1 | /*-------------------------------------*/ |
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2 | /* memchnl.h */ |
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3 | /* Last change : 16. 5.95 */ |
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4 | /*-------------------------------------*/ |
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5 | /* |
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6 | * $Id$ |
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7 | */ |
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8 | |
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9 | #ifndef _MEMCHNL_H_ |
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10 | #define _MEMCHNL_H_ |
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11 | |
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12 | /* The following is a dummy for now to be filled in |
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13 | as the message passing stuff gets migrated to |
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14 | I20 (or other standard ) |
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15 | */ |
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16 | |
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17 | typedef |
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18 | struct memMsg{ |
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19 | int * foo; |
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20 | } IOTrCBlk, * iotrcb_ptr_t; |
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21 | |
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22 | typedef void * iotrcb_sgm_t; |
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23 | |
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24 | /* Interrupt arrived from X processor. |
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25 | * This is invoked from low-level interrupt dispatcher. |
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26 | */ |
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27 | extern void memChnlIntrFromHost(void); |
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28 | /* This IOT's processing is completed. |
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29 | * Signal the host, it can take it back. |
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30 | */ |
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31 | extern void memChnlIotFinished(IOTrCBlk *); |
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32 | /* A fault has just occured. Pass a signal over |
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33 | * memory channel. |
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34 | */ |
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35 | extern void memChnlI960Fault(void); |
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36 | /* IOT handler procedure. |
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37 | */ |
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38 | typedef void (* IotHandler)(IOTrCBlk *, int tr_req); |
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39 | /* Register handler to process IOT's. |
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40 | */ |
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41 | extern void memChnlRegisterHndl(IotHandler); |
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42 | /* Intermediate image buffer. |
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43 | * Defined in *.ld |
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44 | */ |
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45 | extern unsigned int downloadStart[]; |
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46 | |
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47 | typedef struct { |
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48 | int ptr_len; |
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49 | iotrcb_ptr_t ptr_loc; |
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50 | iotrcb_ptr_t * ptr_crnt; |
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51 | iotrcb_sgm_t * sgm_crnt; |
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52 | } BufLookupHndl; |
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53 | /* Procedures to travel throughout the buffer page list. |
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54 | * It should be accomplished as below: |
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55 | * ... |
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56 | * BufLookupHndl hndl; |
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57 | * char * buf; |
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58 | * if (memBufLookupInit(& hndl, iot) != 0) { |
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59 | * while ((buf = memBufLookupNext(& hndl)) != 0) { |
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60 | * ... buf is a buffer page address. |
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61 | * } |
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62 | * } |
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63 | */ |
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64 | extern BufLookupHndl * memBufLookupInit(BufLookupHndl *, IOTrCBlk *); |
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65 | extern void * memBufLookupNext(BufLookupHndl *); |
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66 | |
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67 | #endif |
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68 | /*-------------*/ |
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69 | /* End of file */ |
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70 | /*-------------*/ |
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71 | |
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