From 80bc09156445f1d759cf330d94800be30f70e940 Mon Sep 17 00:00:00 2001 From: Aaron Durbin Date: Wed, 19 Aug 2020 23:17:42 -0600 Subject: acpi: add more AML generation functions 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 Reviewed-on: https://review.coreboot.org/c/coreboot/+/44641 Reviewed-by: Furquan Shaikh Tested-by: build bot (Jenkins) --- src/acpi/acpigen.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) (limited to 'src/acpi') diff --git a/src/acpi/acpigen.c b/src/acpi/acpigen.c index f2187062a7..a82a66ef6e 100644 --- a/src/acpi/acpigen.c +++ b/src/acpi/acpigen.c @@ -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); +} -- cgit v1.2.3