2015-01-30 21:29:36 +08:00
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/* Support for generating ACPI tables and passing them to Guests
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*
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* Copyright (C) 2015 Red Hat Inc
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*
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* Author: Michael S. Tsirkin <mst@redhat.com>
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* Author: Igor Mammedov <imammedo@redhat.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program 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
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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2016-01-27 02:17:03 +08:00
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#include "qemu/osdep.h"
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2015-05-28 01:55:55 +08:00
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#include <glib/gprintf.h>
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2015-01-30 21:29:36 +08:00
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#include "hw/acpi/aml-build.h"
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2015-02-19 03:14:14 +08:00
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#include "qemu/bswap.h"
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2015-05-29 18:28:55 +08:00
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#include "qemu/bitops.h"
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2015-04-03 18:03:34 +08:00
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#include "hw/acpi/bios-linker-loader.h"
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2015-01-30 21:29:36 +08:00
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2015-02-21 02:22:20 +08:00
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static GArray *build_alloc_array(void)
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2015-01-30 21:29:36 +08:00
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{
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return g_array_new(false, true /* clear */, 1);
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}
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2015-02-21 02:22:20 +08:00
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static void build_free_array(GArray *array)
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2015-01-30 21:29:36 +08:00
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{
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g_array_free(array, true);
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}
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2015-02-21 02:22:20 +08:00
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static void build_prepend_byte(GArray *array, uint8_t val)
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2015-01-30 21:29:36 +08:00
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{
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g_array_prepend_val(array, val);
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}
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2015-02-21 02:22:20 +08:00
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static void build_append_byte(GArray *array, uint8_t val)
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2015-01-30 21:29:36 +08:00
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{
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g_array_append_val(array, val);
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}
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2015-02-21 02:22:20 +08:00
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static void build_append_array(GArray *array, GArray *val)
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2015-01-30 21:29:36 +08:00
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{
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g_array_append_vals(array, val->data, val->len);
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}
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#define ACPI_NAMESEG_LEN 4
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2015-01-30 21:29:37 +08:00
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static void
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build_append_nameseg(GArray *array, const char *seg)
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2015-01-30 21:29:36 +08:00
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{
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int len;
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2015-01-30 21:29:37 +08:00
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len = strlen(seg);
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2015-01-30 21:29:36 +08:00
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assert(len <= ACPI_NAMESEG_LEN);
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2015-01-30 21:29:37 +08:00
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g_array_append_vals(array, seg, len);
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2015-01-30 21:29:36 +08:00
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/* Pad up to ACPI_NAMESEG_LEN characters if necessary. */
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g_array_append_vals(array, "____", ACPI_NAMESEG_LEN - len);
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}
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2015-03-21 01:11:58 +08:00
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static void GCC_FMT_ATTR(2, 0)
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2015-01-30 21:29:37 +08:00
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build_append_namestringv(GArray *array, const char *format, va_list ap)
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{
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char *s;
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char **segs;
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char **segs_iter;
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int seg_count = 0;
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2015-05-28 01:55:55 +08:00
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s = g_strdup_vprintf(format, ap);
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2015-01-30 21:29:37 +08:00
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segs = g_strsplit(s, ".", 0);
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g_free(s);
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/* count segments */
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segs_iter = segs;
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while (*segs_iter) {
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++segs_iter;
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++seg_count;
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}
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/*
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* ACPI 5.0 spec: 20.2.2 Name Objects Encoding:
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* "SegCount can be from 1 to 255"
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*/
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assert(seg_count > 0 && seg_count <= 255);
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/* handle RootPath || PrefixPath */
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s = *segs;
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while (*s == '\\' || *s == '^') {
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build_append_byte(array, *s);
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++s;
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}
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switch (seg_count) {
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case 1:
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if (!*s) {
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2015-03-08 23:19:15 +08:00
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build_append_byte(array, 0x00); /* NullName */
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2015-01-30 21:29:37 +08:00
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} else {
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build_append_nameseg(array, s);
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}
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break;
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case 2:
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build_append_byte(array, 0x2E); /* DualNamePrefix */
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build_append_nameseg(array, s);
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build_append_nameseg(array, segs[1]);
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break;
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default:
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build_append_byte(array, 0x2F); /* MultiNamePrefix */
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build_append_byte(array, seg_count);
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/* handle the 1st segment manually due to prefix/root path */
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build_append_nameseg(array, s);
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/* add the rest of segments */
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segs_iter = segs + 1;
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while (*segs_iter) {
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build_append_nameseg(array, *segs_iter);
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++segs_iter;
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}
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break;
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}
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g_strfreev(segs);
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}
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2015-03-11 01:13:15 +08:00
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GCC_FMT_ATTR(2, 3)
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2015-02-21 02:22:20 +08:00
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static void build_append_namestring(GArray *array, const char *format, ...)
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2015-01-30 21:29:37 +08:00
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{
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va_list ap;
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va_start(ap, format);
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build_append_namestringv(array, format, ap);
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va_end(ap);
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}
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2015-01-30 21:29:36 +08:00
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/* 5.4 Definition Block Encoding */
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enum {
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PACKAGE_LENGTH_1BYTE_SHIFT = 6, /* Up to 63 - use extra 2 bits. */
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PACKAGE_LENGTH_2BYTE_SHIFT = 4,
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PACKAGE_LENGTH_3BYTE_SHIFT = 12,
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PACKAGE_LENGTH_4BYTE_SHIFT = 20,
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};
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2015-02-21 02:22:20 +08:00
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static void
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2015-02-19 03:14:33 +08:00
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build_prepend_package_length(GArray *package, unsigned length, bool incl_self)
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2015-01-30 21:29:36 +08:00
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{
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uint8_t byte;
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unsigned length_bytes;
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if (length + 1 < (1 << PACKAGE_LENGTH_1BYTE_SHIFT)) {
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length_bytes = 1;
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} else if (length + 2 < (1 << PACKAGE_LENGTH_3BYTE_SHIFT)) {
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length_bytes = 2;
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} else if (length + 3 < (1 << PACKAGE_LENGTH_4BYTE_SHIFT)) {
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length_bytes = 3;
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} else {
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length_bytes = 4;
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}
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2015-02-19 03:14:33 +08:00
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/*
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* NamedField uses PkgLength encoding but it doesn't include length
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* of PkgLength itself.
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*/
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if (incl_self) {
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/*
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* PkgLength is the length of the inclusive length of the data
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* and PkgLength's length itself when used for terms with
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* explitit length.
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*/
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length += length_bytes;
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}
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2015-01-30 21:29:36 +08:00
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switch (length_bytes) {
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case 1:
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byte = length;
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build_prepend_byte(package, byte);
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return;
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case 4:
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byte = length >> PACKAGE_LENGTH_4BYTE_SHIFT;
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build_prepend_byte(package, byte);
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length &= (1 << PACKAGE_LENGTH_4BYTE_SHIFT) - 1;
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/* fall through */
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case 3:
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byte = length >> PACKAGE_LENGTH_3BYTE_SHIFT;
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build_prepend_byte(package, byte);
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length &= (1 << PACKAGE_LENGTH_3BYTE_SHIFT) - 1;
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/* fall through */
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case 2:
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byte = length >> PACKAGE_LENGTH_2BYTE_SHIFT;
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build_prepend_byte(package, byte);
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length &= (1 << PACKAGE_LENGTH_2BYTE_SHIFT) - 1;
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/* fall through */
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}
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/*
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* Most significant two bits of byte zero indicate how many following bytes
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* are in PkgLength encoding.
