FreeCalypso > hg > freecalypso-sw
annotate gsm-fw/gpf/osl/os_mem_ir.c @ 499:4d2c0430851a
osx.c: osx_receive_prim() done
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Tue, 01 Jul 2014 18:17:25 +0000 |
parents | c2da9dd01f85 |
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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 } |
437
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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 } |
438
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52 |
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53 GLOBAL LONG |
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54 os_DeallocatePartition(OS_HANDLE TaskHandle, T_VOID_STRUCT *Buffer) |
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55 { |
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56 if (os_is_valid_partition(Buffer) != OS_OK) |
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57 return(OS_ERROR); |
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58 if (NU_Deallocate_Partition(Buffer) != NU_SUCCESS) |
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59 return(OS_ERROR); |
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60 return(OS_OK); |
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61 } |
439
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62 |
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63 GLOBAL LONG |
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64 os_AllocatePartition(OS_HANDLE TaskHandle, T_VOID_STRUCT **Buffer, ULONG Size, |
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65 ULONG Suspend, OS_HANDLE GroupHandle) |
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66 { |
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67 T_OS_PART_POOL *pool, *requested_pool; |
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68 ULONG nu_suspend; |
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69 STATUS sts; |
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70 int ret; |
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71 |
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72 for (pool = PartGrpTable[GroupHandle].grp_head; pool; |
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73 pool = pool->next) |
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74 if (Size <= pool->size) |
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75 break; |
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76 if (!pool) |
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77 return(OS_ERROR); |
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78 requested_pool = pool; |
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79 ret = OS_OK; |
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80 nu_suspend = NU_NO_SUSPEND; |
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81 try_alloc: |
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82 sts = NU_Allocate_Partition(&pool->pcb, (VOID **) Buffer, nu_suspend); |
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83 switch (sts) { |
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84 case NU_SUCCESS: |
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85 return(ret); |
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86 case NU_TIMEOUT: |
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87 case NU_INVALID_SUSPEND: |
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88 *Buffer = 0; |
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89 return(OS_TIMEOUT); |
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90 case NU_NO_PARTITION: |
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91 pool = pool->next; |
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92 if (pool) { |
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93 ret = OS_ALLOCATED_BIGGER; |
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94 goto try_alloc; |
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95 } |
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96 pool = requested_pool; |
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97 if (Suspend) { |
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98 nu_suspend = Suspend; |
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99 ret = OS_WAITED; |
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100 goto try_alloc; |
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101 } |
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102 return(OS_TIMEOUT); |
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103 default: |
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104 *Buffer = 0; |
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105 return(OS_ERROR); |
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106 } |
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107 } |