FreeCalypso > hg > fc-magnetite

annotate src/gpf2/osl/os_mem_ir.c @ 487:91e8dac34ada

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src/gpf2/osl: initial import from old freecalypso-sw tree
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 22 Jun 2018 05:56:16 +0000
parents
children e9bdc8184d50
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>
parents:
diff changeset
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
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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diff changeset
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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diff changeset
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>
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
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9 #include "gpfconf.h" /* FreeCalypso addition */
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10 #include "../../nucleus/nucleus.h"
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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11 #include "typedefs.h"
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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12 #include "os.h"
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Mychaela Falconia <falcon@freecalypso.org>
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diff changeset
13 #include "gdi.h"
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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diff changeset
14 #include "os_types.h"
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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15 #include "os_glob.h"
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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16
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Mychaela Falconia <falcon@freecalypso.org>
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17 extern T_OS_PART_GRP_TABLE_ENTRY PartGrpTable[];
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18 extern T_OS_POOL_BORDER PoolBorder[];
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
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19
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
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20 GLOBAL LONG
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Mychaela Falconia <falcon@freecalypso.org>
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21 os_is_valid_partition(T_VOID_STRUCT *Buffer)
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22 {
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Mychaela Falconia <falcon@freecalypso.org>
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23 int i;
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Mychaela Falconia <falcon@freecalypso.org>
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24
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Mychaela Falconia <falcon@freecalypso.org>
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25 for (i = 0; i <= MaxPoolGroups; i++) {
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Mychaela Falconia <falcon@freecalypso.org>
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26 if (PoolBorder[i].End == 0)
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Mychaela Falconia <falcon@freecalypso.org>
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27 return(OS_ERROR);
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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28 if ((char *)Buffer < PoolBorder[i].Start)
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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29 continue;
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30 if ((char *)Buffer >= PoolBorder[i].End)
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Mychaela Falconia <falcon@freecalypso.org>
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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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Mychaela Falconia <falcon@freecalypso.org>
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35 }
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36
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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37 GLOBAL LONG
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Mychaela Falconia <falcon@freecalypso.org>
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38 os_PartitionCheck(ULONG *ptr)
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Mychaela Falconia <falcon@freecalypso.org>
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39 {
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Mychaela Falconia <falcon@freecalypso.org>
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40 PM_HEADER *phdr;
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Mychaela Falconia <falcon@freecalypso.org>
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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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Mychaela Falconia <falcon@freecalypso.org>
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44 if (phdr->pm_next_available)
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Mychaela Falconia <falcon@freecalypso.org>
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45 return(OS_PARTITION_FREE);
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Mychaela Falconia <falcon@freecalypso.org>
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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 }
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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)
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
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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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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>
parents:
diff changeset
62
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
63 GLOBAL LONG
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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64 os_AllocatePartition(OS_HANDLE TaskHandle, T_VOID_STRUCT **Buffer, ULONG Size,
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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65 ULONG Suspend, OS_HANDLE GroupHandle)
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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66 {
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Mychaela Falconia <falcon@freecalypso.org>
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67 T_OS_PART_POOL *pool, *requested_pool;
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68 ULONG nu_suspend;
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Mychaela Falconia <falcon@freecalypso.org>
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69 STATUS sts;
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70 int ret;
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71
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diff changeset
72 for (pool = PartGrpTable[GroupHandle].grp_head; pool;
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73 pool = pool->next)
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Mychaela Falconia <falcon@freecalypso.org>
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74 if (Size <= pool->size)
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
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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78 requested_pool = pool;
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79 ret = OS_OK;
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parents:
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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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Mychaela Falconia <falcon@freecalypso.org>
parents:
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86 case NU_TIMEOUT:
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diff changeset
87 case NU_INVALID_SUSPEND:
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Mychaela Falconia <falcon@freecalypso.org>
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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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diff changeset
90 case NU_NO_PARTITION:
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91 pool = pool->next;
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parents:
diff changeset
92 if (pool) {
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Mychaela Falconia <falcon@freecalypso.org>
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diff changeset
93 ret = OS_ALLOCATED_BIGGER;
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parents:
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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>
parents:
diff changeset
97 if (Suspend) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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98 nu_suspend = Suspend;
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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99 ret = OS_WAITED;
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diff changeset
100 goto try_alloc;
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
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diff changeset
101 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
102 return(OS_TIMEOUT);
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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diff changeset
103 default:
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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104 *Buffer = 0;
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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105 return(OS_ERROR);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
106 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
107 }