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annotate gsm-fw/gpf/osl/os_isr.c @ 347:c9dfa0e20640

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OSL reconstruction: os_isr.c: interrupt control functions done
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Wed, 07 May 2014 20:18:11 +0000
parents fdeea3d6582d
children e63ab4a97e24
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346
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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_isr.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 <string.h>
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8 #include "gpfconf.h" /* FreeCalypso addition */
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9 #include "../../nucleus/nucleus.h"
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10 #include "typedefs.h"
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11 #include "os.h"
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12 #include "gdi.h"
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13 #include "os_types.h"
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14 #include "os_glob.h"
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15
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16 extern T_OS_OSISR_TABLE_ENTRY OSISRTable[];
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17
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18 GLOBAL LONG
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19 os_isr_init(void)
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20 {
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21 USHORT i;
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22
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23 for (i = 1; i <= MaxOSISRs; i++)
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24 OSISRTable[i].name[0] = 0;
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25 return(OS_OK);
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26 }
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27
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28 GLOBAL LONG
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29 os_SetInterruptState(OS_INT_STATE new_state, OS_INT_STATE *old_state)
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30 {
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31 INT state;
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32
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33 if (new_state)
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34 state = NU_ENABLE_INTERRUPTS;
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35 else
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36 state = NU_DISABLE_INTERRUPTS;
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37 state = NU_Control_Interrupts(state);
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38 if (state & 0xFF)
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39 *old_state = 0;
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40 else
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41 *old_state = 1;
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42 return(OS_OK);
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43 }
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44
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45 GLOBAL LONG
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46 os_EnableInterrupts(OS_INT_STATE *old_state)
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47 {
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48 INT state;
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49
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50 state = NU_Control_Interrupts(NU_ENABLE_INTERRUPTS);
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51 if (state & 0xFF)
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52 *old_state = 0;
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53 else
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54 *old_state = 1;
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55 return(OS_OK);
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56 }
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57
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58 GLOBAL LONG
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59 os_DisableInterrupts(OS_INT_STATE *old_state)
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60 {
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61 INT state;
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62
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63 state = NU_Control_Interrupts(NU_DISABLE_INTERRUPTS);
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64 if (state & 0xFF)
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65 *old_state = 0;
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66 else
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67 *old_state = 1;
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68 return(OS_OK);
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69 }