diff mbox series

[v5,04/10] acpi: add aml_land() and aml_break() primitives

Message ID 20200907112348.530921-5-imammedo@redhat.com
State New
Headers show
Series x86: fix cpu hotplug with secure boot | expand

Commit Message

Igor Mammedov Sept. 7, 2020, 11:23 a.m. UTC 
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
---
v5:
 - fix comment to match spec (Laszlo Ersek <lersek@redhat.com>)
 - reorder aml_lor() and aml_land() in header (Laszlo Ersek <lersek@redhat.com>)
---
 include/hw/acpi/aml-build.h |  2 ++
 hw/acpi/aml-build.c         | 16 ++++++++++++++++
 2 files changed, 18 insertions(+)
diff mbox series

Patch

diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index d27da03d64..fe0055fffb 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -290,6 +290,7 @@  Aml *aml_to_buffer(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);
+Aml *aml_land(Aml *arg1, Aml *arg2);
 Aml *aml_lor(Aml *arg1, Aml *arg2);
 Aml *aml_shiftleft(Aml *arg1, Aml *count);
 Aml *aml_shiftright(Aml *arg1, Aml *count, Aml *dst);
@@ -300,6 +301,7 @@  Aml *aml_increment(Aml *arg);
 Aml *aml_decrement(Aml *arg);
 Aml *aml_index(Aml *arg1, Aml *idx);
 Aml *aml_notify(Aml *arg1, Aml *arg2);
+Aml *aml_break(void);
 Aml *aml_call0(const char *method);
 Aml *aml_call1(const char *method, Aml *arg1);
 Aml *aml_call2(const char *method, Aml *arg1, Aml *arg2);
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index f6fbc9b95d..3792ba96ce 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -556,6 +556,15 @@  Aml *aml_or(Aml *arg1, Aml *arg2, Aml *dst)
     return build_opcode_2arg_dst(0x7D /* OrOp */, arg1, arg2, dst);
 }
 
+/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLAnd */
+Aml *aml_land(Aml *arg1, Aml *arg2)
+{
+    Aml *var = aml_opcode(0x90 /* LAndOp */);
+    aml_append(var, arg1);
+    aml_append(var, arg2);
+    return var;
+}
+
 /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLOr */
 Aml *aml_lor(Aml *arg1, Aml *arg2)
 {
@@ -629,6 +638,13 @@  Aml *aml_notify(Aml *arg1, Aml *arg2)
     return var;
 }
 
+/* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefBreak */
+Aml *aml_break(void)
+{
+    Aml *var = aml_opcode(0xa5 /* BreakOp */);
+    return var;
+}
+
 /* helper to call method without argument */
 Aml *aml_call0(const char *method)
 {