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acpi: add more AML generation functions

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Add the following functions to acpi AML generation code:

acpigen_write_to_integer_from_namestring()
acpigen_write_create_byte_field()
acpigen_write_create_word_field()
acpigen_write_create_dword_field()
acpigen_write_create_qword_field()

BUG=b:163583825

Change-Id: Ida151aff68f90012b16df2383fb96ddb87c3fb9c
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44641
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Aaron Durbin 2020-08-19 23:17:42 -06:00
parent 29ed4f56b5
commit 80bc091564
2 changed files with 40 additions and 0 deletions
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35
src/acpi/acpigen.c
View file

@ -1353,6 +1353,13 @@ void acpigen_write_to_integer(uint8_t src, uint8_t dst)
acpigen_emit_byte(dst);
}
void acpigen_write_to_integer_from_namestring(const char *source, uint8_t dst_op)
{
acpigen_emit_byte(TO_INTEGER_OP);
acpigen_emit_namestring(source);
acpigen_emit_byte(dst_op);
}
void acpigen_write_byte_buffer(uint8_t *arr, size_t size)
{
size_t i;
@ -1971,3 +1978,31 @@ void acpigen_notify(const char *namestr, int value)
acpigen_emit_namestring(namestr);
acpigen_write_integer(value);
}
static void _create_field(uint8_t aml_op, uint8_t srcop, size_t byte_offset, const char *name)
{
acpigen_emit_byte(aml_op);
acpigen_emit_byte(srcop);
acpigen_write_integer(byte_offset);
acpigen_emit_namestring(name);
}
void acpigen_write_create_byte_field(uint8_t op, size_t byte_offset, const char *name)
{
_create_field(CREATE_BYTE_OP, op, byte_offset, name);
}
void acpigen_write_create_word_field(uint8_t op, size_t byte_offset, const char *name)
{
_create_field(CREATE_WORD_OP, op, byte_offset, name);
}
void acpigen_write_create_dword_field(uint8_t op, size_t byte_offset, const char *name)
{
_create_field(CREATE_DWORD_OP, op, byte_offset, name);
}
void acpigen_write_create_qword_field(uint8_t op, size_t byte_offset, const char *name)
{
_create_field(CREATE_QWORD_OP, op, byte_offset, name);
}

5
src/include/acpi/acpigen.h
View file

@ -368,6 +368,7 @@ void acpigen_write_if_lequal_namestr_int(const char *namestr, uint64_t val);
void acpigen_write_else(void);
void acpigen_write_to_buffer(uint8_t src, uint8_t dst);
void acpigen_write_to_integer(uint8_t src, uint8_t dst);
void acpigen_write_to_integer_from_namestring(const char *source, uint8_t dst_op);
void acpigen_write_byte_buffer(uint8_t *arr, size_t size);
void acpigen_write_return_byte_buffer(uint8_t *arr, size_t size);
void acpigen_write_return_singleton_buffer(uint8_t arg);
@ -380,6 +381,10 @@ void acpigen_write_ADR_pci_devfn(pci_devfn_t devfn);
void acpigen_write_ADR_pci_device(const struct device *dev);
struct soundwire_address;
void acpigen_write_ADR_soundwire_device(const struct soundwire_address *address);
void acpigen_write_create_byte_field(uint8_t op, size_t byte_offset, const char *name);
void acpigen_write_create_word_field(uint8_t op, size_t byte_offset, const char *name);
void acpigen_write_create_dword_field(uint8_t op, size_t byte_offset, const char *name);
void acpigen_write_create_qword_field(uint8_t op, size_t byte_offset, const char *name);
/*
* Generate ACPI AML code for _DSM method.
* This function takes as input uuid for the device, set of callbacks and