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envelope-from=jeeheng.sia@starfivetech.com; helo=CHN02-SH0-obe.outbound.protection.partner.outlook.cn X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Generate Serial Port Console Redirection Table (SPCR) for RISC-V virtual machine. Signed-off-by: Sia Jee Heng Reviewed-by: Daniel Henrique Barboza Reviewed-by: Alistair Francis --- hw/riscv/virt-acpi-build.c | 39 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/hw/riscv/virt-acpi-build.c b/hw/riscv/virt-acpi-build.c index 26c7e4482d..7fc5071c84 100644 --- a/hw/riscv/virt-acpi-build.c +++ b/hw/riscv/virt-acpi-build.c @@ -174,6 +174,42 @@ acpi_dsdt_add_uart(Aml *scope, const MemMapEntry *uart_memmap, aml_append(scope, dev); } +/* + * Serial Port Console Redirection Table (SPCR) + * Rev: 1.07 + */ + +static void +spcr_setup(GArray *table_data, BIOSLinker *linker, RISCVVirtState *s) +{ + AcpiSpcrData serial = { + .interface_type = 0, /* 16550 compatible */ + .base_addr.id = AML_AS_SYSTEM_MEMORY, + .base_addr.width = 32, + .base_addr.offset = 0, + .base_addr.size = 1, + .base_addr.addr = s->memmap[VIRT_UART0].base, + .interrupt_type = (1 << 4),/* Bit[4] RISC-V PLIC/APLIC */ + .pc_interrupt = 0, + .interrupt = UART0_IRQ, + .baud_rate = 7, /* 15200 */ + .parity = 0, + .stop_bits = 1, + .flow_control = 0, + .terminal_type = 3, /* ANSI */ + .language = 0, /* Language */ + .pci_device_id = 0xffff, /* not a PCI device*/ + .pci_vendor_id = 0xffff, /* not a PCI device*/ + .pci_bus = 0, + .pci_device = 0, + .pci_function = 0, + .pci_flags = 0, + .pci_segment = 0, + }; + + build_spcr(table_data, linker, &serial, 2, s->oem_id, s->oem_table_id); +} + /* RHCT Node[N] starts at offset 56 */ #define RHCT_NODE_ARRAY_OFFSET 56 @@ -555,6 +591,9 @@ static void virt_acpi_build(RISCVVirtState *s, AcpiBuildTables *tables) acpi_add_table(table_offsets, tables_blob); build_rhct(tables_blob, tables->linker, s); + acpi_add_table(table_offsets, tables_blob); + spcr_setup(tables_blob, tables->linker, s); + acpi_add_table(table_offsets, tables_blob); { AcpiMcfgInfo mcfg = {