2 * Copyright (c) 1998 Doug Rabson
3 * Copyright (c) 2000 Mitsuru IWASAKI <iwasaki@FreeBSD.org>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 #include <sys/param.h>
31 #include <sys/endian.h>
46 #define BEGIN_COMMENT "/*\n"
47 #define END_COMMENT " */\n"
49 static void acpi_print_string(char *s, size_t length);
50 static void acpi_print_gas(struct ACPIgas *gas);
51 static int acpi_get_fadt_revision(struct FADTbody *fadt);
52 static void acpi_handle_fadt(struct ACPIsdt *fadt);
53 static void acpi_print_cpu(u_char cpu_id);
54 static void acpi_print_local_apic(u_char cpu_id, u_char apic_id,
56 static void acpi_print_io_apic(u_char apic_id, u_int32_t int_base,
58 static void acpi_print_mps_flags(u_int16_t flags);
59 static void acpi_print_intr(u_int32_t intr, u_int16_t mps_flags);
60 static void acpi_print_apic(struct MADT_APIC *mp);
61 static void acpi_handle_apic(struct ACPIsdt *sdp);
62 static void acpi_handle_hpet(struct ACPIsdt *sdp);
63 static void acpi_print_srat_cpu(uint32_t apic_id, uint32_t proximity_domain,
65 static void acpi_print_srat_memory(struct SRAT_memory *mp);
66 static void acpi_print_srat(struct SRATentry *srat);
67 static void acpi_handle_srat(struct ACPIsdt *sdp);
68 static void acpi_print_sdt(struct ACPIsdt *sdp);
69 static void acpi_print_fadt(struct ACPIsdt *sdp);
70 static void acpi_print_facs(struct FACSbody *facs);
71 static void acpi_print_dsdt(struct ACPIsdt *dsdp);
72 static struct ACPIsdt *acpi_map_sdt(vm_offset_t pa);
73 static void acpi_print_rsd_ptr(struct ACPIrsdp *rp);
74 static void acpi_handle_rsdt(struct ACPIsdt *rsdp);
76 /* Size of an address. 32-bit for ACPI 1.0, 64-bit for ACPI 2.0 and up. */
80 acpi_print_string(char *s, size_t length)
84 /* Trim trailing spaces and NULLs */
85 while (length > 0 && (s[length - 1] == ' ' || s[length - 1] == '\0'))
95 acpi_print_gas(struct ACPIgas *gas)
97 switch(gas->address_space_id) {
99 printf("0x%08lx:%u[%u] (Memory)", (u_long)gas->address,
100 gas->bit_offset, gas->bit_width);
103 printf("0x%02lx:%u[%u] (IO)", (u_long)gas->address,
104 gas->bit_offset, gas->bit_width);
107 printf("%x:%x+0x%x (PCI)", (uint16_t)(gas->address >> 32),
108 (uint16_t)((gas->address >> 16) & 0xffff),
109 (uint16_t)gas->address);
111 /* XXX How to handle these below? */
112 case ACPI_GAS_EMBEDDED:
113 printf("0x%x:%u[%u] (EC)", (uint16_t)gas->address,
114 gas->bit_offset, gas->bit_width);
117 printf("0x%x:%u[%u] (SMBus)", (uint16_t)gas->address,
118 gas->bit_offset, gas->bit_width);
122 printf("0x%08lx (?)", (u_long)gas->address);
127 /* The FADT revision indicates whether we use the DSDT or X_DSDT addresses. */
129 acpi_get_fadt_revision(struct FADTbody *fadt)
133 /* Set the FADT revision separately from the RSDP version. */
134 if (addr_size == 8) {
138 * A few systems (e.g., IBM T23) have an RSDP that claims
139 * revision 2 but the 64 bit addresses are invalid. If
140 * revision 2 and the 32 bit address is non-zero but the
141 * 32 and 64 bit versions don't match, prefer the 32 bit
142 * version for all subsequent tables.
