2006-05-04 00:02:44 +02:00
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/*
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* ACPI implementation
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2007-09-16 23:08:06 +02:00
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*
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2006-05-04 00:02:44 +02:00
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* Copyright (c) 2006 Fabrice Bellard
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2007-09-16 23:08:06 +02:00
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*
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2006-05-04 00:02:44 +02:00
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2 as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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2009-07-16 22:47:01 +02:00
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* License along with this library; if not, see <http://www.gnu.org/licenses/>
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2012-01-13 17:44:23 +01:00
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*
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* Contributions after 2012-01-13 are licensed under the terms of the
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* GNU GPL, version 2 or (at your option) any later version.
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2006-05-04 00:02:44 +02:00
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*/
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2012-12-17 18:20:04 +01:00
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#include "sysemu/sysemu.h"
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2013-02-04 15:40:22 +01:00
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#include "hw/hw.h"
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#include "hw/pc.h"
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#include "hw/acpi.h"
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2012-12-17 18:19:49 +01:00
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#include "monitor/monitor.h"
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2006-05-04 00:02:44 +02:00
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2011-05-12 16:44:17 +02:00
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struct acpi_table_header {
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uint16_t _length; /* our length, not actual part of the hdr */
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/* XXX why we have 2 length fields here? */
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char sig[4]; /* ACPI signature (4 ASCII characters) */
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2009-02-27 21:12:36 +01:00
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uint32_t length; /* Length of table, in bytes, including header */
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uint8_t revision; /* ACPI Specification minor version # */
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uint8_t checksum; /* To make sum of entire table == 0 */
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2011-05-12 16:44:17 +02:00
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char oem_id[6]; /* OEM identification */
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char oem_table_id[8]; /* OEM table identification */
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2009-02-27 21:12:36 +01:00
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uint32_t oem_revision; /* OEM revision number */
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2011-05-12 16:44:17 +02:00
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char asl_compiler_id[4]; /* ASL compiler vendor ID */
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2009-02-27 21:12:36 +01:00
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uint32_t asl_compiler_revision; /* ASL compiler revision number */
