[Qemu-devel] [PATCH v3 08/52] pc: acpi-build: use aml_scope() for \_SB scope

[Igor Mammedov <imammedo@redhat.com>]

prepares for incremental conversion of SSDT contents to AML API

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
---
 hw/i386/acpi-build.c | 29 ++++++++++++-----------------
 1 file changed, 12 insertions(+), 17 deletions(-)

diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index fcefa07..bdc343f 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -824,7 +824,7 @@ build_ssdt(Aml *table_data,
     uint32_t nr_mem = machine->ram_slots;
     unsigned acpi_cpus = guest_info->apic_id_limit;
     uint8_t *ssdt_ptr;
-    Aml *ssdt;
+    Aml *ssdt, *sb_scope;
     int i;
 
     /* The current AML generator can cover the APIC ID range [0..255],
@@ -861,15 +861,11 @@ build_ssdt(Aml *table_data,
     ACPI_BUILD_SET_LE(ssdt_ptr, sizeof(ssdp_misc_aml),
                       ssdt_mctrl_nr_slots[0], 32, nr_mem);
 
+    sb_scope = aml_scope("_SB");
     {
-        GArray *sb_scope = build_alloc_array();
-        uint8_t op = 0x10; /* ScopeOp */
-
-        build_append_namestring(sb_scope, "_SB");
-
         /* build Processor object for each processor */
         for (i = 0; i < acpi_cpus; i++) {
-            uint8_t *proc = acpi_data_push(sb_scope, ACPI_PROC_SIZEOF);
+            uint8_t *proc = acpi_data_push(sb_scope->buf, ACPI_PROC_SIZEOF);
             memcpy(proc, ACPI_PROC_AML, ACPI_PROC_SIZEOF);
             proc[ACPI_PROC_OFFSET_CPUHEX] = acpi_get_hex(i >> 4);
             proc[ACPI_PROC_OFFSET_CPUHEX+1] = acpi_get_hex(i);
@@ -881,11 +877,12 @@ build_ssdt(Aml *table_data,
          *   Method(NTFY, 2) {If (LEqual(Arg0, 0x00)) {Notify(CP00, Arg1)} ...}
          */
         /* Arg0 = Processor ID = APIC ID */
-        build_append_notify_method(sb_scope, "NTFY", "CP%0.02X", acpi_cpus);
+        build_append_notify_method(sb_scope->buf, "NTFY",
+                                   "CP%0.02X", acpi_cpus);
 
         /* build "Name(CPON, Package() { One, One, ..., Zero, Zero, ... })" */
-        build_append_byte(sb_scope, 0x08); /* NameOp */
-        build_append_namestring(sb_scope, "CPON");
+        build_append_byte(sb_scope->buf, 0x08); /* NameOp */
+        build_append_namestring(sb_scope->buf, "CPON");
 
         {
             GArray *package = build_alloc_array();
@@ -910,7 +907,7 @@ build_ssdt(Aml *table_data,
             }
 
             build_package(package, op);
-            build_append_array(sb_scope, package);
+            build_append_array(sb_scope->buf, package);
             build_free_array(package);
         }
 
@@ -919,7 +916,7 @@ build_ssdt(Aml *table_data,
             /* build memory devices */
             for (i = 0; i < nr_mem; i++) {
                 char id[3];
-                uint8_t *mem = acpi_data_push(sb_scope, ACPI_MEM_SIZEOF);
+                uint8_t *mem = acpi_data_push(sb_scope->buf, ACPI_MEM_SIZEOF);
 
                 snprintf(id, sizeof(id), "%02X", i);
                 memcpy(mem, ACPI_MEM_AML, ACPI_MEM_SIZEOF);
@@ -930,7 +927,7 @@ build_ssdt(Aml *table_data,
             /* build Method(MEMORY_SLOT_NOTIFY_METHOD, 2) {
              *     If (LEqual(Arg0, 0x00)) {Notify(MP00, Arg1)} ...
              */
-            build_append_notify_method(sb_scope,
+            build_append_notify_method(sb_scope->buf,
                                        stringify(MEMORY_SLOT_NOTIFY_METHOD),
                                        "MP%0.02X", nr_mem);
         }
@@ -947,13 +944,11 @@ build_ssdt(Aml *table_data,
 
             if (bus) {
                 /* Scan all PCI buses. Generate tables to support hotplug. */
-                build_append_pci_bus_devices(sb_scope, bus,
+                build_append_pci_bus_devices(sb_scope->buf, bus,
                                              pm->pcihp_bridge_en);
             }
         }
-        build_package(sb_scope, op);
-        build_append_array(ssdt->buf, sb_scope);
-        build_free_array(sb_scope);
+        aml_append(ssdt, sb_scope);
     }
 
     aml_append(table_data, ssdt);
-- 
1.8.3.1