Merge remote-tracking branch 'remotes/jsnow-gitlab/tags/python-pull-request' into...
[qemu.git] / hw / acpi / utils.c
1 /*
2 * Utilities for generating ACPI tables and passing them to Guests
3 *
4 * Copyright (C) 2019 Intel Corporation
5 * Copyright (C) 2019 Red Hat Inc
6 *
7 * Author: Wei Yang <richardw.yang@linux.intel.com>
8 * Author: Michael S. Tsirkin <mst@redhat.com>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19
20 * You should have received a copy of the GNU General Public License along
21 * with this program; if not, see <http://www.gnu.org/licenses/>.
22 */
23
24 #include "qemu/osdep.h"
25 #include "hw/acpi/aml-build.h"
26 #include "hw/acpi/utils.h"
27 #include "hw/loader.h"
28
29 MemoryRegion *acpi_add_rom_blob(FWCfgCallback update, void *opaque,
30 GArray *blob, const char *name)
31 {
32 uint64_t max_size;
33
34 /* Reserve RAM space for tables: add another order of magnitude. */
35 if (!strcmp(name, ACPI_BUILD_TABLE_FILE)) {
36 max_size = 0x200000;
37 } else if (!strcmp(name, ACPI_BUILD_LOADER_FILE)) {
38 max_size = 0x10000;
39 } else if (!strcmp(name, ACPI_BUILD_RSDP_FILE)) {
40 max_size = 0x1000;
41 } else {
42 g_assert_not_reached();
43 }
44 g_assert(acpi_data_len(blob) <= max_size);
45
46 return rom_add_blob(name, blob->data, acpi_data_len(blob), max_size, -1,
47 name, update, opaque, NULL, true);
48 }