@@ -146,6 +146,31 @@ static void acpi_dsdt_add_virtio(Aml *scope, const MemMap *virtio_mmio_memmap,
}
}
+/* FADT */
+static void
+build_fadt(GArray *table_data, GArray *linker, unsigned dsdt)
+{
+ AcpiFadtDescriptorRev5_1 *fadt = acpi_data_push(table_data, sizeof(*fadt));
+
+ /* Hardware Reduced = 1 and use PSCI 0.2+ and with HVC */
+ fadt->flags = cpu_to_le32(1 << ACPI_FADT_F_HW_REDUCED_ACPI);
+ fadt->arm_boot_flags = cpu_to_le16((1 << ACPI_FADT_ARM_USE_PSCI_G_0_2) |
+ (1 << ACPI_FADT_ARM_PSCI_USE_HVC));
+
+ /* ACPI v5.1 (fadt->revision.fadt->minor_revision) */
+ fadt->minor_revision = 0x1;
+
+ fadt->dsdt = cpu_to_le32(dsdt);
+ /* DSDT address to be filled by Guest linker */
+ bios_linker_loader_add_pointer(linker, ACPI_BUILD_TABLE_FILE,
+ ACPI_BUILD_TABLE_FILE,
+ table_data, &fadt->dsdt,
+ sizeof fadt->dsdt);
+
+ build_header(linker, table_data,
+ (void *)fadt, "FACP", sizeof(*fadt), 5);
+}
+
/* DSDT */
static void
build_dsdt(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info)
@@ -189,6 +214,7 @@ static
void virt_acpi_build(VirtGuestInfo *guest_info, AcpiBuildTables *tables)
{
GArray *table_offsets;
+ unsigned dsdt;
GArray *tables_blob = tables->table_data;
table_offsets = g_array_new(false, true /* clear */,
@@ -208,8 +234,13 @@ void virt_acpi_build(VirtGuestInfo *guest_info, AcpiBuildTables *tables)
*/
/* DSDT is pointed to by FADT */
+ dsdt = tables_blob->len;
build_dsdt(tables_blob, tables->linker, guest_info);
+ /* FADT MADT GTDT pointed to by RSDT */
+ acpi_add_table(table_offsets, tables_blob);
+ build_fadt(tables_blob, tables->linker, dsdt);
+
/* Cleanup memory that's no longer used. */
g_array_free(table_offsets, true);
}
@@ -88,46 +88,49 @@ struct AcpiTableHeader /* ACPI common table header */
typedef struct AcpiTableHeader AcpiTableHeader;
/*
- * ACPI 1.0 Fixed ACPI Description Table (FADT)
+ * ACPI Fixed ACPI Description Table (FADT)
*/
+#define ACPI_FADT_COMMON_DEF /* FADT common definition */ \
+ ACPI_TABLE_HEADER_DEF /* ACPI common table header */ \
+ uint32_t firmware_ctrl; /* Physical address of FACS */ \
+ uint32_t dsdt; /* Physical address of DSDT */ \
+ uint8_t model; /* System Interrupt Model */ \
+ uint8_t reserved1; /* Reserved */ \
+ uint16_t sci_int; /* System vector of SCI interrupt */ \
+ uint32_t smi_cmd; /* Port address of SMI command port */ \
+ uint8_t acpi_enable; /* Value to write to smi_cmd to enable ACPI */ \
+ uint8_t acpi_disable; /* Value to write to smi_cmd to disable ACPI */ \
+ uint8_t S4bios_req; /* Value to write to SMI CMD to enter S4BIOS state */ \
+ uint8_t reserved2; /* Reserved - must be zero */ \
+ uint32_t pm1a_evt_blk; /* Port address of Power Mgt 1a acpi_event Reg Blk */ \
+ uint32_t pm1b_evt_blk; /* Port address of Power Mgt 1b acpi_event Reg Blk */ \
+ uint32_t pm1a_cnt_blk; /* Port address of Power Mgt 1a Control Reg Blk */ \
+ uint32_t pm1b_cnt_blk; /* Port address of Power Mgt 1b Control Reg Blk */ \
+ uint32_t pm2_cnt_blk; /* Port address of Power Mgt 2 Control Reg Blk */ \
+ uint32_t pm_tmr_blk; /* Port address of Power Mgt Timer Ctrl Reg Blk */ \
+ uint32_t gpe0_blk; /* Port addr of General Purpose acpi_event 0 Reg Blk */ \
