[Xen-changelog] [xen master] libxl/arm: Construct ACPI FADT table

[patchbot@xxxxxxx]

commit 11319d48ee7a97e0087ca8aaedada0bf0456975a
Author:     Shannon Zhao <shannon.zhao@xxxxxxxxxx>
AuthorDate: Wed Sep 28 18:18:56 2016 -0700
Commit:     Wei Liu <wei.liu2@xxxxxxxxxx>
CommitDate: Fri Sep 30 11:47:26 2016 +0100

    libxl/arm: Construct ACPI FADT table
    
    Signed-off-by: Shannon Zhao <shannon.zhao@xxxxxxxxxx>
    Acked-by: Julien Grall <julien.grall@xxxxxxx>
    Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>
---
 tools/libxl/libxl_arm_acpi.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/tools/libxl/libxl_arm_acpi.c b/tools/libxl/libxl_arm_acpi.c
index f593dab..6530f45 100644
--- a/tools/libxl/libxl_arm_acpi.c
+++ b/tools/libxl/libxl_arm_acpi.c
@@ -310,6 +310,25 @@ out:
     return rc;
 }
 
+static void make_acpi_fadt(libxl__gc *gc, struct xc_dom_image *dom,
+                           struct acpitable acpitables[])
+{
+    uint64_t offset = acpitables[FADT].addr - GUEST_ACPI_BASE;
+    struct acpi_table_fadt *fadt = (void *)dom->acpi_modules[0].data + offset;
+
+    /* Hardware Reduced = 1 and use PSCI 0.2+ and with HVC */
+    fadt->flags = ACPI_FADT_HW_REDUCED;
+    fadt->arm_boot_flags = ACPI_FADT_PSCI_COMPLIANT | ACPI_FADT_PSCI_USE_HVC;
+
+    /* ACPI v5.1 (fadt->revision.fadt->minor_revision) */
+    fadt->minor_revision = 0x1;
+    fadt->dsdt = acpitables[DSDT].addr;
+
+    make_acpi_header(&fadt->header, "FACP", acpitables[FADT].size, 5);
+    calculate_checksum(fadt, offsetof(struct acpi_table_header, checksum),
+                       acpitables[FADT].size);
+}
+
 int libxl__prepare_acpi(libxl__gc *gc, libxl_domain_build_info *info,
                         struct xc_dom_image *dom)
 {
@@ -338,6 +357,10 @@ int libxl__prepare_acpi(libxl__gc *gc, 
libxl_domain_build_info *info,
     make_acpi_xsdt(gc, dom, acpitables);
     make_acpi_gtdt(gc, dom, acpitables);
     rc = make_acpi_madt(gc, dom, info, acpitables);
+    if (rc)
+        goto out;
+
+    make_acpi_fadt(gc, dom, acpitables);
 
 out:
     return rc;
--
generated by git-patchbot for /home/xen/git/xen.git#master

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