722 lines
19 KiB
C
722 lines
19 KiB
C
/****************************************************************************
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2014 - 2019 Vivante Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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*****************************************************************************
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*
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* The GPL License (GPL)
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*
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* Copyright (C) 2014 - 2019 Vivante Corporation
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*****************************************************************************
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*
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* Note: This software is released under dual MIT and GPL licenses. A
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* recipient may use this file under the terms of either the MIT license or
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* GPL License. If you wish to use only one license not the other, you can
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* indicate your decision by deleting one of the above license notices in your
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* version of this file.
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*
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*****************************************************************************/
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#include "gc_hal.h"
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#include "gc_hal_kernel.h"
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#include "gc_hal_kernel_context.h"
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/*
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* -----------------------
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* HARDWARE STATE RECORDER
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* -----------------------
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*
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* State mirror buffer is used to 'mirror' hardware states since hardware
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* states can't be dumpped. It is a context buffer which stores 'global'
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* context.
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*
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* For each commit, state recorder
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* 1) Records context buffer (if there is) and command buffers in this commit.
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* 2) Parse those buffers to estimate the state changed.
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* 3) Stores result to a mirror buffer.
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*
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* == Commit 0 ====================================================================
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*
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* Context Buffer 0
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*
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* Command Buffer 0
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*
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* Mirror Buffer 0 <- Context Buffer 0 + Command Buffer 0
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*
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* == Commit 1 ====================================================================
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*
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* Command Buffer 1
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*
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* Mirror Buffer 1 <- Command buffer 1 + Mirror Buffer 0
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*
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* == Commit 2 ====================================================================
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*
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* Context Buffer 2 (optional)
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*
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* Command Buffer 2
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*
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* Mirror Buffer 2 <- Command buffer 2 + Context Buffer 2 + Mirror Buffer 1
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*
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* == Commit N ====================================================================
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*
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* For Commit N, these buffers are needed to reproduce hardware's behavior in
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* this commit.
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*
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* Mirror Buffer [N - 1] : State Mirror accumlated by past commits,
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* which is used to restore hardware state.
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* Context Buffer [N] :
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* Command Buffer [N] : Command buffer executed by hardware in this commit.
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*
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* If sequence of states programming matters, hardware's behavior can't be reproduced,
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* but the state values stored in mirror buffer are assuring.
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*/
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/* Queue size. */
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#define gcdNUM_RECORDS 6
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typedef struct _gcsPARSER_HANDLER * gckPARSER_HANDLER;
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typedef void
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(*HandlerFunction)(
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IN gckPARSER_HANDLER Handler,
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IN gctUINT32 Addr,
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IN gctUINT32 Data
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);
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typedef struct _gcsPARSER_HANDLER
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{
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gctUINT32 type;
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gctUINT32 cmd;
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gctPOINTER private;
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HandlerFunction function;
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}
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gcsPARSER_HANDLER;
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typedef struct _gcsPARSER * gckPARSER;
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typedef struct _gcsPARSER
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{
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gctUINT8_PTR currentCmdBufferAddr;
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/* Current command. */
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gctUINT32 lo;
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gctUINT32 hi;
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gctUINT8 cmdOpcode;
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gctUINT16 cmdAddr;
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gctUINT32 cmdSize;
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gctUINT32 cmdRectCount;
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gctUINT8 skip;
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gctUINT32 skipCount;
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gctBOOL allow;
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gctBOOL stop;
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/* Callback used by parser to handle a command. */
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gckPARSER_HANDLER commandHandler;
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}
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gcsPARSER;
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typedef struct _gcsMIRROR
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{
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gctUINT32_PTR logical[gcdNUM_RECORDS];
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gctUINT32 bytes;
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gcsSTATE_MAP_PTR map;
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gctSIZE_T maxState;
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}
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gcsMIRROR;
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typedef struct _gcsDELTA
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{
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gctUINT64 commitStamp;
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gctUINT32_PTR command;
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gctUINT32 commandBytes;
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gctUINT32_PTR context;
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gctUINT32 contextBytes;
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}
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gcsDELTA;
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typedef struct _gcsRECORDER
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{
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gckOS os;
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gcsMIRROR mirror;
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gcsDELTA deltas[gcdNUM_RECORDS];
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/* Index of current record. */
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gctUINT index;
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/* Number of records. */
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gctUINT num;
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/* Plugin used by gckPARSER. */
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gcsPARSER_HANDLER recorderHandler;
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gckPARSER parser;
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}
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gcsRECORDER;
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/******************************************************************************\
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***************************** Command Buffer Parser ****************************
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\******************************************************************************/
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/*
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** Command buffer parser checks command buffer in FE's view to make sure there
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** is no format error.
