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-rw-r--r--hw/acpi/aml-build.c9
-rw-r--r--include/hw/acpi/aml-build.h1
2 files changed, 10 insertions, 0 deletions
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index b4fff5f..f58eb01 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -427,6 +427,15 @@ Aml *aml_arg(int pos)
return var;
}
+/* ACPI 2.0a: 17.2.4.4 Type 2 Opcodes Encoding: DefToInteger */
+Aml *aml_to_integer(Aml *arg)
+{
+ Aml *var = aml_opcode(0x99 /* ToIntegerOp */);
+ aml_append(var, arg);
+ build_append_byte(var->buf, 0x00 /* NullNameOp */);
+ return var;
+}
+
/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefStore */
Aml *aml_store(Aml *val, Aml *target)
{
diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index 81326bd..c3d3fd5 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -224,6 +224,7 @@ Aml *aml_name_decl(const char *name, Aml *val);
Aml *aml_return(Aml *val);
Aml *aml_int(const uint64_t val);
Aml *aml_arg(int pos);
+Aml *aml_to_integer(Aml *arg);
Aml *aml_store(Aml *val, Aml *target);
Aml *aml_and(Aml *arg1, Aml *arg2);
Aml *aml_or(Aml *arg1, Aml *arg2);
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