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*/
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byte = ((length_bytes - 1) << PACKAGE_LENGTH_1BYTE_SHIFT) | length;
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build_prepend_byte(package, byte);
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}
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2015-02-19 03:14:35 +08:00
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static void
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build_append_pkg_length(GArray *array, unsigned length, bool incl_self)
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{
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GArray *tmp = build_alloc_array();
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build_prepend_package_length(tmp, length, incl_self);
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build_append_array(array, tmp);
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build_free_array(tmp);
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}
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2015-02-21 02:22:20 +08:00
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static void build_package(GArray *package, uint8_t op)
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2015-01-30 21:29:36 +08:00
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{
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2015-02-19 03:14:33 +08:00
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build_prepend_package_length(package, package->len, true);
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2015-01-30 21:29:36 +08:00
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build_prepend_byte(package, op);
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}
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2015-02-21 02:22:20 +08:00
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static void build_extop_package(GArray *package, uint8_t op)
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2015-01-30 21:29:36 +08:00
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{
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2015-01-30 21:29:38 +08:00
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build_package(package, op);
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2015-01-30 21:29:36 +08:00
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build_prepend_byte(package, 0x5B); /* ExtOpPrefix */
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}
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2015-02-19 03:14:21 +08:00
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static void build_append_int_noprefix(GArray *table, uint64_t value, int size)
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2015-01-30 21:29:36 +08:00
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{
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int i;
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for (i = 0; i < size; ++i) {
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build_append_byte(table, value & 0xFF);
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value = value >> 8;
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}
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}
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2015-02-21 02:22:20 +08:00
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static void build_append_int(GArray *table, uint64_t value)
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2015-01-30 21:29:36 +08:00
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{
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if (value == 0x00) {
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build_append_byte(table, 0x00); /* ZeroOp */
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} else if (value == 0x01) {
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build_append_byte(table, 0x01); /* OneOp */
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} else if (value <= 0xFF) {
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2015-02-19 03:14:21 +08:00
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build_append_byte(table, 0x0A); /* BytePrefix */
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build_append_int_noprefix(table, value, 1);
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2015-01-30 21:29:36 +08:00
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} else if (value <= 0xFFFF) {
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2015-02-19 03:14:21 +08:00
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build_append_byte(table, 0x0B); /* WordPrefix */
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build_append_int_noprefix(table, value, 2);
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} else if (value <= 0xFFFFFFFF) {
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build_append_byte(table, 0x0C); /* DWordPrefix */
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build_append_int_noprefix(table, value, 4);
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2015-01-30 21:29:36 +08:00
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} else {
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2015-02-19 03:14:21 +08:00
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build_append_byte(table, 0x0E); /* QWordPrefix */
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build_append_int_noprefix(table, value, 8);
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2015-01-30 21:29:36 +08:00
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}
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}
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2015-02-19 03:14:14 +08:00
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static GPtrArray *alloc_list;
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static Aml *aml_alloc(void)
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{
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Aml *var = g_new0(typeof(*var), 1);
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g_ptr_array_add(alloc_list, var);
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var->block_flags = AML_NO_OPCODE;
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var->buf = build_alloc_array();
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return var;
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}
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2015-02-19 03:14:20 +08:00
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static Aml *aml_opcode(uint8_t op)
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{
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Aml *var = aml_alloc();
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var->op = op;
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var->block_flags = AML_OPCODE;
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return var;
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}
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2015-02-19 03:14:15 +08:00
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static Aml *aml_bundle(uint8_t op, AmlBlockFlags flags)
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{
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Aml *var = aml_alloc();
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var->op = op;
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var->block_flags = flags;
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return var;
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}
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2015-03-04 00:40:45 +08:00
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static void aml_free(gpointer data, gpointer user_data)
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2015-02-19 03:14:14 +08:00
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{
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Aml *var = data;
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build_free_array(var->buf);
|
2015-05-25 15:14:37 +08:00
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g_free(var);
|
2015-02-19 03:14:14 +08:00
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}
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Aml *init_aml_allocator(void)
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{
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Aml *var;
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assert(!alloc_list);
|
2015-03-04 00:40:45 +08:00
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alloc_list = g_ptr_array_new();
|
2015-02-19 03:14:14 +08:00
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var = aml_alloc();
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return var;
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}
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void free_aml_allocator(void)
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{
|
2015-03-04 00:40:45 +08:00
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g_ptr_array_foreach(alloc_list, aml_free, NULL);
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2015-02-19 03:14:14 +08:00
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g_ptr_array_free(alloc_list, true);
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alloc_list = 0;
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}
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/* pack data with DefBuffer encoding */
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static void build_buffer(GArray *array, uint8_t op)
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{
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GArray *data = build_alloc_array();
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build_append_int(data, array->len);
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g_array_prepend_vals(array, data->data, data->len);
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build_free_array(data);
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build_package(array, op);
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}
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void aml_append(Aml *parent_ctx, Aml *child)
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{
|
2015-03-08 03:47:51 +08:00
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GArray *buf = build_alloc_array();
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build_append_array(buf, child->buf);
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|
2015-02-19 03:14:14 +08:00
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|
switch (child->block_flags) {
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case AML_OPCODE:
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|
|
build_append_byte(parent_ctx->buf, child->op);
|
|
|
|
break;
|
|
|
|
case AML_EXT_PACKAGE:
|
2015-03-08 03:47:51 +08:00
|
|
|
build_extop_package(buf, child->op);
|
2015-02-19 03:14:14 +08:00
|
|
|
break;
|
|
|
|
case AML_PACKAGE:
|
2015-03-08 03:47:51 +08:00
|
|
|
build_package(buf, child->op);
|
2015-02-19 03:14:14 +08:00
|
|
|
break;
|
|
|
|
case AML_RES_TEMPLATE:
|
2015-03-08 03:47:51 +08:00
|
|
|
build_append_byte(buf, 0x79); /* EndTag */
|
2015-02-19 03:14:14 +08:00
|
|
|
/*
|
|
|
|
* checksum operations are treated as succeeded if checksum
|
|
|
|
* field is zero. [ACPI Spec 1.0b, 6.4.2.8 End Tag]
|
|
|
|
*/
|
2015-03-08 03:47:51 +08:00
|
|
|
build_append_byte(buf, 0);
|
2015-02-19 03:14:14 +08:00
|
|
|
/* fall through, to pack resources in buffer */
|
|
|
|
case AML_BUFFER:
|
2015-03-08 03:47:51 +08:00
|
|
|
build_buffer(buf, child->op);
|
2015-02-19 03:14:14 +08:00
|
|
|
break;
|
|
|
|
case AML_NO_OPCODE:
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
assert(0);
|
|
|
|
break;
|
|
|
|
}
|
2015-03-08 03:47:51 +08:00
|
|
|
build_append_array(parent_ctx->buf, buf);
|
|
|
|
build_free_array(buf);
|
2015-02-19 03:14:14 +08:00
|
|
|
}
|
2015-02-19 03:14:15 +08:00
|
|
|
|
|
|
|
/* ACPI 1.0b: 16.2.5.1 Namespace Modifier Objects Encoding: DefScope */
|
|
|
|
Aml *aml_scope(const char *name_format, ...)
|
|
|
|
{
|
|
|
|
va_list ap;
|
|
|
|
Aml *var = aml_bundle(0x10 /* ScopeOp */, AML_PACKAGE);
|
|
|
|
va_start(ap, name_format);
|
|
|
|
build_append_namestringv(var->buf, name_format, ap);
|
|
|
|
va_end(ap);
|
|
|
|
return var;
|
|
|
|
}
|
2015-02-19 03:14:17 +08:00
|
|
|
|
2015-02-19 03:14:22 +08:00
|
|
|
/* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefReturn */
|
|
|
|
Aml *aml_return(Aml *val)
|
|
|
|
{
|
|
|
|
Aml *var = aml_opcode(0xA4 /* ReturnOp */);
|
|
|
|
aml_append(var, val);
|
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
2015-02-19 03:14:21 +08:00
|
|
|
/*
|
|
|
|
* ACPI 1.0b: 16.2.3 Data Objects Encoding:
|
|
|
|
* encodes: ByteConst, WordConst, DWordConst, QWordConst, ZeroOp, OneOp
|
|
|
|
*/
|
|
|
|
Aml *aml_int(const uint64_t val)
|
|
|
|
{
|
|
|
|
Aml *var = aml_alloc();
|
|
|
|
build_append_int(var->buf, val);
|
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
2015-02-19 03:14:20 +08:00
|
|
|
/*
|
|
|
|
* helper to construct NameString, which returns Aml object
|
|
|
|
* for using with aml_append or other aml_* terms
|
|
|
|
*/
|
|
|
|
Aml *aml_name(const char *name_format, ...)
|
|
|
|
{
|
|
|
|
va_list ap;
|
|
|
|
Aml *var = aml_alloc();
|
|
|
|
va_start(ap, name_format);
|
|
|
|
build_append_namestringv(var->buf, name_format, ap);
|
|
|
|
va_end(ap);
|
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* ACPI 1.0b: 16.2.5.1 Namespace Modifier Objects Encoding: DefName */
|
|
|
|
Aml *aml_name_decl(const char *name, Aml *val)
|
|
|
|
{
|
|
|
|
Aml *var = aml_opcode(0x08 /* NameOp */);
|
|
|
|
build_append_namestring(var->buf, "%s", name);
|
|
|
|
aml_append(var, val);
|
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
2015-02-19 03:14:23 +08:00
|
|
|
/* ACPI 1.0b: 16.2.6.1 Arg Objects Encoding */
|
|
|
|
Aml *aml_arg(int pos)
|
|
|
|
{
|
|
|
|
Aml *var;
|
|
|
|
uint8_t op = 0x68 /* ARG0 op */ + pos;
|
|
|
|
|
|
|
|
assert(pos <= 6);
|
|
|
|
var = aml_opcode(op);
|
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
2015-12-10 07:41:05 +08:00
|
|
|
/* ACPI 2.0a: 17.2.4.4 Type 2 Opcodes Encoding: DefToInteger */
|
|
|
|
Aml *aml_to_integer(Aml *arg)
|
|
|
|
{
|
|
|
|
Aml *var = aml_opcode(0x99 /* ToIntegerOp */);
|
|
|
|
aml_append(var, arg);
|
|
|
|
build_append_byte(var->buf, 0x00 /* NullNameOp */);
|
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
2015-12-10 07:41:13 +08:00
|
|
|
/* ACPI 2.0a: 17.2.4.4 Type 2 Opcodes Encoding: DefToHexString */
|
|
|
|
Aml *aml_to_hexstring(Aml *src, Aml *dst)
|
|
|
|
{
|
|
|
|
Aml *var = aml_opcode(0x98 /* ToHexStringOp */);
|
|
|
|
aml_append(var, src);
|
|
|
|
if (dst) {
|
|
|
|
aml_append(var, dst);
|
|
|
|
} else {
|
|
|
|
build_append_byte(var->buf, 0x00 /* NullNameOp */);
|
|
|
|
}
|
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
2015-12-10 07:41:14 +08:00
|
|
|
/* ACPI 2.0a: 17.2.4.4 Type 2 Opcodes Encoding: DefToBuffer */
|
|
|
|
Aml *aml_to_buffer(Aml *src, Aml *dst)
|
|
|
|
{
|
|
|
|
Aml *var = aml_opcode(0x96 /* ToBufferOp */);
|
|
|
|
aml_append(var, src);
|
|
|
|
if (dst) {
|
|
|
|
aml_append(var, dst);
|
|
|
|
} else {
|
|
|
|
build_append_byte(var->buf, 0x00 /* NullNameOp */);
|
|
|
|
}
|
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
2015-02-19 03:14:24 +08:00
|
|
|
/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefStore */
|
|
|
|
Aml *aml_store(Aml *val, Aml *target)
|
|
|
|
{
|
|
|
|
Aml *var = aml_opcode(0x70 /* StoreOp */);
|
|
|
|
aml_append(var, val);
|
|
|
|
aml_append(var, target);
|
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
2015-12-10 07:41:01 +08:00
|
|
|
/**
|
|
|
|
* build_opcode_2arg_dst:
|
|
|
|
* @op: 1-byte opcode
|
|
|
|
* @arg1: 1st operand
|
|
|
|
* @arg2: 2nd operand
|
|
|
|
* @dst: optional target to store to, set to NULL if it's not required
|
|
|
|
*
|
|
|
|
* An internal helper to compose AML terms that have
|
|
|
|
* "Op Operand Operand Target"
|
|
|
|
* pattern.
