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[Qemu-devel] [PULL 29/39] hw/acpi/aml-build: Add ToUUID macro
From: |
Peter Maydell |
Subject: |
[Qemu-devel] [PULL 29/39] hw/acpi/aml-build: Add ToUUID macro |
Date: |
Fri, 29 May 2015 14:10:35 +0100 |
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>
Reviewed-by: Igor Mammedov <address@hidden>
Reviewed-by: Michael S. Tsirkin <address@hidden>
Message-id: address@hidden
Signed-off-by: Peter Maydell <address@hidden>
---
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 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)
diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index fac70ea..a873b46 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,
--
1.9.1
- [Qemu-devel] [PULL 32/39] hw/acpi/aml-build: Add aml_else() term, (continued)
- [Qemu-devel] [PULL 32/39] hw/acpi/aml-build: Add aml_else() term, Peter Maydell, 2015/05/29
- [Qemu-devel] [PULL 20/39] hw/acpi/aml-build: Add aml_interrupt() term, Peter Maydell, 2015/05/29
- [Qemu-devel] [PULL 27/39] hw/arm/virt-acpi-build: Generate MCFG table, Peter Maydell, 2015/05/29
- [Qemu-devel] [PULL 38/39] hw/arm/virt: Enable dynamic generation of ACPI v5.1 tables, Peter Maydell, 2015/05/29
- [Qemu-devel] [PULL 21/39] hw/arm/virt-acpi-build: Generation of DSDT table for virt devices, Peter Maydell, 2015/05/29
- [Qemu-devel] [PULL 17/39] hw/arm/virt: Record PCIe ranges in MemMapEntry array, Peter Maydell, 2015/05/29
- [Qemu-devel] [PULL 01/39] target-arm: Add exception target el infrastructure, Peter Maydell, 2015/05/29
- [Qemu-devel] [PULL 22/39] hw/arm/virt-acpi-build: Generate FADT table and update ACPI headers, Peter Maydell, 2015/05/29
- [Qemu-devel] [PULL 14/39] target-arm: Add WFx instruction trap support, Peter Maydell, 2015/05/29
- [Qemu-devel] [PULL 13/39] target-arm: Don't halt on WFI unless we don't have any work, Peter Maydell, 2015/05/29
- [Qemu-devel] [PULL 29/39] hw/acpi/aml-build: Add ToUUID macro,
Peter Maydell <=
- [Qemu-devel] [PULL 18/39] hw/arm/virt-acpi-build: Basic framework for building ACPI tables on ARM, Peter Maydell, 2015/05/29
- [Qemu-devel] [PULL 05/39] target-arm: Set exception target EL in tlb_fill, Peter Maydell, 2015/05/29
- [Qemu-devel] [PULL 09/39] target-arm: Add AArch64 CPTR registers, Peter Maydell, 2015/05/29
- [Qemu-devel] [PULL 19/39] hw/acpi/aml-build: Add aml_memory32_fixed() term, Peter Maydell, 2015/05/29
- [Qemu-devel] [PULL 08/39] target-arm: Allow cp access functions to indicate traps to EL2 or EL3, Peter Maydell, 2015/05/29
- [Qemu-devel] [PULL 03/39] target-arm: Set correct syndrome for faults on MSR DAIF*, imm, Peter Maydell, 2015/05/29
- [Qemu-devel] [PULL 10/39] target-arm: Make singlestate TB flags common between AArch32/64, Peter Maydell, 2015/05/29
- [Qemu-devel] [PULL 02/39] target-arm: Extend helpers to route exceptions, Peter Maydell, 2015/05/29
- [Qemu-devel] [PULL 11/39] target-arm: Extend FP checks to use an EL, Peter Maydell, 2015/05/29
- [Qemu-devel] [PULL 24/39] hw/arm/virt-acpi-build: Generate GTDT table, Peter Maydell, 2015/05/29