391 	sc->acpi_wakephys = vtophys(wakeaddr);  in acpi_install_wakeup_handler()
410 	bcopy(wakecode, (void *)sc->acpi_wakeaddr, sizeof(wakecode));  in acpi_install_wakeup_handler()
414 	    sc->acpi_wakephys + bootgdt);  in acpi_install_wakeup_handler()
416 	    sc->acpi_wakephys + wakeup_32);  in acpi_install_wakeup_handler()
418 	    sc->acpi_wakephys + wakeup_64);  in acpi_install_wakeup_handler()
426 		bcopy(kernel_pmap->pm_pmltop, pt5, PAGE_SIZE);  in acpi_install_wakeup_handler()
430 		bcopy(kernel_pmap->pm_pmltop, pt4, PAGE_SIZE);  in acpi_install_wakeup_handler()
463 		device_printf(sc->acpi_dev, "wakeup code va %#jx pa %#jx\n",  in acpi_install_wakeup_handler()
464 		    (uintmax_t)sc->acpi_wakeaddr, (uintmax_t)sc->acpi_wakephys);  in acpi_install_wakeup_handler()