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annotate src/gpf/osl/os_mem_ir.c @ 134:7d50d8d13711

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FFS code sync with Magnetite + gcc version fix This change brings the new flash autodetection for FC and Pirelli targets from Magnetite, and should also fix the gcc version for C1xx and gtamodem targets, which were previously broken because they used TI's original flash autodetect code (which operates at address 0) while the boot ROM is mapped there.
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 11 Dec 2018 08:43:25 +0000
parents 82ae724ca0d7
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
6
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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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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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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 "nucleus.h"
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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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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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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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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
104
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42 phdr = (PM_HEADER *)(ptr - PPM_OFFSET - 2);
6
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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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45 pool = phdr->pm_partition_pool;
104
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46 if (ptr[((pool->pm_partition_size - 4) >> 2) - PPM_OFFSET] ==
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47 GUARD_PATTERN)
6
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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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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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Mychaela Falconia <falcon@freecalypso.org>
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61 }
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62
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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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66 {
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67 T_OS_PART_POOL *pool, *requested_pool;
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Mychaela Falconia <falcon@freecalypso.org>
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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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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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74 if (Size <= pool->size)
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75 break;
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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>
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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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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>
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85 return(ret);
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Mychaela Falconia <falcon@freecalypso.org>
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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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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>
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93 ret = OS_ALLOCATED_BIGGER;
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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>
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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>
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102 return(OS_TIMEOUT);
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Mychaela Falconia <falcon@freecalypso.org>
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diff changeset
103 default:
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Mychaela Falconia <falcon@freecalypso.org>
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104 *Buffer = 0;
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Mychaela Falconia <falcon@freecalypso.org>
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diff changeset
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 }