FreeCalypso > hg > fc-magnetite

annotate src/gpf2/osl/os_mem_ir.c @ 686:59f07d67eb45

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luna target split into luna1 and luna2 luna1 is FC Luna based on iWOW DSK v4.0 or v5.0 motherboard luna2 is FC Luna based on FC Caramel2 MB
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 12 Oct 2020 18:51:24 +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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diff changeset
1 /*
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
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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3 * os_mem.obj in frame_na7_db_ir.lib from the Leonardo package.
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
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4 */
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
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5
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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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>
parents:
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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
Mychaela Falconia <falcon@freecalypso.org>
parents:
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10 #include "typedefs.h"
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
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11 #include "os.h"
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
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12 #include "gdi.h"
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
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13 #include "os_types.h"
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 #include "os_glob.h"
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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15
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
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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
Mychaela Falconia <falcon@freecalypso.org>
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18
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
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19 GLOBAL LONG
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
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20 os_is_valid_partition(T_VOID_STRUCT *Buffer)
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
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21 {
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
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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);
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
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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
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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37 os_PartitionCheck(ULONG *ptr)
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
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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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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;
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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
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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52 GLOBAL LONG
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Mychaela Falconia <falcon@freecalypso.org>
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53 os_DeallocatePartition(OS_HANDLE TaskHandle, T_VOID_STRUCT *Buffer)
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
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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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Mychaela Falconia <falcon@freecalypso.org>
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58 return(OS_ERROR);
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Mychaela Falconia <falcon@freecalypso.org>
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59 return(OS_OK);
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60 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
61
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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,
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
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64 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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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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parents:
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70
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diff changeset
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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Mychaela Falconia <falcon@freecalypso.org>
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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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parents:
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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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Mychaela Falconia <falcon@freecalypso.org>
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diff changeset
85 case NU_TIMEOUT:
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86 case NU_INVALID_SUSPEND:
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87 *Buffer = 0;
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Mychaela Falconia <falcon@freecalypso.org>
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88 return(OS_TIMEOUT);
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Mychaela Falconia <falcon@freecalypso.org>
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89 case NU_NO_PARTITION:
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90 pool = pool->next;
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parents:
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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Mychaela Falconia <falcon@freecalypso.org>
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95 pool = requested_pool;
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parents:
diff changeset
96 if (Suspend) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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97 nu_suspend = Suspend;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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98 ret = OS_WAITED;
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
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99 goto try_alloc;
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Mychaela Falconia <falcon@freecalypso.org>
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diff changeset
100 }
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
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101 return(OS_TIMEOUT);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
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);
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
105 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
106 }