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acpi: add aml_operation_region() term

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Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Igor Mammedov 2015-02-18 19:14:34 +00:00 • committed by Michael S. Tsirkin
parent 19fff2d405
commit 31127938f4
2 changed files with 21 additions and 0 deletions
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14
hw/acpi/aml-build.c
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@ -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;
}