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[Qemu-devel] [PULL 01/53] acpi: add aml_create_field()
From: |
Michael S. Tsirkin |
Subject: |
[Qemu-devel] [PULL 01/53] acpi: add aml_create_field() |
Date: |
Fri, 11 Mar 2016 17:07:29 +0200 |
From: Xiao Guangrong <address@hidden>
It will be used by nvdimm acpi
Signed-off-by: Xiao Guangrong <address@hidden>
Reviewed-by: Michael S. Tsirkin <address@hidden>
Signed-off-by: Michael S. Tsirkin <address@hidden>
---
include/hw/acpi/aml-build.h | 2 ++
hw/acpi/aml-build.c | 14 ++++++++++++++
2 files changed, 16 insertions(+)
diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index d3e0c8f..7d26911 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -344,6 +344,8 @@ 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);
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index 6675535..45b7f0a 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)
{
--
MST
- [Qemu-devel] [PULL 00/53] vhost, virtio, pci, pc, acpi, Michael S. Tsirkin, 2016/03/11
- [Qemu-devel] [PULL 01/53] acpi: add aml_create_field(),
Michael S. Tsirkin <=
- [Qemu-devel] [PULL 02/53] acpi: add aml_concatenate(), Michael S. Tsirkin, 2016/03/11
- [Qemu-devel] [PULL 03/53] acpi: allow using object as offset for OperationRegion, Michael S. Tsirkin, 2016/03/11
- [Qemu-devel] [PULL 04/53] acpi: add build_append_named_dword, returning an offset in buffer, Michael S. Tsirkin, 2016/03/11
- [Qemu-devel] [PULL 06/53] hw/virtio: fix double use of a virtio flag, Michael S. Tsirkin, 2016/03/11
- [Qemu-devel] [PULL 07/53] hw/virtio: group virtio flags into an enum, Michael S. Tsirkin, 2016/03/11
- [Qemu-devel] [PULL 05/53] balloon: fix segfault and harden the stats queue, Michael S. Tsirkin, 2016/03/11
- [Qemu-devel] [PULL 08/53] virtio-balloon: add 'available' counter, Michael S. Tsirkin, 2016/03/11
- [Qemu-devel] [PULL 11/53] i386/acpi: make floppy controller object dynamic, Michael S. Tsirkin, 2016/03/11
- [Qemu-devel] [PULL 10/53] pc-dimm: fix error handling in pc_dimm_check_memdev_is_busy(), Michael S. Tsirkin, 2016/03/11
- [Qemu-devel] [PULL 09/53] vhost-user: verify that number of queues is less than MAX_QUEUE_NUM, Michael S. Tsirkin, 2016/03/11