144 if (fadt->facs_ptr != 0 &&
145 (fadt->x_facs_ptr & 0xffffffff) != fadt->facs_ptr)
149 return (fadt_revision);
153 acpi_handle_fadt(struct ACPIsdt *sdp)
155 struct ACPIsdt *dsdp;
156 struct FACSbody *facs;
157 struct FADTbody *fadt;
160 fadt = (struct FADTbody *)sdp->body;
161 acpi_print_fadt(sdp);
163 fadt_revision = acpi_get_fadt_revision(fadt);
164 if (fadt_revision == 1)
165 facs = (struct FACSbody *)acpi_map_sdt(fadt->facs_ptr);
167 facs = (struct FACSbody *)acpi_map_sdt(fadt->x_facs_ptr);
168 if (memcmp(facs->signature, "FACS", 4) != 0 || facs->len < 64)
169 errx(1, "FACS is corrupt");
170 acpi_print_facs(facs);
172 if (fadt_revision == 1)
173 dsdp = (struct ACPIsdt *)acpi_map_sdt(fadt->dsdt_ptr);
175 dsdp = (struct ACPIsdt *)acpi_map_sdt(fadt->x_dsdt_ptr);
176 if (acpi_checksum(dsdp, dsdp->len))
177 errx(1, "DSDT is corrupt");
178 acpi_print_dsdt(dsdp);
182 acpi_print_cpu(u_char cpu_id)
185 printf("\tACPI CPU=");
189 printf("%d\n", (u_int)cpu_id);
193 acpi_print_local_apic(u_char cpu_id, u_char apic_id, u_int32_t flags)
195 acpi_print_cpu(cpu_id);
197 if (flags & ACPI_MADT_APIC_LOCAL_FLAG_ENABLED)
202 printf("\tAPIC ID=%d\n", (u_int)apic_id);
206 acpi_print_io_apic(u_char apic_id, u_int32_t int_base, u_int64_t apic_addr)
208 printf("\tAPIC ID=%d\n", (u_int)apic_id);
209 printf("\tINT BASE=%d\n", int_base);
210 printf("\tADDR=0x%016jx\n", apic_addr);
214 acpi_print_mps_flags(u_int16_t flags)
217 printf("\tFlags={Polarity=");
218 switch (flags & MPS_INT_FLAG_POLARITY_MASK) {
219 case MPS_INT_FLAG_POLARITY_CONFORM:
220 printf("conforming");
222 case MPS_INT_FLAG_POLARITY_HIGH:
225 case MPS_INT_FLAG_POLARITY_LOW:
229 printf("0x%x", flags & MPS_INT_FLAG_POLARITY_MASK);
232 printf(", Trigger=");
233 switch (flags & MPS_INT_FLAG_TRIGGER_MASK) {
234 case MPS_INT_FLAG_TRIGGER_CONFORM:
235 printf("conforming");
237 case MPS_INT_FLAG_TRIGGER_EDGE:
240 case MPS_INT_FLAG_TRIGGER_LEVEL:
244 printf("0x%x", (flags & MPS_INT_FLAG_TRIGGER_MASK) >> 2);
250 acpi_print_intr(u_int32_t intr, u_int16_t mps_flags)
253 printf("\tINTR=%d\n", (u_int)intr);
254 acpi_print_mps_flags(mps_flags);
257 const char *apic_types[] = { "Local APIC", "IO APIC", "INT Override", "NMI",
258 "Local NMI", "Local APIC Override", "IO SAPIC",
259 "Local SAPIC", "Platform Interrupt" };
260 const char *platform_int_types[] = { "PMI", "INIT",
261 "Corrected Platform Error" };
264 acpi_print_apic(struct MADT_APIC *mp)
267 if (mp->type < sizeof(apic_types) / sizeof(apic_types[0]))
268 printf("\tType=%s\n", apic_types[mp->type]);
270 printf("\tType=%d (unknown)\n", mp->type);
272 case ACPI_MADT_APIC_TYPE_LOCAL_APIC:
273 acpi_print_local_apic(mp->body.local_apic.cpu_id,
274 mp->body.local_apic.apic_id, mp->body.local_apic.flags);
