1 2 /* 3 * 4 Copyright (c) Eicon Networks, 2002. 5 * 6 This source file is supplied for the use with 7 Eicon Networks range of DIVA Server Adapters. 8 * 9 Eicon File Revision : 2.1 10 * 11 This program is free software; you can redistribute it and/or modify 12 it under the terms of the GNU General Public License as published by 13 the Free Software Foundation; either version 2, or (at your option) 14 any later version. 15 * 16 This program is distributed in the hope that it will be useful, 17 but WITHOUT ANY WARRANTY OF ANY KIND WHATSOEVER INCLUDING ANY 18 implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 19 See the GNU General Public License for more details. 20 * 21 You should have received a copy of the GNU General Public License 22 along with this program; if not, write to the Free Software 23 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 24 * 25 */ 26 #ifndef __DIVA_SOFT_DSP_TASK_ENTRY_H__ 27 #define __DIVA_SOFT_DSP_TASK_ENTRY_H__ 28 /* 29 The soft DSP image is described by binary header contained on begin of this 30 image: 31 OFFSET FROM IMAGE START | VARIABLE 32 ------------------------------------------------------------------------ 33 DIVA_MIPS_TASK_IMAGE_LINK_OFFS | link to the next image 34 ---------------------------------------------------------------------- 35 DIVA_MIPS_TASK_IMAGE_GP_OFFS | image gp register value, void* 36 ---------------------------------------------------------------------- 37 DIVA_MIPS_TASK_IMAGE_ENTRY_OFFS | diva_mips_sdp_task_entry_t* 38 ---------------------------------------------------------------------- 39 DIVA_MIPS_TASK_IMAGE_LOAD_ADDR_OFFS | image image start address (void*) 40 ---------------------------------------------------------------------- 41 DIVA_MIPS_TASK_IMAGE_END_ADDR_OFFS | image image end address (void*) 42 ---------------------------------------------------------------------- 43 DIVA_MIPS_TASK_IMAGE_ID_STRING_OFFS | image id string char[...]; 44 ---------------------------------------------------------------------- 45 */ 46 #define DIVA_MIPS_TASK_IMAGE_LINK_OFFS 0x6C 47 #define DIVA_MIPS_TASK_IMAGE_GP_OFFS 0x70 48 #define DIVA_MIPS_TASK_IMAGE_ENTRY_OFFS 0x74 49 #define DIVA_MIPS_TASK_IMAGE_LOAD_ADDR_OFFS 0x78 50 #define DIVA_MIPS_TASK_IMAGE_END_ADDR_OFFS 0x7c 51 #define DIVA_MIPS_TASK_IMAGE_ID_STRING_OFFS 0x80 52 /* 53 This function is called in order to set GP register of this task 54 This function should be always called before any function of the 55 task is called 56 */ 57 typedef void (*diva_task_set_prog_gp_proc_t)(void *new_gp); 58 /* 59 This function is called to clear .bss at task initialization step 60 */ 61 typedef void (*diva_task_sys_reset_proc_t)(void); 62 /* 63 This function is called in order to provide GP of master call to 64 task, that will be used by calls from the task to the master 65 */ 66 typedef void (*diva_task_set_main_gp_proc_t)(void *main_gp); 67 /* 68 This function is called to provide address of 'dprintf' function 69 to the task 70 */ 71 typedef word (*diva_prt_proc_t)(char *, ...); 72 typedef void (*diva_task_set_prt_proc_t)(diva_prt_proc_t fn); 73 /* 74 This function is called to set task PID 75 */ 76 typedef void (*diva_task_set_pid_proc_t)(dword id); 77 /* 78 This function is called for run-time task init 79 */ 80 typedef int (*diva_task_run_time_init_proc_t)(void*, dword); 81 /* 82 This function is called from system scheduler or from timer 83 */ 84 typedef void (*diva_task_callback_proc_t)(void); 85 /* 86 This callback is used by task to get current time im mS 87 */ 88 typedef dword (*diva_task_get_tick_count_proc_t)(void); 89 typedef void (*diva_task_set_get_time_proc_t)(\ 90 diva_task_get_tick_count_proc_t fn); 91 typedef struct _diva_mips_sdp_task_entry { 92 diva_task_set_prog_gp_proc_t set_gp_proc; 93 diva_task_sys_reset_proc_t sys_reset_proc; 94 diva_task_set_main_gp_proc_t set_main_gp_proc; 95 diva_task_set_prt_proc_t set_dprintf_proc; 96 diva_task_set_pid_proc_t set_pid_proc; 97 diva_task_run_time_init_proc_t run_time_init_proc; 98 diva_task_callback_proc_t task_callback_proc; 99 diva_task_callback_proc_t timer_callback_proc; 100 diva_task_set_get_time_proc_t set_get_time_proc; 101 void *last_entry_proc; 102 } diva_mips_sdp_task_entry_t; 103 /* 104 'last_entry_proc' should be set to zero and is used for future extensuios 105 */ 106 typedef struct _diva_mips_sw_task { 107 diva_mips_sdp_task_entry_t sdp_entry; 108 void *sdp_gp_reg; 109 void *own_gp_reg; 110 } diva_mips_sw_task_t; 111 #if !defined(DIVA_BRI2F_SDP_1_NAME) 112 #define DIVA_BRI2F_SDP_1_NAME "sdp0.2q0" 113 #endif 114 #if !defined(DIVA_BRI2F_SDP_2_NAME) 115 #define DIVA_BRI2F_SDP_2_NAME "sdp1.2q0" 116 #endif 117 #endif 118