On 7/24/2025 7:03 PM, Sunil V L wrote:
> RISC-V support is added only in ACPI 6.6. According to the ACPI 6.6
> specification, the minor version of the Fixed ACPI Description Table
> (FADT) should be 6, and the Multiple APIC Description Table (MADT)
> should use revision 7. So, update the RISC-V FADT and MADT to reflect
> correct versions.
>
> Update the code comments to reflect ACPI 6.6 version details.
>
> Signed-off-by: Sunil V L <suni...@ventanamicro.com>
> Acked-by: Michael S. Tsirkin <m...@redhat.com>
> ---
Reviewed-by: Nutty Liu <liujin...@lanxincomputing.com>

Thanks,
Nutty
>   hw/riscv/virt-acpi-build.c | 25 ++++++++++---------------
>   1 file changed, 10 insertions(+), 15 deletions(-)
>
> diff --git a/hw/riscv/virt-acpi-build.c b/hw/riscv/virt-acpi-build.c
> index ee1416d264..f1406cb683 100644
> --- a/hw/riscv/virt-acpi-build.c
> +++ b/hw/riscv/virt-acpi-build.c
> @@ -270,11 +270,8 @@ spcr_setup(GArray *table_data, BIOSLinker *linker, 
> RISCVVirtState *s)
>   #define RHCT_NODE_ARRAY_OFFSET 56
>   
>   /*
> - * ACPI spec, Revision 6.5+
> - * 5.2.36 RISC-V Hart Capabilities Table (RHCT)
> - * REF: https://github.com/riscv-non-isa/riscv-acpi/issues/16
> - *      
> https://drive.google.com/file/d/1nP3nFiH4jkPMp6COOxP6123DCZKR-tia/view
> - *      
> https://drive.google.com/file/d/1sKbOa8m1UZw1JkquZYe3F1zQBN1xXsaf/view
> + * ACPI spec, Revision 6.6
> + * 5.2.37 RISC-V Hart Capabilities Table (RHCT)
>    */
>   static void build_rhct(GArray *table_data,
>                          BIOSLinker *linker,
> @@ -421,7 +418,10 @@ static void build_rhct(GArray *table_data,
>       acpi_table_end(linker, &table);
>   }
>   
> -/* FADT */
> +/*
> + * ACPI spec, Revision 6.6
> + * 5.2.9 Fixed ACPI Description Table (MADT)
> + */
>   static void build_fadt_rev6(GArray *table_data,
>                               BIOSLinker *linker,
>                               RISCVVirtState *s,
> @@ -429,7 +429,7 @@ static void build_fadt_rev6(GArray *table_data,
>   {
>       AcpiFadtData fadt = {
>           .rev = 6,
> -        .minor_ver = 5,
> +        .minor_ver = 6,
>           .flags = 1 << ACPI_FADT_F_HW_REDUCED_ACPI,
>           .xdsdt_tbl_offset = &dsdt_tbl_offset,
>       };
> @@ -508,11 +508,8 @@ static void build_dsdt(GArray *table_data,
>   }
>   
>   /*
> - * ACPI spec, Revision 6.5+
> + * ACPI spec, Revision 6.6
>    * 5.2.12 Multiple APIC Description Table (MADT)
> - * REF: https://github.com/riscv-non-isa/riscv-acpi/issues/15
> - *      
> https://drive.google.com/file/d/1R6k4MshhN3WTT-hwqAquu5nX6xSEqK2l/view
> - *      
> https://drive.google.com/file/d/1oMGPyOD58JaPgMl1pKasT-VKsIKia7zR/view
>    */
>   static void build_madt(GArray *table_data,
>                          BIOSLinker *linker,
> @@ -537,7 +534,7 @@ static void build_madt(GArray *table_data,
>   
>       hart_index_bits = imsic_num_bits(imsic_max_hart_per_socket);
>   
> -    AcpiTable table = { .sig = "APIC", .rev = 6, .oem_id = s->oem_id,
> +    AcpiTable table = { .sig = "APIC", .rev = 7, .oem_id = s->oem_id,
>                           .oem_table_id = s->oem_table_id };
>   
>       acpi_table_begin(&table, table_data);
> @@ -812,10 +809,8 @@ static void build_rimt(GArray *table_data, BIOSLinker 
> *linker,
>   }
>   
>   /*
> - * ACPI spec, Revision 6.5+
> + * ACPI spec, Revision 6.6
>    * 5.2.16 System Resource Affinity Table (SRAT)
> - * REF: https://github.com/riscv-non-isa/riscv-acpi/issues/25
> - *      
> https://drive.google.com/file/d/1YTdDx2IPm5IeZjAW932EYU-tUtgS08tX/view
>    */
>   static void
>   build_srat(GArray *table_data, BIOSLinker *linker, RISCVVirtState *vms)

Reply via email to