[SeaBIOS] [PATCH v2 3/9] seabios: acpi, fadt: make while fadt initialization chipset specific

Paolo Bonzini pbonzini at redhat.com
Tue Oct 9 10:18:45 CEST 2012


Il 09/10/2012 05:35, Jason Baron ha scritto:
> From: Isaku Yamahata <yamahata at valinux.co.jp>
> 
> make while fadt initialization chipset specific.
> 
> Signed-off-by: Isaku Yamahata <yamahata at valinux.co.jp>
> Signed-off-by: Jason Baron <jbaron at redhat.com>

I wonder if long term we want to build as much ACPI stuff in QEMU as
possible (so mch_mcfg_init would actually *consume* the MCFG instead of
producing it).

Reviewed-by: Paolo Bonzini <pbonzini at redhat.com>

> ---
>  src/acpi.c |   34 ++++++++++++++++++----------------
>  1 files changed, 18 insertions(+), 16 deletions(-)
> 
> diff --git a/src/acpi.c b/src/acpi.c
> index 780c0ac..3577c70 100644
> --- a/src/acpi.c
> +++ b/src/acpi.c
> @@ -234,13 +234,31 @@ build_header(struct acpi_table_header *h, u32 sig, int len, u8 rev)
>  #define PIIX4_GPE0_BLK          0xafe0
>  #define PIIX4_GPE0_BLK_LEN      4
>  
> +#define PIIX4_PM_INTRRUPT       9       // irq 9
> +
>  static void piix4_fadt_init(struct pci_device *pci, void *arg)
>  {
>      struct fadt_descriptor_rev1 *fadt = arg;
> +
> +    fadt->model = 1;
> +    fadt->reserved1 = 0;
> +    fadt->sci_int = cpu_to_le16(PIIX4_PM_INTRRUPT);
> +    fadt->smi_cmd = cpu_to_le32(PORT_SMI_CMD);
>      fadt->acpi_enable = PIIX4_ACPI_ENABLE;
>      fadt->acpi_disable = PIIX4_ACPI_DISABLE;
> +    fadt->pm1a_evt_blk = cpu_to_le32(PORT_ACPI_PM_BASE);
> +    fadt->pm1a_cnt_blk = cpu_to_le32(PORT_ACPI_PM_BASE + 0x04);
> +    fadt->pm_tmr_blk = cpu_to_le32(PORT_ACPI_PM_BASE + 0x08);
>      fadt->gpe0_blk = cpu_to_le32(PIIX4_GPE0_BLK);
> +    fadt->pm1_evt_len = 4;
> +    fadt->pm1_cnt_len = 2;
> +    fadt->pm_tmr_len = 4;
>      fadt->gpe0_blk_len = PIIX4_GPE0_BLK_LEN;
> +    fadt->plvl2_lat = cpu_to_le16(0xfff); // C2 state not supported
> +    fadt->plvl3_lat = cpu_to_le16(0xfff); // C3 state not supported
> +    /* WBINVD + PROC_C1 + SLP_BUTTON + RTC_S4 + USE_PLATFORM_CLOCK */
> +    fadt->flags = cpu_to_le32((1 << 0) | (1 << 2) | (1 << 5) | (1 << 7) |
> +                              (1 << 15));
>  }
>  
>  static const struct pci_device_id fadt_init_tbl[] = {
> @@ -282,23 +300,7 @@ build_fadt(struct pci_device *pci)
>      fadt->firmware_ctrl = cpu_to_le32((u32)facs);
>      fadt->dsdt = 0;  /* dsdt will be filled later in acpi_bios_init()
>                          by fill_dsdt() */
> -    fadt->model = 1;
> -    fadt->reserved1 = 0;
> -    int pm_sci_int = pci_config_readb(pci->bdf, PCI_INTERRUPT_LINE);
> -    fadt->sci_int = cpu_to_le16(pm_sci_int);
> -    fadt->smi_cmd = cpu_to_le32(PORT_SMI_CMD);
> -    fadt->pm1a_evt_blk = cpu_to_le32(PORT_ACPI_PM_BASE);
> -    fadt->pm1a_cnt_blk = cpu_to_le32(PORT_ACPI_PM_BASE + 0x04);
> -    fadt->pm_tmr_blk = cpu_to_le32(PORT_ACPI_PM_BASE + 0x08);
> -    fadt->pm1_evt_len = 4;
> -    fadt->pm1_cnt_len = 2;
> -    fadt->pm_tmr_len = 4;
> -    fadt->plvl2_lat = cpu_to_le16(0xfff); // C2 state not supported
> -    fadt->plvl3_lat = cpu_to_le16(0xfff); // C3 state not supported
>      pci_init_device(fadt_init_tbl, pci, fadt);
> -    /* WBINVD + PROC_C1 + SLP_BUTTON + RTC_S4 + USE_PLATFORM_CLOCK */
> -    fadt->flags = cpu_to_le32((1 << 0) | (1 << 2) | (1 << 5) | (1 << 7) |
> -                              (1 << 15));
>  
>      build_header((void*)fadt, FACP_SIGNATURE, sizeof(*fadt), 1);
>  
> 




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