276 case ACPI_MADT_APIC_TYPE_IO_APIC:
277 acpi_print_io_apic(mp->body.io_apic.apic_id,
278 mp->body.io_apic.int_base,
279 mp->body.io_apic.apic_addr);
281 case ACPI_MADT_APIC_TYPE_INT_OVERRIDE:
282 printf("\tBUS=%d\n", (u_int)mp->body.int_override.bus);
283 printf("\tIRQ=%d\n", (u_int)mp->body.int_override.source);
284 acpi_print_intr(mp->body.int_override.intr,
285 mp->body.int_override.mps_flags);
287 case ACPI_MADT_APIC_TYPE_NMI:
288 acpi_print_intr(mp->body.nmi.intr, mp->body.nmi.mps_flags);
290 case ACPI_MADT_APIC_TYPE_LOCAL_NMI:
291 acpi_print_cpu(mp->body.local_nmi.cpu_id);
292 printf("\tLINT Pin=%d\n", mp->body.local_nmi.lintpin);
293 acpi_print_mps_flags(mp->body.local_nmi.mps_flags);
295 case ACPI_MADT_APIC_TYPE_LOCAL_OVERRIDE:
296 printf("\tLocal APIC ADDR=0x%016jx\n",
297 mp->body.local_apic_override.apic_addr);
299 case ACPI_MADT_APIC_TYPE_IO_SAPIC:
300 acpi_print_io_apic(mp->body.io_sapic.apic_id,
301 mp->body.io_sapic.int_base,
302 mp->body.io_sapic.apic_addr);
304 case ACPI_MADT_APIC_TYPE_LOCAL_SAPIC:
305 acpi_print_local_apic(mp->body.local_sapic.cpu_id,
306 mp->body.local_sapic.apic_id, mp->body.local_sapic.flags);
307 printf("\tAPIC EID=%d\n", (u_int)mp->body.local_sapic.apic_eid);
309 case ACPI_MADT_APIC_TYPE_INT_SRC:
310 printf("\tType=%s\n",
311 platform_int_types[mp->body.int_src.type]);
312 printf("\tCPU ID=%d\n", (u_int)mp->body.int_src.cpu_id);
313 printf("\tCPU EID=%d\n", (u_int)mp->body.int_src.cpu_id);
314 printf("\tSAPIC Vector=%d\n",
315 (u_int)mp->body.int_src.sapic_vector);
316 acpi_print_intr(mp->body.int_src.intr,
317 mp->body.int_src.mps_flags);
323 acpi_handle_apic(struct ACPIsdt *sdp)
325 struct MADTbody *madtp;
326 struct MADT_APIC *madt_apicp;
328 printf(BEGIN_COMMENT);
330 madtp = (struct MADTbody *) sdp->body;
331 printf("\tLocal APIC ADDR=0x%08x\n", madtp->lapic_addr);
333 if (madtp->flags & ACPI_APIC_FLAG_PCAT_COMPAT)
336 madt_apicp = (struct MADT_APIC *)madtp->body;
337 while (((uintptr_t)madt_apicp) - ((uintptr_t)sdp) < sdp->len) {
339 acpi_print_apic(madt_apicp);
340 madt_apicp = (struct MADT_APIC *) ((char *)madt_apicp +
347 acpi_handle_hpet(struct ACPIsdt *sdp)
349 struct HPETbody *hpetp;
351 printf(BEGIN_COMMENT);
353 hpetp = (struct HPETbody *) sdp->body;
354 printf("\tHPET Number=%d\n", hpetp->hpet_number);
356 acpi_print_gas(&hpetp->genaddr);
357 printf("\tHW Rev=0x%x\n", hpetp->block_hwrev);
358 printf("\tComparitors=%d\n", hpetp->block_comparitors);
359 printf("\tCounter Size=%d\n", hpetp->block_counter_size);
360 printf("\tLegacy IRQ routing capable={");
361 if (hpetp->block_legacy_capable)
365 printf("\tPCI Vendor ID=0x%04x\n", hpetp->block_pcivendor);
366 printf("\tMinimal Tick=%d\n", hpetp->clock_tick);
