hv: use __packed for all ACPI related structs
All tables and structs must be byte packed to match ACPI
specification, also use __packed in place of __attribute__((packed))
@@ -46,7 +46,7 @@ struct packed_gas {
uint8_t bit_offset;
uint8_t access_size;
uint64_t address;
-} __attribute__((packed));
+} __packed;
struct acpi_table_header {
/* ASCII table signature */
@@ -67,7 +67,7 @@ struct acpi_table_header {
char asl_compiler_id[4];
/* ASL compiler version */
uint32_t asl_compiler_revision;
-};
+} __packed;
struct acpi_table_rsdp {
/* ACPI signature, contains "RSD PTR " */
@@ -88,7 +88,7 @@ struct acpi_table_rsdp {
uint8_t extended_checksum;
/* Reserved, must be zero */
uint8_t reserved[3];
-};
+} __packed;
struct acpi_table_rsdt {
/* Common ACPI table header */
@@ -110,12 +110,12 @@ struct acpi_table_madt {
/* Physical address of local APIC */
uint32_t address;
uint32_t flags;
-};
+} __packed;
struct acpi_subtable_header {
uint8_t type;
uint8_t length;
-};
+} __packed;
struct acpi_madt_local_apic {
struct acpi_subtable_header header;
@@ -124,7 +124,7 @@ struct acpi_madt_local_apic {
/* Processor's local APIC id */
uint8_t id;
uint32_t lapic_flags;
-};
+} __packed;
struct acpi_madt_ioapic {
struct acpi_subtable_header header;
@@ -133,7 +133,7 @@ struct acpi_madt_ioapic {
uint8_t rsvd;
uint32_t addr;
uint32_t gsi_base;
-};
+} __packed;
enum acpi_dmar_type {
ACPI_DMAR_TYPE_HARDWARE_UNIT = 0,
@@ -151,13 +151,13 @@ struct acpi_table_dmar {
uint8_t width;
uint8_t flags;
uint8_t reserved[10];
-};
+} __packed;
/* DMAR subtable header */
struct acpi_dmar_header {
uint16_t type;
uint16_t length;
-};
+} __packed;
struct acpi_dmar_hardware_unit {
struct acpi_dmar_header header;
@@ -166,12 +166,12 @@ struct acpi_dmar_hardware_unit {
uint16_t segment;
/* register base address */
uint64_t address;
-};
+} __packed;
struct acpi_dmar_pci_path {
uint8_t device;
uint8_t function;
-};
+} __packed;
struct acpi_dmar_device_scope {
uint8_t entry_type;
@@ -179,7 +179,7 @@ struct acpi_dmar_device_scope {
uint16_t reserved;
uint8_t enumeration_id;
uint8_t bus;
-};
+} __packed;
void *get_acpi_tbl(const char *signature);
