118 lines
4.4 KiB
C
118 lines
4.4 KiB
C
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/*
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*
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Copyright (c) Eicon Networks, 2002.
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*
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This source file is supplied for the use with
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Eicon Networks range of DIVA Server Adapters.
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*
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Eicon File Revision : 2.1
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*
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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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 OF ANY KIND WHATSOEVER INCLUDING ANY
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the 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
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#ifndef __DIVA_SOFT_DSP_TASK_ENTRY_H__
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#define __DIVA_SOFT_DSP_TASK_ENTRY_H__
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/*
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The soft DSP image is described by binary header contained on begin of this
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image:
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OFFSET FROM IMAGE START | VARIABLE
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------------------------------------------------------------------------
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DIVA_MIPS_TASK_IMAGE_LINK_OFFS | link to the next image
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----------------------------------------------------------------------
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DIVA_MIPS_TASK_IMAGE_GP_OFFS | image gp register value, void*
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----------------------------------------------------------------------
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DIVA_MIPS_TASK_IMAGE_ENTRY_OFFS | diva_mips_sdp_task_entry_t*
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----------------------------------------------------------------------
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DIVA_MIPS_TASK_IMAGE_LOAD_ADDR_OFFS | image image start address (void*)
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----------------------------------------------------------------------
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DIVA_MIPS_TASK_IMAGE_END_ADDR_OFFS | image image end address (void*)
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----------------------------------------------------------------------
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DIVA_MIPS_TASK_IMAGE_ID_STRING_OFFS | image id string char[...];
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----------------------------------------------------------------------
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*/
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#define DIVA_MIPS_TASK_IMAGE_LINK_OFFS 0x6C
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#define DIVA_MIPS_TASK_IMAGE_GP_OFFS 0x70
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#define DIVA_MIPS_TASK_IMAGE_ENTRY_OFFS 0x74
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#define DIVA_MIPS_TASK_IMAGE_LOAD_ADDR_OFFS 0x78
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#define DIVA_MIPS_TASK_IMAGE_END_ADDR_OFFS 0x7c
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#define DIVA_MIPS_TASK_IMAGE_ID_STRING_OFFS 0x80
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/*
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This function is called in order to set GP register of this task
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This function should be always called before any function of the
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task is called
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*/
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typedef void (*diva_task_set_prog_gp_proc_t)(void *new_gp);
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/*
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This function is called to clear .bss at task initialization step
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*/
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typedef void (*diva_task_sys_reset_proc_t)(void);
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/*
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This function is called in order to provide GP of master call to
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task, that will be used by calls from the task to the master
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*/
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typedef void (*diva_task_set_main_gp_proc_t)(void *main_gp);
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/*
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This function is called to provide address of 'dprintf' function
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to the task
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*/
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typedef word (*diva_prt_proc_t)(char *, ...);
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typedef void (*diva_task_set_prt_proc_t)(diva_prt_proc_t fn);
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/*
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This function is called to set task PID
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*/
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typedef void (*diva_task_set_pid_proc_t)(dword id);
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/*
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This function is called for run-time task init
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*/
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typedef int (*diva_task_run_time_init_proc_t)(void*, dword);
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/*
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This function is called from system scheduler or from timer
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*/
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typedef void (*diva_task_callback_proc_t)(void);
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/*
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This callback is used by task to get current time im mS
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*/
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typedef dword (*diva_task_get_tick_count_proc_t)(void);
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typedef void (*diva_task_set_get_time_proc_t)(\
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diva_task_get_tick_count_proc_t fn);
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typedef struct _diva_mips_sdp_task_entry {
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diva_task_set_prog_gp_proc_t set_gp_proc;
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diva_task_sys_reset_proc_t sys_reset_proc;
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diva_task_set_main_gp_proc_t set_main_gp_proc;
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diva_task_set_prt_proc_t set_dprintf_proc;
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diva_task_set_pid_proc_t set_pid_proc;
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diva_task_run_time_init_proc_t run_time_init_proc;
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diva_task_callback_proc_t task_callback_proc;
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diva_task_callback_proc_t timer_callback_proc;
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diva_task_set_get_time_proc_t set_get_time_proc;
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void *last_entry_proc;
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} diva_mips_sdp_task_entry_t;
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/*
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'last_entry_proc' should be set to zero and is used for future extensuios
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*/
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typedef struct _diva_mips_sw_task {
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diva_mips_sdp_task_entry_t sdp_entry;
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void *sdp_gp_reg;
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void *own_gp_reg;
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} diva_mips_sw_task_t;
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#if !defined(DIVA_BRI2F_SDP_1_NAME)
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#define DIVA_BRI2F_SDP_1_NAME "sdp0.2q0"
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#endif
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#if !defined(DIVA_BRI2F_SDP_2_NAME)
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#define DIVA_BRI2F_SDP_2_NAME "sdp1.2q0"
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#endif
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#endif
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