371 acpi_handle_ecdt(struct ACPIsdt *sdp)
373 struct ECDTbody *ecdt;
375 printf(BEGIN_COMMENT);
377 ecdt = (struct ECDTbody *) sdp->body;
378 printf("\tEC_CONTROL=");
379 acpi_print_gas(&ecdt->ec_control);
380 printf("\n\tEC_DATA=");
381 acpi_print_gas(&ecdt->ec_data);
382 printf("\n\tUID=%#x, ", ecdt->uid);
383 printf("GPE_BIT=%#x\n", ecdt->gpe_bit);
384 printf("\tEC_ID=%s\n", ecdt->ec_id);
389 acpi_handle_mcfg(struct ACPIsdt *sdp)
391 struct MCFGbody *mcfg;
394 printf(BEGIN_COMMENT);
396 mcfg = (struct MCFGbody *) sdp->body;
398 e = (sdp->len - ((caddr_t)&mcfg->s[0] - (caddr_t)sdp)) /
400 for (i = 0; i < e; i++, mcfg++) {
402 printf("\tBase Address=0x%016jx\n", mcfg->s[i].baseaddr);
403 printf("\tSegment Group=0x%04x\n", mcfg->s[i].seg_grp);
404 printf("\tStart Bus=%d\n", mcfg->s[i].start);
405 printf("\tEnd Bus=%d\n", mcfg->s[i].end);
411 acpi_print_srat_cpu(uint32_t apic_id, uint32_t proximity_domain,
416 if (flags & ACPI_SRAT_CPU_ENABLED)
421 printf("\tAPIC ID=%d\n", apic_id);
422 printf("\tProximity Domain=%d\n", proximity_domain);
426 acpi_print_srat_memory(struct SRAT_memory *mp)
430 if (mp->flags & ACPI_SRAT_MEM_ENABLED)
434 if (mp->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE)
435 printf(",HOT_PLUGGABLE");
436 if (mp->flags & ACPI_SRAT_MEM_NON_VOLATILE)
437 printf(",NON_VOLATILE");
439 printf("\tBase Address=0x%016jx\n", (uintmax_t)mp->base_address);
440 printf("\tLength=0x%016jx\n", (uintmax_t)mp->length);
441 printf("\tProximity Domain=%d\n", mp->proximity_domain);
444 const char *srat_types[] = { "CPU", "Memory", "X2APIC" };
447 acpi_print_srat(struct SRATentry *srat)
450 if (srat->type < sizeof(srat_types) / sizeof(srat_types[0]))
451 printf("\tType=%s\n", srat_types[srat->type]);
453 printf("\tType=%d (unknown)\n", srat->type);
454 switch (srat->type) {
455 case ACPI_SRAT_TYPE_CPU_AFFINITY:
456 acpi_print_srat_cpu(srat->body.cpu.apic_id,
457 srat->body.cpu.proximity_domain_hi[2] << 24 |
458 srat->body.cpu.proximity_domain_hi[1] << 16 |
459 srat->body.cpu.proximity_domain_hi[0] << 0 |
460 srat->body.cpu.proximity_domain_lo, srat->body.cpu.flags);
462 case ACPI_SRAT_TYPE_MEMORY_AFFINITY:
463 acpi_print_srat_memory(&srat->body.mem);
465 case ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY:
466 acpi_print_srat_cpu(srat->body.x2apic.apic_id,
467 srat->body.x2apic.proximity_domain,
468 srat->body.x2apic.flags);
474 acpi_handle_srat(struct ACPIsdt *sdp)
476 struct SRATbody *sratp;
477 struct SRATentry *entry;
479 printf(BEGIN_COMMENT);
481 sratp = (struct SRATbody *)sdp->body;
482 printf("\tTable Revision=%d\n", sratp->table_revision);
484 while (((uintptr_t)entry) - ((uintptr_t)sdp) < sdp->len) {
486 acpi_print_srat(entry);
487 entry = (struct SRATentry *)((char *)entry + entry->len);
