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| author | Igor Mammedov <imammedo@redhat.com> | 2021-03-15 14:01:00 -0400 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2021-03-22 18:58:19 -0400 |
| commit | 910e4069710d854757c8fe8921dcff5b62dcd960 (patch) | |
| tree | d65cebf0a14e5ac52d14d79784fae6e12c7b8698 /hw/acpi | |
| parent | 4fd7da4c0336c8fd822cd808d62f7ff8c9936aef (diff) | |
| download | qemu-910e4069710d854757c8fe8921dcff5b62dcd960.zip qemu-910e4069710d854757c8fe8921dcff5b62dcd960.tar.gz qemu-910e4069710d854757c8fe8921dcff5b62dcd960.tar.bz2 | |
acpi: add aml_to_decimalstring() and aml_call6() helpers
it will be used by follow up patches
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20210315180102.3008391-5-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/acpi')
| -rw-r--r-- | hw/acpi/aml-build.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index a2cd7a5..d33ce89 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -634,6 +634,19 @@ 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) { @@ -835,6 +848,21 @@ 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 |