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-rw-r--r--libacpica/rsaddr.c346
1 files changed, 346 insertions, 0 deletions
diff --git a/libacpica/rsaddr.c b/libacpica/rsaddr.c
new file mode 100644
index 00000000..583ee67d
--- /dev/null
+++ b/libacpica/rsaddr.c
@@ -0,0 +1,346 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
+/*******************************************************************************
+ *
+ * Module Name: rsaddr - Address resource descriptors (16/32/64)
+ *
+ ******************************************************************************/
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acresrc.h"
+
+#define _COMPONENT ACPI_RESOURCES
+ACPI_MODULE_NAME("rsaddr")
+/*******************************************************************************
+ *
+ * acpi_rs_convert_address16 - All WORD (16-bit) address resources
+ *
+ ******************************************************************************/
+struct acpi_rsconvert_info acpi_rs_convert_address16[5] = {
+ { ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_ADDRESS16,
+ ACPI_RS_SIZE(struct acpi_resource_address16),
+ ACPI_RSC_TABLE_SIZE(acpi_rs_convert_address16) },
+
+ { ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_ADDRESS16,
+ sizeof(struct aml_resource_address16),
+ 0 },
+
+ /* Resource Type, General Flags, and Type-Specific Flags */
+
+ { ACPI_RSC_ADDRESS, 0, 0, 0 },
+
+ /*
+ * These fields are contiguous in both the source and destination:
+ * Address Granularity
+ * Address Range Minimum
+ * Address Range Maximum
+ * Address Translation Offset
+ * Address Length
+ */
+ { ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.address16.address.granularity),
+ AML_OFFSET(address16.granularity),
+ 5 },
+
+ /* Optional resource_source (Index and String) */
+
+ { ACPI_RSC_SOURCE, ACPI_RS_OFFSET(data.address16.resource_source),
+ 0,
+ sizeof(struct aml_resource_address16) }
+};
+
+/*******************************************************************************
+ *
+ * acpi_rs_convert_address32 - All DWORD (32-bit) address resources
+ *
+ ******************************************************************************/
+
+struct acpi_rsconvert_info acpi_rs_convert_address32[5] = {
+ { ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_ADDRESS32,
+ ACPI_RS_SIZE(struct acpi_resource_address32),
+ ACPI_RSC_TABLE_SIZE(acpi_rs_convert_address32) },
+
+ { ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_ADDRESS32,
+ sizeof(struct aml_resource_address32),
+ 0 },
+
+ /* Resource Type, General Flags, and Type-Specific Flags */
+
+ { ACPI_RSC_ADDRESS, 0, 0, 0 },
+
+ /*
+ * These fields are contiguous in both the source and destination:
+ * Address Granularity
+ * Address Range Minimum
+ * Address Range Maximum
+ * Address Translation Offset
+ * Address Length
+ */
+ { ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.address32.address.granularity),
+ AML_OFFSET(address32.granularity),
+ 5 },
+
+ /* Optional resource_source (Index and String) */
+
+ { ACPI_RSC_SOURCE, ACPI_RS_OFFSET(data.address32.resource_source),
+ 0,
+ sizeof(struct aml_resource_address32) }
+};
+
+/*******************************************************************************
+ *
+ * acpi_rs_convert_address64 - All QWORD (64-bit) address resources
+ *
+ ******************************************************************************/
+
+struct acpi_rsconvert_info acpi_rs_convert_address64[5] = {
+ { ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_ADDRESS64,
+ ACPI_RS_SIZE(struct acpi_resource_address64),
+ ACPI_RSC_TABLE_SIZE(acpi_rs_convert_address64) },
+
+ { ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_ADDRESS64,
+ sizeof(struct aml_resource_address64),
+ 0 },
+