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2011-08-31 12:38:01 +02:00
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} QEMU_PACKED;
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2009-02-27 21:12:36 +01:00
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2011-05-12 16:44:17 +02:00
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#define ACPI_TABLE_HDR_SIZE sizeof(struct acpi_table_header)
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#define ACPI_TABLE_PFX_SIZE sizeof(uint16_t) /* size of the extra prefix */
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2013-03-21 00:23:14 +01:00
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static const char unsigned dfl_hdr[ACPI_TABLE_HDR_SIZE] =
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2011-05-12 16:44:17 +02:00
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"\0\0" /* fake _length (2) */
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"QEMU\0\0\0\0\1\0" /* sig (4), len(4), revno (1), csum (1) */
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"QEMUQEQEMUQEMU\1\0\0\0" /* OEM id (6), table (8), revno (4) */
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"QEMU\1\0\0\0" /* ASL compiler ID (4), version (4) */
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;
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2013-03-21 00:23:14 +01:00
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char unsigned *acpi_tables;
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2009-02-27 21:12:36 +01:00
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size_t acpi_tables_len;
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static int acpi_checksum(const uint8_t *data, int len)
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{
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int sum, i;
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sum = 0;
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2011-05-12 16:44:17 +02:00
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for (i = 0; i < len; i++) {
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2009-02-27 21:12:36 +01:00
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sum += data[i];
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2011-05-12 16:44:17 +02:00
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}
|
2009-02-27 21:12:36 +01:00
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return (-sum) & 0xff;
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}
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2011-05-12 16:44:17 +02:00
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/* XXX fixme: this function uses obsolete argument parsing interface */
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2009-02-27 21:12:36 +01:00
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int acpi_table_add(const char *t)
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{
|
2013-03-21 00:23:15 +01:00
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Error *err = NULL;
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2009-02-27 21:12:36 +01:00
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char buf[1024], *p, *f;
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unsigned long val;
|
2011-05-12 16:44:17 +02:00
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size_t len, start, allen;
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bool has_header;
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int changed;
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int r;
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struct acpi_table_header hdr;
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2013-03-21 00:23:14 +01:00
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char unsigned *table_start;
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2009-02-27 21:12:36 +01:00
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|
2011-05-12 16:44:17 +02:00
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r = 0;
