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author | Shannon Zhao <shannon.zhao@linaro.org> | 2015-05-29 11:28:57 +0100 |
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committer | Peter Maydell <peter.maydell@linaro.org> | 2015-05-29 11:28:57 +0100 |
commit | b930fb9db4aa07abb8f3871eb7379242edbdf2a5 (patch) | |
tree | 183474ccf69036c581a3c08b09795c078c83f11b /hw/acpi | |
parent | ed8b5847e46c24d6e9c286892a00a34bee9b0835 (diff) | |
download | qemu-b930fb9db4aa07abb8f3871eb7379242edbdf2a5.zip qemu-b930fb9db4aa07abb8f3871eb7379242edbdf2a5.tar.gz qemu-b930fb9db4aa07abb8f3871eb7379242edbdf2a5.tar.bz2 |
hw/acpi/aml-build: Add ToUUID macro
Add ToUUID macro, this is useful for generating PCIe ACPI table.
Signed-off-by: Shannon Zhao <zhaoshenglong@huawei.com>
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 1432522520-8068-16-git-send-email-zhaoshenglong@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/acpi')
-rw-r--r-- | hw/acpi/aml-build.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index 22478c2..ebce504 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -962,6 +962,59 @@ Aml *aml_qword_memory(AmlDecode dec, AmlMinFixed min_fixed, addr_trans, len, flags); } +static uint8_t Hex2Byte(const char *src) +{ + int hi, lo; + + hi = Hex2Digit(src[0]); + assert(hi >= 0); + assert(hi <= 15); + + lo = Hex2Digit(src[1]); + assert(lo >= 0); + assert(lo <= 15); + return (hi << 4) | lo; +} + +/* + * ACPI 3.0: 17.5.124 ToUUID (Convert String to UUID Macro) + * e.g. UUID: aabbccdd-eeff-gghh-iijj-kkllmmnnoopp + * call aml_touuid("aabbccdd-eeff-gghh-iijj-kkllmmnnoopp"); + */ +Aml *aml_touuid(const char *uuid) +{ + Aml *var = aml_bundle(0x11 /* BufferOp */, AML_BUFFER); + + assert(strlen(uuid) == 36); + assert(uuid[8] == '-'); + assert(uuid[13] == '-'); + assert(uuid[18] == '-'); + assert(uuid[23] == '-'); + + build_append_byte(var->buf, Hex2Byte(uuid + 6)); /* dd - at offset 00 */ + build_append_byte(var->buf, Hex2Byte(uuid + 4)); /* cc - at offset 01 */ + build_append_byte(var->buf, Hex2Byte(uuid + 2)); /* bb - at offset 02 */ + build_append_byte(var->buf, Hex2Byte(uuid + 0)); /* aa - at offset 03 */ + + build_append_byte(var->buf, Hex2Byte(uuid + 11)); /* ff - at offset 04 */ + build_append_byte(var->buf, Hex2Byte(uuid + 9)); /* ee - at offset 05 */ + + build_append_byte(var->buf, Hex2Byte(uuid + 16)); /* hh - at offset 06 */ + build_append_byte(var->buf, Hex2Byte(uuid + 14)); /* gg - at offset 07 */ + + build_append_byte(var->buf, Hex2Byte(uuid + 19)); /* ii - at offset 08 */ + build_append_byte(var->buf, Hex2Byte(uuid + 21)); /* jj - at offset 09 */ + + build_append_byte(var->buf, Hex2Byte(uuid + 24)); /* kk - at offset 10 */ + build_append_byte(var->buf, Hex2Byte(uuid + 26)); /* ll - at offset 11 */ + build_append_byte(var->buf, Hex2Byte(uuid + 28)); /* mm - at offset 12 */ + build_append_byte(var->buf, Hex2Byte(uuid + 30)); /* nn - at offset 13 */ + build_append_byte(var->buf, Hex2Byte(uuid + 32)); /* oo - at offset 14 */ + build_append_byte(var->buf, Hex2Byte(uuid + 34)); /* pp - at offset 15 */ + + return var; +} + void build_header(GArray *linker, GArray *table_data, AcpiTableHeader *h, const char *sig, int len, uint8_t rev) |