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[Qemu-devel] [PATCH v2 25/47] acpi: add acpi_field() & acpi_named_field(
From: |
Igor Mammedov |
Subject: |
[Qemu-devel] [PATCH v2 25/47] acpi: add acpi_field() & acpi_named_field() terms |
Date: |
Thu, 22 Jan 2015 14:50:09 +0000 |
Signed-off-by: Igor Mammedov <address@hidden>
---
v2:
fix style error: line over 80 chr
---
hw/acpi/acpi-build-utils.c | 28 ++++++++++++++++++++++++++++
include/hw/acpi/acpi-build-utils.h | 6 ++++++
2 files changed, 34 insertions(+)
diff --git a/hw/acpi/acpi-build-utils.c b/hw/acpi/acpi-build-utils.c
index 9ac5a0d..8955608 100644
--- a/hw/acpi/acpi-build-utils.c
+++ b/hw/acpi/acpi-build-utils.c
@@ -225,6 +225,16 @@ 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);
@@ -558,3 +568,21 @@ AcpiAml acpi_operation_region(const char *name,
acpiRegionSpace rs,
build_append_int(var.buf, len);
return var;
}
+
+/* ACPI 5.0: 20.2.5.2 Named Objects Encoding: NamedField */
+AcpiAml acpi_named_field(const char *name, unsigned length)
+{
+ AcpiAml var = aml_allocate_internal(0, NON_BLOCK);
+ build_append_nameseg(var.buf, "%s", name);
+ build_append_pkg_length(var.buf, length, false);
+ return var;
+}
+
+/* ACPI 5.0: 20.2.5.2 Named Objects Encoding: DefField */
+AcpiAml acpi_field(const char *name, acpiFieldFlags flags)
+{
+ AcpiAml var = aml_allocate_internal(0x81 /* FieldOp */, EXT_PACKAGE);
+ build_append_namestring(var.buf, "%s", name);
+ build_append_byte(var.buf, flags);
+ return var;
+}
diff --git a/include/hw/acpi/acpi-build-utils.h
b/include/hw/acpi/acpi-build-utils.h
index cb45129..b94098a 100644
--- a/include/hw/acpi/acpi-build-utils.h
+++ b/include/hw/acpi/acpi-build-utils.h
@@ -25,6 +25,10 @@ typedef enum {
} acpiIODecode;
typedef enum {
+ acpi_byte_acc = 1,
+} acpiFieldFlags;
+
+typedef enum {
acpi_system_memory = 0x00,
acpi_system_io = 0x01,
} acpiRegionSpace;
@@ -53,6 +57,7 @@ AcpiAml acpi_io(acpiIODecode dec, uint16_t min_base, uint16_t
max_base,
uint8_t aln, uint8_t len);
AcpiAml acpi_operation_region(const char *name, acpiRegionSpace rs,
uint32_t offset, uint32_t len);
+AcpiAml acpi_named_field(const char *name, unsigned length);
/* Block ASL object primitives */
AcpiAml acpi_if(AcpiAml predicate);
@@ -62,6 +67,7 @@ AcpiAml GCC_FMT_ATTR(1, 2) acpi_device(const char
*name_format, ...);
AcpiAml acpi_buffer(void);
AcpiAml acpi_resource_template(void);
AcpiAml acpi_package(uint8_t num_elements);
+AcpiAml acpi_field(const char *name, acpiFieldFlags flags);
/* other helpers */
GArray *build_alloc_array(void);
--
1.8.3.1
- [Qemu-devel] [PATCH v2 15/47] acpi: add acpi_call1(), acpi_call2(), acpi_call3(), acpi_call4() helpers, (continued)
- [Qemu-devel] [PATCH v2 15/47] acpi: add acpi_call1(), acpi_call2(), acpi_call3(), acpi_call4() helpers, Igor Mammedov, 2015/01/22
- [Qemu-devel] [PATCH v2 13/47] acpi: add acpi_and() term, Igor Mammedov, 2015/01/22
- [Qemu-devel] [PATCH v2 08/47] acpi: extend build_append_{value|int}() to support 64-bit values, Igor Mammedov, 2015/01/22
- [Qemu-devel] [PATCH v2 18/47] pc: acpi-build: drop unsupported PM1b_CNT.SLP_TYP, Igor Mammedov, 2015/01/22
- [Qemu-devel] [PATCH v2 16/47] pc: acpi-build: drop template patching and create PCI bus tree dynamically, Igor Mammedov, 2015/01/22
- [Qemu-devel] [PATCH v2 14/47] acpi: add acpi_notify() term, Igor Mammedov, 2015/01/22
- [Qemu-devel] [PATCH v2 21/47] acpi: add acpi_resource_template() helper, Igor Mammedov, 2015/01/22
- [Qemu-devel] [PATCH v2 24/47] acpi: add acpi_operation_region() term, Igor Mammedov, 2015/01/22
- [Qemu-devel] [PATCH v2 19/47] pc: acpi-build: generate _S[345] packages dynamically, Igor Mammedov, 2015/01/22
- [Qemu-devel] [PATCH v2 22/47] acpi: add acpi_io() helper, Igor Mammedov, 2015/01/22
- [Qemu-devel] [PATCH v2 25/47] acpi: add acpi_field() & acpi_named_field() terms,
Igor Mammedov <=
- [Qemu-devel] [PATCH v2 23/47] acpi: include PkgLength size only when requested, Igor Mammedov, 2015/01/22
- [Qemu-devel] [PATCH v2 26/47] acpi: add acpi_local0() term, Igor Mammedov, 2015/01/22
- [Qemu-devel] [PATCH v2 20/47] acpi: add acpi_buffer() term, Igor Mammedov, 2015/01/22
- [Qemu-devel] [PATCH v2 28/47] pc: acpi-build: generate pvpanic device description dynamically, Igor Mammedov, 2015/01/22
- [Qemu-devel] [PATCH v2 27/47] acpi: add acpi_string() term, Igor Mammedov, 2015/01/22
- [Qemu-devel] [PATCH v2 29/47] acpi: add acpi_varpackage() term, Igor Mammedov, 2015/01/22
- [Qemu-devel] [PATCH v2 31/47] acpi: add acpi_processor() term, Igor Mammedov, 2015/01/22
- [Qemu-devel] [PATCH v2 35/47] acpi: add acpi_reserved_field() term, Igor Mammedov, 2015/01/22
- [Qemu-devel] [PATCH v2 33/47] pc: acpi-build: drop template patching and CPU hotplug objects dynamically, Igor Mammedov, 2015/01/22
- [Qemu-devel] [PATCH v2 36/47] pc: acpi-build: drop template patching and memory hotplug objects dynamically, Igor Mammedov, 2015/01/22