493 acpi_print_sdt(struct ACPIsdt *sdp)
496 acpi_print_string(sdp->signature, 4);
497 printf(": Length=%d, Revision=%d, Checksum=%d,\n",
498 sdp->len, sdp->rev, sdp->check);
500 acpi_print_string(sdp->oemid, 6);
501 printf(", OEM Table ID=");
502 acpi_print_string(sdp->oemtblid, 8);
503 printf(", OEM Revision=0x%x,\n", sdp->oemrev);
504 printf("\tCreator ID=");
505 acpi_print_string(sdp->creator, 4);
506 printf(", Creator Revision=0x%x\n", sdp->crerev);
510 acpi_print_rsdt(struct ACPIsdt *rsdp)
515 printf(BEGIN_COMMENT);
516 acpi_print_sdt(rsdp);
517 entries = (rsdp->len - SIZEOF_SDT_HDR) / addr_size;
518 printf("\tEntries={ ");
519 for (i = 0; i < entries; i++) {
524 addr = le32dec((char*)rsdp->body + i * addr_size);
527 addr = le64dec((char*)rsdp->body + i * addr_size);
533 printf("0x%08lx", addr);
539 static const char *acpi_pm_profiles[] = {
540 "Unspecified", "Desktop", "Mobile", "Workstation",
541 "Enterprise Server", "SOHO Server", "Appliance PC"
545 acpi_print_fadt(struct ACPIsdt *sdp)
547 struct FADTbody *fadt;
551 fadt = (struct FADTbody *)sdp->body;
552 printf(BEGIN_COMMENT);
554 printf(" \tFACS=0x%x, DSDT=0x%x\n", fadt->facs_ptr,
556 printf("\tINT_MODEL=%s\n", fadt->int_model ? "APIC" : "PIC");
557 if (fadt->pm_profile >= sizeof(acpi_pm_profiles) / sizeof(char *))
560 pm = acpi_pm_profiles[fadt->pm_profile];
561 printf("\tPreferred_PM_Profile=%s (%d)\n", pm, fadt->pm_profile);
562 printf("\tSCI_INT=%d\n", fadt->sci_int);
563 printf("\tSMI_CMD=0x%x, ", fadt->smi_cmd);
564 printf("ACPI_ENABLE=0x%x, ", fadt->acpi_enable);
565 printf("ACPI_DISABLE=0x%x, ", fadt->acpi_disable);
566 printf("S4BIOS_REQ=0x%x\n", fadt->s4biosreq);
567 printf("\tPSTATE_CNT=0x%x\n", fadt->pstate_cnt);
568 printf("\tPM1a_EVT_BLK=0x%x-0x%x\n",
570 fadt->pm1a_evt_blk + fadt->pm1_evt_len - 1);
571 if (fadt->pm1b_evt_blk != 0)
572 printf("\tPM1b_EVT_BLK=0x%x-0x%x\n",
574 fadt->pm1b_evt_blk + fadt->pm1_evt_len - 1);
575 printf("\tPM1a_CNT_BLK=0x%x-0x%x\n",
577 fadt->pm1a_cnt_blk + fadt->pm1_cnt_len - 1);
578 if (fadt->pm1b_cnt_blk != 0)
579 printf("\tPM1b_CNT_BLK=0x%x-0x%x\n",
581 fadt->pm1b_cnt_blk + fadt->pm1_cnt_len - 1);
582 if (fadt->pm2_cnt_blk != 0)
583 printf("\tPM2_CNT_BLK=0x%x-0x%x\n",
585 fadt->pm2_cnt_blk + fadt->pm2_cnt_len - 1);
586 printf("\tPM_TMR_BLK=0x%x-0x%x\n",
588 fadt->pm_tmr_blk + fadt->pm_tmr_len - 1);
589 if (fadt->gpe0_blk != 0)
590 printf("\tGPE0_BLK=0x%x-0x%x\n",
592 fadt->gpe0_blk + fadt->gpe0_len - 1);
593 if (fadt->gpe1_blk != 0)
594 printf("\tGPE1_BLK=0x%x-0x%x, GPE1_BASE=%d\n",
596 fadt->gpe1_blk + fadt->gpe1_len - 1,
598 if (fadt->cst_cnt != 0)
599 printf("\tCST_CNT=0x%x\n", fadt->cst_cnt);
600 printf("\tP_LVL2_LAT=%d us, P_LVL3_LAT=%d us\n",
