Commit d5e5830f authored by Igor Mammedov's avatar Igor Mammedov Committed by Michael S. Tsirkin
Browse files

acpi: add aml_string() term 



Signed-off-by: default avatarIgor Mammedov <imammedo@redhat.com>
Reviewed-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent b8a5d689

hw/acpi/aml-build.c

+25 −0
Original line number Diff line number Diff line
@@ -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)

{

include/hw/acpi/aml-build.h

+1 −0
Original line number Diff line number Diff line
@@ -92,6 +92,7 @@ Aml *aml_operation_region(const char *name, AmlRegionSpace rs, 
                          uint32_t offset, uint32_t len);

Aml *aml_named_field(const char *name, unsigned length);

Aml *aml_local(int num);

Aml *aml_string(const char *name_format, ...) GCC_FMT_ATTR(1, 2);



/* Block AML object primitives */

Aml *aml_scope(const char *name_format, ...) GCC_FMT_ATTR(1, 2);