|
|
|
|
*
|
|
|
|
* Returns: The newly allocated and composed according to patter Aml object.
|
|
|
|
*/
|
|
|
|
static Aml *
|
|
|
|
build_opcode_2arg_dst(uint8_t op, Aml *arg1, Aml *arg2, Aml *dst)
|
2015-02-19 03:14:25 +08:00
|
|
|
{
|
2015-12-10 07:41:01 +08:00
|
|
|
Aml *var = aml_opcode(op);
|
2015-02-19 03:14:25 +08:00
|
|
|
aml_append(var, arg1);
|
|
|
|
aml_append(var, arg2);
|
2015-12-10 07:41:01 +08:00
|
|
|
if (dst) {
|
|
|
|
aml_append(var, dst);
|
|
|
|
} else {
|
|
|
|
build_append_byte(var->buf, 0x00 /* NullNameOp */);
|
|
|
|
}
|
2015-02-19 03:14:25 +08:00
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
2015-12-10 07:41:01 +08:00
|
|
|
/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefAnd */
|
2015-12-10 07:41:17 +08:00
|
|
|
Aml *aml_and(Aml *arg1, Aml *arg2, Aml *dst)
|
2015-12-10 07:41:01 +08:00
|
|
|
{
|
2015-12-10 07:41:17 +08:00
|
|
|
return build_opcode_2arg_dst(0x7B /* AndOp */, arg1, arg2, dst);
|
2015-12-10 07:41:01 +08:00
|
|
|
}
|
|
|
|
|
2015-05-29 18:28:58 +08:00
|
|
|
/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefOr */
|
2015-12-10 07:41:16 +08:00
|
|
|
Aml *aml_or(Aml *arg1, Aml *arg2, Aml *dst)
|
2015-05-29 18:28:58 +08:00
|
|
|
{
|
2015-12-10 07:41:16 +08:00
|
|
|
return build_opcode_2arg_dst(0x7D /* OrOp */, arg1, arg2, dst);
|
2015-05-29 18:28:58 +08:00
|
|
|
}
|
|
|
|
|
2015-12-10 07:41:10 +08:00
|
|
|
/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLOr */
|
|
|
|
Aml *aml_lor(Aml *arg1, Aml *arg2)
|
|
|
|
{
|
|
|
|
Aml *var = aml_opcode(0x91 /* LOrOp */);
|
|
|
|
aml_append(var, arg1);
|
|
|
|
aml_append(var, arg2);
|
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
2015-05-25 23:33:43 +08:00
|
|
|
/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefShiftLeft */
|
|
|
|
Aml *aml_shiftleft(Aml *arg1, Aml *count)
|
|
|
|
{
|
2015-12-10 07:41:01 +08:00
|
|
|
return build_opcode_2arg_dst(0x79 /* ShiftLeftOp */, arg1, count, NULL);
|
2015-05-25 23:33:43 +08:00
|
|
|
}
|
|
|
|
|
2015-05-25 23:33:44 +08:00
|
|
|
/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefShiftRight */
|
2015-12-10 07:41:06 +08:00
|
|
|
Aml *aml_shiftright(Aml *arg1, Aml *count, Aml *dst)
|
2015-05-25 23:33:44 +08:00
|
|
|
{
|
2015-12-10 07:41:06 +08:00
|
|
|
return build_opcode_2arg_dst(0x7A /* ShiftRightOp */, arg1, count, dst);
|
2015-05-25 23:33:44 +08:00
|
|
|
}
|
|
|
|
|
2015-05-25 23:33:41 +08:00
|
|
|
/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLLess */
|
|
|
|
Aml *aml_lless(Aml *arg1, Aml *arg2)
|
|
|
|
{
|
|
|
|
Aml *var = aml_opcode(0x95 /* LLessOp */);
|
|
|
|
aml_append(var, arg1);
|
|
|
|
aml_append(var, arg2);
|
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
2015-05-25 23:33:40 +08:00
|
|
|
/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefAdd */
|
2015-12-10 07:41:02 +08:00
|
|
|
Aml *aml_add(Aml *arg1, Aml *arg2, Aml *dst)
|
2015-05-25 23:33:40 +08:00
|
|
|
{
|
2015-12-10 07:41:02 +08:00
|
|
|
return build_opcode_2arg_dst(0x72 /* AddOp */, arg1, arg2, dst);
|
2015-05-25 23:33:40 +08:00
|
|
|
}
|
|
|
|
|
2015-12-10 07:41:03 +08:00
|
|
|
/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefSubtract */
|
|
|
|
Aml *aml_subtract(Aml *arg1, Aml *arg2, Aml *dst)
|
|
|
|
{
|
|
|
|
return build_opcode_2arg_dst(0x74 /* SubtractOp */, arg1, arg2, dst);
|
|
|
|
}
|
|
|
|
|
2015-05-25 23:33:45 +08:00
|
|
|
/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefIncrement */
|
|
|
|
Aml *aml_increment(Aml *arg)
|
|
|
|
{
|
|
|
|
Aml *var = aml_opcode(0x75 /* IncrementOp */);
|
|
|
|
aml_append(var, arg);
|
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
2015-12-10 07:41:03 +08:00
|
|
|
/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefDecrement */
|
|
|
|
Aml *aml_decrement(Aml *arg)
|
|
|
|
{
|
|
|
|
Aml *var = aml_opcode(0x76 /* DecrementOp */);
|
|
|
|
aml_append(var, arg);
|
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
2015-05-25 23:33:42 +08:00
|
|
|
/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefIndex */
|
|
|
|
Aml *aml_index(Aml *arg1, Aml *idx)
|
|
|
|
{
|
2015-12-10 07:41:01 +08:00
|
|
|
return build_opcode_2arg_dst(0x88 /* IndexOp */, arg1, idx, NULL);
|
2015-05-25 23:33:42 +08:00
|
|
|
}
|
|
|
|
|
2015-02-19 03:14:26 +08:00
|
|
|
/* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefNotify */
|
|
|
|
Aml *aml_notify(Aml *arg1, Aml *arg2)
|
|
|
|
{
|
|
|
|
Aml *var = aml_opcode(0x86 /* NotifyOp */);
|
|
|
|
aml_append(var, arg1);
|
|
|
|
aml_append(var, arg2);
|
|
|
|
return var;
|
2015-12-10 07:41:04 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
/* helper to call method with 1 argument */
|
|
|
|
Aml *aml_call0(const char *method)
|
|
|
|
{
|
|
|
|
Aml *var = aml_alloc();
|
|
|
|
build_append_namestring(var->buf, "%s", method);
|
|
|
|
return var;
|
2015-02-19 03:14:26 +08:00
|
|
|
}
|
|
|
|
|
2015-02-19 03:14:27 +08:00
|
|
|
/* helper to call method with 1 argument */
|
|
|
|
Aml *aml_call1(const char *method, Aml *arg1)
|
|
|
|
{
|
|
|
|
Aml *var = aml_alloc();
|
|
|
|
build_append_namestring(var->buf, "%s", method);
|
|
|
|
aml_append(var, arg1);
|
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* helper to call method with 2 arguments */
|
|
|
|
Aml *aml_call2(const char *method, Aml *arg1, Aml *arg2)
|
|
|
|
{
|
|
|
|
Aml *var = aml_alloc();
|
|
|
|
build_append_namestring(var->buf, "%s", method);
|
|
|
|
aml_append(var, arg1);
|
|
|
|
aml_append(var, arg2);
|
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* helper to call method with 3 arguments */
|
|
|
|
Aml *aml_call3(const char *method, Aml *arg1, Aml *arg2, Aml *arg3)
|
|
|
|
{
|
|
|
|
Aml *var = aml_alloc();
|
|
|
|
build_append_namestring(var->buf, "%s", method);
|
|
|
|
aml_append(var, arg1);
|
|
|
|
aml_append(var, arg2);
|
|
|
|
aml_append(var, arg3);
|
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* helper to call method with 4 arguments */
|
|
|
|
Aml *aml_call4(const char *method, Aml *arg1, Aml *arg2, Aml *arg3, Aml *arg4)
|
|
|
|
{
|
|
|
|
Aml *var = aml_alloc();
|
|
|
|
build_append_namestring(var->buf, "%s", method);
|
|
|
|
aml_append(var, arg1);
|
|
|
|
aml_append(var, arg2);
|
|
|
|
aml_append(var, arg3);
|
|
|
|
aml_append(var, arg4);
|
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