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r |= get_param_value(buf, sizeof(buf), "data", t) ? 1 : 0;
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r |= get_param_value(buf, sizeof(buf), "file", t) ? 2 : 0;
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switch (r) {
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case 0:
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buf[0] = '\0';
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/* fallthrough for default behavior */
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case 1:
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has_header = false;
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break;
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case 2:
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has_header = true;
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break;
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default:
|
2013-03-21 00:23:15 +01:00
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error_setg(&err, "acpitable: both data and file are specified");
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goto out;
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2011-05-12 16:44:17 +02:00
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}
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if (!acpi_tables) {
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allen = sizeof(uint16_t);
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2011-08-21 05:09:37 +02:00
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acpi_tables = g_malloc0(allen);
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2009-02-27 21:12:36 +01:00
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} else {
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2011-05-12 16:44:17 +02:00
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allen = acpi_tables_len;
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}
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start = allen;
|
2011-08-21 05:09:37 +02:00
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acpi_tables = g_realloc(acpi_tables, start + ACPI_TABLE_HDR_SIZE);
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2011-05-12 16:44:17 +02:00
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allen += has_header ? ACPI_TABLE_PFX_SIZE : ACPI_TABLE_HDR_SIZE;
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/* now read in the data files, reallocating buffer as needed */
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for (f = strtok(buf, ":"); f; f = strtok(NULL, ":")) {
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2013-01-17 11:53:52 +01:00
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int fd = open(f, O_RDONLY | O_BINARY);
|
2011-05-12 16:44:17 +02:00
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if (fd < 0) {
|
2013-03-21 00:23:15 +01:00
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|
error_setg(&err, "can't open file %s: %s", f, strerror(errno));
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goto out;
|
2011-05-12 16:44:17 +02:00
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}
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for (;;) {
|
2013-03-21 00:23:14 +01:00
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char unsigned data[8192];
|
2011-05-12 16:44:17 +02:00
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r = read(fd, data, sizeof(data));
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if (r == 0) {
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break;
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} else if (r > 0) {
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2011-08-21 05:09:37 +02:00
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acpi_tables = g_realloc(acpi_tables, allen + r);
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2011-05-12 16:44:17 +02:00
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memcpy(acpi_tables + allen, data, r);
