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/*
* 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 */
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