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



Hi Shannon,

On 02/09/16 03:55, Shannon Zhao wrote:
From: Shannon Zhao <shannon.zhao@xxxxxxxxxx>

Copy the static DSDT table into ACPI blob.

Signed-off-by: Shannon Zhao <shannon.zhao@xxxxxxxxxx>

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

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;


--
Julien Grall

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