2015-12-17 21:37:14 +08:00
|
|
|
/*
|
|
|
|
* ACPI 5.0: 6.4.3.8.1 GPIO Connection Descriptor
|
|
|
|
* Type 1, Large Item Name 0xC
|
|
|
|
*/
|
|
|
|
|
|
|
|
static Aml *aml_gpio_connection(AmlGpioConnectionType type,
|
|
|
|
AmlConsumerAndProducer con_and_pro,
|
|
|
|
uint8_t flags, AmlPinConfig pin_config,
|
|
|
|
uint16_t output_drive,
|
|
|
|
uint16_t debounce_timeout,
|
|
|
|
const uint32_t pin_list[], uint32_t pin_count,
|
|
|
|
const char *resource_source_name,
|
|
|
|
const uint8_t *vendor_data,
|
|
|
|
uint16_t vendor_data_len)
|
|
|
|
{
|
|
|
|
Aml *var = aml_alloc();
|
|
|
|
const uint16_t min_desc_len = 0x16;
|
|
|
|
uint16_t resource_source_name_len, length;
|
|
|
|
uint16_t pin_table_offset, resource_source_name_offset, vendor_data_offset;
|
|
|
|
uint32_t i;
|
|
|
|
|
|
|
|
assert(resource_source_name);
|
|
|
|
resource_source_name_len = strlen(resource_source_name) + 1;
|
|
|
|
length = min_desc_len + resource_source_name_len + vendor_data_len;
|
|
|
|
pin_table_offset = min_desc_len + 1;
|
|
|
|
resource_source_name_offset = pin_table_offset + pin_count * 2;
|
|
|
|
vendor_data_offset = resource_source_name_offset + resource_source_name_len;
|
|
|
|
|
|
|
|
build_append_byte(var->buf, 0x8C); /* GPIO Connection Descriptor */
|
|
|
|
build_append_int_noprefix(var->buf, length, 2); /* Length */
|
|
|
|
build_append_byte(var->buf, 1); /* Revision ID */
|
|
|
|
build_append_byte(var->buf, type); /* GPIO Connection Type */
|
|
|
|
/* General Flags (2 bytes) */
|
|
|
|
build_append_int_noprefix(var->buf, con_and_pro, 2);
|
|
|
|
/* Interrupt and IO Flags (2 bytes) */
|
|
|
|
build_append_int_noprefix(var->buf, flags, 2);
|
|
|
|
/* Pin Configuration 0 = Default 1 = Pull-up 2 = Pull-down 3 = No Pull */
|
|
|
|
build_append_byte(var->buf, pin_config);
|
|
|
|
/* Output Drive Strength (2 bytes) */
|
|
|
|
build_append_int_noprefix(var->buf, output_drive, 2);
|
|
|
|
/* Debounce Timeout (2 bytes) */
|
|
|
|
build_append_int_noprefix(var->buf, debounce_timeout, 2);
|
|
|
|
/* Pin Table Offset (2 bytes) */
|
|
|
|
build_append_int_noprefix(var->buf, pin_table_offset, 2);
|
|
|
|
build_append_byte(var->buf, 0); /* Resource Source Index */
|
|
|
|
/* Resource Source Name Offset (2 bytes) */
|
|
|
|
build_append_int_noprefix(var->buf, resource_source_name_offset, 2);
|
|
|
|
/* Vendor Data Offset (2 bytes) */
|
|
|
|
build_append_int_noprefix(var->buf, vendor_data_offset, 2);
|
|
|
|
/* Vendor Data Length (2 bytes) */
|
|
|
|
build_append_int_noprefix(var->buf, vendor_data_len, 2);
|
|
|
|
/* Pin Number (2n bytes)*/
|
|
|
|
for (i = 0; i < pin_count; i++) {
|
|
|
|
build_append_int_noprefix(var->buf, pin_list[i], 2);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Resource Source Name */
|
|
|
|
build_append_namestring(var->buf, "%s", resource_source_name);
|
|
|
|
build_append_byte(var->buf, '\0');
|
|
|
|
|
|
|
|
/* Vendor-defined Data */
|
|
|
|
if (vendor_data != NULL) {
|
|
|
|
g_array_append_vals(var->buf, vendor_data, vendor_data_len);
|
|
|
|
}
|
|
|
|
|
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
2015-12-17 21:37:14 +08:00
|
|
|
/*
|
|
|
|
* ACPI 5.0: 19.5.53
|
|
|
|
* GpioInt(GPIO Interrupt Connection Resource Descriptor Macro)
|
|
|
|
*/
|
|
|
|
Aml *aml_gpio_int(AmlConsumerAndProducer con_and_pro,
|
|
|
|
AmlLevelAndEdge edge_level,
|
|
|
|
AmlActiveHighAndLow active_level, AmlShared shared,
|
|
|
|
AmlPinConfig pin_config, uint16_t debounce_timeout,
|
|
|
|
const uint32_t pin_list[], uint32_t pin_count,
|
|
|
|
const char *resource_source_name,
|
|
|
|
const uint8_t *vendor_data, uint16_t vendor_data_len)
|
|
|
|
{
|
|
|
|
uint8_t flags = edge_level | (active_level << 1) | (shared << 3);
|
|
|
|
|
|
|
|
return aml_gpio_connection(AML_INTERRUPT_CONNECTION, con_and_pro, flags,
|
|
|
|
pin_config, 0, debounce_timeout, pin_list,
|
|
|
|
pin_count, resource_source_name, vendor_data,
|
|
|
|
vendor_data_len);
|
|
|
|
}
|
|
|
|
|
2015-05-29 18:28:55 +08:00
|
|
|
/*
|
|
|
|
* ACPI 1.0b: 6.4.3.4 32-Bit Fixed Location Memory Range Descriptor
|
|
|
|
* (Type 1, Large Item Name 0x6)
|
|
|
|
*/
|
|
|
|
Aml *aml_memory32_fixed(uint32_t addr, uint32_t size,
|
|
|
|
AmlReadAndWrite read_and_write)
|
|
|
|
{
|
|
|
|
Aml *var = aml_alloc();
|
|
|
|
build_append_byte(var->buf, 0x86); /* Memory32Fixed Resource Descriptor */
|
|
|
|
build_append_byte(var->buf, 9); /* Length, bits[7:0] value = 9 */
|
|
|
|
build_append_byte(var->buf, 0); /* Length, bits[15:8] value = 0 */
|
|
|
|
build_append_byte(var->buf, read_and_write); /* Write status, 1 rw 0 ro */
|
|
|
|
|
|
|
|
/* Range base address */
|
|
|
|
build_append_byte(var->buf, extract32(addr, 0, 8)); /* bits[7:0] */
|
|
|
|
build_append_byte(var->buf, extract32(addr, 8, 8)); /* bits[15:8] */
|
|
|
|
build_append_byte(var->buf, extract32(addr, 16, 8)); /* bits[23:16] */
|
|
|
|
build_append_byte(var->buf, extract32(addr, 24, 8)); /* bits[31:24] */
|
|
|
|
|
|
|
|
/* Range length */
|
|
|
|
build_append_byte(var->buf, extract32(size, 0, 8)); /* bits[7:0] */
|
|
|
|
build_append_byte(var->buf, extract32(size, 8, 8)); /* bits[15:8] */
|
|
|
|
build_append_byte(var->buf, extract32(size, 16, 8)); /* bits[23:16] */
|
|
|
|
build_append_byte(var->buf, extract32(size, 24, 8)); /* bits[31:24] */
|
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
2015-05-29 18:28:55 +08:00
|
|
|
/*
|
|
|
|
* ACPI 5.0: 6.4.3.6 Extended Interrupt Descriptor
|
|
|
|
* Type 1, Large Item Name 0x9
|
|
|
|
*/
|
|
|
|
Aml *aml_interrupt(AmlConsumerAndProducer con_and_pro,
|
|
|
|
AmlLevelAndEdge level_and_edge,
|
|
|
|
AmlActiveHighAndLow high_and_low, AmlShared shared,
|
2015-12-17 21:37:13 +08:00
|
|
|
uint32_t *irq_list, uint8_t irq_count)
|
2015-05-29 18:28:55 +08:00
|
|
|
{
|
2015-12-17 21:37:13 +08:00
|
|
|
int i;
|
2015-05-29 18:28:55 +08:00
|
|
|
Aml *var = aml_alloc();
|
|
|
|
uint8_t irq_flags = con_and_pro | (level_and_edge << 1)
|
|
|
|
| (high_and_low << 2) | (shared << 3);
|
2015-12-17 21:37:13 +08:00
|
|
|
const int header_bytes_in_len = 2;
|
|
|
|
uint16_t len = header_bytes_in_len + irq_count * sizeof(uint32_t);
|
|
|
|
|
|
|
|
assert(irq_count > 0);
|
2015-05-29 18:28:55 +08:00
|
|
|
|
|
|
|
build_append_byte(var->buf, 0x89); /* Extended irq descriptor */
|
