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-rw-r--r--hw/acpi.c478
1 files changed, 0 insertions, 478 deletions
diff --git a/hw/acpi.c b/hw/acpi.c
deleted file mode 100644
index f7950be267..0000000000
--- a/hw/acpi.c
+++ /dev/null
@@ -1,478 +0,0 @@
-/*
- * ACPI implementation
- *
- * Copyright (c) 2006 Fabrice Bellard
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License version 2 as published by the Free Software Foundation.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, see <http://www.gnu.org/licenses/>
- *
- * Contributions after 2012-01-13 are licensed under the terms of the
- * GNU GPL, version 2 or (at your option) any later version.
- */
-#include "sysemu.h"
-#include "hw.h"
-#include "pc.h"
-#include "acpi.h"
-#include "monitor.h"
-
-struct acpi_table_header {
- uint16_t _length; /* our length, not actual part of the hdr */
- /* XXX why we have 2 length fields here? */
- char sig[4]; /* ACPI signature (4 ASCII characters) */
- uint32_t length; /* Length of table, in bytes, including header */
- uint8_t revision; /* ACPI Specification minor version # */
- uint8_t checksum; /* To make sum of entire table == 0 */
- char oem_id[6]; /* OEM identification */
- char oem_table_id[8]; /* OEM table identification */
- uint32_t oem_revision; /* OEM revision number */
- char asl_compiler_id[4]; /* ASL compiler vendor ID */
- uint32_t asl_compiler_revision; /* ASL compiler revision number */
-} QEMU_PACKED;
-
-#define ACPI_TABLE_HDR_SIZE sizeof(struct acpi_table_header)
-#define ACPI_TABLE_PFX_SIZE sizeof(uint16_t) /* size of the extra prefix */
-
-static const char dfl_hdr[ACPI_TABLE_HDR_SIZE] =
- "\0\0" /* fake _length (2) */
- "QEMU\0\0\0\0\1\0" /* sig (4), len(4), revno (1), csum (1) */
- "QEMUQEQEMUQEMU\1\0\0\0" /* OEM id (6), table (8), revno (4) */
- "QEMU\1\0\0\0" /* ASL compiler ID (4), version (4) */
- ;
-
-char *acpi_tables;
-size_t acpi_tables_len;
-
-static int acpi_checksum(const uint8_t *data, int len)
-{
- int sum, i;
- sum = 0;
- for (i = 0; i < len; i++) {
- sum += data[i];
- }
- return (-sum) & 0xff;
-}
-
-/* like strncpy() but zero-fills the tail of destination */
-static void strzcpy(char *dst, const char *src, size_t size)
-{
- size_t len = strlen(src);
- if (len >= size) {
- len = size;
- } else {
- memset(dst + len, 0, size - len);
- }
- memcpy(dst, src, len);
-}
-
-/* XXX fixme: this function uses obsolete argument parsing interface */
-int acpi_table_add(const char *t)
-{
- char buf[1024], *p, *f;
- unsigned long val;
- size_t len, start, allen;
- bool has_header;
- int changed;
- int r;
- struct acpi_table_header hdr;
-
- r = 0;
- r |= get_param_value(buf, sizeof(buf), "data", t) ? 1 : 0;
- r |= get_param_value(buf, sizeof(buf), "file", t) ? 2 : 0;
- switch (r) {
- case 0:
- buf[0] = '\0';
- /* fallthrough for default behavior */
- case 1:
- has_header = false;
- break;
- case 2:
- has_header = true;
- break;
- default:
- fprintf(stderr, "acpitable: both data and file are specified\n");
- return -1;
- }
-
- if (!acpi_tables) {
- allen = sizeof(uint16_t);
- acpi_tables = g_malloc0(allen);
- } else {
- allen = acpi_tables_len;
- }
-
- start = allen;
- acpi_tables = g_realloc(acpi_tables, start + ACPI_TABLE_HDR_SIZE);
- allen += has_header ? ACPI_TABLE_PFX_SIZE : ACPI_TABLE_HDR_SIZE;
-
- /* now read in the data files, reallocating buffer as needed */
-
- for (f = strtok(buf, ":"); f; f = strtok(NULL, ":")) {
- int fd = open(f, O_RDONLY);
-
- if (fd < 0) {
- fprintf(stderr, "can't open file %s: %s\n", f, strerror(errno));
- return -1;
- }
-
- for (;;) {
- char data[8192];
- r = read(fd, data, sizeof(data));
