diff mbox

[Xen-devel,v5,11/16] libxl/arm: Construct ACPI DSDT table

Message ID 1472784939-14404-12-git-send-email-zhaoshenglong@huawei.com
State Superseded
Headers show

Commit Message

Shannon Zhao Sept. 2, 2016, 2:55 a.m. UTC
From: Shannon Zhao <shannon.zhao@linaro.org>

Copy the static DSDT table into ACPI blob.

Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
---
 tools/libxl/libxl_arm_acpi.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

Comments

Julien Grall Sept. 12, 2016, 3:13 p.m. UTC | #1
Hi Shannon,

On 02/09/16 03:55, Shannon Zhao wrote:
> From: Shannon Zhao <shannon.zhao@linaro.org>
>
> Copy the static DSDT table into ACPI blob.
>
> Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>

Acked-by: Julien Grall <julien.grall@arm.com>

Regards,

> ---
>  tools/libxl/libxl_arm_acpi.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
>
> diff --git a/tools/libxl/libxl_arm_acpi.c b/tools/libxl/libxl_arm_acpi.c
> index 407f9d5..30e4d66 100644
> --- a/tools/libxl/libxl_arm_acpi.c
> +++ b/tools/libxl/libxl_arm_acpi.c
> @@ -329,6 +329,15 @@ static void make_acpi_fadt(libxl__gc *gc, struct xc_dom_image *dom,
>                         acpitables[FADT].size);
>  }
>
> +static void make_acpi_dsdt(libxl__gc *gc, struct xc_dom_image *dom,
> +                           struct acpitable acpitables[])
> +{
> +    uint64_t offset = acpitables[DSDT].addr - GUEST_ACPI_BASE;
> +    void *dsdt = dom->acpi_modules[0].data + offset;
> +
> +    memcpy(dsdt, dsdt_anycpu_arm, dsdt_anycpu_arm_len);
> +}
> +
>  int libxl__prepare_acpi(libxl__gc *gc, libxl_domain_build_info *info,
>                          libxl__domain_build_state *state,
>                          struct xc_dom_image *dom)
> @@ -365,6 +374,7 @@ int libxl__prepare_acpi(libxl__gc *gc, libxl_domain_build_info *info,
>          goto out;
>
>      make_acpi_fadt(gc, dom, acpitables);
> +    make_acpi_dsdt(gc, dom, acpitables);
>
>  out:
>      return rc;
>
diff mbox

Patch

diff --git a/tools/libxl/libxl_arm_acpi.c b/tools/libxl/libxl_arm_acpi.c
index 407f9d5..30e4d66 100644
--- a/tools/libxl/libxl_arm_acpi.c
+++ b/tools/libxl/libxl_arm_acpi.c
@@ -329,6 +329,15 @@  static void make_acpi_fadt(libxl__gc *gc, struct xc_dom_image *dom,
                        acpitables[FADT].size);
 }
 
+static void make_acpi_dsdt(libxl__gc *gc, struct xc_dom_image *dom,
+                           struct acpitable acpitables[])
+{
+    uint64_t offset = acpitables[DSDT].addr - GUEST_ACPI_BASE;
+    void *dsdt = dom->acpi_modules[0].data + offset;
+
+    memcpy(dsdt, dsdt_anycpu_arm, dsdt_anycpu_arm_len);
+}
+
 int libxl__prepare_acpi(libxl__gc *gc, libxl_domain_build_info *info,
                         libxl__domain_build_state *state,
                         struct xc_dom_image *dom)
@@ -365,6 +374,7 @@  int libxl__prepare_acpi(libxl__gc *gc, libxl_domain_build_info *info,
         goto out;
 
     make_acpi_fadt(gc, dom, acpitables);
+    make_acpi_dsdt(gc, dom, acpitables);
 
 out:
     return rc;