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allen += r;
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} else if (errno != EINTR) {
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2013-03-21 00:23:15 +01:00
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error_setg(&err, "can't read file %s: %s",
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f, strerror(errno));
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2011-05-12 16:44:17 +02:00
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close(fd);
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2013-03-21 00:23:15 +01:00
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goto out;
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2011-05-12 16:44:17 +02:00
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}
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}
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close(fd);
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}
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/* now fill in the header fields */
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|
2013-03-21 00:23:14 +01:00
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table_start = acpi_tables + start; /* start of the table */
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2011-05-12 16:44:17 +02:00
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changed = 0;
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/* copy the header to temp place to align the fields */
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2013-03-21 00:23:14 +01:00
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memcpy(&hdr, has_header ? table_start : dfl_hdr, ACPI_TABLE_HDR_SIZE);
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2011-05-12 16:44:17 +02:00
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/* length of the table minus our prefix */
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len = allen - start - ACPI_TABLE_PFX_SIZE;
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hdr._length = cpu_to_le16(len);
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if (get_param_value(buf, sizeof(buf), "sig", t)) {
|
2012-10-04 13:10:00 +02:00
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|
/* strncpy is justified: the field need not be NUL-terminated. */
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strncpy(hdr.sig, buf, sizeof(hdr.sig));
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2011-05-12 16:44:17 +02:00
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++changed;
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}
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|
|
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/* length of the table including header, in bytes */
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|
|
|
if (has_header) {
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|
|
|
/* check if actual length is correct */
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val = le32_to_cpu(hdr.length);
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|
|
|
if (val != len) {
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|
fprintf(stderr,
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|
|
|
"warning: acpitable has wrong length,"
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|
|
|
" header says %lu, actual size %zu bytes\n",
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|
val, len);
|
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|
++changed;
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|
|
|
}
|
2009-02-27 21:12:36 +01:00
|
|
|
}
|
2011-05-12 16:44:17 +02:00
|
|
|
/* we may avoid putting length here if has_header is true */
|
|
|
|
hdr.length = cpu_to_le32(len);
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|
|
|
|
2009-02-27 21:12:36 +01:00
|
|
|
if (get_param_value(buf, sizeof(buf), "rev", t)) {
|
2011-05-12 16:44:17 +02:00
|
