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[Qemu-devel] [PATCH v3 1/8] acpi: add aml_create_field()
From: |
Xiao Guangrong |
Subject: |
[Qemu-devel] [PATCH v3 1/8] acpi: add aml_create_field() |
Date: |
Sun, 14 Feb 2016 16:50:58 +0800 |
It will be used by nvdimm acpi
Signed-off-by: Xiao Guangrong <address@hidden>
---
hw/acpi/aml-build.c | 14 ++++++++++++++
include/hw/acpi/aml-build.h | 2 ++
2 files changed, 16 insertions(+)
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index 603068b..2cc3211 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -997,6 +997,20 @@ Aml *create_field_common(int opcode, Aml *srcbuf, Aml
*index, const char *name)
return var;
}
+/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefCreateField */
+Aml *aml_create_field(Aml *srcbuf, Aml *bit_index, Aml *num_bits,
+ 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, bit_index);
+ aml_append(var, num_bits);
+ build_append_namestring(var->buf, "%s", name);
+ return var;
+}
+
/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefCreateDWordField */
Aml *aml_create_dword_field(Aml *srcbuf, Aml *index, const char *name)
{
diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index aa29d30..8ef10ad 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -346,6 +346,8 @@ Aml *aml_mutex(const char *name, uint8_t sync_level);
Aml *aml_acquire(Aml *mutex, uint16_t timeout);
Aml *aml_release(Aml *mutex);
Aml *aml_alias(const char *source_object, const char *alias_object);
+Aml *aml_create_field(Aml *srcbuf, Aml *bit_index, Aml *num_bits,
+ const char *name);
Aml *aml_create_dword_field(Aml *srcbuf, Aml *index, const char *name);
Aml *aml_create_qword_field(Aml *srcbuf, Aml *index, const char *name);
Aml *aml_varpackage(uint32_t num_elements);
--
1.8.3.1
- [Qemu-devel] [PATCH v3 0/8] NVDIMM ACPI: introduce the framework of QEMU emulated DSM, Xiao Guangrong, 2016/02/14
- [Qemu-devel] [PATCH v3 2/8] acpi: add aml_concatenate(), Xiao Guangrong, 2016/02/14
- [Qemu-devel] [PATCH v3 1/8] acpi: add aml_create_field(),
Xiao Guangrong <=
- [Qemu-devel] [PATCH v3 7/8] nvdimm acpi: emulate dsm method, Xiao Guangrong, 2016/02/14
- [Qemu-devel] [PATCH v3 5/8] nvdimm acpi: introduce patched dsm memory, Xiao Guangrong, 2016/02/14
- [Qemu-devel] [PATCH v3 3/8] acpi: allow using object as offset for OperationRegion, Xiao Guangrong, 2016/02/14
- [Qemu-devel] [PATCH v3 4/8] nvdimm acpi: initialize the resource used by NVDIMM ACPI, Xiao Guangrong, 2016/02/14
- [Qemu-devel] [PATCH v3 6/8] nvdimm acpi: let qemu handle _DSM method, Xiao Guangrong, 2016/02/14
- [Qemu-devel] [PATCH v3 8/8] nvdimm acpi: add _CRS, Xiao Guangrong, 2016/02/14