601 fadt->p_lvl2_lat, fadt->p_lvl3_lat);
602 printf("\tFLUSH_SIZE=%d, FLUSH_STRIDE=%d\n",
603 fadt->flush_size, fadt->flush_stride);
604 printf("\tDUTY_OFFSET=%d, DUTY_WIDTH=%d\n",
605 fadt->duty_off, fadt->duty_width);
606 printf("\tDAY_ALRM=%d, MON_ALRM=%d, CENTURY=%d\n",
607 fadt->day_alrm, fadt->mon_alrm, fadt->century);
609 #define PRINTFLAG(var, flag) do { \
610 if ((var) & FADT_FLAG_## flag) { \
611 printf("%c%s", sep, #flag); sep = ','; \
615 printf("\tIAPC_BOOT_ARCH=");
617 PRINTFLAG(fadt->iapc_boot_arch, LEGACY_DEV);
618 PRINTFLAG(fadt->iapc_boot_arch, 8042);
619 if (fadt->iapc_boot_arch != 0)
625 PRINTFLAG(fadt->flags, WBINVD);
626 PRINTFLAG(fadt->flags, WBINVD_FLUSH);
627 PRINTFLAG(fadt->flags, PROC_C1);
628 PRINTFLAG(fadt->flags, P_LVL2_UP);
629 PRINTFLAG(fadt->flags, PWR_BUTTON);
630 PRINTFLAG(fadt->flags, SLP_BUTTON);
631 PRINTFLAG(fadt->flags, FIX_RTC);
632 PRINTFLAG(fadt->flags, RTC_S4);
633 PRINTFLAG(fadt->flags, TMR_VAL_EXT);
634 PRINTFLAG(fadt->flags, DCK_CAP);
635 PRINTFLAG(fadt->flags, RESET_REG);
636 PRINTFLAG(fadt->flags, SEALED_CASE);
637 PRINTFLAG(fadt->flags, HEADLESS);
638 PRINTFLAG(fadt->flags, CPU_SW_SLP);
639 if (fadt->flags != 0)
644 if (fadt->flags & FADT_FLAG_RESET_REG) {
645 printf("\tRESET_REG=");
646 acpi_print_gas(&fadt->reset_reg);
647 printf(", RESET_VALUE=%#x\n", fadt->reset_value);
649 if (acpi_get_fadt_revision(fadt) > 1) {
650 printf("\tX_FACS=0x%08lx, ", (u_long)fadt->x_facs_ptr);
651 printf("X_DSDT=0x%08lx\n", (u_long)fadt->x_dsdt_ptr);
652 printf("\tX_PM1a_EVT_BLK=");
653 acpi_print_gas(&fadt->x_pm1a_evt_blk);
654 if (fadt->x_pm1b_evt_blk.address != 0) {
655 printf("\n\tX_PM1b_EVT_BLK=");
656 acpi_print_gas(&fadt->x_pm1b_evt_blk);
658 printf("\n\tX_PM1a_CNT_BLK=");
659 acpi_print_gas(&fadt->x_pm1a_cnt_blk);
660 if (fadt->x_pm1b_cnt_blk.address != 0) {
661 printf("\n\tX_PM1b_CNT_BLK=");
662 acpi_print_gas(&fadt->x_pm1b_cnt_blk);
664 if (fadt->x_pm1b_cnt_blk.address != 0) {
665 printf("\n\tX_PM2_CNT_BLK=");
666 acpi_print_gas(&fadt->x_pm2_cnt_blk);
668 printf("\n\tX_PM_TMR_BLK=");
669 acpi_print_gas(&fadt->x_pm_tmr_blk);
670 if (fadt->x_gpe0_blk.address != 0) {
671 printf("\n\tX_GPE0_BLK=");
672 acpi_print_gas(&fadt->x_gpe0_blk);
674 if (fadt->x_gpe1_blk.address != 0) {
675 printf("\n\tX_GPE1_BLK=");
676 acpi_print_gas(&fadt->x_gpe1_blk);
685 acpi_print_facs(struct FACSbody *facs)
687 printf(BEGIN_COMMENT);
688 printf(" FACS:\tLength=%u, ", facs->len);
689 printf("HwSig=0x%08x, ", facs->hw_sig);
690 printf("Firm_Wake_Vec=0x%08x\n", facs->firm_wake_vec);
692 printf("\tGlobal_Lock=");
693 if (facs->global_lock != 0) {
694 if (facs->global_lock & FACS_FLAG_LOCK_PENDING)
696 if (facs->global_lock & FACS_FLAG_LOCK_OWNED)
702 if (facs->flags & FACS_FLAG_S4BIOS_F)
