FreeCalypso > hg > fc-magnetite

annotate src/gpf2/osl/os_mem_ir.c @ 545:2f880890c189

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doc/Voice-pseudo-modem: minor update for C155 support
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 07 Nov 2018 04:28:53 +0000
parents e9bdc8184d50
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
487
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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1 /*
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
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2 * This C module is a reconstruction based on the disassembly of
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
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3 * os_mem.obj in frame_na7_db_ir.lib from the Leonardo package.
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4 */
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
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5
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6 /* set of included headers from COFF symtab: */
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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7 #include <stdio.h>
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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8 #include <string.h>
494
e9bdc8184d50 OSL: os_mem_ir.c compiles
Mychaela Falconia <falcon@freecalypso.org>
parents: 487
diff changeset
9 #include "nucleus.h"
487
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
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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"
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
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15
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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16 extern T_OS_PART_GRP_TABLE_ENTRY PartGrpTable[];
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
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17 extern T_OS_POOL_BORDER PoolBorder[];
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
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18
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
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19 GLOBAL LONG
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20 os_is_valid_partition(T_VOID_STRUCT *Buffer)
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21 {
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22 int i;
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23
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24 for (i = 0; i <= MaxPoolGroups; i++) {
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
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25 if (PoolBorder[i].End == 0)
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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26 return(OS_ERROR);
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27 if ((char *)Buffer < PoolBorder[i].Start)
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
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28 continue;
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
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29 if ((char *)Buffer >= PoolBorder[i].End)
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30 continue;
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31 return(OS_OK);
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32 }
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33 return(OS_ERROR);
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34 }
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35
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36 GLOBAL LONG
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37 os_PartitionCheck(ULONG *ptr)
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38 {
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39 PM_HEADER *phdr;
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Mychaela Falconia <falcon@freecalypso.org>
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40 PM_PCB *pool;
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41
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42 phdr = (PM_HEADER *)(ptr - 2);
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43 if (phdr->pm_next_available)
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44 return(OS_PARTITION_FREE);
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45 pool = phdr->pm_partition_pool;
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46 if (ptr[(pool->pm_partition_size - 4) >> 2] == GUARD_PATTERN)
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47 return(OS_OK);
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48 else
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49 return(OS_PARTITION_GUARD_PATTERN_DESTROYED);
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50 }
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51
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52 GLOBAL LONG
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53 os_DeallocatePartition(OS_HANDLE TaskHandle, T_VOID_STRUCT *Buffer)
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54 {
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55 if (os_is_valid_partition(Buffer) != OS_OK)
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56 return(OS_ERROR);
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57 if (NU_Deallocate_Partition(Buffer) != NU_SUCCESS)
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58 return(OS_ERROR);
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59 return(OS_OK);
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60 }
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61
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
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parents:
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62 GLOBAL LONG
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Mychaela Falconia <falcon@freecalypso.org>
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63 os_AllocatePartition(OS_HANDLE TaskHandle, T_VOID_STRUCT **Buffer, ULONG Size,
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64 ULONG Suspend, OS_HANDLE GroupHandle)
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65 {
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66 T_OS_PART_POOL *pool, *requested_pool;
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67 ULONG nu_suspend;
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68 STATUS sts;
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69 int ret;
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70
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71 for (pool = PartGrpTable[GroupHandle].grp_head; pool;
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72 pool = pool->next)
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73 if (Size <= pool->size)
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74 break;
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75 if (!pool)
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76 return(OS_ERROR);
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77 requested_pool = pool;
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78 ret = OS_OK;
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79 nu_suspend = NU_NO_SUSPEND;
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80 try_alloc:
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81 sts = NU_Allocate_Partition(&pool->pcb, (VOID **) Buffer, nu_suspend);
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82 switch (sts) {
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83 case NU_SUCCESS:
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84 return(ret);
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85 case NU_TIMEOUT:
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86 case NU_INVALID_SUSPEND:
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87 *Buffer = 0;
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88 return(OS_TIMEOUT);
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89 case NU_NO_PARTITION:
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90 pool = pool->next;
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91 if (pool) {
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92 ret = OS_ALLOCATED_BIGGER;
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93 goto try_alloc;
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94 }
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95 pool = requested_pool;
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96 if (Suspend) {
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parents:
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97 nu_suspend = Suspend;
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98 ret = OS_WAITED;
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99 goto try_alloc;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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100 }
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Mychaela Falconia <falcon@freecalypso.org>
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101 return(OS_TIMEOUT);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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102 default:
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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103 *Buffer = 0;
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Mychaela Falconia <falcon@freecalypso.org>
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104 return(OS_ERROR);
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Mychaela Falconia <falcon@freecalypso.org>
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diff changeset
105 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
106 }