From 7368a6605ffe512aa0f045311a88d4ad126ecbd3 Mon Sep 17 00:00:00 2001
From: Andrew Jones <drjones@redhat.com>
Date: Tue, 16 Jun 2015 11:48:32 +0200
Subject: [PATCH 070/217] hw/acpi/aml-build: Add ToUUID macro
Message-id: <1434455325-23399-21-git-send-email-drjones@redhat.com>
Patchwork-id: 66251
O-Subject: [AArch64 RHEL-7.2 qemu-kvm-rhev PATCH 20/33] hw/acpi/aml-build: Add ToUUID macro
Bugzilla: 1231719
RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
RH-Acked-by: Wei Huang <wei@redhat.com>
RH-Acked-by: Igor Mammedov <imammedo@redhat.com>
RH-Acked-by: Laszlo Ersek <lersek@redhat.com>
Author: Shannon Zhao <shannon.zhao@linaro.org>
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>
(cherry picked from commit b930fb9db4aa07abb8f3871eb7379242edbdf2a5)
Signed-off-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
hw/acpi/aml-build.c | 53 +++++++++++++++++++++++++++++++++++++++++++++
include/hw/acpi/aml-build.h | 1 +
2 files changed, 54 insertions(+)
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index 82a8306..e2f5845 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -963,6 +963,59 @@ 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)
diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index d6388de..29b7dbe 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -257,6 +257,7 @@ Aml *aml_buffer(int buffer_size, uint8_t *byte_list);
Aml *aml_resource_template(void);
Aml *aml_field(const char *name, AmlAccessType type, AmlUpdateRule rule);
Aml *aml_varpackage(uint32_t num_elements);
+Aml *aml_touuid(const char *uuid);
void
build_header(GArray *linker, GArray *table_data,
--
1.8.3.1