FreeCalypso > hg > freecalypso-sw
annotate gsm-fw/gpf/osl/os_mem_ir.c @ 437:1d78af921a5a
os_mem_ir.c: os_PartitionCheck() done
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Sun, 22 Jun 2014 21:01:32 +0000 |
parents | adfc04008d75 |
children | 0eb7c6389717 |
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_mem.obj in frame_na7_db_ir.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 <stdio.h> |
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8 #include <string.h> |
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9 #include "gpfconf.h" /* FreeCalypso addition */ |
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10 #include "../../nucleus/nucleus.h" |
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11 #include "typedefs.h" |
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12 #include "os.h" |
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13 #include "gdi.h" |
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14 #include "os_types.h" |
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15 #include "os_glob.h" |
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16 |
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17 extern T_OS_PART_GRP_TABLE_ENTRY PartGrpTable[]; |
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18 extern T_OS_POOL_BORDER PoolBorder[]; |
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19 |
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20 GLOBAL LONG |
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21 os_is_valid_partition(T_VOID_STRUCT *Buffer) |
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22 { |
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23 int i; |
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24 |
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25 for (i = 0; i <= MaxPoolGroups; i++) { |
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26 if (PoolBorder[i].End == 0) |
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27 return(OS_ERROR); |
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28 if ((char *)Buffer < PoolBorder[i].Start) |
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29 continue; |
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30 if ((char *)Buffer >= PoolBorder[i].End) |
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31 continue; |
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32 return(OS_OK); |
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33 } |
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34 return(OS_ERROR); |
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35 } |
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36 |
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37 GLOBAL LONG |
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38 os_PartitionCheck(ULONG *ptr) |
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39 { |
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40 PM_HEADER *phdr; |
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41 PM_PCB *pool; |
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42 |
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43 phdr = (PM_HEADER *)(ptr - 2); |
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44 if (phdr->pm_next_available) |
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45 return(OS_PARTITION_FREE); |
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46 pool = phdr->pm_partition_pool; |
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47 if (ptr[(pool->pm_partition_size - 4) >> 2] == GUARD_PATTERN) |
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48 return(OS_OK); |
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49 else |
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50 return(OS_PARTITION_GUARD_PATTERN_DESTROYED); |
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51 } |