+ /* Resource Type, General Flags, and Type-Specific Flags */
+
+ { ACPI_RSC_ADDRESS, 0, 0, 0 },
+
+ /*
+ * These fields are contiguous in both the source and destination:
+ * Address Granularity
+ * Address Range Minimum
+ * Address Range Maximum
+ * Address Translation Offset
+ * Address Length
+ */
+ { ACPI_RSC_MOVE64, ACPI_RS_OFFSET(data.address64.address.granularity),
+ AML_OFFSET(address64.granularity),
+ 5 },
+
+ /* Optional resource_source (Index and String) */
+
+ { ACPI_RSC_SOURCE, ACPI_RS_OFFSET(data.address64.resource_source),
+ 0,
+ sizeof(struct aml_resource_address64) }
+};
+
+/*******************************************************************************
+ *
+ * acpi_rs_convert_ext_address64 - All Extended (64-bit) address resources
+ *
+ ******************************************************************************/
+
+struct acpi_rsconvert_info acpi_rs_convert_ext_address64[5] = {
+ { ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64,
+ ACPI_RS_SIZE(struct acpi_resource_extended_address64),
+ ACPI_RSC_TABLE_SIZE(acpi_rs_convert_ext_address64) },
+
+ { ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64,
+ sizeof(struct aml_resource_extended_address64),
+ 0 },
+
+ /* Resource Type, General Flags, and Type-Specific Flags */
+
+ { ACPI_RSC_ADDRESS, 0, 0, 0 },
+
+ /* Revision ID */
+
+ { ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.ext_address64.revision_ID),
+ AML_OFFSET(ext_address64.revision_ID),
+ 1 },
+ /*
+ * These fields are contiguous in both the source and destination:
+ * Address Granularity
+ * Address Range Minimum
+ * Address Range Maximum
+ * Address Translation Offset
+ * Address Length
+ * Type-Specific Attribute
+ */
+ { ACPI_RSC_MOVE64,
+ ACPI_RS_OFFSET(data.ext_address64.address.granularity),
+ AML_OFFSET(ext_address64.granularity),
+ 6 }
+};
+
+/*******************************************************************************
+ *
+ * acpi_rs_convert_general_flags - Flags common to all address descriptors
+ *
+ ******************************************************************************/
+
+static struct acpi_rsconvert_info acpi_rs_convert_general_flags[6] = {
+ { ACPI_RSC_FLAGINIT, 0, AML_OFFSET(address.flags),
+ ACPI_RSC_TABLE_SIZE(acpi_rs_convert_general_flags) },
+
+ /* Resource Type (Memory, Io, bus_number, etc.) */
+
+ { ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.address.resource_type),
+ AML_OFFSET(address.resource_type),
+ 1 },
+
+ /* General flags - Consume, Decode, min_fixed, max_fixed */
+
+ { ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.producer_consumer),
+ AML_OFFSET(address.flags),
+ 0 },
+
+ { ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.decode),
+ AML_OFFSET(address.flags),
+ 1 },
+
+ { ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.min_address_fixed),
+ AML_OFFSET(address.flags),
+ 2 },
+
+ { ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.max_address_fixed),
+ AML_OFFSET(address.flags),
+ 3 }
+};
+
+/*******************************************************************************
+ *
+ * acpi_rs_convert_mem_flags - Flags common to Memory address descriptors
+ *
+ ******************************************************************************/
+
+static struct acpi_rsconvert_info acpi_rs_convert_mem_flags[5] = {
+ { ACPI_RSC_FLAGINIT, 0, AML_OFFSET(address.specific_flags),
+ ACPI_RSC_TABLE_SIZE(acpi_rs_convert_mem_flags) },
+
+ /* Memory-specific flags */
+
+ { ACPI_RSC_1BITFLAG,
+ ACPI_RS_OFFSET(data.address.info.mem.write_protect),
+ AML_OFFSET(address.specific_flags),
+ 0 },
+
+ { ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.address.info.mem.caching),
+ AML_OFFSET(address.specific_flags),
+ 1 },
+
+ { ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.address.info.mem.range_type),
