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[Qemu-devel] [PATCH v2 05/18] acpi: add aml_create_field
From: |
Xiao Guangrong |
Subject: |
[Qemu-devel] [PATCH v2 05/18] acpi: add aml_create_field |
Date: |
Fri, 14 Aug 2015 22:51:58 +0800 |
Implement CreateField term which are used by NVDIMM _DSM method in later patch
Signed-off-by: Xiao Guangrong <address@hidden>
---
hw/acpi/aml-build.c | 14 ++++++++++++++
include/hw/acpi/aml-build.h | 1 +
2 files changed, 15 insertions(+)
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index a526eed..debdad2 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -1151,6 +1151,20 @@ Aml *aml_sizeof(Aml *arg)
return var;
}
+/* ACPI 6.0: 20.2.5.2 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 6b591ab..d4dbd44 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -277,6 +277,7 @@ 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,
--
2.4.3
- [Qemu-devel] [PATCH v2 00/18] implement vNVDIMM, Xiao Guangrong, 2015/08/14
- [Qemu-devel] [PATCH v2 01/18] acpi: allow aml_operation_region() working on 64 bit offset, Xiao Guangrong, 2015/08/14
- [Qemu-devel] [PATCH v2 03/18] acpi: add aml_derefof, Xiao Guangrong, 2015/08/14
- [Qemu-devel] [PATCH v2 02/18] i386/acpi-build: allow SSDT to operate on 64 bit, Xiao Guangrong, 2015/08/14
- [Qemu-devel] [PATCH v2 04/18] acpi: add aml_sizeof, Xiao Guangrong, 2015/08/14
- [Qemu-devel] [PATCH v2 05/18] acpi: add aml_create_field,
Xiao Guangrong <=
- [Qemu-devel] [PATCH v2 06/18] pc: implement NVDIMM device abstract, Xiao Guangrong, 2015/08/14
- [Qemu-devel] [PATCH v2 07/18] nvdimm: reserve address range for NVDIMM, Xiao Guangrong, 2015/08/14