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[Qemu-devel] [PATCH v7 03/35] acpi: add aml_create_field
From: |
Xiao Guangrong |
Subject: |
[Qemu-devel] [PATCH v7 03/35] acpi: add aml_create_field |
Date: |
Mon, 2 Nov 2015 17:13:05 +0800 |
Implement CreateField term which is used by NVDIMM _DSM method in later patch
Signed-off-by: Xiao Guangrong <address@hidden>
---
hw/acpi/aml-build.c | 13 +++++++++++++
include/hw/acpi/aml-build.h | 1 +
2 files changed, 14 insertions(+)
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index a72214d..9fe5e7b 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -1151,6 +1151,19 @@ Aml *aml_sizeof(Aml *arg)
return var;
}
+/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefCreateField */
+Aml *aml_create_field(Aml *srcbuf, Aml *index, Aml *len, const char *name)
+{
+ Aml *var = aml_alloc();
+ build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */
+ build_append_byte(var->buf, 0x13); /* CreateFieldOp */
+ aml_append(var, srcbuf);
+ aml_append(var, index);
+ aml_append(var, len);
+ build_append_namestring(var->buf, "%s", name);
+ return var;
+}
+
void
build_header(GArray *linker, GArray *table_data,
AcpiTableHeader *h, const char *sig, int len, uint8_t rev)
diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index 7296efb..7e1c43b 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -276,6 +276,7 @@ Aml *aml_touuid(const char *uuid);
Aml *aml_unicode(const char *str);
Aml *aml_derefof(Aml *arg);
Aml *aml_sizeof(Aml *arg);
+Aml *aml_create_field(Aml *srcbuf, Aml *index, Aml *len, const char *name);
void
build_header(GArray *linker, GArray *table_data,
--
1.8.3.1
- [Qemu-devel] [PATCH v7 00/35] implement vNVDIMM, Xiao Guangrong, 2015/11/02
- [Qemu-devel] [PATCH v7 01/35] acpi: add aml_derefof, Xiao Guangrong, 2015/11/02
- [Qemu-devel] [PATCH v7 02/35] acpi: add aml_sizeof, Xiao Guangrong, 2015/11/02
- [Qemu-devel] [PATCH v7 03/35] acpi: add aml_create_field,
Xiao Guangrong <=
- [Qemu-devel] [PATCH v7 04/35] acpi: add aml_concatenate, Xiao Guangrong, 2015/11/02
- [Qemu-devel] [PATCH v7 05/35] acpi: add aml_object_type, Xiao Guangrong, 2015/11/02
- [Qemu-devel] [PATCH v7 10/35] hostmem-file: clean up memory allocation, Xiao Guangrong, 2015/11/02
- [Qemu-devel] [PATCH v7 06/35] acpi: add aml_method_serialized, Xiao Guangrong, 2015/11/02
- [Qemu-devel] [PATCH v7 09/35] exec: allow file_ram_alloc to work on file, Xiao Guangrong, 2015/11/02