2015-12-17 21:37:13 +08:00
|
|
|
build_append_byte(var->buf, len & 0xFF); /* Length, bits[7:0] */
|
|
|
|
build_append_byte(var->buf, len >> 8); /* Length, bits[15:8] */
|
2015-05-29 18:28:55 +08:00
|
|
|
build_append_byte(var->buf, irq_flags); /* Interrupt Vector Information. */
|
2015-12-17 21:37:13 +08:00
|
|
|
build_append_byte(var->buf, irq_count); /* Interrupt table length */
|
2015-05-29 18:28:55 +08:00
|
|
|
|
2015-12-17 21:37:13 +08:00
|
|
|
/* Interrupt Number List */
|
|
|
|
for (i = 0; i < irq_count; i++) {
|
|
|
|
build_append_int_noprefix(var->buf, irq_list[i], 4);
|
|
|
|
}
|
2015-05-29 18:28:55 +08:00
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
2015-02-19 03:14:32 +08:00
|
|
|
/* ACPI 1.0b: 6.4.2.5 I/O Port Descriptor */
|
|
|
|
Aml *aml_io(AmlIODecode dec, uint16_t min_base, uint16_t max_base,
|
|
|
|
uint8_t aln, uint8_t len)
|
|
|
|
{
|
|
|
|
Aml *var = aml_alloc();
|
|
|
|
build_append_byte(var->buf, 0x47); /* IO port descriptor */
|
|
|
|
build_append_byte(var->buf, dec);
|
|
|
|
build_append_byte(var->buf, min_base & 0xff);
|
|
|
|
build_append_byte(var->buf, (min_base >> 8) & 0xff);
|
|
|
|
build_append_byte(var->buf, max_base & 0xff);
|
|
|
|
build_append_byte(var->buf, (max_base >> 8) & 0xff);
|
|
|
|
build_append_byte(var->buf, aln);
|
|
|
|
build_append_byte(var->buf, len);
|
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
2015-02-21 02:22:10 +08:00
|
|
|
/*
|
|
|
|
* ACPI 1.0b: 6.4.2.1.1 ASL Macro for IRQ Descriptor
|
|
|
|
*
|
|
|
|
* More verbose description at:
|
|
|
|
* ACPI 5.0: 19.5.64 IRQNoFlags (Interrupt Resource Descriptor Macro)
|
|
|
|
* 6.4.2.1 IRQ Descriptor
|
|
|
|
*/
|
|
|
|
Aml *aml_irq_no_flags(uint8_t irq)
|
|
|
|
{
|
|
|
|
uint16_t irq_mask;
|
|
|
|
Aml *var = aml_alloc();
|
|
|
|
|
|
|
|
assert(irq < 16);
|
|
|
|
build_append_byte(var->buf, 0x22); /* IRQ descriptor 2 byte form */
|
|
|
|
|
|
|
|
irq_mask = 1U << irq;
|
|
|
|
build_append_byte(var->buf, irq_mask & 0xFF); /* IRQ mask bits[7:0] */
|
|
|
|
build_append_byte(var->buf, irq_mask >> 8); /* IRQ mask bits[15:8] */
|
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
2015-05-29 18:28:58 +08:00
|
|
|
/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLNot */
|
|
|
|
Aml *aml_lnot(Aml *arg)
|
|
|
|
{
|
|
|
|
Aml *var = aml_opcode(0x92 /* LNotOp */);
|
|
|
|
aml_append(var, arg);
|
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
2015-02-19 03:14:40 +08:00
|
|
|
/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLEqual */
|
|
|
|
Aml *aml_equal(Aml *arg1, Aml *arg2)
|
|
|
|
{
|
|
|
|
Aml *var = aml_opcode(0x93 /* LequalOp */);
|
|
|
|
aml_append(var, arg1);
|
2015-12-10 07:41:11 +08:00
|
|
|
aml_append(var, arg2);
|
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLGreater */
|
|
|
|
Aml *aml_lgreater(Aml *arg1, Aml *arg2)
|
|
|
|
{
|
|
|
|
Aml *var = aml_opcode(0x94 /* LGreaterOp */);
|
|
|
|
aml_append(var, arg1);
|
2015-02-19 03:14:40 +08:00
|
|
|
aml_append(var, arg2);
|
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
2015-12-10 07:40:58 +08:00
|
|
|
/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLGreaterEqual */
|
|
|
|
Aml *aml_lgreater_equal(Aml *arg1, Aml *arg2)
|
|
|
|
{
|
|
|
|
/* LGreaterEqualOp := LNotOp LLessOp */
|
|
|
|
Aml *var = aml_opcode(0x92 /* LNotOp */);
|
|
|
|
build_append_byte(var->buf, 0x95 /* LLessOp */);
|
|
|
|
aml_append(var, arg1);
|
|
|
|
aml_append(var, arg2);
|
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
2015-02-19 03:14:19 +08:00
|
|
|
/* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefIfElse */
|
|
|
|
Aml *aml_if(Aml *predicate)
|
|
|
|
{
|
|
|
|
Aml *var = aml_bundle(0xA0 /* IfOp */, AML_PACKAGE);
|
|
|
|
aml_append(var, predicate);
|
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
2015-05-29 18:28:58 +08:00
|
|
|
/* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefElse */
|
|
|
|
Aml *aml_else(void)
|
|
|
|
{
|
|
|
|
Aml *var = aml_bundle(0xA1 /* ElseOp */, AML_PACKAGE);
|
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
2015-06-02 19:22:56 +08:00
|
|
|
/* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefWhile */
|
|
|
|
Aml *aml_while(Aml *predicate)
|
|
|
|
{
|
|
|
|
Aml *var = aml_bundle(0xA2 /* WhileOp */, AML_PACKAGE);
|
|
|
|
aml_append(var, predicate);
|
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
2015-02-19 03:14:18 +08:00
|
|
|
/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefMethod */
|
2015-12-17 21:37:13 +08:00
|
|
|
Aml *aml_method(const char *name, int arg_count, AmlSerializeFlag sflag)
|
2015-02-19 03:14:18 +08:00
|
|
|
{
|
|
|
|
Aml *var = aml_bundle(0x14 /* MethodOp */, AML_PACKAGE);
|
2015-12-17 21:37:13 +08:00
|
|
|
int methodflags;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* MethodFlags:
|
|
|
|
* bit 0-2: ArgCount (0-7)
|
|
|
|
* bit 3: SerializeFlag
|
|
|
|
* 0: NotSerialized
|
|
|
|
* 1: Serialized
|
|
|
|
* bit 4-7: reserved (must be 0)
|
|
|
|
*/
|
|
|
|
assert(arg_count < 8);
|
|
|
|
methodflags = arg_count | (sflag << 3);
|
|
|
|
|
2015-02-19 03:14:18 +08:00
|
|
|
build_append_namestring(var->buf, "%s", name);
|
2015-12-17 21:37:13 +08:00
|
|
|
build_append_byte(var->buf, methodflags); /* MethodFlags: ArgCount */
|
2015-02-19 03:14:18 +08:00
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
2015-02-19 03:14:17 +08:00
|
|
|
/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefDevice */
|
|
|
|
Aml *aml_device(const char *name_format, ...)
|
|
|
|
{
|
|
|
|
va_list ap;
|
|
|
|
Aml *var = aml_bundle(0x82 /* DeviceOp */, AML_EXT_PACKAGE);
|
|
|
|
va_start(ap, name_format);
|
|
|
|
build_append_namestringv(var->buf, name_format, ap);
|
|
|
|
va_end(ap);
|
|
|
|
return var;
|
|
|
|
}
|
2015-02-19 03:14:28 +08:00
|
|
|
|
2015-02-19 03:14:31 +08:00
|
|
|
/* ACPI 1.0b: 6.4.1 ASL Macros for Resource Descriptors */
|
|
|
|
Aml *aml_resource_template(void)
|
|
|
|
{
|
|
|
|
/* ResourceTemplate is a buffer of Resources with EndTag at the end */
|
|
|
|
Aml *var = aml_bundle(0x11 /* BufferOp */, AML_RES_TEMPLATE);
|
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
2015-05-29 18:28:57 +08:00
|
|
|
/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefBuffer
|
|
|
|
* Pass byte_list as NULL to request uninitialized buffer to reserve space.
