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[RFC 1/5] acpi: add aml_to_decimalstring() and aml_call6() helpers
From: |
Igor Mammedov |
Subject: |
[RFC 1/5] acpi: add aml_to_decimalstring() and aml_call6() helpers |
Date: |
Tue, 22 Dec 2020 18:39:30 -0500 |
it will be used by follow up patches
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
---
include/hw/acpi/aml-build.h | 3 +++
hw/acpi/aml-build.c | 28 ++++++++++++++++++++++++++++
2 files changed, 31 insertions(+)
diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index e727bea1bc..695b7e6323 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -301,6 +301,7 @@ Aml *aml_arg(int pos);
Aml *aml_to_integer(Aml *arg);
Aml *aml_to_hexstring(Aml *src, Aml *dst);
Aml *aml_to_buffer(Aml *src, Aml *dst);
+Aml *aml_to_decimalstring(Aml *src, Aml *dst);
Aml *aml_store(Aml *val, Aml *target);
Aml *aml_and(Aml *arg1, Aml *arg2, Aml *dst);
Aml *aml_or(Aml *arg1, Aml *arg2, Aml *dst);
@@ -323,6 +324,8 @@ 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_call5(const char *method, Aml *arg1, Aml *arg2, Aml *arg3, Aml *arg4,
Aml *arg5);
+Aml *aml_call6(const char *method, Aml *arg1, Aml *arg2, Aml *arg3, Aml *arg4,
+ Aml *arg5, Aml *arg6);
Aml *aml_gpio_int(AmlConsumerAndProducer con_and_pro,
AmlLevelAndEdge edge_level,
AmlActiveHighAndLow active_level, AmlShared shared,
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index f976aa667b..89702be788 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -633,6 +633,19 @@ Aml *aml_to_buffer(Aml *src, Aml *dst)
return var;
}
+/* ACPI 2.0a: 17.2.4.4 Type 2 Opcodes Encoding: DefToDecimalString */
+Aml *aml_to_decimalstring(Aml *src, Aml *dst)
+{
+ Aml *var = aml_opcode(0x97 /* ToDecimalStringOp */);
+ aml_append(var, src);
+ if (dst) {
+ aml_append(var, dst);
+ } else {
+ 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)
{
@@ -834,6 +847,21 @@ Aml *aml_call5(const char *method, Aml *arg1, Aml *arg2,
Aml *arg3, Aml *arg4,
return var;
}
+/* helper to call method with 5 arguments */
+Aml *aml_call6(const char *method, Aml *arg1, Aml *arg2, Aml *arg3, Aml *arg4,
+ Aml *arg5, Aml *arg6)
+{
+ Aml *var = aml_alloc();
+ build_append_namestring(var->buf, "%s", method);
+ aml_append(var, arg1);
+ aml_append(var, arg2);
+ aml_append(var, arg3);
+ aml_append(var, arg4);
+ aml_append(var, arg5);
+ aml_append(var, arg6);
+ return var;
+}
+
/*
* ACPI 5.0: 6.4.3.8.1 GPIO Connection Descriptor
* Type 1, Large Item Name 0xC
--
2.27.0