From: Shannon Zhao <[email protected]>
Signed-off-by: Shannon Zhao <[email protected]>
Signed-off-by: Shannon Zhao <[email protected]>
Reviewed-by: Alex Bennée <[email protected]>
---
hw/acpi/aml-build.c | 9 +++++++++
include/hw/acpi/aml-build.h | 1 +
2 files changed, 10 insertions(+)
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index cd4ffe2..139099f 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -608,6 +608,15 @@ Aml *aml_irq_no_flags(uint8_t irq)
return var;
}
+/* ACPI 1.0: 16.2.3 Operators: DefLNot */
+Aml *aml_not(Aml *arg)
+{
+ Aml *var = aml_opcode(0x92 /* LNotOp */);
+ aml_append(var, arg);
+ build_append_int(var->buf, 0x00); /* NullNameOp */
+ return var;
+}
+
/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLEqual */
Aml *aml_equal(Aml *arg1, Aml *arg2)
{
diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index 61c1a03..08b3fbd 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -224,6 +224,7 @@ Aml *aml_named_field(const char *name, unsigned length);
Aml *aml_reserved_field(unsigned length);
Aml *aml_local(int num);
Aml *aml_string(const char *name_format, ...) GCC_FMT_ATTR(1, 2);
+Aml *aml_not(Aml *arg);
Aml *aml_equal(Aml *arg1, Aml *arg2);
Aml *aml_processor(uint8_t proc_id, uint32_t pblk_addr, uint8_t pblk_len,
const char *name_format, ...) GCC_FMT_ATTR(4, 5);
--
2.0.4
