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annotate src/gpf/osl/os_mem_ir.c @ 112:fdecfb3bd860

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.../drv_app/r2d/r2d_*.c: LCD include case fixes from Magnetite R2D is not used in Selenite, but we strive to keep the two source trees in sync as much as possible to reduce the diffs.
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 13 Oct 2018 16:56:22 +0000
parents 82ae724ca0d7
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
6
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Mychaela Falconia <falcon@freecalypso.org>
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1 /*
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Mychaela Falconia <falcon@freecalypso.org>
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2 * This C module is a reconstruction based on the disassembly of
8b2a9a374324 src/gpf: addition of Magnetite src/gpf2
Mychaela Falconia <falcon@freecalypso.org>
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3 * os_mem.obj in frame_na7_db_ir.lib from the Leonardo package.
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Mychaela Falconia <falcon@freecalypso.org>
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4 */
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5
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Mychaela Falconia <falcon@freecalypso.org>
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6 /* set of included headers from COFF symtab: */
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Mychaela Falconia <falcon@freecalypso.org>
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7 #include <stdio.h>
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Mychaela Falconia <falcon@freecalypso.org>
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8 #include <string.h>
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9 #include "nucleus.h"
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10 #include "typedefs.h"
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Mychaela Falconia <falcon@freecalypso.org>
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11 #include "os.h"
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Mychaela Falconia <falcon@freecalypso.org>
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12 #include "gdi.h"
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Mychaela Falconia <falcon@freecalypso.org>
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13 #include "os_types.h"
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Mychaela Falconia <falcon@freecalypso.org>
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14 #include "os_glob.h"
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15
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Mychaela Falconia <falcon@freecalypso.org>
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16 extern T_OS_PART_GRP_TABLE_ENTRY PartGrpTable[];
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Mychaela Falconia <falcon@freecalypso.org>
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17 extern T_OS_POOL_BORDER PoolBorder[];
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Mychaela Falconia <falcon@freecalypso.org>
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18
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Mychaela Falconia <falcon@freecalypso.org>
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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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Mychaela Falconia <falcon@freecalypso.org>
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23
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Mychaela Falconia <falcon@freecalypso.org>
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24 for (i = 0; i <= MaxPoolGroups; i++) {
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Mychaela Falconia <falcon@freecalypso.org>
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25 if (PoolBorder[i].End == 0)
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Mychaela Falconia <falcon@freecalypso.org>
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26 return(OS_ERROR);
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Mychaela Falconia <falcon@freecalypso.org>
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27 if ((char *)Buffer < PoolBorder[i].Start)
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Mychaela Falconia <falcon@freecalypso.org>
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28 continue;
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Mychaela Falconia <falcon@freecalypso.org>
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29 if ((char *)Buffer >= PoolBorder[i].End)
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Mychaela Falconia <falcon@freecalypso.org>
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30 continue;
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Mychaela Falconia <falcon@freecalypso.org>
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31 return(OS_OK);
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Mychaela Falconia <falcon@freecalypso.org>
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32 }
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Mychaela Falconia <falcon@freecalypso.org>
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33 return(OS_ERROR);
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Mychaela Falconia <falcon@freecalypso.org>
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34 }
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Mychaela Falconia <falcon@freecalypso.org>
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35
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Mychaela Falconia <falcon@freecalypso.org>
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36 GLOBAL LONG
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Mychaela Falconia <falcon@freecalypso.org>
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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
104
82ae724ca0d7 OSL reconstruction fixed to support memory supervision
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42 phdr = (PM_HEADER *)(ptr - PPM_OFFSET - 2);
6
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Mychaela Falconia <falcon@freecalypso.org>
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43 if (phdr->pm_next_available)
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Mychaela Falconia <falcon@freecalypso.org>
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44 return(OS_PARTITION_FREE);
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Mychaela Falconia <falcon@freecalypso.org>
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45 pool = phdr->pm_partition_pool;
104
82ae724ca0d7 OSL reconstruction fixed to support memory supervision
Mychaela Falconia <falcon@freecalypso.org>
parents: 6
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46 if (ptr[((pool->pm_partition_size - 4) >> 2) - PPM_OFFSET] ==
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Mychaela Falconia <falcon@freecalypso.org>
parents: 6
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47 GUARD_PATTERN)
6
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48 return(OS_OK);
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Mychaela Falconia <falcon@freecalypso.org>
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49 else
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Mychaela Falconia <falcon@freecalypso.org>
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50 return(OS_PARTITION_GUARD_PATTERN_DESTROYED);
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51 }
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52
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53 GLOBAL LONG
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Mychaela Falconia <falcon@freecalypso.org>
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54 os_DeallocatePartition(OS_HANDLE TaskHandle, T_VOID_STRUCT *Buffer)
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Mychaela Falconia <falcon@freecalypso.org>