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|
val = strtoul(buf, &p, 0);
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|
|
|
if (val > 255 || *p) {
|
2013-03-21 00:23:15 +01:00
|
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|
error_setg(&err, "acpitable: \"rev=%s\" is invalid", buf);
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|
goto out;
|
2011-05-12 16:44:17 +02:00
|
|
|
}
|
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|
hdr.revision = (uint8_t)val;
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|
|
++changed;
|
2009-02-27 21:12:36 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
if (get_param_value(buf, sizeof(buf), "oem_id", t)) {
|
2012-10-04 13:10:00 +02:00
|
|
|
/* strncpy is justified: the field need not be NUL-terminated. */
|
|
|
|
strncpy(hdr.oem_id, buf, sizeof(hdr.oem_id));
|
2011-05-12 16:44:17 +02:00
|
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|
++changed;
|
2009-02-27 21:12:36 +01:00
|
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|
}
|
|
|
|
|
|
|
|
if (get_param_value(buf, sizeof(buf), "oem_table_id", t)) {
|
2012-10-04 13:10:00 +02:00
|
|
|
/* strncpy is justified: the field need not be NUL-terminated. */
|
|
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|
strncpy(hdr.oem_table_id, buf, sizeof(hdr.oem_table_id));
|
2011-05-12 16:44:17 +02:00
|
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|
++changed;
|
2009-02-27 21:12:36 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
if (get_param_value(buf, sizeof(buf), "oem_rev", t)) {
|
2011-05-12 16:44:17 +02:00
|
|
|
val = strtol(buf, &p, 0);
|
|
|
|
if (*p) {
|
2013-03-21 00:23:15 +01:00
|
|
|
error_setg(&err, "acpitable: \"oem_rev=%s\" is invalid", buf);
|
|
|
|
goto out;
|
2011-05-12 16:44:17 +02:00
|
|
|
}
|
|
|
|
hdr.oem_revision = cpu_to_le32(val);
|
|
|
|
++changed;
|
2009-02-27 21:12:36 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
if (get_param_value(buf, sizeof(buf), "asl_compiler_id", t)) {
|
2012-10-04 13:10:00 +02:00
|
|
|
/* strncpy is justified: the field need not be NUL-terminated. */
|
|
|
|
strncpy(hdr.asl_compiler_id, buf, sizeof(hdr.asl_compiler_id));
|
2011-05-12 16:44:17 +02:00
|
|
|
++changed;
|
2009-02-27 21:12:36 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
if (get_param_value(buf, sizeof(buf), "asl_compiler_rev", t)) {
|
2011-05-12 16:44:17 +02:00
|
|
|
val = strtol(buf, &p, 0);
|
|
|
|
if (*p) {
|
2013-03-21 00:23:15 +01:00
|
|
|
error_setg(&err, "acpitable: \"%s=%s\" is invalid",
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|
|
|
"asl_compiler_rev", buf);
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|
goto out;
|
2011-05-12 16:44:17 +02:00
|
|
|
}
|
|
|
|
hdr.asl_compiler_revision = cpu_to_le32(val);
|
|
|
|
++changed;
|
2009-02-27 21:12:36 +01:00
|
|
|
}
|
|
|
|
|
2011-05-12 16:44:17 +02:00
|
|
|
if (!has_header && !changed) {
|
|
|
|
fprintf(stderr, "warning: acpitable: no table headers are specified\n");
|
2009-02-27 21:12:36 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2011-05-12 16:44:17 +02:00
|
|
|
/* 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 */
|
2009-02-27 21:12:36 +01:00
|
|
|
|
2011-05-12 16:44:17 +02:00
|
|
|
/* put header back */
|
2013-03-21 00:23:14 +01:00
|
|
|
memcpy(table_start, &hdr, sizeof(hdr));
|
2011-05-12 16:44:17 +02:00
|
|
|
|
|
|
|
if (changed || !has_header || 1) {
|
2013-03-21 00:23:14 +01:00
|
|
|
((struct acpi_table_header *)table_start)->checksum =
|
|
|
|
acpi_checksum((uint8_t *)table_start + ACPI_TABLE_PFX_SIZE, len);
|
2010-07-29 01:08:42 +02:00
|
|
|
}
|
2009-02-27 21:12:36 +01:00
|
|
|
|
|
|
|
/* increase number of tables */
|
2011-05-12 16:44:17 +02:00
|
|
|
(*(uint16_t *)acpi_tables) =
|
|
|
|
cpu_to_le32(le32_to_cpu(*(uint16_t *)acpi_tables) + 1);
|
|
|
|
|
|
|
|
acpi_tables_len = allen;
|
2009-02-27 21:12:36 +01:00
|
|
|
return 0;
|
2011-05-12 16:44:17 +02:00
|
|
|
|
2013-03-21 00:23:15 +01:00
|
|
|
out:
|
|
|
|
fprintf(stderr, "%s\n", error_get_pretty(err));
|
|
|
