[PATCH 4/6] acpi: allow using acpi named offset for OperationRegion

[Xiao Guangrong <guangrong.xiao@linux.intel.com>]

Extend aml_operation_region() to use named object

Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
---
 hw/acpi/aml-build.c         | 4 ++--
 hw/i386/acpi-build.c        | 7 ++++---
 include/hw/acpi/aml-build.h | 2 +-
 3 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index 83eadb3..677c1a6 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -958,14 +958,14 @@ Aml *aml_package(uint8_t num_elements)
 
 /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefOpRegion */
 Aml *aml_operation_region(const char *name, AmlRegionSpace rs,
-                          uint32_t offset, uint32_t len)
+                          Aml *offset, uint32_t len)
 {
     Aml *var = aml_alloc();
     build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */
     build_append_byte(var->buf, 0x80); /* OpRegionOp */
     build_append_namestring(var->buf, "%s", name);
     build_append_byte(var->buf, rs);
-    build_append_int(var->buf, offset);
+    aml_append(var, offset);
     build_append_int(var->buf, len);
     return var;
 }
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 0836119..ad10c48 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -1139,7 +1139,7 @@ build_ssdt(GArray *table_data, GArray *linker,
         aml_append(dev, aml_name_decl("_CRS", crs));
 
         aml_append(dev, aml_operation_region("PEOR", AML_SYSTEM_IO,
-                                              misc->pvpanic_port, 1));
+                                              aml_int(misc->pvpanic_port), 1));
         field = aml_field("PEOR", AML_BYTE_ACC, AML_NOLOCK, AML_PRESERVE);
         aml_append(field, aml_named_field("PEPT", 8));
         aml_append(dev, field);
@@ -1179,7 +1179,8 @@ build_ssdt(GArray *table_data, GArray *linker,
         aml_append(sb_scope, dev);
         /* declare CPU hotplug MMIO region and PRS field to access it */
         aml_append(sb_scope, aml_operation_region(
-            "PRST", AML_SYSTEM_IO, pm->cpu_hp_io_base, pm->cpu_hp_io_len));
+            "PRST", AML_SYSTEM_IO, aml_int(pm->cpu_hp_io_base),
+            pm->cpu_hp_io_len));
         field = aml_field("PRST", AML_BYTE_ACC, AML_NOLOCK, AML_PRESERVE);
         aml_append(field, aml_named_field("PRS", 256));
         aml_append(sb_scope, field);
@@ -1251,7 +1252,7 @@ build_ssdt(GArray *table_data, GArray *linker,
 
         aml_append(scope, aml_operation_region(
             stringify(MEMORY_HOTPLUG_IO_REGION), AML_SYSTEM_IO,
-            pm->mem_hp_io_base, pm->mem_hp_io_len)
+            aml_int(pm->mem_hp_io_base), pm->mem_hp_io_len)
         );
 
         field = aml_field(stringify(MEMORY_HOTPLUG_IO_REGION), AML_DWORD_ACC,
diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index b4726a4..a8d8f3b 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -285,7 +285,7 @@ Aml *aml_interrupt(AmlConsumerAndProducer con_and_pro,
 Aml *aml_io(AmlIODecode dec, uint16_t min_base, uint16_t max_base,
             uint8_t aln, uint8_t len);
 Aml *aml_operation_region(const char *name, AmlRegionSpace rs,
-                          uint32_t offset, uint32_t len);
+                          Aml *offset, uint32_t len);
 Aml *aml_irq_no_flags(uint8_t irq);
 Aml *aml_named_field(const char *name, unsigned length);
 Aml *aml_reserved_field(unsigned length);
-- 
1.8.3.1