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**
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** Parser provide a callback mechnisam, so plug-in can be added to implement
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** other functions.
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*/
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static void
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_HandleLoadState(
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IN OUT gckPARSER Parser
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)
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{
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gctUINT i;
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gctUINT32_PTR data = (gctUINT32_PTR)Parser->currentCmdBufferAddr;
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gctUINT32 cmdAddr = Parser->cmdAddr;
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if (Parser->commandHandler == gcvNULL
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|| Parser->commandHandler->cmd != 0x01
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)
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{
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/* No handler for this command. */
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return;
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}
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for (i = 0; i < Parser->cmdSize; i++)
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{
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Parser->commandHandler->function(Parser->commandHandler, cmdAddr, *data);
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/* Advance to next state. */
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cmdAddr++;
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data++;
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}
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}
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static void
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_GetCommand(
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IN OUT gckPARSER Parser
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)
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{
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gctUINT32 * buffer = (gctUINT32 *)Parser->currentCmdBufferAddr;
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gctUINT16 cmdRectCount;
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gctUINT16 cmdDataCount;
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Parser->hi = buffer[0];
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Parser->lo = buffer[1];
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Parser->cmdOpcode = (((((gctUINT32) (Parser->hi)) >> (0 ? 31:27)) & ((gctUINT32) ((((1 ? 31:27) - (0 ? 31:27) + 1) == 32) ? ~0U : (~(~0U << ((1 ? 31:27) - (0 ? 31:27) + 1)))))) );
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Parser->cmdRectCount = 1;
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switch (Parser->cmdOpcode)
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{
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case 0x01:
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/* Extract count. */
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Parser->cmdSize = (((((gctUINT32) (Parser->hi)) >> (0 ? 25:16)) & ((gctUINT32) ((((1 ? 25:16) - (0 ? 25:16) + 1) == 32) ? ~0U : (~(~0U << ((1 ? 25:16) - (0 ? 25:16) + 1)))))) );
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if (Parser->cmdSize == 0)
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{
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/* 0 means 1024. */
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Parser->cmdSize = 1024;
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}
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Parser->skip = (Parser->cmdSize & 0x1) ? 0 : 1;
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/* Extract address. */
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Parser->cmdAddr = (((((gctUINT32) (Parser->hi)) >> (0 ? 15:0)) & ((gctUINT32) ((((1 ? 15:0) - (0 ? 15:0) + 1) == 32) ? ~0U : (~(~0U << ((1 ? 15:0) - (0 ? 15:0) + 1)))))) );
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Parser->currentCmdBufferAddr = Parser->currentCmdBufferAddr + 4;
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Parser->skipCount = Parser->cmdSize + Parser->skip;
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break;
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case 0x05:
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Parser->cmdSize = 4;
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Parser->skipCount = gcmALIGN(Parser->cmdSize, 2);
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break;
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case 0x06:
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Parser->cmdSize = 5;
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Parser->skipCount = gcmALIGN(Parser->cmdSize, 2);
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break;
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case 0x0C:
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Parser->cmdSize = 3;
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Parser->skipCount = gcmALIGN(Parser->cmdSize, 2);
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break;
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case 0x09:
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Parser->cmdSize = 2;
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Parser->cmdAddr = 0x0F16;
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Parser->skipCount = gcmALIGN(Parser->cmdSize, 2);
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break;
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case 0x04:
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Parser->cmdSize = 1;
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Parser->cmdAddr = 0x0F06;
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cmdRectCount = (((((gctUINT32) (Parser->hi)) >> (0 ? 15:8)) & ((gctUINT32) ((((1 ? 15:8) - (0 ? 15:8) + 1) == 32) ? ~0U : (~(~0U << ((1 ? 15:8) - (0 ? 15:8) + 1)))))) );
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cmdDataCount = (((((gctUINT32) (Parser->hi)) >> (0 ? 26:16)) & ((gctUINT32) ((((1 ? 26:16) - (0 ? 26:16) + 1) == 32) ? ~0U : (~(~0U << ((1 ? 26:16) - (0 ? 26:16) + 1)))))) );
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Parser->skipCount = gcmALIGN(Parser->cmdSize, 2)
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+ cmdRectCount * 2
