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[Qemu-devel] [PATCH v7 14/23] hw/acpi/aml-build: Add ToUUID macro
From: |
Shannon Zhao |
Subject: |
[Qemu-devel] [PATCH v7 14/23] hw/acpi/aml-build: Add ToUUID macro |
Date: |
Thu, 14 May 2015 17:19:33 +0800 |
From: Shannon Zhao <address@hidden>
Add ToUUID macro, this is useful for generating PCIe ACPI table.
Signed-off-by: Shannon Zhao <address@hidden>
Signed-off-by: Shannon Zhao <address@hidden>
---
hw/acpi/aml-build.c | 46 +++++++++++++++++++++++++++++++++++++++++++++
include/hw/acpi/aml-build.h | 1 +
2 files changed, 47 insertions(+)
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index 6197896..0e4d35f 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -956,6 +956,52 @@ Aml *aml_qword_memory(AmlDecode dec, AmlMinFixed min_fixed,
addr_trans, len, flags);
}
+static uint8_t Hex2Byte(const char *src)
+{
+ int hi = Hex2Digit(*src++);
+ int lo = Hex2Digit(*src);
+
+ g_assert(((hi >= 0) && (hi <= 15)) && ((lo >= 0) && (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);
+
+ /* format: aabbccdd-eeff-gghh-iijj-kkllmmnnoopp */
+ g_assert((strlen(uuid) == 36) && (uuid[8] == '-') && (uuid[13] == '-')
+ && (uuid[18] == '-') && (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 615f3c1..f5e764c 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -265,6 +265,7 @@ 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,
--
2.1.0
- [Qemu-devel] [PATCH v7 07/23] hw/arm/virt-acpi-build: Generate FADT table and update ACPI headers, (continued)
- [Qemu-devel] [PATCH v7 07/23] hw/arm/virt-acpi-build: Generate FADT table and update ACPI headers, Shannon Zhao, 2015/05/14
- [Qemu-devel] [PATCH v7 04/23] hw/acpi/aml-build: Add aml_memory32_fixed() term, Shannon Zhao, 2015/05/14
- [Qemu-devel] [PATCH v7 03/23] hw/arm/virt-acpi-build: Basic framework for building ACPI tables on ARM, Shannon Zhao, 2015/05/14
- [Qemu-devel] [PATCH v7 11/23] hw/arm/virt-acpi-build: Generate RSDP table, Shannon Zhao, 2015/05/14
- [Qemu-devel] [PATCH v7 12/23] hw/arm/virt-acpi-build: Generate MCFG table, Shannon Zhao, 2015/05/14
- [Qemu-devel] [PATCH v7 08/23] hw/arm/virt-acpi-build: Generate MADT table, Shannon Zhao, 2015/05/14
- [Qemu-devel] [PATCH v7 10/23] hw/arm/virt-acpi-build: Generate RSDT table, Shannon Zhao, 2015/05/14
- [Qemu-devel] [PATCH v7 09/23] hw/arm/virt-acpi-build: Generate GTDT table, Shannon Zhao, 2015/05/14
- [Qemu-devel] [PATCH v7 17/23] hw/acpi/aml-build: Add aml_else() term, Shannon Zhao, 2015/05/14
- [Qemu-devel] [PATCH v7 14/23] hw/acpi/aml-build: Add ToUUID macro,
Shannon Zhao <=
- [Qemu-devel] [RESEND PATCH 14/23] hw/acpi/aml-build: Add ToUUID macro, Shannon Zhao, 2015/05/20
[Qemu-devel] [PATCH v7 13/23] hw/acpi/aml-build: Make aml_buffer() definition consistent with the spec, Shannon Zhao, 2015/05/14