706 if (facs->x_firm_wake_vec != 0) {
707 printf("\tX_Firm_Wake_Vec=%08lx\n",
708 (u_long)facs->x_firm_wake_vec);
710 printf("\tVersion=%u\n", facs->version);
716 acpi_print_dsdt(struct ACPIsdt *dsdp)
718 printf(BEGIN_COMMENT);
719 acpi_print_sdt(dsdp);
724 acpi_checksum(void *p, size_t length)
737 static struct ACPIsdt *
738 acpi_map_sdt(vm_offset_t pa)
742 sp = acpi_map_physical(pa, sizeof(struct ACPIsdt));
743 sp = acpi_map_physical(pa, sp->len);
748 acpi_print_rsd_ptr(struct ACPIrsdp *rp)
750 printf(BEGIN_COMMENT);
751 printf(" RSD PTR: OEM=");
752 acpi_print_string(rp->oem, 6);
753 printf(", ACPI_Rev=%s (%d)\n", rp->revision < 2 ? "1.0x" : "2.0x",
755 if (rp->revision < 2) {
756 printf("\tRSDT=0x%08x, cksum=%u\n", rp->rsdt_addr, rp->sum);
758 printf("\tXSDT=0x%08lx, length=%u, cksum=%u\n",
759 (u_long)rp->xsdt_addr, rp->length, rp->xsum);
765 acpi_handle_rsdt(struct ACPIsdt *rsdp)
771 acpi_print_rsdt(rsdp);
772 entries = (rsdp->len - SIZEOF_SDT_HDR) / addr_size;
773 for (i = 0; i < entries; i++) {
776 addr = le32dec((char*)rsdp->body + i * addr_size);
779 addr = le64dec((char*)rsdp->body + i * addr_size);
785 sdp = (struct ACPIsdt *)acpi_map_sdt(addr);
786 if (acpi_checksum(sdp, sdp->len)) {
787 warnx("RSDT entry %d (sig %.4s) is corrupt", i,
791 if (!memcmp(sdp->signature, "FACP", 4))
792 acpi_handle_fadt(sdp);
793 else if (!memcmp(sdp->signature, "APIC", 4))
794 acpi_handle_apic(sdp);
795 else if (!memcmp(sdp->signature, "HPET", 4))
796 acpi_handle_hpet(sdp);
797 else if (!memcmp(sdp->signature, "ECDT", 4))
798 acpi_handle_ecdt(sdp);
799 else if (!memcmp(sdp->signature, "MCFG", 4))
800 acpi_handle_mcfg(sdp);
801 else if (!memcmp(sdp->signature, "SRAT", 4))
802 acpi_handle_srat(sdp);
804 printf(BEGIN_COMMENT);
812 sdt_load_devmem(void)
815 struct ACPIsdt *rsdp;
817 rp = acpi_find_rsd_ptr();
819 errx(1, "Can't find ACPI information");
822 acpi_print_rsd_ptr(rp);
823 if (rp->revision < 2) {
824 rsdp = (struct ACPIsdt *)acpi_map_sdt(rp->rsdt_addr);
825 if (memcmp(rsdp->signature, "RSDT", 4) != 0 ||
826 acpi_checksum(rsdp, rsdp->len) != 0)
827 errx(1, "RSDT is corrupted");
828 addr_size = sizeof(uint32_t);
830 rsdp = (struct ACPIsdt *)acpi_map_sdt(rp->xsdt_addr);
831 if (memcmp(rsdp->signature, "XSDT", 4) != 0 ||
832 acpi_checksum(rsdp, rsdp->len) != 0)
833 errx(1, "XSDT is corrupted");
834 addr_size = sizeof(uint64_t);
839 /* Write the DSDT to a file, concatenating any SSDTs (if present). */
841 write_dsdt(int fd, struct ACPIsdt *rsdt, struct ACPIsdt *dsdt)
844 struct ACPIsdt *ssdt;
847 /* Create a new checksum to account for the DSDT and any SSDTs. */
851 sum = acpi_checksum(dsdt->body, dsdt->len - SIZEOF_SDT_HDR);
852 ssdt = sdt_from_rsdt(rsdt, "SSDT", NULL);
853 while (ssdt != NULL) {
