diff options
| -rw-r--r-- | hw/acpi/aml-build.c | 32 | ||||
| -rw-r--r-- | include/hw/acpi/aml-build.h | 4 |
2 files changed, 36 insertions, 0 deletions
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index d19d1fb..cb00a1b 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_opcode(uint8_t op) +{ + Aml *var = aml_alloc(); + + var->op = op; + var->block_flags = AML_OPCODE; + return var; +} + static Aml *aml_bundle(uint8_t op, AmlBlockFlags flags) { Aml *var = aml_alloc(); @@ -356,6 +365,29 @@ Aml *aml_scope(const char *name_format, ...) return var; } +/* + * helper to construct NameString, which returns Aml object + * for using with aml_append or other aml_* terms + */ +Aml *aml_name(const char *name_format, ...) +{ + va_list ap; + Aml *var = aml_alloc(); + va_start(ap, name_format); + build_append_namestringv(var->buf, name_format, ap); + va_end(ap); + return var; +} + +/* ACPI 1.0b: 16.2.5.1 Namespace Modifier Objects Encoding: DefName */ +Aml *aml_name_decl(const char *name, Aml *val) +{ + Aml *var = aml_opcode(0x08 /* NameOp */); + build_append_namestring(var->buf, "%s", name); + aml_append(var, val); + return var; +} + /* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefIfElse */ Aml *aml_if(Aml *predicate) { diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h index 13cc9e9..946aece 100644 --- a/include/hw/acpi/aml-build.h +++ b/include/hw/acpi/aml-build.h @@ -59,6 +59,10 @@ void free_aml_allocator(void); */ void aml_append(Aml *parent_ctx, Aml *child); +/* non block AML object primitives */ +Aml *aml_name(const char *name_format, ...) GCC_FMT_ATTR(1, 2); +Aml *aml_name_decl(const char *name, Aml *val); + /* Block AML object primitives */ Aml *aml_scope(const char *name_format, ...) GCC_FMT_ATTR(1, 2); Aml *aml_device(const char *name_format, ...) GCC_FMT_ATTR(1, 2); |