|
|
|
|
*/
|
|
|
|
Aml *aml_buffer(int buffer_size, uint8_t *byte_list)
|
2015-02-19 03:14:30 +08:00
|
|
|
{
|
2015-05-29 18:28:57 +08:00
|
|
|
int i;
|
2015-02-19 03:14:30 +08:00
|
|
|
Aml *var = aml_bundle(0x11 /* BufferOp */, AML_BUFFER);
|
2015-05-29 18:28:57 +08:00
|
|
|
|
|
|
|
for (i = 0; i < buffer_size; i++) {
|
|
|
|
if (byte_list == NULL) {
|
|
|
|
build_append_byte(var->buf, 0x0);
|
|
|
|
} else {
|
|
|
|
build_append_byte(var->buf, byte_list[i]);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2015-02-19 03:14:30 +08:00
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
2015-02-19 03:14:28 +08:00
|
|
|
/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefPackage */
|
|
|
|
Aml *aml_package(uint8_t num_elements)
|
|
|
|
{
|
|
|
|
Aml *var = aml_bundle(0x12 /* PackageOp */, AML_PACKAGE);
|
|
|
|
build_append_byte(var->buf, num_elements);
|
|
|
|
return var;
|
|
|
|
}
|
2015-02-19 03:14:34 +08:00
|
|
|
|
|
|
|
/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefOpRegion */
|
|
|
|
Aml *aml_operation_region(const char *name, AmlRegionSpace rs,
|
|
|
|
uint32_t offset, uint32_t len)
|
|
|
|
{
|
|
|
|
Aml *var = aml_alloc();
|
|
|
|
build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */
|
|
|
|
build_append_byte(var->buf, 0x80); /* OpRegionOp */
|
|
|
|
build_append_namestring(var->buf, "%s", name);
|
|
|
|
build_append_byte(var->buf, rs);
|
|
|
|
build_append_int(var->buf, offset);
|
|
|
|
build_append_int(var->buf, len);
|
|
|
|
return var;
|
|
|
|
}
|
2015-02-19 03:14:35 +08:00
|
|
|
|
|
|
|
/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: NamedField */
|
|
|
|
Aml *aml_named_field(const char *name, unsigned length)
|
|
|
|
{
|
|
|
|
Aml *var = aml_alloc();
|
|
|
|
build_append_nameseg(var->buf, name);
|
|
|
|
build_append_pkg_length(var->buf, length, false);
|
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
2015-02-19 03:14:45 +08:00
|
|
|
/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: ReservedField */
|
|
|
|
Aml *aml_reserved_field(unsigned length)
|
|
|
|
{
|
|
|
|
Aml *var = aml_alloc();
|
|
|
|
/* ReservedField := 0x00 PkgLength */
|
|
|
|
build_append_byte(var->buf, 0x00);
|
|
|
|
build_append_pkg_length(var->buf, length, false);
|
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
2015-02-19 03:14:35 +08:00
|
|
|
/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefField */
|
2015-12-10 07:41:12 +08:00
|
|
|
Aml *aml_field(const char *name, AmlAccessType type, AmlLockRule lock,
|
|
|
|
AmlUpdateRule rule)
|
2015-02-19 03:14:35 +08:00
|
|
|
{
|
|
|
|
Aml *var = aml_bundle(0x81 /* FieldOp */, AML_EXT_PACKAGE);
|
2015-04-27 16:47:19 +08:00
|
|
|
uint8_t flags = rule << 5 | type;
|
|
|
|
|
2015-12-10 07:41:12 +08:00
|
|
|
flags |= lock << 4; /* LockRule at 4 bit offset */
|
|
|
|
|
2015-02-19 03:14:35 +08:00
|
|
|
build_append_namestring(var->buf, "%s", name);
|
|
|
|
build_append_byte(var->buf, flags);
|
|
|
|
return var;
|
|
|
|
}
|
2015-02-19 03:14:36 +08:00
|
|
|
|
2015-12-10 07:41:00 +08:00
|
|
|
static
|
|
|
|
Aml *create_field_common(int opcode, Aml *srcbuf, Aml *index, const char *name)
|
2015-05-29 18:28:58 +08:00
|
|
|
{
|
2015-12-10 07:41:00 +08:00
|
|
|
Aml *var = aml_opcode(opcode);
|
2015-05-29 18:28:58 +08:00
|
|
|
aml_append(var, srcbuf);
|
|
|
|
aml_append(var, index);
|
|
|
|
build_append_namestring(var->buf, "%s", name);
|
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
2015-12-10 07:41:00 +08:00
|
|
|
/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefCreateDWordField */
|
|
|
|
Aml *aml_create_dword_field(Aml *srcbuf, Aml *index, const char *name)
|
|
|
|
{
|
|
|
|
return create_field_common(0x8A /* CreateDWordFieldOp */,
|
|
|
|
srcbuf, index, name);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* ACPI 2.0a: 17.2.4.2 Named Objects Encoding: DefCreateQWordField */
|
|
|
|
Aml *aml_create_qword_field(Aml *srcbuf, Aml *index, const char *name)
|
|
|
|
{
|
|
|
|
return create_field_common(0x8F /* CreateQWordFieldOp */,
|
|
|
|
srcbuf, index, name);
|
|
|
|
}
|
|
|
|
|
2015-02-19 03:14:37 +08:00
|
|
|
/* ACPI 1.0b: 16.2.3 Data Objects Encoding: String */
|
|
|
|
Aml *aml_string(const char *name_format, ...)
|
|
|
|
{
|
|
|
|
Aml *var = aml_opcode(0x0D /* StringPrefix */);
|
2015-05-28 01:55:55 +08:00
|
|
|
va_list ap;
|
2015-02-19 03:14:37 +08:00
|
|
|
char *s;
|
|
|
|
int len;
|
|
|
|
|
|
|
|
va_start(ap, name_format);
|
2015-05-28 01:55:55 +08:00
|
|
|
len = g_vasprintf(&s, name_format, ap);
|
2015-02-19 03:14:37 +08:00
|
|
|
va_end(ap);
|
|
|
|
|
2015-05-28 01:55:55 +08:00
|
|
|
g_array_append_vals(var->buf, s, len + 1);
|
2015-02-19 03:14:37 +08:00
|
|
|
g_free(s);
|
|
|
|
|
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
2015-02-19 03:14:36 +08:00
|
|
|
/* ACPI 1.0b: 16.2.6.2 Local Objects Encoding */
|
|
|
|
Aml *aml_local(int num)
|
|
|
|
{
|
|
|
|
Aml *var;
|
|
|
|
uint8_t op = 0x60 /* Local0Op */ + num;
|
|
|
|
|
|
|
|
assert(num <= 7);
|
|
|
|
var = aml_opcode(op);
|
|
|
|
return var;
|
|
|
|
}
|
2015-02-19 03:14:39 +08:00
|
|
|
|
|
|
|
/* ACPI 2.0a: 17.2.2 Data Objects Encoding: DefVarPackage */
|
|
|
|
Aml *aml_varpackage(uint32_t num_elements)
|
|
|
|
{
|
|
|
|
Aml *var = aml_bundle(0x13 /* VarPackageOp */, AML_PACKAGE);
|
|
|
|
build_append_int(var->buf, num_elements);
|
|
|
|
return var;
|
|
|
|
}
|
2015-02-19 03:14:41 +08:00
|
|
|
|
|
|
|
/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefProcessor */
|
|
|
|
Aml *aml_processor(uint8_t proc_id, uint32_t pblk_addr, uint8_t pblk_len,
|
|
|
|
const char *name_format, ...)
|
|
|
|
{
|
|
|
|
va_list ap;
|
|
|
|
Aml *var = aml_bundle(0x83 /* ProcessorOp */, AML_EXT_PACKAGE);
|
|
|
|
va_start(ap, name_format);
|
|
|
|
build_append_namestringv(var->buf, name_format, ap);
|
|
|
|
va_end(ap);
|
|
|
|
build_append_byte(var->buf, proc_id); /* ProcID */
|
|
|
|
build_append_int_noprefix(var->buf, pblk_addr, sizeof(pblk_addr));
|
|
|
|
build_append_byte(var->buf, pblk_len); /* PblkLen */
|
|
|
|
return var;
|
|
|
|
}
|
2015-02-19 03:14:42 +08:00
|
|
|
|
|
|
|
static uint8_t Hex2Digit(char c)
|
|
|
|
{
|
|
|
|
if (c >= 'A') {
|
|
|
|
return c - 'A' + 10;
|
|
|
|
}
|
|
|
|
|
|
|
|
return c - '0';
|
|
|
|
}
|
|
|
|
|
|
|
|
/* ACPI 1.0b: 15.2.3.6.4.1 EISAID Macro - Convert EISA ID String To Integer */
|
|
|
|
Aml *aml_eisaid(const char *str)
|
|
|
|
{
|
|
|
|
Aml *var = aml_alloc();
|
|
|
|
uint32_t id;
|
|
|
|
|
|
|
|
g_assert(strlen(str) == 7);
|
|
|
|
id = (str[0] - 0x40) << 26 |
|
|
|
|
(str[1] - 0x40) << 21 |
|
|
|
|
(str[2] - 0x40) << 16 |
|
|
|
|
Hex2Digit(str[3]) << 12 |
|
|
|
|
Hex2Digit(str[4]) << 8 |
|
|
|
|
Hex2Digit(str[5]) << 4 |
|
|
|
|
Hex2Digit(str[6]);
|
|
|
|
|
|
|
|
build_append_byte(var->buf, 0x0C); /* DWordPrefix */
|
|
|
|
build_append_int_noprefix(var->buf, bswap32(id), sizeof(id));
|
|
|
|
return var;
|
|
|
|
}
|
2015-02-19 03:14:48 +08:00
|
|
|
|
|
|
|
/* ACPI 1.0b: 6.4.3.5.5 Word Address Space Descriptor: bytes 3-5 */
|
|
|
|
static Aml *aml_as_desc_header(AmlResourceType type, AmlMinFixed min_fixed,
|
|
|
|
AmlMaxFixed max_fixed, AmlDecode dec,
|
|
|
|
uint8_t type_flags)
|
|
|
|
{
|
|
|
|
uint8_t flags = max_fixed | min_fixed | dec;
|
|
|
|
Aml *var = aml_alloc();
|
|
|
|
|
|
|
|
build_append_byte(var->buf, type);
|
|
|
|
build_append_byte(var->buf, flags);
|
|
|
|
build_append_byte(var->buf, type_flags); /* Type Specific Flags */
|
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* ACPI 1.0b: 6.4.3.5.5 Word Address Space Descriptor */
|
|
|
|
static Aml *aml_word_as_desc(AmlResourceType type, AmlMinFixed min_fixed,
|
|
|
|
AmlMaxFixed max_fixed, AmlDecode dec,
|
|
|
|
uint16_t addr_gran, uint16_t addr_min,
|
|
|
|
uint16_t addr_max, uint16_t addr_trans,
|
|
|
|
uint16_t len, uint8_t type_flags)
|
|
|
|
{
|
|
|
|
Aml *var = aml_alloc();
|
|
|
|
|
|
|
|
build_append_byte(var->buf, 0x88); /* Word Address Space Descriptor */
|
|
|
|
/* minimum length since we do not encode optional fields */
|
|
|
|
build_append_byte(var->buf, 0x0D);
|
|
|
|
build_append_byte(var->buf, 0x0);
|
|
|
|
|
|
|
|
aml_append(var,
|
|
|
|
aml_as_desc_header(type, min_fixed, max_fixed, dec, type_flags));
|
|
|
|
build_append_int_noprefix(var->buf, addr_gran, sizeof(addr_gran));
|
|
|
|
build_append_int_noprefix(var->buf, addr_min, sizeof(addr_min));
|
|
|
|
build_append_int_noprefix(var->buf, addr_max, sizeof(addr_max));
|
|
|
|
build_append_int_noprefix(var->buf, addr_trans, sizeof(addr_trans));
|
|
|
|
build_append_int_noprefix(var->buf, len, sizeof(len));
|
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* ACPI 1.0b: 6.4.3.5.3 DWord Address Space Descriptor */
|
|
|
|
static Aml *aml_dword_as_desc(AmlResourceType type, AmlMinFixed min_fixed,
|
|
|
|
AmlMaxFixed max_fixed, AmlDecode dec,
|
|
|
|
uint32_t addr_gran, uint32_t addr_min,
|
|
|
|
uint32_t addr_max, uint32_t addr_trans,
|
|
|
|
uint32_t len, uint8_t type_flags)
|
|
|
|
{
|
|
|
|
Aml *var = aml_alloc();
|
|
|
|
|
|
|
|
build_append_byte(var->buf, 0x87); /* DWord Address Space Descriptor */
|
|
|
|
/* minimum length since we do not encode optional fields */
|
|
|
|
build_append_byte(var->buf, 23);
|
|
|
|
build_append_byte(var->buf, 0x0);
|
|
|
|
|
|
|
|
|
|
|
|
aml_append(var,
|
|
|
|
aml_as_desc_header(type, min_fixed, max_fixed, dec, type_flags));
|
|
|
|
build_append_int_noprefix(var->buf, addr_gran, sizeof(addr_gran));
|
|
|
|
build_append_int_noprefix(var->buf, addr_min, sizeof(addr_min));
|
|
|
|
build_append_int_noprefix(var->buf, addr_max, sizeof(addr_max));
|
|
|
|
build_append_int_noprefix(var->buf, addr_trans, sizeof(addr_trans));
|
|
|
|
build_append_int_noprefix(var->buf, len, sizeof(len));
|
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* ACPI 1.0b: 6.4.3.5.1 QWord Address Space Descriptor */
|
|
|
|
static Aml *aml_qword_as_desc(AmlResourceType type, AmlMinFixed min_fixed,
|
|
|
|
AmlMaxFixed max_fixed, AmlDecode dec,
|
|
|
|
uint64_t addr_gran, uint64_t addr_min,
|
|
|
|
uint64_t addr_max, uint64_t addr_trans,
|
|
|
|
uint64_t len, uint8_t type_flags)
|
|
|
|
{
|
|
|
|
Aml *var = aml_alloc();
|
|
|
|
|
|
|
|
build_append_byte(var->buf, 0x8A); /* QWord Address Space Descriptor */
|
|
|
|
/* minimum length since we do not encode optional fields */
|
|
|
|
build_append_byte(var->buf, 0x2B);
|
|
|
|
build_append_byte(var->buf, 0x0);
|
|
|
|
|
|
|
|
aml_append(var,
|
|
|
|
aml_as_desc_header(type, min_fixed, max_fixed, dec, type_flags));
|
|
|
|
build_append_int_noprefix(var->buf, addr_gran, sizeof(addr_gran));
|
|
|
|
build_append_int_noprefix(var->buf, addr_min, sizeof(addr_min));
|
|
|
|
build_append_int_noprefix(var->buf, addr_max, sizeof(addr_max));
|
|
|
|
build_append_int_noprefix(var->buf, addr_trans, sizeof(addr_trans));
|
|
|
|
build_append_int_noprefix(var->buf, len, sizeof(len));
|
|
|
|
return var;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* ACPI 1.0b: 6.4.3.5.6 ASL Macros for WORD Address Descriptor
|
|
|
|
*
|
|
|
|
* More verbose description at:
|
|
|
|
* ACPI 5.0: 19.5.141 WordBusNumber (Word Bus Number Resource Descriptor Macro)
|
|
|
|
*/
|
|
|
|
Aml *aml_word_bus_number(AmlMinFixed min_fixed, AmlMaxFixed max_fixed,
|
|
|
|
AmlDecode dec, uint16_t addr_gran,
|
|
|
|
uint16_t addr_min, uint16_t addr_max,
|
|
|
|
uint16_t addr_trans, uint16_t len)
|
|
|
|
|
|
|
|
{
|
2015-05-29 18:28:54 +08:00
|
|
|
return aml_word_as_desc(AML_BUS_NUMBER_RANGE, min_fixed, max_fixed, dec,
|
2015-02-19 03:14:48 +08:00
|
|
|
addr_gran, addr_min, addr_max, addr_trans, len, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* ACPI 1.0b: 6.4.3.5.6 ASL Macros for WORD Address Descriptor
|
|
|
|
*
|
|