854 sdt.len += ssdt->len - SIZEOF_SDT_HDR;
855 sum += acpi_checksum(ssdt->body,
856 ssdt->len - SIZEOF_SDT_HDR);
857 ssdt = sdt_from_rsdt(rsdt, "SSDT", ssdt);
859 sum += acpi_checksum(&sdt, SIZEOF_SDT_HDR);
863 /* Write out the DSDT header and body. */
864 write(fd, &sdt, SIZEOF_SDT_HDR);
865 write(fd, dsdt->body, dsdt->len - SIZEOF_SDT_HDR);
867 /* Write out any SSDTs (if present.) */
869 ssdt = sdt_from_rsdt(rsdt, "SSDT", NULL);
870 while (ssdt != NULL) {
871 write(fd, ssdt->body, ssdt->len - SIZEOF_SDT_HDR);
872 ssdt = sdt_from_rsdt(rsdt, "SSDT", ssdt);
879 dsdt_save_file(char *outfile, struct ACPIsdt *rsdt, struct ACPIsdt *dsdp)
884 assert(outfile != NULL);
885 mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
886 fd = open(outfile, O_WRONLY | O_CREAT | O_TRUNC, mode);
888 perror("dsdt_save_file");
891 write_dsdt(fd, rsdt, dsdp);
896 aml_disassemble(struct ACPIsdt *rsdt, struct ACPIsdt *dsdp)
898 char buf[PATH_MAX], tmpstr[PATH_MAX];
905 tmpdir = getenv("TMPDIR");
908 strncpy(tmpstr, tmpdir, sizeof(tmpstr));
909 strncat(tmpstr, "/acpidump.", sizeof(tmpstr) - strlen(tmpdir));
910 if (realpath(tmpstr, buf) == NULL) {
911 perror("realpath tmp file");
914 strncpy(tmpstr, buf, sizeof(tmpstr));
916 tmpext = tmpstr + len;
917 strncpy(tmpext, "XXXXXX", sizeof(tmpstr) - len);
918 fd = mkstemp(tmpstr);
920 perror("iasl tmp file");
923 write_dsdt(fd, rsdt, dsdp);
926 /* Run iasl -d on the temp file */
928 close(STDOUT_FILENO);
930 close(STDERR_FILENO);
931 execl("/usr/sbin/iasl", "iasl", "-d", tmpstr, NULL);
938 /* Dump iasl's output to stdout */
939 strncpy(tmpext, "dsl", sizeof(tmpstr) - len);
940 fp = fopen(tmpstr, "r");
943 perror("iasl tmp file (read)");
946 while ((len = fread(buf, 1, sizeof(buf), fp)) > 0)
947 fwrite(buf, 1, len, stdout);
952 sdt_print_all(struct ACPIsdt *rsdp)
954 acpi_handle_rsdt(rsdp);
957 /* Fetch a table matching the given signature via the RSDT. */
959 sdt_from_rsdt(struct ACPIsdt *rsdt, const char *sig, struct ACPIsdt *last)
965 entries = (rsdt->len - SIZEOF_SDT_HDR) / addr_size;
966 for (i = 0; i < entries; i++) {
969 addr = le32dec((char*)rsdt->body + i * addr_size);
972 addr = le64dec((char*)rsdt->body + i * addr_size);
977 sdt = (struct ACPIsdt *)acpi_map_sdt(addr);
983 if (memcmp(sdt->signature, sig, strlen(sig)))
985 if (acpi_checksum(sdt, sdt->len))
986 errx(1, "RSDT entry %d is corrupt", i);
994 dsdt_from_fadt(struct FADTbody *fadt)
998 /* Use the DSDT address if it is version 1, otherwise use X_DSDT. */
999 if (acpi_get_fadt_revision(fadt) == 1)
1000 sdt = (struct ACPIsdt *)acpi_map_sdt(fadt->dsdt_ptr);
1002 sdt = (struct ACPIsdt *)acpi_map_sdt(fadt->x_dsdt_ptr);
1003 if (acpi_checksum(sdt, sdt->len))
1004 errx(1, "DSDT is corrupt\n");