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| author | Xiao Guangrong <guangrong.xiao@linux.intel.com> | 2016-03-01 18:56:03 +0800 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2016-03-11 14:54:27 +0200 |
| commit | 39b6dbd8d7bbaa864ce42dcdcffe79313de9f2d6 (patch) | |
| tree | 73c48417f1ba135e9c14b2d11e835304c3aff7de /hw/acpi | |
| parent | a648c137383d84bc4f95696e5293978d9541a26e (diff) | |
| download | qemu-39b6dbd8d7bbaa864ce42dcdcffe79313de9f2d6.zip qemu-39b6dbd8d7bbaa864ce42dcdcffe79313de9f2d6.tar.gz qemu-39b6dbd8d7bbaa864ce42dcdcffe79313de9f2d6.tar.bz2 | |
acpi: add aml_create_field()
It will be used by nvdimm acpi
Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.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 | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index 6675535..45b7f0a 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -997,6 +997,20 @@ Aml *create_field_common(int opcode, Aml *srcbuf, Aml *index, const char *name) return var; } +/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefCreateField */ +Aml *aml_create_field(Aml *srcbuf, Aml *bit_index, Aml *num_bits, + const char *name) +{ + Aml *var = aml_alloc(); + build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */ + build_append_byte(var->buf, 0x13); /* CreateFieldOp */ + aml_append(var, srcbuf); + aml_append(var, bit_index); + aml_append(var, num_bits); + build_append_namestring(var->buf, "%s", name); + return var; +} + /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefCreateDWordField */ Aml *aml_create_dword_field(Aml *srcbuf, Aml *index, const char *name) { |