+ uint32_t gpe1_blk; /* Port addr of General Purpose acpi_event 1 Reg Blk */ \
+ uint8_t pm1_evt_len; /* Byte length of ports at pm1_x_evt_blk */ \
+ uint8_t pm1_cnt_len; /* Byte length of ports at pm1_x_cnt_blk */ \
+ uint8_t pm2_cnt_len; /* Byte Length of ports at pm2_cnt_blk */ \
+ uint8_t pm_tmr_len; /* Byte Length of ports at pm_tm_blk */ \
+ uint8_t gpe0_blk_len; /* Byte Length of ports at gpe0_blk */ \
+ uint8_t gpe1_blk_len; /* Byte Length of ports at gpe1_blk */ \
+ uint8_t gpe1_base; /* Offset in gpe model where gpe1 events start */ \
+ uint8_t reserved3; /* Reserved */ \
+ uint16_t plvl2_lat; /* Worst case HW latency to enter/exit C2 state */ \
+ uint16_t plvl3_lat; /* Worst case HW latency to enter/exit C3 state */ \
+ uint16_t flush_size; /* Size of area read to flush caches */ \
+ uint16_t flush_stride; /* Stride used in flushing caches */ \
+ uint8_t duty_offset; /* Bit location of duty cycle field in p_cnt reg */ \
+ uint8_t duty_width; /* Bit width of duty cycle field in p_cnt reg */ \
+ uint8_t day_alrm; /* Index to day-of-month alarm in RTC CMOS RAM */ \
+ uint8_t mon_alrm; /* Index to month-of-year alarm in RTC CMOS RAM */ \
+ uint8_t century; /* Index to century in RTC CMOS RAM */
+
struct AcpiFadtDescriptorRev1
{
- ACPI_TABLE_HEADER_DEF /* ACPI common table header */
- uint32_t firmware_ctrl; /* Physical address of FACS */
- uint32_t dsdt; /* Physical address of DSDT */
- uint8_t model; /* System Interrupt Model */
- uint8_t reserved1; /* Reserved */
- uint16_t sci_int; /* System vector of SCI interrupt */
- uint32_t smi_cmd; /* Port address of SMI command port */
- uint8_t acpi_enable; /* Value to write to smi_cmd to enable ACPI */
- uint8_t acpi_disable; /* Value to write to smi_cmd to disable ACPI */
- uint8_t S4bios_req; /* Value to write to SMI CMD to enter S4BIOS state */
- uint8_t reserved2; /* Reserved - must be zero */
- uint32_t pm1a_evt_blk; /* Port address of Power Mgt 1a acpi_event Reg Blk */
- uint32_t pm1b_evt_blk; /* Port address of Power Mgt 1b acpi_event Reg Blk */
- uint32_t pm1a_cnt_blk; /* Port address of Power Mgt 1a Control Reg Blk */
- uint32_t pm1b_cnt_blk; /* Port address of Power Mgt 1b Control Reg Blk */
- uint32_t pm2_cnt_blk; /* Port address of Power Mgt 2 Control Reg Blk */
- uint32_t pm_tmr_blk; /* Port address of Power Mgt Timer Ctrl Reg Blk */
- uint32_t gpe0_blk; /* Port addr of General Purpose acpi_event 0 Reg Blk */
- uint32_t gpe1_blk; /* Port addr of General Purpose acpi_event 1 Reg Blk */
- uint8_t pm1_evt_len; /* Byte length of ports at pm1_x_evt_blk */
- uint8_t pm1_cnt_len; /* Byte length of ports at pm1_x_cnt_blk */
- uint8_t pm2_cnt_len; /* Byte Length of ports at pm2_cnt_blk */
- uint8_t pm_tmr_len; /* Byte Length of ports at pm_tm_blk */
- uint8_t gpe0_blk_len; /* Byte Length of ports at gpe0_blk */
- uint8_t gpe1_blk_len; /* Byte Length of ports at gpe1_blk */
- uint8_t gpe1_base; /* Offset in gpe model where gpe1 events start */
- uint8_t reserved3; /* Reserved */
- uint16_t plvl2_lat; /* Worst case HW latency to enter/exit C2 state */
