acpi: add aml_operation_region() term
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>
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@ -554,3 +554,17 @@ Aml *aml_package(uint8_t num_elements)
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build_append_byte(var->buf, num_elements);
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return var;
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}
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/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefOpRegion */
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Aml *aml_operation_region(const char *name, AmlRegionSpace rs,
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uint32_t offset, uint32_t len)
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{
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Aml *var = aml_alloc();
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build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */
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build_append_byte(var->buf, 0x80); /* OpRegionOp */
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build_append_namestring(var->buf, "%s", name);
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build_append_byte(var->buf, rs);
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build_append_int(var->buf, offset);
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build_append_int(var->buf, len);
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return var;
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}
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@ -28,6 +28,11 @@ typedef enum {
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aml_decode16 = 1,
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} AmlIODecode;
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typedef enum {
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aml_system_memory = 0x00,
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aml_system_io = 0x01,
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} AmlRegionSpace;
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/**
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* init_aml_allocator:
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*
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@ -79,6 +84,8 @@ Aml *aml_call3(const char *method, Aml *arg1, Aml *arg2, Aml *arg3);
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Aml *aml_call4(const char *method, Aml *arg1, Aml *arg2, Aml *arg3, Aml *arg4);
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Aml *aml_io(AmlIODecode dec, uint16_t min_base, uint16_t max_base,
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uint8_t aln, uint8_t len);
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Aml *aml_operation_region(const char *name, AmlRegionSpace rs,
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uint32_t offset, uint32_t len);
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/* Block AML object primitives */
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Aml *aml_scope(const char *name_format, ...) GCC_FMT_ATTR(1, 2);
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