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[Qemu-devel] [PULL 78/96] acpi: add aml_field() & aml_named_field() term
From: |
Michael S. Tsirkin |
Subject: |
[Qemu-devel] [PULL 78/96] acpi: add aml_field() & aml_named_field() terms |
Date: |
Wed, 18 Feb 2015 22:51:27 +0100 |
From: Igor Mammedov <address@hidden>
Signed-off-by: Igor Mammedov <address@hidden>
Reviewed-by: Michael S. Tsirkin <address@hidden>
Signed-off-by: Michael S. Tsirkin <address@hidden>
---
include/hw/acpi/aml-build.h | 6 ++++++
hw/acpi/aml-build.c | 28 ++++++++++++++++++++++++++++
2 files changed, 34 insertions(+)
diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index 57926e5..2bb5f39 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -29,6 +29,10 @@ typedef enum {
} AmlIODecode;
typedef enum {
+ aml_byte_acc = 1,
+} AmlFieldFlags;
+
+typedef enum {
aml_system_memory = 0x00,
aml_system_io = 0x01,
} AmlRegionSpace;
@@ -86,6 +90,7 @@ Aml *aml_io(AmlIODecode dec, uint16_t min_base, uint16_t
max_base,
uint8_t aln, uint8_t len);
Aml *aml_operation_region(const char *name, AmlRegionSpace rs,
uint32_t offset, uint32_t len);
+Aml *aml_named_field(const char *name, unsigned length);
/* Block AML object primitives */
Aml *aml_scope(const char *name_format, ...) GCC_FMT_ATTR(1, 2);
@@ -95,6 +100,7 @@ Aml *aml_if(Aml *predicate);
Aml *aml_package(uint8_t num_elements);
Aml *aml_buffer(void);
Aml *aml_resource_template(void);
+Aml *aml_field(const char *name, AmlFieldFlags flags);
/* other helpers */
GArray *build_alloc_array(void);
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index d72d5b4..b91141e 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -216,6 +216,16 @@ build_prepend_package_length(GArray *package, unsigned
length, bool incl_self)
build_prepend_byte(package, byte);
}
+static void
+build_append_pkg_length(GArray *array, unsigned length, bool incl_self)
+{
+ GArray *tmp = build_alloc_array();
+
+ build_prepend_package_length(tmp, length, incl_self);
+ build_append_array(array, tmp);
+ build_free_array(tmp);
+}
+
void build_package(GArray *package, uint8_t op)
{
build_prepend_package_length(package, package->len, true);
@@ -568,3 +578,21 @@ Aml *aml_operation_region(const char *name, AmlRegionSpace
rs,
build_append_int(var->buf, len);
return var;
}
+
+/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: NamedField */
+Aml *aml_named_field(const char *name, unsigned length)
+{
+ Aml *var = aml_alloc();
+ build_append_nameseg(var->buf, name);
+ build_append_pkg_length(var->buf, length, false);
+ return var;
+}
+
+/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefField */
+Aml *aml_field(const char *name, AmlFieldFlags flags)
+{
+ Aml *var = aml_bundle(0x81 /* FieldOp */, AML_EXT_PACKAGE);
+ build_append_namestring(var->buf, "%s", name);
+ build_append_byte(var->buf, flags);
+ return var;
+}
--
MST
- [Qemu-devel] [PULL 68/96] acpi: add aml_and() term, (continued)
- [Qemu-devel] [PULL 68/96] acpi: add aml_and() term, Michael S. Tsirkin, 2015/02/18
- [Qemu-devel] [PULL 69/96] acpi: add aml_notify() term, Michael S. Tsirkin, 2015/02/18
- [Qemu-devel] [PULL 70/96] acpi: add aml_call1(), aml_call2(), aml_call3(), aml_call4() helpers, Michael S. Tsirkin, 2015/02/18
- [Qemu-devel] [PULL 71/96] acpi: add aml_package() term, Michael S. Tsirkin, 2015/02/18
- [Qemu-devel] [PULL 72/96] pc: acpi-build: generate _S[345] packages dynamically, Michael S. Tsirkin, 2015/02/18
- [Qemu-devel] [PULL 73/96] acpi: add aml_buffer() term, Michael S. Tsirkin, 2015/02/18
- [Qemu-devel] [PULL 74/96] acpi: add aml_resource_template() helper, Michael S. Tsirkin, 2015/02/18
- [Qemu-devel] [PULL 75/96] acpi: add aml_io() helper, Michael S. Tsirkin, 2015/02/18
- [Qemu-devel] [PULL 76/96] acpi: include PkgLength size only when requested, Michael S. Tsirkin, 2015/02/18
- [Qemu-devel] [PULL 77/96] acpi: add aml_operation_region() term, Michael S. Tsirkin, 2015/02/18
- [Qemu-devel] [PULL 78/96] acpi: add aml_field() & aml_named_field() terms,
Michael S. Tsirkin <=
- [Qemu-devel] [PULL 80/96] acpi: add aml_string() term, Michael S. Tsirkin, 2015/02/18
- [Qemu-devel] [PULL 79/96] acpi: add aml_local() term, Michael S. Tsirkin, 2015/02/18
- [Qemu-devel] [PULL 81/96] pc: acpi-build: generate pvpanic device description dynamically, Michael S. Tsirkin, 2015/02/18
- [Qemu-devel] [PULL 82/96] acpi: add aml_varpackage() term, Michael S. Tsirkin, 2015/02/18
- [Qemu-devel] [PULL 83/96] acpi: add aml_equal() term, Michael S. Tsirkin, 2015/02/18
- [Qemu-devel] [PULL 84/96] acpi: add aml_processor() term, Michael S. Tsirkin, 2015/02/18
- [Qemu-devel] [PULL 85/96] acpi: add aml_eisaid() term, Michael S. Tsirkin, 2015/02/18
- [Qemu-devel] [PULL 86/96] pc: acpi-build: drop template patching and CPU hotplug objects dynamically, Michael S. Tsirkin, 2015/02/18
- [Qemu-devel] [PULL 87/96] pc: acpi-build: create CPU hotplug IO region dynamically, Michael S. Tsirkin, 2015/02/18
- [Qemu-devel] [PULL 88/96] acpi: add aml_reserved_field() term, Michael S. Tsirkin, 2015/02/18