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/*
*
Copyright (c) Eicon Networks, 2002.
*
This source file is supplied for the use with
Eicon Networks range of DIVA Server Adapters.
*
Eicon File Revision : 2.1
*
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
*
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY OF ANY KIND WHATSOEVER INCLUDING ANY
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
*
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifndef __DIVA_SOFT_DSP_TASK_ENTRY_H__
#define __DIVA_SOFT_DSP_TASK_ENTRY_H__
/*
The soft DSP image is described by binary header contained on begin of this
image:
OFFSET FROM IMAGE START | VARIABLE
------------------------------------------------------------------------
DIVA_MIPS_TASK_IMAGE_LINK_OFFS | link to the next image
----------------------------------------------------------------------
DIVA_MIPS_TASK_IMAGE_GP_OFFS | image gp register value, void*
----------------------------------------------------------------------
DIVA_MIPS_TASK_IMAGE_ENTRY_OFFS | diva_mips_sdp_task_entry_t*
----------------------------------------------------------------------
DIVA_MIPS_TASK_IMAGE_LOAD_ADDR_OFFS | image image start address (void*)
----------------------------------------------------------------------
DIVA_MIPS_TASK_IMAGE_END_ADDR_OFFS | image image end address (void*)
----------------------------------------------------------------------
DIVA_MIPS_TASK_IMAGE_ID_STRING_OFFS | image id string char[...];
----------------------------------------------------------------------
*/
#define DIVA_MIPS_TASK_IMAGE_LINK_OFFS 0x6C
#define DIVA_MIPS_TASK_IMAGE_GP_OFFS 0x70
#define DIVA_MIPS_TASK_IMAGE_ENTRY_OFFS 0x74
#define DIVA_MIPS_TASK_IMAGE_LOAD_ADDR_OFFS 0x78
#define DIVA_MIPS_TASK_IMAGE_END_ADDR_OFFS 0x7c
#define DIVA_MIPS_TASK_IMAGE_ID_STRING_OFFS 0x80
/*
This function is called in order to set GP register of this task
This function should be always called before any function of the
task is called
*/
typedef void (*diva_task_set_prog_gp_proc_t)(void *new_gp);
/*
This function is called to clear .bss at task initialization step
*/
typedef void (*diva_task_sys_reset_proc_t)(void);
/*
This function is called in order to provide GP of master call to
task, that will be used by calls from the task to the master
*/
typedef void (*diva_task_set_main_gp_proc_t)(void *main_gp);
/*
This function is called to provide address of 'dprintf' function
to the task
*/
typedef word (*diva_prt_proc_t)(char *, ...);
typedef void (*diva_task_set_prt_proc_t)(diva_prt_proc_t fn);
/*
This function is called to set task PID
*/
typedef void (*diva_task_set_pid_proc_t)(dword id);
/*
This function is called for run-time task init
*/
typedef int (*diva_task_run_time_init_proc_t)(void*, dword);
/*
This function is called from system scheduler or from timer
*/
typedef void (*diva_task_callback_proc_t)(void);
/*
This callback is used by task to get current time im mS
*/
typedef dword (*diva_task_get_tick_count_proc_t)(void);
typedef void (*diva_task_set_get_time_proc_t)(\
diva_task_get_tick_count_proc_t fn);
typedef struct _diva_mips_sdp_task_entry {
diva_task_set_prog_gp_proc_t set_gp_proc;
diva_task_sys_reset_proc_t sys_reset_proc;
diva_task_set_main_gp_proc_t set_main_gp_proc;
diva_task_set_prt_proc_t set_dprintf_proc;
diva_task_set_pid_proc_t set_pid_proc;
diva_task_run_time_init_proc_t run_time_init_proc;
diva_task_callback_proc_t task_callback_proc;
diva_task_callback_proc_t timer_callback_proc;
diva_task_set_get_time_proc_t set_get_time_proc;
void *last_entry_proc;
} diva_mips_sdp_task_entry_t;
/*
'last_entry_proc' should be set to zero and is used for future extensuios
*/
typedef struct _diva_mips_sw_task {
diva_mips_sdp_task_entry_t sdp_entry;
void *sdp_gp_reg;
void *own_gp_reg;
} diva_mips_sw_task_t;
#if !defined(DIVA_BRI2F_SDP_1_NAME)
#define DIVA_BRI2F_SDP_1_NAME "sdp0.2q0"
#endif
#if !defined(DIVA_BRI2F_SDP_2_NAME)
#define DIVA_BRI2F_SDP_2_NAME "sdp1.2q0"
#endif
#endif
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