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Diffstat (limited to 'tests/acpi-utils.h')
-rw-r--r-- | tests/acpi-utils.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/tests/acpi-utils.h b/tests/acpi-utils.h new file mode 100644 index 0000000000..9f9a2d532c --- /dev/null +++ b/tests/acpi-utils.h @@ -0,0 +1,94 @@ +/* + * 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 */ +} QEMU_PACKED 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) + +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 */ |