diff options
| -rw-r--r-- | hw/acpi/aml-build.c | 20 | ||||
| -rw-r--r-- | include/hw/acpi/aml-build.h | 3 |
2 files changed, 23 insertions, 0 deletions
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index caf792b5d2..f891406d5f 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -271,6 +271,15 @@ static Aml *aml_alloc(void) return var; } +static Aml *aml_bundle(uint8_t op, AmlBlockFlags flags) +{ + Aml *var = aml_alloc(); + + var->op = op; + var->block_flags = flags; + return var; +} + static void aml_free(gpointer data) { Aml *var = data; @@ -335,3 +344,14 @@ void aml_append(Aml *parent_ctx, Aml *child) } build_append_array(parent_ctx->buf, child->buf); } + +/* ACPI 1.0b: 16.2.5.1 Namespace Modifier Objects Encoding: DefScope */ +Aml *aml_scope(const char *name_format, ...) +{ + va_list ap; + Aml *var = aml_bundle(0x10 /* ScopeOp */, AML_PACKAGE); + va_start(ap, name_format); + build_append_namestringv(var->buf, name_format, ap); + va_end(ap); + return var; +} diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h index 1e1b03bc4e..05dd3fcbb2 100644 --- a/include/hw/acpi/aml-build.h +++ b/include/hw/acpi/aml-build.h @@ -59,6 +59,9 @@ void free_aml_allocator(void); */ void aml_append(Aml *parent_ctx, Aml *child); +/* Block AML object primitives */ +Aml *aml_scope(const char *name_format, ...) GCC_FMT_ATTR(1, 2); + /* other helpers */ GArray *build_alloc_array(void); void build_free_array(GArray *array); |