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[Xen-devel,v6,11/16] libxl/arm: Construct ACPI DSDT table

Message ID 1474548753-12596-12-git-send-email-zhaoshenglong@huawei.com
State New
Headers show

Commit Message

Shannon Zhao Sept. 22, 2016, 12:52 p.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>
Acked-by: Julien Grall <julien.grall@arm.com>
---
 tools/libxl/libxl_arm_acpi.c | 10 ++++++++++
 1 file changed, 10 insertions(+)
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Patch

diff --git a/tools/libxl/libxl_arm_acpi.c b/tools/libxl/libxl_arm_acpi.c
index 9f26d0f..9c4005f 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;