|
error_free(err);
|
|
|
|
return -1;
|
2009-02-27 21:12:36 +01:00
|
|
|
}
|
2011-03-25 11:54:38 +01:00
|
|
|
|
2012-02-23 13:45:20 +01:00
|
|
|
static void acpi_notify_wakeup(Notifier *notifier, void *data)
|
|
|
|
{
|
|
|
|
ACPIREGS *ar = container_of(notifier, ACPIREGS, wakeup);
|
|
|
|
WakeupReason *reason = data;
|
|
|
|
|
|
|
|
switch (*reason) {
|
2012-02-23 13:45:24 +01:00
|
|
|
case QEMU_WAKEUP_REASON_RTC:
|
|
|
|
ar->pm1.evt.sts |=
|
|
|
|
(ACPI_BITMASK_WAKE_STATUS | ACPI_BITMASK_RT_CLOCK_STATUS);
|
|
|
|
break;
|
2012-02-23 13:45:25 +01:00
|
|
|
case QEMU_WAKEUP_REASON_PMTIMER:
|
|
|
|
ar->pm1.evt.sts |=
|
|
|
|
(ACPI_BITMASK_WAKE_STATUS | ACPI_BITMASK_TIMER_STATUS);
|
|
|
|
break;
|
2012-02-23 13:45:20 +01:00
|
|
|
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;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2011-03-25 11:54:39 +01:00
|
|
|
/* ACPI PM1a EVT */
|
2012-02-23 13:45:17 +01:00
|
|
|
uint16_t acpi_pm1_evt_get_sts(ACPIREGS *ar)
|
2011-03-25 11:54:39 +01:00
|
|
|
{
|
|
|
|
int64_t d = acpi_pm_tmr_get_clock();
|
2012-02-23 13:45:17 +01:00
|
|
|
if (d >= ar->tmr.overflow_time) {
|
2012-02-23 13:45:16 +01:00
|
|
|
ar->pm1.evt.sts |= ACPI_BITMASK_TIMER_STATUS;
|
2011-03-25 11:54:39 +01:00
|
|
|
}
|
2012-02-23 13:45:16 +01:00
|
|
|
return ar->pm1.evt.sts;
|
2011-03-25 11:54:39 +01:00
|
|
|
}
|
|
|
|
|
2012-11-22 13:25:10 +01:00
|
|
|
static void acpi_pm1_evt_write_sts(ACPIREGS *ar, uint16_t val)
|
2011-03-25 11:54:39 +01:00
|
|
|
{
|
2012-02-23 13:45:17 +01:00
|
|
|
uint16_t pm1_sts = acpi_pm1_evt_get_sts(ar);
|
2011-03-25 11:54:39 +01:00
|
|
|
if (pm1_sts & val & ACPI_BITMASK_TIMER_STATUS) {
|
|
|
|
/* if TMRSTS is reset, then compute the new overflow time */
|
2012-02-23 13:45:16 +01:00
|
|
|
acpi_pm_tmr_calc_overflow_time(ar);
|
2011-03-25 11:54:39 +01:00
|
|
|
}
|
2012-02-23 13:45:16 +01:00
|
|
|
ar->pm1.evt.sts &= ~val;
|
2011-03-25 11:54:39 +01:00
|
|
|
}
|
|
|
|
|
2012-11-22 13:25:10 +01:00
|
|
|
static void acpi_pm1_evt_write_en(ACPIREGS *ar, uint16_t val)
|
2012-02-23 13:45:18 +01:00
|
|
|
{
|
|
|
|
ar->pm1.evt.en = val;
|
2012-02-23 13:45:24 +01:00
|
|
|
qemu_system_wakeup_enable(QEMU_WAKEUP_REASON_RTC,
|
|
|
|
val & ACPI_BITMASK_RT_CLOCK_ENABLE);
|
2012-02-23 13:45:25 +01:00
|
|
|
qemu_system_wakeup_enable(QEMU_WAKEUP_REASON_PMTIMER,
|
|
|
|
val & ACPI_BITMASK_TIMER_ENABLE);
|
2012-02-23 13:45:18 +01:00
|
|
|
}
|
|
|
|
|
2012-02-23 13:45:16 +01:00
|
|
|
void acpi_pm1_evt_power_down(ACPIREGS *ar)
|
2011-03-25 11:54:39 +01:00
|
|
|
{
|
2012-02-23 13:45:16 +01:00
|
|
|
if (ar->pm1.evt.en & ACPI_BITMASK_POWER_BUTTON_ENABLE) {
|
|
|
|
ar->pm1.evt.sts |= ACPI_BITMASK_POWER_BUTTON_STATUS;
|
|
|
|
ar->tmr.update_sci(ar);
|
2011-03-25 11:54:39 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-02-23 13:45:16 +01:00
|
|
|
void acpi_pm1_evt_reset(ACPIREGS *ar)
|
2011-03-25 11:54:39 +01:00
|
|
|
{
|
2012-02-23 13:45:16 +01:00
|
|
|
ar->pm1.evt.sts = 0;
|
|
|
|
ar->pm1.evt.en = 0;
|
2012-02-23 13:45:24 +01:00
|
|
|
qemu_system_wakeup_enable(QEMU_WAKEUP_REASON_RTC, 0);
|
2012-02-23 13:45:25 +01:00
|
|
|
qemu_system_wakeup_enable(QEMU_WAKEUP_REASON_PMTIMER, 0);
|
2011-03-25 11:54:39 +01:00
|
|
|
}
|
|
|
|
|
2012-11-22 13:25:10 +01:00
|
|
|
static uint64_t acpi_pm_evt_read(void *opaque, hwaddr addr, unsigned width)
|
|
|
|
{
|
|
|
|
ACPIREGS *ar = opaque;
|
|
|
|
switch (addr) {
|
|
|
|
case 0:
|
|
|
|
return acpi_pm1_evt_get_sts(ar);
|
|
|
|
case 2:
|
|
|
|
return ar->pm1.evt.en;
|
|
|
|
default:
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void acpi_pm_evt_write(void *opaque, hwaddr addr, uint64_t val,
|
|
|
|
unsigned width)
|
|
|
|
{
|
|
|
|
ACPIREGS *ar = opaque;
|
|
|
|
switch (addr) {
|
|
|
|
case 0:
|
|
|
|
acpi_pm1_evt_write_sts(ar, val);
|
|
|
|
ar->pm1.evt.update_sci(ar);
|
|
|
|
break;
|
|
|
|
case 2:
|
|
|
|
acpi_pm1_evt_write_en(ar, val);
|
|
|
|
ar->pm1.evt.update_sci(ar);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static const MemoryRegionOps acpi_pm_evt_ops = {
|