- if (r == 0) {
- break;
- } else if (r > 0) {
- acpi_tables = g_realloc(acpi_tables, allen + r);
- memcpy(acpi_tables + allen, data, r);
- allen += r;
- } else if (errno != EINTR) {
- fprintf(stderr, "can't read file %s: %s\n",
- f, strerror(errno));
- close(fd);
- return -1;
- }
- }
-
- close(fd);
- }
-
- /* now fill in the header fields */
-
- f = acpi_tables + start; /* start of the table */
- changed = 0;
-
- /* copy the header to temp place to align the fields */
- memcpy(&hdr, has_header ? f : dfl_hdr, ACPI_TABLE_HDR_SIZE);
-
- /* length of the table minus our prefix */
- len = allen - start - ACPI_TABLE_PFX_SIZE;
-
- hdr._length = cpu_to_le16(len);
-
- if (get_param_value(buf, sizeof(buf), "sig", t)) {
- strzcpy(hdr.sig, buf, sizeof(hdr.sig));
- ++changed;
- }
-
- /* length of the table including header, in bytes */
- if (has_header) {
- /* check if actual length is correct */
- val = le32_to_cpu(hdr.length);
- if (val != len) {
- fprintf(stderr,
- "warning: acpitable has wrong length,"
- " header says %lu, actual size %zu bytes\n",
- val, len);
- ++changed;
- }
- }
- /* we may avoid putting length here if has_header is true */
- hdr.length = cpu_to_le32(len);
-
- if (get_param_value(buf, sizeof(buf), "rev", t)) {
- val = strtoul(buf, &p, 0);
- if (val > 255 || *p) {
- fprintf(stderr, "acpitable: \"rev=%s\" is invalid\n", buf);
- return -1;
- }
- hdr.revision = (uint8_t)val;
- ++changed;
- }
-
- if (get_param_value(buf, sizeof(buf), "oem_id", t)) {
- strzcpy(hdr.oem_id, buf, sizeof(hdr.oem_id));
- ++changed;
- }
-
- if (get_param_value(buf, sizeof(buf), "oem_table_id", t)) {
- strzcpy(hdr.oem_table_id, buf, sizeof(hdr.oem_table_id));
- ++changed;
- }
-
- if (get_param_value(buf, sizeof(buf), "oem_rev", t)) {
- val = strtol(buf, &p, 0);
- if (*p) {
- fprintf(stderr, "acpitable: \"oem_rev=%s\" is invalid\n", buf);
- return -1;
- }
- hdr.oem_revision = cpu_to_le32(val);
- ++changed;
- }
-
- if (get_param_value(buf, sizeof(buf), "asl_compiler_id", t)) {
- strzcpy(hdr.asl_compiler_id, buf, sizeof(hdr.asl_compiler_id));
- ++changed;
- }
-
- if (get_param_value(buf, sizeof(buf), "asl_compiler_rev", t)) {
- val = strtol(buf, &p, 0);
- if (*p) {
- fprintf(stderr, "acpitable: \"%s=%s\" is invalid\n",
- "asl_compiler_rev", buf);
- return -1;
- }
- hdr.asl_compiler_revision = cpu_to_le32(val);
- ++changed;
- }
-
- if (!has_header && !changed) {
- fprintf(stderr, "warning: acpitable: no table headers are specified\n");
- }
-
-
- /* now calculate checksum of the table, complete with the header */
- /* we may as well leave checksum intact if has_header is true */
- /* alternatively there may be a way to set cksum to a given value */
- hdr.checksum = 0; /* for checksum calculation */
-
- /* put header back */
- memcpy(f, &hdr, sizeof(hdr));
-
- if (changed || !has_header || 1) {
- ((struct acpi_table_header *)f)->checksum =
- acpi_checksum((uint8_t *)f + ACPI_TABLE_PFX_SIZE, len);
- }
-
- /* increase number of tables */
- (*(uint16_t *)acpi_tables) =
- cpu_to_le32(le32_to_cpu(*(uint16_t *)acpi_tables) + 1);
-
- acpi_tables_len = allen;
- return 0;
-
-}
-
-static void acpi_notify_wakeup(Notifier *notifier, void *data)
-{
- ACPIREGS *ar = container_of(notifier, ACPIREGS, wakeup);
- WakeupReason *reason = data;
-
- switch (*reason) {
- case QEMU_WAKEUP_REASON_RTC:
- ar->pm1.evt.sts |=
- (ACPI_BITMASK_WAKE_STATUS | ACPI_BITMASK_RT_CLOCK_STATUS);
- break;
- case QEMU_WAKEUP_REASON_PMTIMER:
- ar->pm1.evt.sts |=
- (ACPI_BITMASK_WAKE_STATUS | ACPI_BITMASK_TIMER_STATUS);
- break;
- case QEMU_WAKEUP_REASON_OTHER:
- default:
- /* ACPI_BITMASK_WAKE_STATUS should be set on resume.
