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hw/loongarch/virt: Replace RSDT with XSDT table

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XSDT table is introduced in ACPI Specification 5.0, it supports 64-bit
address in the table. There is LoongArch system support from ACPI
Specification 6.4 and later, XSDT is supported by LoongArch system.

Here replace RSDT with XSDT table.

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
This commit is contained in:
Bibo Mao 2025-02-28 09:44:12 +08:00
parent 73047c825e
commit d0897c6970
1 changed files with 6 additions and 6 deletions
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12
hw/loongarch/virt-acpi-build.c
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@ -514,7 +514,7 @@ static void acpi_build(AcpiBuildTables *tables, MachineState *machine)
LoongArchVirtMachineState *lvms = LOONGARCH_VIRT_MACHINE(machine); LoongArchVirtMachineState *lvms = LOONGARCH_VIRT_MACHINE(machine);
GArray *table_offsets; GArray *table_offsets;
AcpiFadtData fadt_data; AcpiFadtData fadt_data;
unsigned facs, rsdt, dsdt; unsigned facs, xsdt, dsdt;
uint8_t *u; uint8_t *u;
GArray *tables_blob = tables->table_data; GArray *tables_blob = tables->table_data;
@ -600,17 +600,17 @@ static void acpi_build(AcpiBuildTables *tables, MachineState *machine)
} }
/* RSDT is pointed to by RSDP */ /* RSDT is pointed to by RSDP */
rsdt = tables_blob->len; xsdt = tables_blob->len;
build_rsdt(tables_blob, tables->linker, table_offsets, build_xsdt(tables_blob, tables->linker, table_offsets,
lvms->oem_id, lvms->oem_table_id); lvms->oem_id, lvms->oem_table_id);
/* RSDP is in FSEG memory, so allocate it separately */ /* RSDP is in FSEG memory, so allocate it separately */
{ {
AcpiRsdpData rsdp_data = { AcpiRsdpData rsdp_data = {
.revision = 0, .revision = 2,
.oem_id = lvms->oem_id, .oem_id = lvms->oem_id,
.xsdt_tbl_offset = NULL, .xsdt_tbl_offset = &xsdt,
.rsdt_tbl_offset = &rsdt, .rsdt_tbl_offset = NULL,
}; };
build_rsdp(tables->rsdp, tables->linker, &rsdp_data); build_rsdp(tables->rsdp, tables->linker, &rsdp_data);
} }