|
|
|
.read = acpi_pm_evt_read,
|
|
|
|
.write = acpi_pm_evt_write,
|
|
|
|
.valid.min_access_size = 2,
|
|
|
|
.valid.max_access_size = 2,
|
|
|
|
.endianness = DEVICE_LITTLE_ENDIAN,
|
|
|
|
};
|
|
|
|
|
|
|
|
void acpi_pm1_evt_init(ACPIREGS *ar, acpi_update_sci_fn update_sci,
|
|
|
|
MemoryRegion *parent)
|
|
|
|
{
|
|
|
|
ar->pm1.evt.update_sci = update_sci;
|
|
|
|
memory_region_init_io(&ar->pm1.evt.io, &acpi_pm_evt_ops, ar, "acpi-evt", 4);
|
|
|
|
memory_region_add_subregion(parent, 0, &ar->pm1.evt.io);
|
|
|
|
}
|
|
|
|
|
2011-03-25 11:54:38 +01:00
|
|
|
/* ACPI PM_TMR */
|
2012-02-23 13:45:16 +01:00
|
|
|
void acpi_pm_tmr_update(ACPIREGS *ar, bool enable)
|
2011-03-25 11:54:38 +01:00
|
|
|
{
|
|
|
|
int64_t expire_time;
|
|
|
|
|
|
|
|
/* schedule a timer interruption if needed */
|
|
|
|
if (enable) {
|
2012-02-23 13:45:16 +01:00
|
|
|
expire_time = muldiv64(ar->tmr.overflow_time, get_ticks_per_sec(),
|
2011-03-25 11:54:38 +01:00
|
|
|
PM_TIMER_FREQUENCY);
|
2012-02-23 13:45:16 +01:00
|
|
|
qemu_mod_timer(ar->tmr.timer, expire_time);
|
2011-03-25 11:54:38 +01:00
|
|
|
} else {
|
2012-02-23 13:45:16 +01:00
|
|
|
qemu_del_timer(ar->tmr.timer);
|
2011-03-25 11:54:38 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-02-23 13:45:16 +01:00
|
|
|
void acpi_pm_tmr_calc_overflow_time(ACPIREGS *ar)
|
2011-03-25 11:54:38 +01:00
|
|
|
{
|
|
|
|
int64_t d = acpi_pm_tmr_get_clock();
|
2012-02-23 13:45:16 +01:00
|
|
|
ar->tmr.overflow_time = (d + 0x800000LL) & ~0x7fffffLL;
|
2011-03-25 11:54:38 +01:00
|
|
|
}
|
|
|
|
|
2012-11-22 12:12:30 +01:00
|
|
|
static uint32_t acpi_pm_tmr_get(ACPIREGS *ar)
|
2011-03-25 11:54:38 +01:00
|
|
|
{
|
2011-11-29 09:52:38 +01:00
|
|
|
uint32_t d = acpi_pm_tmr_get_clock();
|
2011-03-25 11:54:38 +01:00
|
|
|
return d & 0xffffff;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void acpi_pm_tmr_timer(void *opaque)
|
|
|
|
{
|
2012-02-23 13:45:16 +01:00
|
|
|
ACPIREGS *ar = opaque;
|
2012-02-23 13:45:25 +01:00
|
|
|
qemu_system_wakeup_request(QEMU_WAKEUP_REASON_PMTIMER);
|
2012-02-23 13:45:16 +01:00
|
|
|
ar->tmr.update_sci(ar);
|
2011-03-25 11:54:38 +01:00
|
|
|
}
|
|
|
|
|
2012-11-22 12:12:30 +01:00
|
|
|
static uint64_t acpi_pm_tmr_read(void *opaque, hwaddr addr, unsigned width)
|
|
|
|
{
|
|
|
|
return acpi_pm_tmr_get(opaque);
|
|
|
|
}
|
|
|
|
|
|
|
|
static const MemoryRegionOps acpi_pm_tmr_ops = {
|
|
|
|
.read = acpi_pm_tmr_read,
|
|
|
|
.valid.min_access_size = 4,
|
|
|
|
.valid.max_access_size = 4,
|
|
|
|
.endianness = DEVICE_LITTLE_ENDIAN,
|
|
|
|
};
|
|
|
|
|
|
|
|
void acpi_pm_tmr_init(ACPIREGS *ar, acpi_update_sci_fn update_sci,
|
|
|
|
MemoryRegion *parent)
|
2011-03-25 11:54:38 +01:00
|
|
|
{
|
2012-02-23 13:45:16 +01:00
|
|
|
ar->tmr.update_sci = update_sci;
|
|
|
|
ar->tmr.timer = qemu_new_timer_ns(vm_clock, acpi_pm_tmr_timer, ar);
|
2012-11-22 12:12:30 +01:00
|
|
|
memory_region_init_io(&ar->tmr.io, &acpi_pm_tmr_ops, ar, "acpi-tmr", 4);
|
|
|
|
memory_region_add_subregion(parent, 8, &ar->tmr.io);
|
2011-03-25 11:54:38 +01:00
|
|
|
}
|
|
|
|
|
2012-02-23 13:45:16 +01:00
|
|
|
void acpi_pm_tmr_reset(ACPIREGS *ar)
|
2011-03-25 11:54:38 +01:00
|
|
|
{
|
2012-02-23 13:45:16 +01:00
|
|
|
ar->tmr.overflow_time = 0;
|
|
|
|
qemu_del_timer(ar->tmr.timer);
|
2011-03-25 11:54:38 +01:00
|
|
|
}
|
2011-03-25 11:54:40 +01:00
|
|
|
|
|
|
|
/* ACPI PM1aCNT */
|
2012-11-22 13:17:57 +01:00
|
|
|
static void acpi_pm1_cnt_write(ACPIREGS *ar, uint16_t val)
|
2011-03-25 11:54:40 +01:00
|
|
|
{
|
2012-02-23 13:45:16 +01:00
|
|
|
ar->pm1.cnt.cnt = val & ~(ACPI_BITMASK_SLEEP_ENABLE);
|
2011-03-25 11:54:40 +01:00
|
|
|
|
|
|
|
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:
|
2012-02-23 13:45:20 +01:00
|
|
|
qemu_system_suspend_request();
|
|
|
|
break;
|
2011-03-25 11:54:40 +01:00
|
|
|
default:
|
2012-11-22 13:17:57 +01:00
|
|
|
if (sus_typ == ar->pm1.cnt.s4_val) { /* S4 request */
|
2012-08-08 22:03:01 +02:00
|
|
|
monitor_protocol_event(QEVENT_SUSPEND_DISK, NULL);
|
2012-06-04 13:31:55 +02:00
