/* * Utilities for working with ACPI tables * * Copyright (c) 2013 Red Hat Inc. * * Authors: * Michael S. Tsirkin <mst@redhat.com>, * * This work is licensed under the terms of the GNU GPL, version 2 or later. * See the COPYING file in the top-level directory. */ #ifndef TEST_ACPI_UTILS_H #define TEST_ACPI_UTILS_H #include "hw/acpi/acpi-defs.h" #include "libqtest.h" /* DSDT and SSDTs format */ typedef struct { AcpiTableHeader header; gchar *aml; /* aml bytecode from guest */ gsize aml_len; gchar *aml_file; gchar *asl; /* asl code generated from aml */ gsize asl_len; gchar *asl_file; bool tmp_files_retain; /* do not delete the temp asl/aml */ } AcpiSdtTable; #define ACPI_READ_FIELD(field, addr) \ do { \ switch (sizeof(field)) { \ case 1: \ field = readb(addr); \ break; \ case 2: \ field = readw(addr); \ break; \ case 4: \ field = readl(addr); \ break; \ case 8: \ field = readq(addr); \ break; \ default: \ g_assert(false); \ } \ addr += sizeof(field); \ } while (0); #define ACPI_READ_ARRAY_PTR(arr, length, addr) \ do { \ int idx; \ for (idx = 0; idx < length; ++idx) { \ ACPI_READ_FIELD(arr[idx], addr); \ } \ } while (0); #define ACPI_READ_ARRAY(arr, addr) \ ACPI_READ_ARRAY_PTR(arr, sizeof(arr) / sizeof(arr[0]), addr) #define ACPI_READ_TABLE_HEADER(table, addr) \ do { \ ACPI_READ_FIELD((table)->signature, addr); \ ACPI_READ_FIELD((table)->length, addr); \ ACPI_READ_FIELD((table)->revision, addr); \ ACPI_READ_FIELD((table)->checksum, addr); \ ACPI_READ_ARRAY((table)->oem_id, addr); \ ACPI_READ_ARRAY((table)->oem_table_id, addr); \ ACPI_READ_FIELD((table)->oem_revision, addr); \ ACPI_READ_ARRAY((table)->asl_compiler_id, addr); \ ACPI_READ_FIELD((table)->asl_compiler_revision, addr); \ } while (0); #define ACPI_ASSERT_CMP(actual, expected) do { \ uint32_t ACPI_ASSERT_CMP_le = cpu_to_le32(actual); \ char ACPI_ASSERT_CMP_str[5] = {}; \ memcpy(ACPI_ASSERT_CMP_str, &ACPI_ASSERT_CMP_le, 4); \ g_assert_cmpstr(ACPI_ASSERT_CMP_str, ==, expected); \ } while (0) #define ACPI_ASSERT_CMP64(actual, expected) do { \ uint64_t ACPI_ASSERT_CMP_le = cpu_to_le64(actual); \ char ACPI_ASSERT_CMP_str[9] = {}; \ memcpy(ACPI_ASSERT_CMP_str, &ACPI_ASSERT_CMP_le, 8); \ g_assert_cmpstr(ACPI_ASSERT_CMP_str, ==, expected); \ } while (0) #define ACPI_READ_GENERIC_ADDRESS(field, addr) \ do { \ ACPI_READ_FIELD((field).space_id, addr); \ ACPI_READ_FIELD((field).bit_width, addr); \ ACPI_READ_FIELD((field).bit_offset, addr); \ ACPI_READ_FIELD((field).access_width, addr); \ ACPI_READ_FIELD((field).address, addr); \ } while (0); uint8_t acpi_calc_checksum(const uint8_t *data, int len); uint32_t acpi_find_rsdp_address(void); void acpi_parse_rsdp_table(uint32_t addr, AcpiRsdpDescriptor *rsdp_table); #endif /* TEST_ACPI_UTILS_H */