utils.c (1713B)
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 }