- Pretend that resume was caused by power button */
- ar->pm1.evt.sts |=
- (ACPI_BITMASK_WAKE_STATUS | ACPI_BITMASK_POWER_BUTTON_STATUS);
- break;
- }
-}
-
-/* ACPI PM1a EVT */
-uint16_t acpi_pm1_evt_get_sts(ACPIREGS *ar)
-{
- int64_t d = acpi_pm_tmr_get_clock();
- if (d >= ar->tmr.overflow_time) {
- ar->pm1.evt.sts |= ACPI_BITMASK_TIMER_STATUS;
- }
- return ar->pm1.evt.sts;
-}
-
-void acpi_pm1_evt_write_sts(ACPIREGS *ar, uint16_t val)
-{
- uint16_t pm1_sts = acpi_pm1_evt_get_sts(ar);
- if (pm1_sts & val & ACPI_BITMASK_TIMER_STATUS) {
- /* if TMRSTS is reset, then compute the new overflow time */
- acpi_pm_tmr_calc_overflow_time(ar);
- }
- ar->pm1.evt.sts &= ~val;
-}
-
-void acpi_pm1_evt_write_en(ACPIREGS *ar, uint16_t val)
-{
- ar->pm1.evt.en = val;
- qemu_system_wakeup_enable(QEMU_WAKEUP_REASON_RTC,
- val & ACPI_BITMASK_RT_CLOCK_ENABLE);
- qemu_system_wakeup_enable(QEMU_WAKEUP_REASON_PMTIMER,
- val & ACPI_BITMASK_TIMER_ENABLE);
-}
-
-void acpi_pm1_evt_power_down(ACPIREGS *ar)
-{
- if (ar->pm1.evt.en & ACPI_BITMASK_POWER_BUTTON_ENABLE) {
- ar->pm1.evt.sts |= ACPI_BITMASK_POWER_BUTTON_STATUS;
- ar->tmr.update_sci(ar);
- }
-}
-
-void acpi_pm1_evt_reset(ACPIREGS *ar)
-{
- ar->pm1.evt.sts = 0;
- ar->pm1.evt.en = 0;
- qemu_system_wakeup_enable(QEMU_WAKEUP_REASON_RTC, 0);
- qemu_system_wakeup_enable(QEMU_WAKEUP_REASON_PMTIMER, 0);
-}
-
-/* ACPI PM_TMR */
-void acpi_pm_tmr_update(ACPIREGS *ar, bool enable)
-{
- int64_t expire_time;
-
- /* schedule a timer interruption if needed */
- if (enable) {
- expire_time = muldiv64(ar->tmr.overflow_time, get_ticks_per_sec(),
- PM_TIMER_FREQUENCY);
- qemu_mod_timer(ar->tmr.timer, expire_time);
- } else {
- qemu_del_timer(ar->tmr.timer);
- }
-}
-
-void acpi_pm_tmr_calc_overflow_time(ACPIREGS *ar)
-{
- int64_t d = acpi_pm_tmr_get_clock();
- ar->tmr.overflow_time = (d + 0x800000LL) & ~0x7fffffLL;
-}
-
-uint32_t acpi_pm_tmr_get(ACPIREGS *ar)
-{
- uint32_t d = acpi_pm_tmr_get_clock();
- return d & 0xffffff;
-}
-
-static void acpi_pm_tmr_timer(void *opaque)
-{
- ACPIREGS *ar = opaque;
- qemu_system_wakeup_request(QEMU_WAKEUP_REASON_PMTIMER);
- ar->tmr.update_sci(ar);
-}
-
-void acpi_pm_tmr_init(ACPIREGS *ar, acpi_update_sci_fn update_sci)
-{
- ar->tmr.update_sci = update_sci;
- ar->tmr.timer = qemu_new_timer_ns(vm_clock, acpi_pm_tmr_timer, ar);
-}
-
-void acpi_pm_tmr_reset(ACPIREGS *ar)
-{
