acpi: add aml_processor() term

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>

2 files changed, 17 insertions, 0 deletions

diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index 97b027c..9081b49 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -650,3 +650,18 @@ Aml *aml_varpackage(uint32_t num_elements)
     build_append_int(var->buf, num_elements);
     return var;
 }
+
+/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefProcessor */
+Aml *aml_processor(uint8_t proc_id, uint32_t pblk_addr, uint8_t pblk_len,
+                   const char *name_format, ...)
+{
+    va_list ap;
+    Aml *var = aml_bundle(0x83 /* ProcessorOp */, AML_EXT_PACKAGE);
+    va_start(ap, name_format);
+    build_append_namestringv(var->buf, name_format, ap);
+    va_end(ap);
+    build_append_byte(var->buf, proc_id); /* ProcID */
+    build_append_int_noprefix(var->buf, pblk_addr, sizeof(pblk_addr));
+    build_append_byte(var->buf, pblk_len); /* PblkLen */
+    return var;
+}
diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index 5e2b434..58bbbfe 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -94,6 +94,8 @@ Aml *aml_named_field(const char *name, unsigned length);
 Aml *aml_local(int num);
 Aml *aml_string(const char *name_format, ...) GCC_FMT_ATTR(1, 2);
 Aml *aml_equal(Aml *arg1, Aml *arg2);
+Aml *aml_processor(uint8_t proc_id, uint32_t pblk_addr, uint8_t pblk_len,
+                   const char *name_format, ...) GCC_FMT_ATTR(4, 5);
 
 /* Block AML object primitives */
 Aml *aml_scope(const char *name_format, ...) GCC_FMT_ATTR(1, 2);