FreeCalypso > hg > fc-magnetite

annotate src/gpf2/osl/os_mem_ir.c @ 581:a0a45c5eb3ef

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gsmcomp.c: bumping trace partition size to 220 like in gprscomp.c This change is safe in terms of RAM usage because all of these partition pools have already been moved from XRAM to IRAM earlier, and our IRAM usage in VO configs is currently quite low - the one near the limit is XRAM on C11x.
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 29 Jan 2019 03:52:49 +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
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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: */
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
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7 #include <stdio.h>
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8 #include <string.h>
494
e9bdc8184d50 OSL: os_mem_ir.c compiles
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parents: 487
diff changeset
9 #include "nucleus.h"
487
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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"
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15
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16 extern T_OS_PART_GRP_TABLE_ENTRY PartGrpTable[];
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17 extern T_OS_POOL_BORDER PoolBorder[];
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18
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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++) {
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25 if (PoolBorder[i].End == 0)
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26 return(OS_ERROR);
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27 if ((char *)Buffer < PoolBorder[i].Start)
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28 continue;
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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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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
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62 GLOBAL LONG
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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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diff changeset
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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diff changeset
96 if (Suspend) {
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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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parents:
diff changeset
100 }
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Mychaela Falconia <falcon@freecalypso.org>
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101 return(OS_TIMEOUT);
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102 default:
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
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103 *Buffer = 0;
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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 }