- ar->tmr.overflow_time = 0;
- qemu_del_timer(ar->tmr.timer);
-}
-
-/* ACPI PM1aCNT */
-void acpi_pm1_cnt_init(ACPIREGS *ar)
-{
- ar->wakeup.notify = acpi_notify_wakeup;
- qemu_register_wakeup_notifier(&ar->wakeup);
-}
-
-void acpi_pm1_cnt_write(ACPIREGS *ar, uint16_t val, char s4)
-{
- ar->pm1.cnt.cnt = val & ~(ACPI_BITMASK_SLEEP_ENABLE);
-
- if (val & ACPI_BITMASK_SLEEP_ENABLE) {
- /* change suspend type */
- uint16_t sus_typ = (val >> 10) & 7;
- switch(sus_typ) {
- case 0: /* soft power off */
- qemu_system_shutdown_request();
- break;
- case 1:
- qemu_system_suspend_request();
- break;
- default:
- if (sus_typ == s4) { /* S4 request */
- monitor_protocol_event(QEVENT_SUSPEND_DISK, NULL);
- qemu_system_shutdown_request();
- }
- break;
- }
- }
-}
-
-void acpi_pm1_cnt_update(ACPIREGS *ar,
- bool sci_enable, bool sci_disable)
-{
- /* ACPI specs 3.0, 4.7.2.5 */
- if (sci_enable) {
- ar->pm1.cnt.cnt |= ACPI_BITMASK_SCI_ENABLE;
- } else if (sci_disable) {
- ar->pm1.cnt.cnt &= ~ACPI_BITMASK_SCI_ENABLE;
- }
-}
-
-void acpi_pm1_cnt_reset(ACPIREGS *ar)
-{
- ar->pm1.cnt.cnt = 0;
-}
-
-/* ACPI GPE */
-void acpi_gpe_init(ACPIREGS *ar, uint8_t len)
-{
- ar->gpe.len = len;
- ar->gpe.sts = g_malloc0(len / 2);
- ar->gpe.en = g_malloc0(len / 2);
-}
-
-void acpi_gpe_blk(ACPIREGS *ar, uint32_t blk)
-{
- ar->gpe.blk = blk;
-}
-
-void acpi_gpe_reset(ACPIREGS *ar)
-{
- memset(ar->gpe.sts, 0, ar->gpe.len / 2);
- memset(ar->gpe.en, 0, ar->gpe.len / 2);
-}
-
-static uint8_t *acpi_gpe_ioport_get_ptr(ACPIREGS *ar, uint32_t addr)
-{
- uint8_t *cur = NULL;
-
- if (addr < ar->gpe.len / 2) {
- cur = ar->gpe.sts + addr;
- } else if (addr < ar->gpe.len) {
- cur = ar->gpe.en + addr - ar->gpe.len / 2;
- } else {
- abort();
- }
-
- return cur;
-}
-
-void acpi_gpe_ioport_writeb(ACPIREGS *ar, uint32_t addr, uint32_t val)
-{
- uint8_t *cur;
-
- addr -= ar->gpe.blk;
- cur = acpi_gpe_ioport_get_ptr(ar, addr);
- if (addr < ar->gpe.len / 2) {
- /* GPE_STS */
- *cur = (*cur) & ~val;
- } else if (addr < ar->gpe.len) {
- /* GPE_EN */
- *cur = val;
- } else {
- abort();
- }
-}
-
-uint32_t acpi_gpe_ioport_readb(ACPIREGS *ar, uint32_t addr)
-{
- uint8_t *cur;
- uint32_t val;
-
- addr -= ar->gpe.blk;
- cur = acpi_gpe_ioport_get_ptr(ar, addr);
- val = 0;
- if (cur != NULL) {
- val = *cur;
- }
-
- return val;
-}
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