Commit 31127938 authored by Igor Mammedov's avatar Igor Mammedov Committed by Michael S. Tsirkin
Browse files

acpi: add aml_operation_region() term 



Signed-off-by: default avatarIgor Mammedov <imammedo@redhat.com>
Reviewed-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent 19fff2d4

hw/acpi/aml-build.c

+14 −0
Original line number Diff line number Diff line
@@ -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;

}

include/hw/acpi/aml-build.h

+7 −0
Original line number Diff line number Diff line
@@ -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);