|
|
|
qemu_system_shutdown_request();
|
|
|
|
}
|
2011-03-25 11:54:40 +01:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-02-23 13:45:16 +01:00
|
|
|
void acpi_pm1_cnt_update(ACPIREGS *ar,
|
2011-03-25 11:54:40 +01:00
|
|
|
bool sci_enable, bool sci_disable)
|
|
|
|
{
|
|
|
|
/* ACPI specs 3.0, 4.7.2.5 */
|
|
|
|
if (sci_enable) {
|
2012-02-23 13:45:16 +01:00
|
|
|
ar->pm1.cnt.cnt |= ACPI_BITMASK_SCI_ENABLE;
|
2011-03-25 11:54:40 +01:00
|
|
|
} else if (sci_disable) {
|
2012-02-23 13:45:16 +01:00
|
|
|
ar->pm1.cnt.cnt &= ~ACPI_BITMASK_SCI_ENABLE;
|
2011-03-25 11:54:40 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-11-22 13:17:57 +01:00
|
|
|
static uint64_t acpi_pm_cnt_read(void *opaque, hwaddr addr, unsigned width)
|
|
|
|
{
|
|
|
|
ACPIREGS *ar = opaque;
|
|
|
|
return ar->pm1.cnt.cnt;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void acpi_pm_cnt_write(void *opaque, hwaddr addr, uint64_t val,
|
|
|
|
unsigned width)
|
|
|
|
{
|
|
|
|
acpi_pm1_cnt_write(opaque, val);
|
|
|
|
}
|
|
|
|
|
|
|
|
static const MemoryRegionOps acpi_pm_cnt_ops = {
|
|
|
|
.read = acpi_pm_cnt_read,
|
|
|
|
.write = acpi_pm_cnt_write,
|
|
|
|
.valid.min_access_size = 2,
|
|
|
|
.valid.max_access_size = 2,
|
|
|
|
.endianness = DEVICE_LITTLE_ENDIAN,
|
|
|
|
};
|
|
|
|
|
2013-04-02 20:41:40 +02:00
|
|
|
void acpi_pm1_cnt_init(ACPIREGS *ar, MemoryRegion *parent, uint8_t s4_val)
|
2012-11-22 13:17:57 +01:00
|
|
|
{
|
2013-04-02 20:41:40 +02:00
|
|
|
ar->pm1.cnt.s4_val = s4_val;
|
2012-11-22 13:17:57 +01:00
|
|
|
ar->wakeup.notify = acpi_notify_wakeup;
|
|
|
|
qemu_register_wakeup_notifier(&ar->wakeup);
|
|
|
|
memory_region_init_io(&ar->pm1.cnt.io, &acpi_pm_cnt_ops, ar, "acpi-cnt", 2);
|
|
|
|
memory_region_add_subregion(parent, 4, &ar->pm1.cnt.io);
|
|
|
|
}
|
|
|
|
|
2012-02-23 13:45:16 +01:00
|
|
|
void acpi_pm1_cnt_reset(ACPIREGS *ar)
|
2011-03-25 11:54:40 +01:00
|
|
|
{
|
2012-02-23 13:45:16 +01:00
|
|
|
ar->pm1.cnt.cnt = 0;
|
2011-03-25 11:54:40 +01:00
|
|
|
}
|
2011-03-25 11:54:41 +01:00
|
|
|
|
|
|
|
/* ACPI GPE */
|
2012-02-23 13:45:16 +01:00
|
|
|
void acpi_gpe_init(ACPIREGS *ar, uint8_t len)
|
2011-03-25 11:54:41 +01:00
|
|
|
{
|
2012-02-23 13:45:16 +01:00
|
|
|
ar->gpe.len = len;
|
|
|
|
ar->gpe.sts = g_malloc0(len / 2);
|
|
|
|
ar->gpe.en = g_malloc0(len / 2);
|
2011-03-25 11:54:41 +01:00
|
|
|
}
|
|
|
|
|
2012-02-23 13:45:16 +01:00
|
|
|
void acpi_gpe_reset(ACPIREGS *ar)
|
2011-03-25 11:54:41 +01:00
|
|
|
{
|
2012-02-23 13:45:16 +01:00
|
|
|
memset(ar->gpe.sts, 0, ar->gpe.len / 2);
|
|
|
|
memset(ar->gpe.en, 0, ar->gpe.len / 2);
|
2011-03-25 11:54:41 +01:00
|
|
|
}
|
|
|
|
|
2012-02-23 13:45:16 +01:00
|
|
|
static uint8_t *acpi_gpe_ioport_get_ptr(ACPIREGS *ar, uint32_t addr)
|
2011-03-25 11:54:41 +01:00
|
|
|
{
|
|
|
|
uint8_t *cur = NULL;
|
|
|
|
|
2012-02-23 13:45:16 +01:00
|
|
|
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;
|
2011-03-25 11:54:41 +01:00
|
|
|
} else {
|
|
|
|
abort();
|
|
|
|
}
|
|
|
|
|
|
|
|
return cur;
|
|
|
|
}
|
|
|
|
|
2012-02-23 13:45:16 +01:00
|
|
|
void acpi_gpe_ioport_writeb(ACPIREGS *ar, uint32_t addr, uint32_t val)
|
2011-03-25 11:54:41 +01:00
|
|
|
{
|
|
|
|
uint8_t *cur;
|
|
|
|
|
2012-02-23 13:45:16 +01:00
|
|
|
cur = acpi_gpe_ioport_get_ptr(ar, addr);
|
|
|
|
if (addr < ar->gpe.len / 2) {
|
2011-03-25 11:54:41 +01:00
|
|
|
/* GPE_STS */
|
|
|
|
*cur = (*cur) & ~val;
|
2012-02-23 13:45:16 +01:00
|
|
|
} else if (addr < ar->gpe.len) {
|
2011-03-25 11:54:41 +01:00
|
|
|
/* GPE_EN */
|
|
|
|
*cur = val;
|
|
|
|
} else {
|
|
|
|
abort();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-02-23 13:45:16 +01:00
|
|
|
uint32_t acpi_gpe_ioport_readb(ACPIREGS *ar, uint32_t addr)
|
2011-03-25 11:54:41 +01:00
|
|
|
{
|
|
|
|
uint8_t *cur;
|
|
|
|
uint32_t val;
|
|
|
|
|
2012-02-23 13:45:16 +01:00
|
|
|
cur = acpi_gpe_ioport_get_ptr(ar, addr);
|
2011-03-25 11:54:41 +01:00
|
|
|
val = 0;
|
|
|
|
if (cur != NULL) {
|
|
|
|
val = *cur;
|
|
|
|
}
|
|
|
|
|
|
|
|
return val;
|
|
|
|
}
|