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/*
* Copyright (c) 2011-2018, Texas Instruments Incorporated
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of Texas Instruments Incorporated nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* ======== Resource.xdc ========
*/
/*!
* ======== Resource ========
* Resource Module
*/
@Template("./Resource.xdt")
@ModuleStartup
module Resource {
/*!
* @def Resource_loadAddr
* @brief Default load address for the Resource table
*/
metaonly config UInt loadAddr = 0x3000;
/*!
* @def Resource_loadSegment
* @brief If loadSegment is defined, loadAddr is overridden with the base
* address of the loadSegment
*/
metaonly config String loadSegment;
/*!
* @def Resource_loadSymbol
* @brief If loadSymbol is defined, loadAddr is overridden with the
* loadSymbol as external pointer
*/
metaonly config String loadSymbol;
/*!
* @def Resource_traceOnly
* @brief Set traceOnly to true in order to get an image with trace
* resources only, and without VRINGs.
* Implemented only for the Keystone II (TCI6638) platform.
*/
metaonly config Bool traceOnly = false;
/*!
* Flag to indicate the user will provide a custom resource table
*
* If false (the default), a default resource table will be
* created during configuration.
*
* If true, the user must supply their own resource table.
* Fundamentally, this amounts to providing a well-formed
* resource_table structure named 'ti_ipc_remoteproc_ResourceTable'.
*/
metaonly config Bool customTable = false;
/*!
* @def Resource_S_SUCCESS
* @brief Operation is successful.
*/
const Int S_SUCCESS = 0;
/*!
* @def Resource_E_NOTFOUND
* @brief Element was not found in table
*/
const Int E_NOTFOUND = -1;
/*!
* @def Resource_RscTable
*
* @brief An open-ended type-length-value based resource table
*/
struct RscTable {
UInt32 ver;
UInt32 num;
UInt32 reserved[2];
UInt32 offset[1];
};
/*!
* @def Resource_MemEntry
*
* @brief A Resource Table memory type record
*/
struct MemEntry {
UInt32 type;
UInt32 da; /* Device Virtual Address */
UInt32 pa; /* Physical Address */
UInt32 len;
UInt32 flags;
UInt32 reserved;
Char name[32];
};
/*!
* @brief Virtual to Physical address translation function
*
* @sa Resource_physToVirt
*/
@DirectCall
Int virtToPhys(UInt32 da, UInt32 *pa);
/*!
* @brief Physical to Virtual address translation function
*
* @sa Resource_virtToPhys
*/
@DirectCall
Int physToVirt(UInt32 pa, UInt32 *da);
/*!
* @brief Get the Trace Buffer address from resource table.
*
* @return Pointer to trace buffer, or NULL if not found.
*/
@DirectCall
Ptr getTraceBufPtr();
/*!
* @brief Get the Trace Buffer Size from resource table.
*
* @return Size of trace buffer, or NULL if not found.
*/
@DirectCall
SizeT getTraceBufSize();
/*!
* @brief Get the status field of the VDEV, given the fw_rsc_vdev id.
*
* @return status value which is set by Virtio device on HLOS.
*/
@DirectCall
Char getVdevStatus(UInt32 id);
/*!
* @brief Get the nth (vqId) vring address from the VDEV struct.
*
* @return NULL if no VDEV found, or vqId is not found.
*/
@DirectCall
Ptr getVringDA(UInt32 vqId);
internal: /* not for client use */
/*!
* @brief Use resource and resourceLen so table could be properly
* allocated
*
*/
Void init();
/*!
* @brief Return the i-th entry in the resource table if the entry
* is of type CARVEOUT or DEVMEM, or NULL otherwise.
*
*/
MemEntry *getMemEntry(UInt index);
struct Module_State {
RscTable *pTable; /* Resource Resource Table pointer */
};
}
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