- uint16_t plvl3_lat; /* Worst case HW latency to enter/exit C3 state */
- uint16_t flush_size; /* Size of area read to flush caches */
- uint16_t flush_stride; /* Stride used in flushing caches */
- uint8_t duty_offset; /* Bit location of duty cycle field in p_cnt reg */
- uint8_t duty_width; /* Bit width of duty cycle field in p_cnt reg */
- uint8_t day_alrm; /* Index to day-of-month alarm in RTC CMOS RAM */
- uint8_t mon_alrm; /* Index to month-of-year alarm in RTC CMOS RAM */
- uint8_t century; /* Index to century in RTC CMOS RAM */
+ ACPI_FADT_COMMON_DEF
uint8_t reserved4; /* Reserved */
uint8_t reserved4a; /* Reserved */
uint8_t reserved4b; /* Reserved */
@@ -135,6 +138,44 @@ struct AcpiFadtDescriptorRev1
} QEMU_PACKED;
typedef struct AcpiFadtDescriptorRev1 AcpiFadtDescriptorRev1;
+struct AcpiGenericAddress {
+ uint8_t space_id; /* Address space where struct or register exists */
+ uint8_t bit_width; /* Size in bits of given register */
+ uint8_t bit_offset; /* Bit offset within the register */
+ uint8_t access_width; /* Minimum Access size (ACPI 3.0) */
+ uint64_t address; /* 64-bit address of struct or register */
+} QEMU_PACKED;
+
+struct AcpiFadtDescriptorRev5_1 {
+ ACPI_FADT_COMMON_DEF
+ uint16_t boot_flags; /* IA-PC Boot Architecture Flags (see below for individual flags) */
+ uint8_t reserved; /* Reserved, must be zero */
+ uint32_t flags; /* Miscellaneous flag bits (see below for individual flags) */
+ struct AcpiGenericAddress reset_register; /* 64-bit address of the Reset register */
+ uint8_t reset_value; /* Value to write to the reset_register port to reset the system */
+ uint16_t arm_boot_flags; /* ARM-Specific Boot Flags (see below for individual flags) (ACPI 5.1) */
+ uint8_t minor_revision; /* FADT Minor Revision (ACPI 5.1) */
+ uint64_t Xfacs; /* 64-bit physical address of FACS */
+ uint64_t Xdsdt; /* 64-bit physical address of DSDT */
+ struct AcpiGenericAddress xpm1a_event_block; /* 64-bit Extended Power Mgt 1a Event Reg Blk address */
+ struct AcpiGenericAddress xpm1b_event_block; /* 64-bit Extended Power Mgt 1b Event Reg Blk address */
+ struct AcpiGenericAddress xpm1a_control_block; /* 64-bit Extended Power Mgt 1a Control Reg Blk address */
+ struct AcpiGenericAddress xpm1b_control_block; /* 64-bit Extended Power Mgt 1b Control Reg Blk address */
+ struct AcpiGenericAddress xpm2_control_block; /* 64-bit Extended Power Mgt 2 Control Reg Blk address */
+ struct AcpiGenericAddress xpm_timer_block; /* 64-bit Extended Power Mgt Timer Ctrl Reg Blk address */
+ struct AcpiGenericAddress xgpe0_block; /* 64-bit Extended General Purpose Event 0 Reg Blk address */
+ struct AcpiGenericAddress xgpe1_block; /* 64-bit Extended General Purpose Event 1 Reg Blk address */
+ struct AcpiGenericAddress sleep_control; /* 64-bit Sleep Control register (ACPI 5.0) */
+ struct AcpiGenericAddress sleep_status; /* 64-bit Sleep Status register (ACPI 5.0) */
+} QEMU_PACKED;
+
+typedef struct AcpiFadtDescriptorRev5_1 AcpiFadtDescriptorRev5_1;
+
+enum {
+ ACPI_FADT_ARM_USE_PSCI_G_0_2 = 0,
+ ACPI_FADT_ARM_PSCI_USE_HVC = 1,
+};
+
/*
* ACPI 1.0 Root System Description Table (RSDT)
*/