FreeCalypso > hg > freecalypso-citrine
annotate gpf/osl/os_drv.c @ 8:b36540edb046
L1/cfile/l1_*.c: initial import from tcs211-l1-reconst
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 09 Jun 2016 05:45:03 +0000 |
parents | 75a11d740a02 |
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rev | line source |
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1 /* |
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2 * This C module is a reconstruction based on the disassembly of |
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3 * os_drv.obj in frame_na7_db_fl.lib from the Leonardo package. |
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4 */ |
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5 |
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6 /* set of included headers from COFF symtab: */ |
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7 #include "gpfconf.h" /* FreeCalypso addition */ |
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8 #include "../../nucleus/nucleus.h" |
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9 #include "typedefs.h" |
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10 #include "gdi.h" |
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11 #include "os.h" |
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12 |
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13 typedef unsigned char u_char; |
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14 |
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15 extern OS_HANDLE os_ext_pool_handle; |
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16 |
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17 static u_char *HISR_Stack; |
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18 static T_DRV_SIGNAL *SignalID; |
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19 static void (*DrvCallback)(T_DRV_SIGNAL *); |
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20 static NU_HISR CallBack_HISR; |
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21 |
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22 #define CB_HISR_STACK_SIZE 1024 |
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23 |
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24 GLOBAL LONG |
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25 os_ExecuteCallback(OS_HANDLE Caller, void (*Callback)(T_DRV_SIGNAL *), |
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26 T_DRV_SIGNAL *Signal) |
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27 { |
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28 DrvCallback = Callback; |
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29 SignalID = Signal; |
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30 NU_Activate_HISR(&CallBack_HISR); |
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31 return(OS_OK); |
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32 } |
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33 |
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34 static void |
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35 CallbackFunc(void) |
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36 { |
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37 DrvCallback(SignalID); |
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38 } |
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39 |
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40 GLOBAL LONG |
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41 os_CreateCallback(void) |
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42 { |
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43 if (os_AllocateMemory(OS_NOTASK, (T_VOID_STRUCT **) &HISR_Stack, |
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44 CB_HISR_STACK_SIZE, 0xFFFFFFFF, |
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45 os_ext_pool_handle) == OS_ERROR) |
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46 return(OS_ERROR); |
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47 if (NU_Create_HISR(&CallBack_HISR, "CB_HISR", CallbackFunc, 2, |
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48 HISR_Stack, CB_HISR_STACK_SIZE) == NU_SUCCESS) |
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49 return(OS_OK); |
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50 else |
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51 return(OS_ERROR); |
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52 } |