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+ gcmALIGN(cmdDataCount, 2);
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Parser->cmdRectCount = cmdRectCount;
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break;
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case 0x03:
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Parser->currentCmdBufferAddr = Parser->currentCmdBufferAddr + 8;
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Parser->skipCount = 0;
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break;
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case 0x02:
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Parser->currentCmdBufferAddr = Parser->currentCmdBufferAddr + 8;
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Parser->skipCount = 0;
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break;
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case 0x07:
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Parser->currentCmdBufferAddr = Parser->currentCmdBufferAddr + 8;
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Parser->skipCount = 0;
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break;
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case 0x08:
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/* Commands after LINK isn't executed, skip them. */
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Parser->stop = gcvTRUE;
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break;
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default:
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/* Unknown command is a risk. */
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Parser->allow = gcvFALSE;
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break;
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}
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}
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static void
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_ParseCommand(
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IN OUT gckPARSER Parser
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)
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{
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switch(Parser->cmdOpcode)
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{
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case 0x01:
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_HandleLoadState(Parser);
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break;
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case 0x05:
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case 0x06:
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case 0x0C:
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break;
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case 0x04:
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break;
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default:
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break;
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}
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/* Advance to next command. */
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Parser->currentCmdBufferAddr = Parser->currentCmdBufferAddr
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+ (Parser->skipCount << 2);
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}
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gceSTATUS
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gckPARSER_Parse(
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IN gckPARSER Parser,
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IN gctUINT8_PTR Buffer,
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IN gctUINT32 Bytes
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)
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{
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gckPARSER parser = Parser;
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gctUINT8_PTR end = (gctUINT8_PTR)Buffer + Bytes;
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/* Initialize parser. */
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parser->currentCmdBufferAddr = (gctUINT8_PTR)Buffer;
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parser->skip = 0;
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parser->allow = gcvTRUE;
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parser->stop = gcvFALSE;
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/* Go through command buffer until reaching the end
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** or meeting an error. */
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do
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{
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_GetCommand(parser);
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_ParseCommand(parser);
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}
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while ((parser->currentCmdBufferAddr < end)
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&& (parser->allow == gcvTRUE)
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&& (parser->stop == gcvFALSE)
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);
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if (parser->allow == gcvFALSE)
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{
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/* Error detected. */
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return gcvSTATUS_NOT_SUPPORTED;
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}
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return gcvSTATUS_OK;
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}
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/*******************************************************************************
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**
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** gckPARSER_RegisterCommandHandler
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**
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** Register a command handler which will be called when parser get a command.
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**
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*/
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gceSTATUS
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gckPARSER_RegisterCommandHandler(
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IN gckPARSER Parser,
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IN gckPARSER_HANDLER Handler
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)
