From 7059eb4262d8a5575e5a81cdfac101d84a482c28 Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Thu, 10 Dec 2015 00:41:03 +0100 Subject: [PATCH] acpi: add aml_decrement() and aml_subtract() Signed-off-by: Igor Mammedov Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Reviewed-by: Marcel Apfelbaum --- hw/acpi/aml-build.c | 14 ++++++++++++++ include/hw/acpi/aml-build.h | 2 ++ 2 files changed, 16 insertions(+) diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index 15bb5bdafe..74316d111a 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -502,6 +502,12 @@ Aml *aml_add(Aml *arg1, Aml *arg2, Aml *dst) return build_opcode_2arg_dst(0x72 /* AddOp */, arg1, arg2, dst); } +/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefSubtract */ +Aml *aml_subtract(Aml *arg1, Aml *arg2, Aml *dst) +{ + return build_opcode_2arg_dst(0x74 /* SubtractOp */, arg1, arg2, dst); +} + /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefIncrement */ Aml *aml_increment(Aml *arg) { @@ -510,6 +516,14 @@ Aml *aml_increment(Aml *arg) return var; } +/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefDecrement */ +Aml *aml_decrement(Aml *arg) +{ + Aml *var = aml_opcode(0x76 /* DecrementOp */); + aml_append(var, arg); + return var; +} + /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefIndex */ Aml *aml_index(Aml *arg1, Aml *idx) { diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h index 0769b35d91..40a95d8f06 100644 --- a/include/hw/acpi/aml-build.h +++ b/include/hw/acpi/aml-build.h @@ -231,7 +231,9 @@ Aml *aml_shiftleft(Aml *arg1, Aml *count); Aml *aml_shiftright(Aml *arg1, Aml *count); Aml *aml_lless(Aml *arg1, Aml *arg2); Aml *aml_add(Aml *arg1, Aml *arg2, Aml *dst); +Aml *aml_subtract(Aml *arg1, Aml *arg2, Aml *dst); 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_call1(const char *method, Aml *arg1); -- 2.11.0