/* 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;
}
/*
* ACPI 3.0: 17.5.124 ToUUID (Convert String to UUID Macro)
* e.g. UUID: aabbccdd-eeff-gghh-iijj-kkllmmnnoopp
* call aml_touuid("aabbccdd-eeff-gghh-iijj-kkllmmnnoopp");
*/
Aml *aml_touuid(const char *uuid)
{
Aml *var = aml_bundle(0x11 /* BufferOp */, AML_BUFFER);
assert(strlen(uuid) == 36);
assert(uuid[8] == '-');
assert(uuid[13] == '-');
assert(uuid[18] == '-');
assert(uuid[23] == '-');
build_append_byte(var->buf, Hex2Byte(uuid + 6)); /* dd - at offset 00 */
build_append_byte(var->buf, Hex2Byte(uuid + 4)); /* cc - at offset 01 */
build_append_byte(var->buf, Hex2Byte(uuid + 2)); /* bb - at offset 02 */
build_append_byte(var->buf, Hex2Byte(uuid + 0)); /* aa - at offset 03 */
build_append_byte(var->buf, Hex2Byte(uuid + 11)); /* ff - at offset 04 */
build_append_byte(var->buf, Hex2Byte(uuid + 9)); /* ee - at offset 05 */
build_append_byte(var->buf, Hex2Byte(uuid + 16)); /* hh - at offset 06 */
build_append_byte(var->buf, Hex2Byte(uuid + 14)); /* gg - at offset 07 */
build_append_byte(var->buf, Hex2Byte(uuid + 19)); /* ii - at offset 08 */
build_append_byte(var->buf, Hex2Byte(uuid + 21)); /* jj - at offset 09 */
build_append_byte(var->buf, Hex2Byte(uuid + 24)); /* kk - at offset 10 */
build_append_byte(var->buf, Hex2Byte(uuid + 26)); /* ll - at offset 11 */
build_append_byte(var->buf, Hex2Byte(uuid + 28)); /* mm - at offset 12 */
build_append_byte(var->buf, Hex2Byte(uuid + 30)); /* nn - at offset 13 */
build_append_byte(var->buf, Hex2Byte(uuid + 32)); /* oo - at offset 14 */
build_append_byte(var->buf, Hex2Byte(uuid + 34)); /* pp - at offset 15 */
return var;
}
/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefMethod */
Aml *aml_method(const char *name, int arg_count)
{
Aml *var = aml_bundle(0x14 /* MethodOp */, AML_PACKAGE);
build_append_namestring(var->buf, "%s", name);
build_append_byte(var->buf, arg_count); /* MethodFlags: ArgCount */
return var;
}
/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefDevice */
Aml *aml_device(const char *name_format, ...)
{
va_list ap;
Aml *var = aml_bundle(0x82 /* DeviceOp */, AML_EXT_PACKAGE);
va_start(ap, name_format);
build_append_namestringv(var->buf, name_format, ap);
va_end(ap);
return var;
}
/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefField */
Aml *aml_field(const char *name, AmlAccessType type, AmlLockRule lock,
AmlUpdateRule rule)
{
Aml *var = aml_bundle(0x81 /* FieldOp */, AML_EXT_PACKAGE);
uint8_t flags = rule << 5 | type;
flags |= lock << 4; /* LockRule at 4 bit offset */
build_append_namestring(var->buf, "%s", name);
build_append_byte(var->buf, flags);
return var;
}
/*
* ACPI 2.0b: 16.2.3.6.4.3 Unicode Macro (Convert Ascii String To Unicode)
*/
Aml *aml_unicode(const char *str)
{
int i = 0;
Aml *var = aml_bundle(0x11 /* BufferOp */, AML_BUFFER);
do {
build_append_byte(var->buf, str[i]);
build_append_byte(var->buf, 0);
i++;
} while (i <= strlen(str));
return var;
}
/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefProcessor */
Aml *aml_processor(uint8_t proc_id, uint32_t pblk_addr, uint8_t pblk_len,
const char *name_format, ...)
{
va_list ap;
Aml *var = aml_bundle(0x83 /* ProcessorOp */, AML_EXT_PACKAGE);
va_start(ap, name_format);
build_append_namestringv(var->buf, name_format, ap);
va_end(ap);
build_append_byte(var->buf, proc_id); /* ProcID */
build_append_int_noprefix(var->buf, pblk_addr, sizeof(pblk_addr));
build_append_byte(var->buf, pblk_len); /* PblkLen */
return var;
}
/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefBuffer
* Pass byte_list as NULL to request uninitialized buffer to reserve space.
*/
Aml *aml_buffer(int buffer_size, uint8_t *byte_list)
{
int i;
Aml *var = aml_bundle(0x11 /* BufferOp */, AML_BUFFER);
for (i = 0; i < buffer_size; i++) {
if (byte_list == NULL) {
build_append_byte(var->buf, 0x0);
} else {
build_append_byte(var->buf, byte_list[i]);
}
}
return var;
}
/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefMethod */
Aml *aml_method(const char *name, int arg_count, AmlSerializeFlag sflag)
{
Aml *var = aml_bundle(0x14 /* MethodOp */, AML_PACKAGE);
int methodflags;
/*
* MethodFlags:
* bit 0-2: ArgCount (0-7)
* bit 3: SerializeFlag
* 0: NotSerialized
* 1: Serialized
* bit 4-7: reserved (must be 0)
*/
assert(arg_count < 8);
methodflags = arg_count | (sflag << 3);
build_append_namestring(var->buf, "%s", name);
build_append_byte(var->buf, methodflags); /* MethodFlags: ArgCount */
return var;
}
/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefPackage */
Aml *aml_package(uint8_t num_elements)
{
Aml *var = aml_bundle(0x12 /* PackageOp */, AML_PACKAGE);
build_append_byte(var->buf, num_elements);
return var;
}
/* ACPI 1.0b: 6.4.1 ASL Macros for Resource Descriptors */
Aml *aml_resource_template(void)
{
/* ResourceTemplate is a buffer of Resources with EndTag at the end */
Aml *var = aml_bundle(0x11 /* BufferOp */, AML_RES_TEMPLATE);
return var;
}
/* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefWhile */
Aml *aml_while(Aml *predicate)
{
Aml *var = aml_bundle(0xA2 /* WhileOp */, AML_PACKAGE);
aml_append(var, predicate);
return var;
}
/* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefElse */
Aml *aml_else(void)
{
Aml *var = aml_bundle(0xA1 /* ElseOp */, AML_PACKAGE);
return var;
}
/* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefIfElse */
Aml *aml_if(Aml *predicate)
{
Aml *var = aml_bundle(0xA0 /* IfOp */, AML_PACKAGE);
aml_append(var, predicate);
return var;
}
/* ACPI 2.0a: 17.2.2 Data Objects Encoding: DefVarPackage */
Aml *aml_varpackage(uint32_t num_elements)
{
Aml *var = aml_bundle(0x13 /* VarPackageOp */, AML_PACKAGE);
build_append_int(var->buf, num_elements);
return var;
}
/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefBuffer */
Aml *aml_buffer(void)
{
Aml *var = aml_bundle(0x11 /* BufferOp */, AML_BUFFER);
return var;
}