+ AML_OFFSET(address.specific_flags),
+ 3 },
+
+ { ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.info.mem.translation),
+ AML_OFFSET(address.specific_flags),
+ 5 }
+};
+
+/*******************************************************************************
+ *
+ * acpi_rs_convert_io_flags - Flags common to I/O address descriptors
+ *
+ ******************************************************************************/
+
+static struct acpi_rsconvert_info acpi_rs_convert_io_flags[4] = {
+ { ACPI_RSC_FLAGINIT, 0, AML_OFFSET(address.specific_flags),
+ ACPI_RSC_TABLE_SIZE(acpi_rs_convert_io_flags) },
+
+ /* I/O-specific flags */
+
+ { ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.address.info.io.range_type),
+ AML_OFFSET(address.specific_flags),
+ 0 },
+
+ { ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.info.io.translation),
+ AML_OFFSET(address.specific_flags),
+ 4 },
+
+ { ACPI_RSC_1BITFLAG,
+ ACPI_RS_OFFSET(data.address.info.io.translation_type),
+ AML_OFFSET(address.specific_flags),
+ 5 }
+};
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_rs_get_address_common
+ *
+ * PARAMETERS: resource - Pointer to the internal resource struct
+ * aml - Pointer to the AML resource descriptor
+ *
+ * RETURN: TRUE if the resource_type field is OK, FALSE otherwise
+ *
+ * DESCRIPTION: Convert common flag fields from a raw AML resource descriptor
+ * to an internal resource descriptor
+ *
+ ******************************************************************************/
+
+u8
+acpi_rs_get_address_common(struct acpi_resource *resource,
+ union aml_resource *aml)
+{
+ ACPI_FUNCTION_ENTRY();
+
+ /* Validate the Resource Type */
+
+ if ((aml->address.resource_type > 2) &&
+ (aml->address.resource_type < 0xC0)) {
+ return (FALSE);
+ }
+
+ /* Get the Resource Type and General Flags */
+
+ (void)acpi_rs_convert_aml_to_resource(resource, aml,
+ acpi_rs_convert_general_flags);
+
+ /* Get the Type-Specific Flags (Memory and I/O descriptors only) */
+
+ if (resource->data.address.resource_type == ACPI_MEMORY_RANGE) {
+ (void)acpi_rs_convert_aml_to_resource(resource, aml,
+ acpi_rs_convert_mem_flags);
+ } else if (resource->data.address.resource_type == ACPI_IO_RANGE) {
+ (void)acpi_rs_convert_aml_to_resource(resource, aml,
+ acpi_rs_convert_io_flags);
+ } else {
+ /* Generic resource type, just grab the type_specific byte */
+
+ resource->data.address.info.type_specific =
+ aml->address.specific_flags;
+ }
+
+ return (TRUE);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_rs_set_address_common
+ *
+ * PARAMETERS: aml - Pointer to the AML resource descriptor
+ * resource - Pointer to the internal resource struct
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Convert common flag fields from a resource descriptor to an
+ * AML descriptor
+ *
+ ******************************************************************************/
+
+void
+acpi_rs_set_address_common(union aml_resource *aml,
+ struct acpi_resource *resource)
+{
+ ACPI_FUNCTION_ENTRY();
+
+ /* Set the Resource Type and General Flags */
+
+ (void)acpi_rs_convert_resource_to_aml(resource, aml,
+ acpi_rs_convert_general_flags);
+
+ /* Set the Type-Specific Flags (Memory and I/O descriptors only) */
+
+ if (resource->data.address.resource_type == ACPI_MEMORY_RANGE) {
+ (void)acpi_rs_convert_resource_to_aml(resource, aml,
+ acpi_rs_convert_mem_flags);
+ } else if (resource->data.address.resource_type == ACPI_IO_RANGE) {
+ (void)acpi_rs_convert_resource_to_aml(resource, aml,
+ acpi_rs_convert_io_flags);
+ } else {
+ /* Generic resource type, just copy the type_specific byte */
+
+ aml->address.specific_flags =
+ resource->data.address.info.type_specific;
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-13 03:47:09 +0000