[U-Boot] [PATCH 2/2] x86: qemu: qfw: Implement acpi_get_rsdp_addr()

[Andy Shevchenko]

On Tue, 2018-01-30 at 05:01 -0800, Bin Meng wrote:
> U-Boot on QEMU does not build ACPI table by ourself, instead it uses
> the prebuilt ACPI table via the qfw interface. This implements the
> qfw version of acpi_get_rsdp_addr() for setup_zimage().
> 
> Signed-off-by: Bin Meng <bmeng.cn at gmail.com>
> ---
> 
>  drivers/misc/qfw.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/drivers/misc/qfw.c b/drivers/misc/qfw.c
> index a8af9e0..9a54803 100644
> --- a/drivers/misc/qfw.c
> +++ b/drivers/misc/qfw.c
> @@ -222,6 +222,14 @@ out:
>  	free(table_loader);
>  	return addr;
>  }
> +
> +ulong acpi_get_rsdp_addr(void)
> +{
> +	struct fw_file *file;
> +
> +	file = qemu_fwcfg_find_file("etc/acpi/rsdp");
> +	return file->addr;
> +}
>  #endif
>  
>  /* Read configuration item using fw_cfg PIO interface */


For both, FWIW:

Reviewed-by: Andy Shevchenko <andriy.shevchenko at linux.intel.com>

Thanks for taking care!

-- 
Andy Shevchenko <andriy.shevchenko at linux.intel.com>
Intel Finland Oy