From 31127938f496f56eb05dc407a31e4c5941fb436a Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Wed, 18 Feb 2015 19:14:34 +0000 Subject: [PATCH] acpi: add aml_operation_region() term Signed-off-by: Igor Mammedov Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/acpi/aml-build.c | 14 ++++++++++++++ include/hw/acpi/aml-build.h | 7 +++++++ 2 files changed, 21 insertions(+) diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index cc883ccb95..d72d5b45c8 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -554,3 +554,17 @@ Aml *aml_package(uint8_t num_elements) build_append_byte(var->buf, num_elements); return var; } + +/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefOpRegion */ +Aml *aml_operation_region(const char *name, AmlRegionSpace rs, + uint32_t offset, uint32_t len) +{ + Aml *var = aml_alloc(); + build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */ + build_append_byte(var->buf, 0x80); /* OpRegionOp */ + build_append_namestring(var->buf, "%s", name); + build_append_byte(var->buf, rs); + build_append_int(var->buf, offset); + build_append_int(var->buf, len); + return var; +} diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h index b7f491ef02..57926e5b7f 100644 --- a/include/hw/acpi/aml-build.h +++ b/include/hw/acpi/aml-build.h @@ -28,6 +28,11 @@ typedef enum { aml_decode16 = 1, } AmlIODecode; +typedef enum { + aml_system_memory = 0x00, + aml_system_io = 0x01, +} AmlRegionSpace; + /** * init_aml_allocator: * @@ -79,6 +84,8 @@ Aml *aml_call3(const char *method, Aml *arg1, Aml *arg2, Aml *arg3); Aml *aml_call4(const char *method, Aml *arg1, Aml *arg2, Aml *arg3, Aml *arg4); Aml *aml_io(AmlIODecode dec, uint16_t min_base, uint16_t max_base, uint8_t aln, uint8_t len); +Aml *aml_operation_region(const char *name, AmlRegionSpace rs, + uint32_t offset, uint32_t len); /* Block AML object primitives */ Aml *aml_scope(const char *name_format, ...) GCC_FMT_ATTR(1, 2); -- 2.39.5