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| author | Igor Mammedov <imammedo@redhat.com> | 2021-09-24 08:28:00 -0400 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2021-10-05 17:30:57 -0400 |
| commit | cf68410bc98914ee9be5cb5a127a1212056ab83a (patch) | |
| tree | a0964c466cc281e0f82f5e1def893e65388e7a9b /hw | |
| parent | 41041e57085a9454c45a6a751babfca70306f361 (diff) | |
| download | qemu-cf68410bc98914ee9be5cb5a127a1212056ab83a.zip qemu-cf68410bc98914ee9be5cb5a127a1212056ab83a.tar.gz qemu-cf68410bc98914ee9be5cb5a127a1212056ab83a.tar.bz2 | |
acpi: build_facs: use build_append_int_noprefix() API to compose table
Drop usage of packed structures and explicit endian
conversions when building table and use endian agnostic
build_append_int_noprefix() API to build it.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-Id: <20210924122802.1455362-34-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/i386/acpi-build.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index d9e2b5d..81418b7 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -345,13 +345,23 @@ static void acpi_align_size(GArray *blob, unsigned align) g_array_set_size(blob, ROUND_UP(acpi_data_len(blob), align)); } -/* FACS */ +/* + * ACPI spec 1.0b, + * 5.2.6 Firmware ACPI Control Structure + */ static void build_facs(GArray *table_data) { - AcpiFacsDescriptorRev1 *facs = acpi_data_push(table_data, sizeof *facs); - memcpy(&facs->signature, "FACS", 4); - facs->length = cpu_to_le32(sizeof(*facs)); + const char *sig = "FACS"; + const uint8_t reserved[40] = {}; + + g_array_append_vals(table_data, sig, 4); /* Signature */ + build_append_int_noprefix(table_data, 64, 4); /* Length */ + build_append_int_noprefix(table_data, 0, 4); /* Hardware Signature */ + build_append_int_noprefix(table_data, 0, 4); /* Firmware Waking Vector */ + build_append_int_noprefix(table_data, 0, 4); /* Global Lock */ + build_append_int_noprefix(table_data, 0, 4); /* Flags */ + g_array_append_vals(table_data, reserved, 40); /* Reserved */ } static void build_append_pcihp_notify_entry(Aml *method, int slot) |