|
|
* More verbose description at:
|
|
|
|
* ACPI 5.0: 19.5.142 WordIO (Word IO Resource Descriptor Macro)
|
|
|
|
*/
|
|
|
|
Aml *aml_word_io(AmlMinFixed min_fixed, AmlMaxFixed max_fixed,
|
|
|
|
AmlDecode dec, AmlISARanges isa_ranges,
|
|
|
|
uint16_t addr_gran, uint16_t addr_min,
|
|
|
|
uint16_t addr_max, uint16_t addr_trans,
|
|
|
|
uint16_t len)
|
|
|
|
|
|
|
|
{
|
2015-05-29 18:28:54 +08:00
|
|
|
return aml_word_as_desc(AML_IO_RANGE, min_fixed, max_fixed, dec,
|
2015-02-19 03:14:48 +08:00
|
|
|
addr_gran, addr_min, addr_max, addr_trans, len,
|
|
|
|
isa_ranges);
|
|
|
|
}
|
|
|
|
|
2015-05-29 18:28:58 +08:00
|
|
|
/*
|
|
|
|
* ACPI 1.0b: 6.4.3.5.4 ASL Macros for DWORD Address Descriptor
|
|
|
|
*
|
|
|
|
* More verbose description at:
|
|
|
|
* ACPI 5.0: 19.5.33 DWordIO (DWord IO Resource Descriptor Macro)
|
|
|
|
*/
|
|
|
|
Aml *aml_dword_io(AmlMinFixed min_fixed, AmlMaxFixed max_fixed,
|
|
|
|
AmlDecode dec, AmlISARanges isa_ranges,
|
|
|
|
uint32_t addr_gran, uint32_t addr_min,
|
|
|
|
uint32_t addr_max, uint32_t addr_trans,
|
|
|
|
uint32_t len)
|
|
|
|
|
|
|
|
{
|
|
|
|
return aml_dword_as_desc(AML_IO_RANGE, min_fixed, max_fixed, dec,
|
|
|
|
addr_gran, addr_min, addr_max, addr_trans, len,
|
|
|
|
isa_ranges);
|
|
|
|
}
|
|
|
|
|
2015-02-19 03:14:48 +08:00
|
|
|
/*
|
|
|
|
* ACPI 1.0b: 6.4.3.5.4 ASL Macros for DWORD Address Space Descriptor
|
|
|
|
*
|
|
|
|
* More verbose description at:
|
|
|
|
* ACPI 5.0: 19.5.34 DWordMemory (DWord Memory Resource Descriptor Macro)
|
|
|
|
*/
|
|
|
|
Aml *aml_dword_memory(AmlDecode dec, AmlMinFixed min_fixed,
|
2015-05-29 18:28:54 +08:00
|
|
|
AmlMaxFixed max_fixed, AmlCacheable cacheable,
|
2015-02-19 03:14:48 +08:00
|
|
|
AmlReadAndWrite read_and_write,
|
|
|
|
uint32_t addr_gran, uint32_t addr_min,
|
|
|
|
uint32_t addr_max, uint32_t addr_trans,
|
|
|
|
uint32_t len)
|
|
|
|
{
|
|
|
|
uint8_t flags = read_and_write | (cacheable << 1);
|
|
|
|
|
2015-05-29 18:28:54 +08:00
|
|
|
return aml_dword_as_desc(AML_MEMORY_RANGE, min_fixed, max_fixed,
|
2015-02-19 03:14:48 +08:00
|
|
|
dec, addr_gran, addr_min, addr_max,
|
|
|
|
addr_trans, len, flags);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* ACPI 1.0b: 6.4.3.5.2 ASL Macros for QWORD Address Space Descriptor
|
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*
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* More verbose description at:
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* ACPI 5.0: 19.5.102 QWordMemory (QWord Memory Resource Descriptor Macro)
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*/
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Aml *aml_qword_memory(AmlDecode dec, AmlMinFixed min_fixed,
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2015-05-29 18:28:54 +08:00
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AmlMaxFixed max_fixed, AmlCacheable cacheable,
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2015-02-19 03:14:48 +08:00
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AmlReadAndWrite read_and_write,
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uint64_t addr_gran, uint64_t addr_min,
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uint64_t addr_max, uint64_t addr_trans,
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uint64_t len)
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{
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uint8_t flags = read_and_write | (cacheable << 1);
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2015-05-29 18:28:54 +08:00
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return aml_qword_as_desc(AML_MEMORY_RANGE, min_fixed, max_fixed,
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2015-02-19 03:14:48 +08:00
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dec, addr_gran, addr_min, addr_max,
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addr_trans, len, flags);
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}
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2015-04-03 18:03:34 +08:00
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2015-12-10 07:41:15 +08:00
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/* ACPI 1.0b: 6.4.2.2 DMA Format/6.4.2.2.1 ASL Macro for DMA Descriptor */
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Aml *aml_dma(AmlDmaType typ, AmlDmaBusMaster bm, AmlTransferSize sz,
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uint8_t channel)
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{
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Aml *var = aml_alloc();
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uint8_t flags = sz | bm << 2 | typ << 5;
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assert(channel < 8);
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build_append_byte(var->buf, 0x2A); /* Byte 0: DMA Descriptor */
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build_append_byte(var->buf, 1U << channel); /* Byte 1: _DMA - DmaChannel */
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build_append_byte(var->buf, flags); /* Byte 2 */
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return var;
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}
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2015-12-10 07:41:08 +08:00
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/* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefSleep */
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Aml *aml_sleep(uint64_t msec)
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{
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Aml *var = aml_alloc();
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build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */
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build_append_byte(var->buf, 0x22); /* SleepOp */
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aml_append(var, aml_int(msec));
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return var;
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}
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2015-05-29 18:28:57 +08:00
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static uint8_t Hex2Byte(const char *src)
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{
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int hi, lo;
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hi = Hex2Digit(src[0]);
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assert(hi >= 0);
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assert(hi <= 15);
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lo = Hex2Digit(src[1]);
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assert(lo >= 0);
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assert(lo <= 15);
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return (hi << 4) | lo;
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}
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/*
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* ACPI 3.0: 17.5.124 ToUUID (Convert String to UUID Macro)
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* e.g. UUID: aabbccdd-eeff-gghh-iijj-kkllmmnnoopp
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* call aml_touuid("aabbccdd-eeff-gghh-iijj-kkllmmnnoopp");
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*/
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Aml *aml_touuid(const char *uuid)
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{
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Aml *var = aml_bundle(0x11 /* BufferOp */, AML_BUFFER);
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assert(strlen(uuid) == 36);
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assert(uuid[8] == '-');
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assert(uuid[13] == '-');
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assert(uuid[18] == '-');
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assert(uuid[23] == '-');
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build_append_byte(var->buf, Hex2Byte(uuid + 6)); /* dd - at offset 00 */
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build_append_byte(var->buf, Hex2Byte(uuid + 4)); /* cc - at offset 01 */
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build_append_byte(var->buf, Hex2Byte(uuid + 2)); /* bb - at offset 02 */
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build_append_byte(var->buf, Hex2Byte(uuid + 0)); /* aa - at offset 03 */
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build_append_byte(var->buf, Hex2Byte(uuid + 11)); /* ff - at offset 04 */
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build_append_byte(var->buf, Hex2Byte(uuid + 9)); /* ee - at offset 05 */
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build_append_byte(var->buf, Hex2Byte(uuid + 16)); /* hh - at offset 06 */
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build_append_byte(var->buf, Hex2Byte(uuid + 14)); /* gg - at offset 07 */
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build_append_byte(var->buf, Hex2Byte(uuid + 19)); /* ii - at offset 08 */
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build_append_byte(var->buf, Hex2Byte(uuid + 21)); /* jj - at offset 09 */
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build_append_byte(var->buf, Hex2Byte(uuid + 24)); /* kk - at offset 10 */
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build_append_byte(var->buf, Hex2Byte(uuid + 26)); /* ll - at offset 11 */
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build_append_byte(var->buf, Hex2Byte(uuid + 28)); /* mm - at offset 12 */
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build_append_byte(var->buf, Hex2Byte(uuid + 30)); /* nn - at offset 13 */
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build_append_byte(var->buf, Hex2Byte(uuid + 32)); /* oo - at offset 14 */
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build_append_byte(var->buf, Hex2Byte(uuid + 34)); /* pp - at offset 15 */
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return var;
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}
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2015-05-29 18:28:59 +08:00
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/*
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* ACPI 2.0b: 16.2.3.6.4.3 Unicode Macro (Convert Ascii String To Unicode)
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*/
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Aml *aml_unicode(const char *str)
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{
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int i = 0;
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Aml *var = aml_bundle(0x11 /* BufferOp */, AML_BUFFER);
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do {
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build_append_byte(var->buf, str[i]);
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build_append_byte(var->buf, 0);
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i++;
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} while (i <= strlen(str));
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return var;
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}
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2015-12-10 07:40:56 +08:00
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/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefDerefOf */
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Aml *aml_derefof(Aml *arg)
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{
