From: Shannon Zhao <shannon.z...@linaro.org> Add ToUUID macro, this is useful for generating PCIe ACPI table.
Signed-off-by: Shannon Zhao <zhaoshengl...@huawei.com> Signed-off-by: Shannon Zhao <shannon.z...@linaro.org> --- hw/acpi/aml-build.c | 23 +++++++++++++++++++++++ include/hw/acpi/aml-build.h | 2 ++ 2 files changed, 25 insertions(+) diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index bd1713c..5a94fc9 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -933,6 +933,29 @@ Aml *aml_qword_memory(AmlDecode dec, AmlMinFixed min_fixed, addr_trans, len, flags); } +/* + * ACPI 3.0: 17.5.124 ToUUID (Convert String to UUID Macro) + * e.g. UUID: E5C937D0-3553-4d7a-9117-EA4D19C3434D + * call aml_touuid(0xE5C937D0, 0x3553, 0x4d7a, 0x9117, 0xEA4D19C3434D); + */ +Aml *aml_touuid(int32_t val1, int16_t val2, int16_t val3, + int16_t val4, int64_t val5) +{ + int i; + Aml *UUID = aml_buffer(); + + build_append_int_noprefix(UUID->buf, val1, 4); + build_append_int_noprefix(UUID->buf, val2, 2); + build_append_int_noprefix(UUID->buf, val3, 2); + build_append_int_noprefix(UUID->buf, (val4 >> 8) & 0xFF, 1); + build_append_int_noprefix(UUID->buf, val4 & 0xFF, 1); + for (i = 40; i >= 0; i -= 8) { + build_append_int_noprefix(UUID->buf, (val5 >> i) & 0xFF, 1); + } + + return UUID; +} + void build_header(GArray *linker, GArray *table_data, AcpiTableHeader *h, const char *sig, int len, uint8_t rev) diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h index 315c729..942d986 100644 --- a/include/hw/acpi/aml-build.h +++ b/include/hw/acpi/aml-build.h @@ -209,6 +209,8 @@ Aml *aml_buffer(void); Aml *aml_resource_template(void); Aml *aml_field(const char *name, AmlFieldFlags flags); Aml *aml_varpackage(uint32_t num_elements); +Aml *aml_touuid(int32_t val1, int16_t val2, int16_t val3, + int16_t val4, int64_t val5); void build_header(GArray *linker, GArray *table_data, -- 2.0.4