commit 16682a9d865d00968a35e02bf2b666399e7ceea5
author Igor Mammedov <imammedo@redhat.com> Mon Dec 28 18:02:47 2015 +0100
committer Michael S. Tsirkin <mst@redhat.com> Sat Jan 09 23:20:19 2016 +0200
tree 5253a5477549ada4e399fa2397a00cb567f81fef
parent 12e3b1f75089b7691ae333837aa026514e4aadeb

pc: acpi: q35: move IQCR() into SSDT

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

hw/i386/acpi-build.c

diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index f0283f9..5bb544b 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -1525,6 +1525,36 @@
     return dev;
 }
 
+/* _CRS method - get current settings */
+static Aml *build_iqcr_method(bool is_piix4)
+{
+    Aml *if_ctx;
+    uint32_t irqs;
+    Aml *method = aml_method("IQCR", 1, AML_SERIALIZED);
+    Aml *crs = aml_resource_template();
+
+    irqs = 0;
+    aml_append(crs, aml_interrupt(AML_CONSUMER, AML_LEVEL,
+                                  AML_ACTIVE_HIGH, AML_SHARED, &irqs, 1));
+    aml_append(method, aml_name_decl("PRR0", crs));
+
+    aml_append(method,
+        aml_create_dword_field(aml_name("PRR0"), aml_int(5), "PRRI"));
+
+    if (is_piix4) {
+        if_ctx = aml_if(aml_lless(aml_arg(0), aml_int(0x80)));
+        aml_append(if_ctx, aml_store(aml_arg(0), aml_name("PRRI")));
+        aml_append(method, if_ctx);
+    } else {
+        aml_append(method,
+            aml_store(aml_and(aml_arg(0), aml_int(0xF), NULL),
+                      aml_name("PRRI")));
+    }
+
+    aml_append(method, aml_return(aml_name("PRR0")));
+    return method;
+}
+
 static void build_piix4_pci0_int(Aml *table)
 {
     Aml *dev;
@@ -1556,24 +1586,7 @@
     }
     aml_append(sb_scope, method);
 
-    /* _CRS method - get current settings */
-    method = aml_method("IQCR", 1, AML_SERIALIZED);
-    {
-        crs = aml_resource_template();
-        irqs = 0;
-        aml_append(crs, aml_interrupt(AML_CONSUMER, AML_LEVEL,
-                                      AML_ACTIVE_HIGH, AML_SHARED, &irqs, 1));
-        aml_append(method, aml_name_decl("PRR0", crs));
-
-        aml_append(method,
-            aml_create_dword_field(aml_name("PRR0"), aml_int(5), "PRRI"));
-
-        if_ctx = aml_if(aml_lless(aml_arg(0), aml_int(0x80)));
-        aml_append(if_ctx, aml_store(aml_arg(0), aml_name("PRRI")));
-        aml_append(method, if_ctx);
-        aml_append(method, aml_return(aml_name("PRR0")));
-    }
-    aml_append(sb_scope, method);
+    aml_append(sb_scope, build_iqcr_method(true));
 
     aml_append(sb_scope, build_link_dev("LNKA", 0, aml_name("PRQ0")));
     aml_append(sb_scope, build_link_dev("LNKB", 1, aml_name("PRQ1")));
@@ -1619,6 +1632,8 @@
 {
     Aml *sb_scope = aml_scope("_SB");
 
+    aml_append(sb_scope, build_iqcr_method(false));
+
     aml_append(sb_scope, build_link_dev("LNKA", 0, aml_name("PRQA")));
     aml_append(sb_scope, build_link_dev("LNKB", 1, aml_name("PRQB")));
     aml_append(sb_scope, build_link_dev("LNKC", 2, aml_name("PRQC")));