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hw/acpi: Upgrade ACPI SPCR table to support SPCR table revision 4 format

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Update the SPCR table to accommodate the SPCR Table revision 4 [1].
The SPCR table has been modified to adhere to the revision 4 format [2].

[1]: https://learn.microsoft.com/en-us/windows-hardware/drivers/serports/serial-port-console-redirection-table
[2]: https://github.com/acpica/acpica/pull/931

Signed-off-by: Sia Jee Heng <jeeheng.sia@starfivetech.com>
Reviewed-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Message-ID: <20241028015744.624943-3-jeeheng.sia@starfivetech.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Sia Jee Heng 2024-10-27 18:57:43 -07:00 • committed by Alistair Francis
parent a205d0bcc8
commit 6ab861421c
6 changed files with 42 additions and 13 deletions
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7
include/hw/acpi/acpi-defs.h
View file

@ -112,7 +112,6 @@ typedef struct AcpiSpcrData {
uint8_t flow_control;
uint8_t terminal_type;
uint8_t language;
uint8_t reserved1;
uint16_t pci_device_id; /* Must be 0xffff if not PCI device */
uint16_t pci_vendor_id; /* Must be 0xffff if not PCI device */
uint8_t pci_bus;
@ -120,7 +119,11 @@ typedef struct AcpiSpcrData {
uint8_t pci_function;
uint32_t pci_flags;
uint8_t pci_segment;
uint32_t reserved2;
uint32_t uart_clk_freq;
uint32_t precise_baudrate;
uint32_t namespace_string_length;
uint32_t namespace_string_offset;
char namespace_string[];
} AcpiSpcrData;
#define ACPI_FADT_ARM_PSCI_COMPLIANT (1 << 0)

2
include/hw/acpi/aml-build.h
View file

@ -507,5 +507,5 @@ void build_tpm2(GArray *table_data, BIOSLinker *linker, GArray *tcpalog,
void build_spcr(GArray *table_data, BIOSLinker *linker,
const AcpiSpcrData *f, const uint8_t rev,
const char *oem_id, const char *oem_table_id);
const char *oem_id, const char *oem_table_id, const char *name);
#endif