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Aml *var = aml_opcode(0x83 /* DerefOfOp */);
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aml_append(var, arg);
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return var;
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}
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2015-12-10 07:40:57 +08:00
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/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefSizeOf */
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Aml *aml_sizeof(Aml *arg)
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{
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Aml *var = aml_opcode(0x87 /* SizeOfOp */);
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aml_append(var, arg);
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return var;
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}
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2015-12-10 07:40:59 +08:00
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/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefMutex */
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Aml *aml_mutex(const char *name, uint8_t sync_level)
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{
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Aml *var = aml_alloc();
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build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */
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build_append_byte(var->buf, 0x01); /* MutexOp */
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build_append_namestring(var->buf, "%s", name);
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assert(!(sync_level & 0xF0));
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build_append_byte(var->buf, sync_level);
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return var;
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}
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/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefAcquire */
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Aml *aml_acquire(Aml *mutex, uint16_t timeout)
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{
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Aml *var = aml_alloc();
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build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */
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build_append_byte(var->buf, 0x23); /* AcquireOp */
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aml_append(var, mutex);
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build_append_int_noprefix(var->buf, timeout, sizeof(timeout));
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return var;
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}
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/* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefRelease */
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Aml *aml_release(Aml *mutex)
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{
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Aml *var = aml_alloc();
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build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */
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build_append_byte(var->buf, 0x27); /* ReleaseOp */
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aml_append(var, mutex);
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return var;
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}
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2015-12-10 07:41:07 +08:00
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/* ACPI 1.0b: 16.2.5.1 Name Space Modifier Objects Encoding: DefAlias */
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Aml *aml_alias(const char *source_object, const char *alias_object)
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{
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Aml *var = aml_opcode(0x06 /* AliasOp */);
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aml_append(var, aml_name("%s", source_object));
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aml_append(var, aml_name("%s", alias_object));
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return var;
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}
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2015-04-03 18:03:34 +08:00
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void
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build_header(GArray *linker, GArray *table_data,
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2015-12-02 15:20:57 +08:00
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AcpiTableHeader *h, const char *sig, int len, uint8_t rev,
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const char *oem_table_id)
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2015-04-03 18:03:34 +08:00
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{
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memcpy(&h->signature, sig, 4);
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h->length = cpu_to_le32(len);
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h->revision = rev;
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memcpy(h->oem_id, ACPI_BUILD_APPNAME6, 6);
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2015-12-02 15:20:57 +08:00
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if (oem_table_id) {
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strncpy((char *)h->oem_table_id, oem_table_id, sizeof(h->oem_table_id));
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} else {
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memcpy(h->oem_table_id, ACPI_BUILD_APPNAME4, 4);
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memcpy(h->oem_table_id + 4, sig, 4);
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}
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2015-04-03 18:03:34 +08:00
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h->oem_revision = cpu_to_le32(1);
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memcpy(h->asl_compiler_id, ACPI_BUILD_APPNAME4, 4);
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h->asl_compiler_revision = cpu_to_le32(1);
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h->checksum = 0;
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/* Checksum to be filled in by Guest linker */
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bios_linker_loader_add_checksum(linker, ACPI_BUILD_TABLE_FILE,
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table_data->data, h, len, &h->checksum);
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}
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void *acpi_data_push(GArray *table_data, unsigned size)
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{
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unsigned off = table_data->len;
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g_array_set_size(table_data, off + size);
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return table_data->data + off;
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}
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unsigned acpi_data_len(GArray *table)
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{
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assert(g_array_get_element_size(table) == 1);
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return table->len;
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}
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void acpi_add_table(GArray *table_offsets, GArray *table_data)
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{
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uint32_t offset = cpu_to_le32(table_data->len);
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g_array_append_val(table_offsets, offset);
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}
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void acpi_build_tables_init(AcpiBuildTables *tables)
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{
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tables->rsdp = g_array_new(false, true /* clear */, 1);
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tables->table_data = g_array_new(false, true /* clear */, 1);
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tables->tcpalog = g_array_new(false, true /* clear */, 1);
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tables->linker = bios_linker_loader_init();
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}
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void acpi_build_tables_cleanup(AcpiBuildTables *tables, bool mfre)
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{
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void *linker_data = bios_linker_loader_cleanup(tables->linker);
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g_free(linker_data);
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g_array_free(tables->rsdp, true);
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g_array_free(tables->table_data, true);
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g_array_free(tables->tcpalog, mfre);
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}
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2015-05-29 18:28:56 +08:00
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/* Build rsdt table */
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void
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build_rsdt(GArray *table_data, GArray *linker, GArray *table_offsets)
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{
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AcpiRsdtDescriptorRev1 *rsdt;
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size_t rsdt_len;
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int i;
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const int table_data_len = (sizeof(uint32_t) * table_offsets->len);
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rsdt_len = sizeof(*rsdt) + table_data_len;
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rsdt = acpi_data_push(table_data, rsdt_len);
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memcpy(rsdt->table_offset_entry, table_offsets->data, table_data_len);
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for (i = 0; i < table_offsets->len; ++i) {
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/* rsdt->table_offset_entry to be filled by Guest linker */
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bios_linker_loader_add_pointer(linker,
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ACPI_BUILD_TABLE_FILE,
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ACPI_BUILD_TABLE_FILE,
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table_data, &rsdt->table_offset_entry[i],
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sizeof(uint32_t));
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}
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build_header(linker, table_data,
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2015-12-02 15:20:57 +08:00
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(void *)rsdt, "RSDT", rsdt_len, 1, NULL);
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2015-05-29 18:28:56 +08:00
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}
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