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55 {
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Mychaela Falconia <falcon@freecalypso.org>
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56 if (os_is_valid_partition(Buffer) != OS_OK)
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Mychaela Falconia <falcon@freecalypso.org>
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57 return(OS_ERROR);
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Mychaela Falconia <falcon@freecalypso.org>
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58 if (NU_Deallocate_Partition(Buffer) != NU_SUCCESS)
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Mychaela Falconia <falcon@freecalypso.org>
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59 return(OS_ERROR);
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Mychaela Falconia <falcon@freecalypso.org>
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60 return(OS_OK);
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Mychaela Falconia <falcon@freecalypso.org>
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61 }
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Mychaela Falconia <falcon@freecalypso.org>
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62
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Mychaela Falconia <falcon@freecalypso.org>
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63 GLOBAL LONG
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Mychaela Falconia <falcon@freecalypso.org>
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64 os_AllocatePartition(OS_HANDLE TaskHandle, T_VOID_STRUCT **Buffer, ULONG Size,
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Mychaela Falconia <falcon@freecalypso.org>
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65 ULONG Suspend, OS_HANDLE GroupHandle)
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Mychaela Falconia <falcon@freecalypso.org>
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66 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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67 T_OS_PART_POOL *pool, *requested_pool;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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68 ULONG nu_suspend;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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69 STATUS sts;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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70 int ret;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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71
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Mychaela Falconia <falcon@freecalypso.org>
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72 for (pool = PartGrpTable[GroupHandle].grp_head; pool;
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Mychaela Falconia <falcon@freecalypso.org>
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73 pool = pool->next)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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74 if (Size <= pool->size)
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Mychaela Falconia <falcon@freecalypso.org>
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75 break;
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Mychaela Falconia <falcon@freecalypso.org>
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76 if (!pool)
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Mychaela Falconia <falcon@freecalypso.org>
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77 return(OS_ERROR);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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78 requested_pool = pool;
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Mychaela Falconia <falcon@freecalypso.org>
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79 ret = OS_OK;
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Mychaela Falconia <falcon@freecalypso.org>
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80 nu_suspend = NU_NO_SUSPEND;
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Mychaela Falconia <falcon@freecalypso.org>
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81 try_alloc:
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Mychaela Falconia <falcon@freecalypso.org>
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82 sts = NU_Allocate_Partition(&pool->pcb, (VOID **) Buffer, nu_suspend);
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Mychaela Falconia <falcon@freecalypso.org>
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83 switch (sts) {
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Mychaela Falconia <falcon@freecalypso.org>
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84 case NU_SUCCESS:
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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85 return(ret);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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86 case NU_TIMEOUT:
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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87 case NU_INVALID_SUSPEND:
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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88 *Buffer = 0;
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Mychaela Falconia <falcon@freecalypso.org>
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89 return(OS_TIMEOUT);
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Mychaela Falconia <falcon@freecalypso.org>
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90 case NU_NO_PARTITION:
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Mychaela Falconia <falcon@freecalypso.org>
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91 pool = pool->next;
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Mychaela Falconia <falcon@freecalypso.org>
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92 if (pool) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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93 ret = OS_ALLOCATED_BIGGER;
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Mychaela Falconia <falcon@freecalypso.org>
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94 goto try_alloc;
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Mychaela Falconia <falcon@freecalypso.org>
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95 }
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Mychaela Falconia <falcon@freecalypso.org>
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96 pool = requested_pool;
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Mychaela Falconia <falcon@freecalypso.org>
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97 if (Suspend) {
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Mychaela Falconia <falcon@freecalypso.org>
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98 nu_suspend = Suspend;
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Mychaela Falconia <falcon@freecalypso.org>
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99 ret = OS_WAITED;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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100 goto try_alloc;
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Mychaela Falconia <falcon@freecalypso.org>
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101 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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102 return(OS_TIMEOUT);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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103 default:
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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104 *Buffer = 0;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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105 return(OS_ERROR);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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106 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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107 }