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); }
u8 acpi_rs_get_address_common(struct acpi_resource *resource, union aml_resource *aml) { ACPI_FUNCTION_ENTRY(); /* */ if ((aml->address.resource_type > 2) && (aml->address.resource_type < 0xC0)) { return (FALSE); } /* */ (void)acpi_rs_convert_aml_to_resource(resource, aml, acpi_rs_convert_general_flags); /* */ 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 { /* */ resource->data.address.info.type_specific = aml->address.specific_flags; } return (TRUE); }
/******************************************************************************* * * FUNCTION: acpi_rs_convert_aml_to_resources * * PARAMETERS: acpi_walk_aml_callback * resource_ptr - Pointer to the buffer that will * contain the output structures * * RETURN: Status * * DESCRIPTION: Convert an AML resource to an internal representation of the * resource that is aligned and easier to access. * ******************************************************************************/ acpi_status acpi_rs_convert_aml_to_resources(u8 * aml, u32 length, u32 offset, u8 resource_index, void **context) { struct acpi_resource **resource_ptr = ACPI_CAST_INDIRECT_PTR(struct acpi_resource, context); struct acpi_resource *resource; union aml_resource *aml_resource; struct acpi_rsconvert_info *conversion_table; acpi_status status; ACPI_FUNCTION_TRACE(rs_convert_aml_to_resources); /* * Check that the input buffer and all subsequent pointers into it * are aligned on a native word boundary. Most important on IA64 */ resource = *resource_ptr; if (ACPI_IS_MISALIGNED(resource)) { ACPI_WARNING((AE_INFO, "Misaligned resource pointer %p", resource)); } /* Get the appropriate conversion info table */ aml_resource = ACPI_CAST_PTR(union aml_resource, aml); if (acpi_ut_get_resource_type(aml) == ACPI_RESOURCE_NAME_SERIAL_BUS) { if (aml_resource->common_serial_bus.type > AML_RESOURCE_MAX_SERIALBUSTYPE) { conversion_table = NULL; } else { /* This is an I2C, SPI, or UART serial_bus descriptor */ conversion_table = acpi_gbl_convert_resource_serial_bus_dispatch [aml_resource->common_serial_bus.type]; } } else { conversion_table = acpi_gbl_get_resource_dispatch[resource_index]; } if (!conversion_table) { ACPI_ERROR((AE_INFO, "Invalid/unsupported resource descriptor: Type 0x%2.2X", resource_index)); return_ACPI_STATUS(AE_AML_INVALID_RESOURCE_TYPE); } /* Convert the AML byte stream resource to a local resource struct */ status = acpi_rs_convert_aml_to_resource(resource, aml_resource, conversion_table); if (ACPI_FAILURE(status)) { ACPI_EXCEPTION((AE_INFO, status, "Could not convert AML resource (Type 0x%X)", *aml)); return_ACPI_STATUS(status); } ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES, "Type %.2X, AmlLength %.2X InternalLength %.2X\n", acpi_ut_get_resource_type(aml), length, resource->length)); /* Point to the next structure in the output buffer */ *resource_ptr = ACPI_NEXT_RESOURCE(resource); return_ACPI_STATUS(AE_OK); }