Commit Graph

27 Commits

Author SHA1 Message Date
Rob Bradford
5da7c63127 acpi_tables: aml: Add support for creating fields
These fields allow you to expose the component part of an existing
buffer, such as a resource template as a new field which is required to
expose the memory CRS details.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2020-01-15 20:21:22 +01:00
Qiu Wenbo
861d902c21 acpi_tables: aml: Add support for binary operators
Signed-off-by: Qiu Wenbo <qiuwenbo@phytium.com.cn>
2019-11-29 08:47:58 +00:00
Rob Bradford
e51ebe045f acpi_tables: Add support for Buffer objects
These are necessary to populate "_MAT" entries for CPU devices.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2019-11-21 09:17:15 -08:00
Rob Bradford
39a1b8f4db acpi_tables: aml: Add support for calling methods
Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2019-11-21 09:17:15 -08:00
Rob Bradford
d5bb0781e4 acpi_tables: aml: Add support for while loops
Which also requires adding support for addition.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2019-11-21 09:17:15 -08:00
Rob Bradford
89f0db2173 acpi_tables: aml: Add support for device notification
Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2019-11-21 09:17:15 -08:00
Rob Bradford
d6696e1bdd acpi_tables: aml: Add support for mutexes
And add support for operations on them.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2019-11-21 09:17:15 -08:00
Rob Bradford
3d70ce9ad1 acpi_tables: aml: Add "if" with local variables and arguments
Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2019-11-21 09:17:15 -08:00
Rob Bradford
d06623fb97 acpi_tables: aml: Add support for OpRegion
Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2019-11-21 09:17:15 -08:00
Rob Bradford
93ee6f5e62 acpi_tables: aml: Add support for field definitions
Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2019-11-21 09:17:15 -08:00
Rob Bradford
4b5ce23d97 acpi_tables: Add PkgLength variant that does not include itself
This is necessary as adding support for NamedFields requires a PkgLength
calculation that does not include the length itself.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2019-11-21 09:17:15 -08:00
Rob Bradford
73b4668bd9 acpi_tables: Fix rustfmt failure by removing extra ";"
Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2019-11-08 20:43:52 +00:00
Rob Bradford
64368a195a acpi_tables: aml: Add support for Method and Return
This allows the implementation of simple methods that return a constant
value.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2019-11-05 14:45:21 +01:00
Rob Bradford
08d6386482 acpi_tables: aml: Add support for strings
Support strings from both static strings (&'static str) and String.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2019-11-05 14:45:21 +01:00
Rob Bradford
7c2c4fb3fc acpi_tables: aml: Rename to_bytes() to to_aml_bytes()
To avoid a clash with to_bytes() for the unsigned integer types that is
coming in a future release.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2019-10-24 10:55:02 +01:00
Rob Bradford
dd539df633 acpi_tables: sdt: Add ability to add to the table from a slice
The generic version does not work in this case as it the size of the the
&[u8] is not the size of the slice's contents but how much memory the
slice object itself takes up.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2019-10-24 10:55:02 +01:00
Rob Bradford
c76fd6df21 acpi_tables: aml: Implement AML Zero, One, Ones
These are special encodings for representing zero, one or all ones in a
single byte.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2019-10-24 10:55:02 +01:00
Rob Bradford
9269e40ba5 acpi_tables: aml: Add support for device and scope
These both group a set of AML objects together.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2019-10-24 10:55:02 +01:00
Rob Bradford
e1e0ac2ee3 acpi_tables: aml: Add support for creating IO and interrupt resources
As per ACPI spec: "6.4.2.5 I/O Port Descriptor" and "6.4.3.6 Extended
Interrupt Descriptor"

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2019-10-24 10:55:02 +01:00
Rob Bradford
08aff4ed5a acpi_tables: aml: Add support for address spaces
Add support for Word/DWord/QWord address spaces for I/O, memory and
buses. Using sensible defaults for infrequently set flags.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2019-10-24 10:55:02 +01:00
Rob Bradford
c4c3540a1d acpi_tables: aml: Add resource templates and Memory32Fixed
Add support for generating resource templates (a kind of buffer) along
with generating Memory32Fixed to go into it.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2019-10-24 10:55:02 +01:00
Rob Bradford
03d8cdc4f2 acpi_tables: aml: Generate EISA name IDs
EISA names (of the the form UUUNNNN) are encoded into a 32-bit integer.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2019-10-24 10:55:02 +01:00
Rob Bradford
3cb73b3a45 acpi_tables: aml: Add Package support
Packages are a way of grouping values together and as such they require
an explicit length which is a variable length encoding calculated with
create_pkg_length().

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2019-10-24 10:55:02 +01:00
Rob Bradford
bf0d0d9f9b acpi_tables: aml: Add support for named definitions
Named definitions use op code 0x08 and are used to name some more
complex object.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2019-10-24 10:55:02 +01:00
Rob Bradford
5a7076442c acpi_tables: aml: Implement numbers
Add support for the numerical types. By using type aliases the
generation can be very ergonomic as From<T> is implemented.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2019-10-24 10:55:02 +01:00
Rob Bradford
a4ce596f7b acpi_tables: aml: Add support for generating AML name paths
Root ("\"), single, dual and multi-part names are supported. "^" is not
supported (not widely used.)

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2019-10-24 10:55:02 +01:00
Rob Bradford
eea6f1dc9e acpi_tables: Add initial ACPI tables support
Add a revision 2 RSDP table only supporting an XSDT along with support
for creating generic SDT based tables.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2019-09-03 19:18:49 +02:00