diff options
Diffstat (limited to 'hw/acpi')
| -rw-r--r-- | hw/acpi/aml-build.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index fabd0adf28..57a65dd695 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -597,6 +597,31 @@ Aml *aml_field(const char *name, AmlFieldFlags flags) return var; } +/* ACPI 1.0b: 16.2.3 Data Objects Encoding: String */ +Aml *aml_string(const char *name_format, ...) +{ + Aml *var = aml_opcode(0x0D /* StringPrefix */); + va_list ap, va_len; + char *s; + int len; + + va_start(ap, name_format); + va_copy(va_len, ap); + len = vsnprintf(NULL, 0, name_format, va_len); + va_end(va_len); + len += 1; + s = g_new0(typeof(*s), len); + + len = vsnprintf(s, len, name_format, ap); + va_end(ap); + + g_array_append_vals(var->buf, s, len); + build_append_byte(var->buf, 0x0); /* NullChar */ + g_free(s); + + return var; +} + /* ACPI 1.0b: 16.2.6.2 Local Objects Encoding */ Aml *aml_local(int num) { |