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{
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Parser->commandHandler = Handler;
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return gcvSTATUS_OK;
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}
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gceSTATUS
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gckPARSER_Construct(
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IN gckOS Os,
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IN gckPARSER_HANDLER Handler,
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OUT gckPARSER * Parser
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)
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{
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gceSTATUS status;
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gckPARSER pointer;
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gcmkONERROR(gckOS_Allocate(Os, gcmSIZEOF(gcsPARSER), (gctPOINTER *)&pointer));
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/* Put it here temp, should have a more general plug-in mechnisam. */
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pointer->commandHandler = Handler;
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*Parser = pointer;
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return gcvSTATUS_OK;
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OnError:
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return status;
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}
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void
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gckPARSER_Destroy(
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IN gckOS Os,
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IN gckPARSER Parser
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)
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{
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gcmkOS_SAFE_FREE(Os, Parser);
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}
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/******************************************************************************\
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**************************** Hardware States Recorder **************************
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\******************************************************************************/
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static void
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_RecodeState(
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IN gckPARSER_HANDLER Handler,
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IN gctUINT32 Addr,
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IN gctUINT32 Data
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)
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{
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gcmkVERIFY_OK(gckRECORDER_UpdateMirror(Handler->private, Addr, Data));
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}
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static gctUINT
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_Previous(
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IN gctUINT Index
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)
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{
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if (Index == 0)
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{
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return gcdNUM_RECORDS - 1;
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}
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return Index - 1;
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}
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static gctUINT
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_Next(
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IN gctUINT Index
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)
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{
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return (Index + 1) % gcdNUM_RECORDS;
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}
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gceSTATUS
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gckRECORDER_Construct(
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IN gckOS Os,
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IN gckHARDWARE Hardware,
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OUT gckRECORDER * Recorder
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)
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{
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gceSTATUS status;
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gckCONTEXT context = gcvNULL;
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gckRECORDER recorder = gcvNULL;
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gctSIZE_T mapSize;
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gctUINT i;
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gcmkONERROR(gckCONTEXT_Construct(Os, Hardware, 0, &context));
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gcmkONERROR(gckOS_Allocate(Os, gcmSIZEOF(gcsRECORDER), (gctPOINTER *)&recorder));
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gckOS_ZeroMemory(recorder, gcmSIZEOF(gcsRECORDER));
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/* Copy state map. */
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recorder->mirror.maxState = context->maxState;
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mapSize = context->maxState * gcmSIZEOF(gcsSTATE_MAP);
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gcmkONERROR(gckOS_Allocate(Os, mapSize, (gctPOINTER *)&recorder->mirror.map));
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gckOS_MemCopy(recorder->mirror.map, context->map, mapSize);
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/* Copy context buffer. */
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recorder->mirror.bytes = context->totalSize;
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for (i = 0; i < gcdNUM_RECORDS; i++)
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{
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gcmkONERROR(gckOS_Allocate(Os, context->totalSize, (gctPOINTER *)&recorder->mirror.logical[i]));
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gckOS_MemCopy(recorder->mirror.logical[i], context->buffer->logical, context->totalSize);
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}
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for (i = 0; i < gcdNUM_RECORDS; i++)
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{
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gcmkONERROR(gckOS_Allocate(Os, gcdCMD_BUFFER_SIZE, (gctPOINTER *)&recorder->deltas[i].command));
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gcmkONERROR(gckOS_Allocate(Os, context->totalSize, (gctPOINTER *)&recorder->deltas[i].context));
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}
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recorder->index = 0;
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recorder->num = 0;
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/* Initialize Parser plugin. */
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recorder->recorderHandler.cmd = 0x01;
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recorder->recorderHandler.private = recorder;
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recorder->recorderHandler.function = _RecodeState;
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gcmkONERROR(gckPARSER_Construct(Os, &recorder->recorderHandler, &recorder->parser));
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recorder->os = Os;
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*Recorder = recorder;
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gckCONTEXT_Destroy(context);
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return gcvSTATUS_OK;
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OnError:
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if (context)
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{
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gckCONTEXT_Destroy(context);
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}
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if (recorder)
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{
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gckRECORDER_Destory(Os, recorder);
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}
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return status;
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}
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gceSTATUS
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gckRECORDER_Destory(
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IN gckOS Os,
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IN gckRECORDER Recorder
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)
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{
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gctUINT i;
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if (Recorder->mirror.map)
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{
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gcmkOS_SAFE_FREE(Os, Recorder->mirror.map);
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}
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|
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for (i = 0; i < gcdNUM_RECORDS; i++)
|
|
{
|
|
if (Recorder->mirror.logical[i])
|
|
{
|
|
gcmkOS_SAFE_FREE(Os, Recorder->mirror.logical[i]);
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < gcdNUM_RECORDS; i++)
|
|
{
|
|
if (Recorder->deltas[i].command)
|
|
{
|
|
gcmkOS_SAFE_FREE(Os, Recorder->deltas[i].command);
|
|
}
|
|
|
|
if (Recorder->deltas[i].context)
|
|
{
|
|
gcmkOS_SAFE_FREE(Os, Recorder->deltas[i].context);
|
|
}
|
|
}
|
|
|
|
if (Recorder->parser)
|
|
{
|
|
gckPARSER_Destroy(Os, Recorder->parser);
|
|
}
|
|
|
|
gcmkOS_SAFE_FREE(Os, Recorder);
|
|
|
|
return gcvSTATUS_OK;
|
|
}
|
|
|
|
gceSTATUS
|
|
gckRECORDER_UpdateMirror(
|
|
IN gckRECORDER Recorder,
|
|
IN gctUINT32 State,
|
|
IN gctUINT32 Data
|
|
)
|
|
{
|
|
gctUINT32 index;
|
|
gcsSTATE_MAP_PTR map = Recorder->mirror.map;
|
|
gctUINT32_PTR buffer = Recorder->mirror.logical[Recorder->index];
|
|
|
|
if (State >= Recorder->mirror.maxState)
|
|
{
|
|
/* Ignore them just like HW does. */
|
|
return gcvSTATUS_OK;
|
|
}
|
|
|
|
index = map[State].index;
|
|
|
|
if (index)
|
|
{
|
|
buffer[index] = Data;
|
|
}
|
|
|
|
return gcvSTATUS_OK;
|
|
}
|
|
|
|
void
|
|
gckRECORDER_AdvanceIndex(
|
|
IN gckRECORDER Recorder,
|
|
IN gctUINT64 CommitStamp
|
|
)
|
|
{
|
|
/* Get next record. */
|
|
gctUINT next = (Recorder->index + 1) % gcdNUM_RECORDS;
|
|
|
|
/* Record stamp of this commit. */
|
|
Recorder->deltas[Recorder->index].commitStamp = CommitStamp;
|
|
|
|
/* Mirror of next record is mirror of this record and delta in next record. */
|
|
gckOS_MemCopy(Recorder->mirror.logical[next],
|
|
Recorder->mirror.logical[Recorder->index], Recorder->mirror.bytes);
|
|
|
|
/* Advance to next record. */
|
|
Recorder->index = next;
|
|
|
|
Recorder->num = gcmMIN(Recorder->num + 1, gcdNUM_RECORDS - 1);
|
|
|
|
|
|
/* Reset delta. */
|
|
Recorder->deltas[Recorder->index].commandBytes = 0;
|
|
Recorder->deltas[Recorder->index].contextBytes = 0;
|
|
}
|
|
|
|
void
|
|
gckRECORDER_Record(
|
|
IN gckRECORDER Recorder,
|
|
IN gctUINT8_PTR CommandBuffer,
|
|
IN gctUINT32 CommandBytes,
|
|
IN gctUINT8_PTR ContextBuffer,
|
|
IN gctUINT32 ContextBytes
|
|
)
|
|
{
|
|
gcsDELTA * delta = &Recorder->deltas[Recorder->index];
|
|
|
|
if (CommandBytes != 0xFFFFFFFF)
|
|
{
|
|
gckPARSER_Parse(Recorder->parser, CommandBuffer, CommandBytes);
|
|
gckOS_MemCopy(delta->command, CommandBuffer, CommandBytes);
|
|
delta->commandBytes = CommandBytes;
|
|
}
|
|
|
|
if (ContextBytes != 0xFFFFFFFF)
|
|
{
|
|
gckPARSER_Parse(Recorder->parser, ContextBuffer, ContextBytes);
|
|
gckOS_MemCopy(delta->context, ContextBuffer, ContextBytes);
|
|
delta->contextBytes = ContextBytes;
|
|
}
|
|
}
|
|
|
|
void
|
|
gckRECORDER_Dump(
|
|
IN gckRECORDER Recorder
|
|
)
|
|
{
|
|
gctUINT last = Recorder->index;
|
|
gctUINT previous;
|
|
gctUINT i;
|
|
gcsMIRROR *mirror = &Recorder->mirror;
|
|
gcsDELTA *delta;
|
|
gckOS os = Recorder->os;
|
|
|
|
for (i = 0; i < Recorder->num; i++)
|
|
{
|
|
last = _Previous(last);
|
|
}
|
|
|
|
for (i = 0; i < Recorder->num; i++)
|
|
{
|
|
delta = &Recorder->deltas[last];
|
|
|
|
/* Dump record */
|
|
gcmkPRINT("#[commit %llu]", delta->commitStamp);
|
|
|
|
if (delta->commitStamp)
|
|
{
|
|
previous = _Previous(last);
|
|
|
|
gcmkPRINT("#[mirror]");
|
|
gckOS_DumpBuffer(os, gcvDUMP_BUFFER_KERNEL_CONTEXT, mirror->logical[previous], ~0U, mirror->bytes);
|
|
gcmkPRINT("#[kernel.execute]");
|
|
}
|
|
|
|
if (delta->contextBytes)
|
|
{
|
|
gckOS_DumpBuffer(os, gcvDUMP_BUFFER_KERNEL_CONTEXT, delta->context, ~0U, delta->contextBytes);
|
|
gcmkPRINT("#[kernel.execute]");
|
|
}
|
|
|
|
gckOS_DumpBuffer(os, gcvDUMP_BUFFER_KERNEL_COMMAND, delta->command, ~0U, delta->commandBytes);
|
|
gcmkPRINT("#[kernel.execute]");
|
|
|
|
last = _Next(last);
|
|
}
|
|
}
|
|
|
|
|