FreeCalypso > hg > freecalypso-sw
view gsm-fw/nucleus/pmf.c @ 583:ff1065828669
tpudrv12.c: l1dmacro_init_hw() done
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
---|---|
date | Fri, 15 Aug 2014 21:49:39 +0000 |
parents | afceeeb2cba1 |
children |
line wrap: on
line source
/*************************************************************************/ /* */ /* Copyright Mentor Graphics Corporation 2002 */ /* All Rights Reserved. */ /* */ /* THIS WORK CONTAINS TRADE SECRET AND PROPRIETARY INFORMATION WHICH IS */ /* THE PROPERTY OF MENTOR GRAPHICS CORPORATION OR ITS LICENSORS AND IS */ /* SUBJECT TO LICENSE TERMS. */ /* */ /*************************************************************************/ /*************************************************************************/ /* */ /* FILE NAME VERSION */ /* */ /* pmf.c Nucleus PLUS 1.14 */ /* */ /* COMPONENT */ /* */ /* PM - Partition Memory Management */ /* */ /* DESCRIPTION */ /* */ /* This file contains routines to obtain facts about the Partition */ /* Memory Management component. */ /* */ /* DATA STRUCTURES */ /* */ /* None */ /* */ /* FUNCTIONS */ /* */ /* PMF_Established_Partition_Pools Number of partition pools */ /* PMF_Partition_Pool_Pointers Build partition pool pointer */ /* list */ /* PMF_Partition_Pool_Information Retrieve partition pool info */ /* */ /* DEPENDENCIES */ /* */ /* cs_extr.h Common Service functions */ /* tc_extr.h Thread Control functions */ /* pm_extr.h Partition functions */ /* hi_extr.h History functions */ /* */ /* HISTORY */ /* */ /* DATE REMARKS */ /* */ /* 03-01-1994 Initial version of partition fact */ /* service file, version 1.1 */ /* */ /* 03-18-1994 Verified version 1.1 */ /* 04-17-1996 updated to version 1.2 */ /* 11-18-1996 Protected Informational service */ /* from NULL Control Block pointers */ /* creating 1.2a. (SPR220) */ /* 03-24-1998 Released version 1.3. */ /* 03-26-1999 Released 1.11m (new release */ /* numbering scheme) */ /* 04-17-2002 Released version 1.13m */ /* 11-07-2002 Released version 1.14 */ /*************************************************************************/ #define NU_SOURCE_FILE #include "cs_extr.h" /* Common service functions */ #include "tc_extr.h" /* Thread control functions */ #include "pm_extr.h" /* Partition functions */ #include "hi_extr.h" /* History functions */ /* Define external inner-component global data references. */ extern CS_NODE *PMD_Created_Pools_List; extern UNSIGNED PMD_Total_Pools; extern TC_PROTECT PMD_List_Protect; /*************************************************************************/ /* */ /* FUNCTION */ /* */ /* PMF_Established_Partition_Pools */ /* */ /* DESCRIPTION */ /* */ /* This function returns the current number of established */ /* partition pools. Pools previously deleted are no longer */ /* considered established. */ /* */ /* CALLED BY */ /* */ /* Application */ /* */ /* CALLS */ /* */ /* [TCT_Check_Stack] Stack checking function */ /* */ /* INPUTS */ /* */ /* None */ /* */ /* OUTPUTS */ /* */ /* PMD_Total_Pools Number of established */ /* partition pools */ /* */ /* HISTORY */ /* */ /* DATE REMARKS */ /* */ /* 03-01-1993 Created initial version 1.0 */ /* 04-19-1993 Verified version 1.0 */ /* 03-01-1994 Modified function interface, */ /* resulting in version 1.1 */ /* */ /* 03-18-1994 Verified version 1.1 */ /* */ /*************************************************************************/ UNSIGNED PMF_Established_Partition_Pools(VOID) { #ifdef NU_ENABLE_STACK_CHECK /* Call stack checking function to check for an overflow condition. */ TCT_Check_Stack(); #endif /* Return the number of established partition pools. */ return(PMD_Total_Pools); } /*************************************************************************/ /* */ /* FUNCTION */ /* */ /* PMF_Partition_Pool_Pointers */ /* */ /* DESCRIPTION */ /* */ /* This function builds a list of pool pointers, starting at */ /* the specified location. The number of pool pointers */ /* placed in the list is equivalent to the total number of */ /* pools or the maximum number of pointers specified in the */ /* call. */ /* */ /* CALLED BY */ /* */ /* Application */ /* */ /* CALLS */ /* */ /* [TCT_Check_Stack] Stack checking function */ /* TCT_Protect Protect created list */ /* TCT_Unprotect Release protection */ /* */ /* INPUTS */ /* */ /* pointer_list Pointer to the list area */ /* maximum_pointers Maximum number of pointers */ /* */ /* OUTPUTS */ /* */ /* pointers Number of partition pools */ /* placed in the list */ /* HISTORY */ /* */ /* DATE REMARKS */ /* */ /* 03-01-1993 Created initial version 1.0 */ /* 04-19-1993 Verified version 1.0 */ /* 08-09-1993 Corrected pointer retrieval */ /* loop, resulting in version 1.0a */ /* 08-09-1993 Verified version 1.0a */ /* 03-01-1994 Modified function interface, */ /* resulting in version 1.1 */ /* */ /* 03-18-1994 Verified version 1.1 */ /* */ /*************************************************************************/ UNSIGNED PMF_Partition_Pool_Pointers(NU_PARTITION_POOL **pointer_list, UNSIGNED maximum_pointers) { CS_NODE *node_ptr; /* Pointer to each PCB */ UNSIGNED pointers; /* Number of pointers in list*/ NU_SUPERV_USER_VARIABLES /* Switch to supervisor mode */ NU_SUPERVISOR_MODE(); #ifdef NU_ENABLE_STACK_CHECK /* Call stack checking function to check for an overflow condition. */ TCT_Check_Stack(); #endif /* Initialize the number of pointers returned. */ pointers = 0; /* Protect against access to the list of created partition pools. */ TCT_Protect(&PMD_List_Protect); /* Loop until all pool pointers are in the list or until the maximum list size is reached. */ node_ptr = PMD_Created_Pools_List; while ((node_ptr) && (pointers < maximum_pointers)) { /* Place the node into the destination list. */ *pointer_list++ = (NU_PARTITION_POOL *) node_ptr; /* Increment the pointers variable. */ pointers++; /* Position the node pointer to the next node. */ node_ptr = node_ptr -> cs_next; /* Determine if the pointer is at the head of the list. */ if (node_ptr == PMD_Created_Pools_List) /* The list search is complete. */ node_ptr = NU_NULL; } /* Release protection against access to the list of created pools. */ TCT_Unprotect(); /* Return to user mode */ NU_USER_MODE(); /* Return the number of pointers in the list. */ return(pointers); } /*************************************************************************/ /* */ /* FUNCTION */ /* */ /* PMF_Partition_Pool_Information */ /* */ /* DESCRIPTION */ /* */ /* This function returns information about the specified partition */ /* pool. However, if the supplied partition pool pointer is */ /* invalid, the function simply returns an error status. */ /* */ /* CALLED BY */ /* */ /* Application */ /* */ /* CALLS */ /* */ /* [TCT_Check_Stack] Stack checking function */ /* TCT_System_Protect Protect partition pool */ /* TCT_Unprotect Release protection */ /* */ /* INPUTS */ /* */ /* pool_ptr Pointer to the partition pool*/ /* name Destination for the name */ /* start_address Destination for the starting */ /* memory address of the pool */ /* pool_size Destination for the pool's */ /* total size */ /* partition_size Destination for the size of */ /* each partition */ /* available Destination for the available*/ /* number of partitions */ /* allocated Destination for the number */ /* of allocated partitions */ /* suspend_type Destination for the type of */ /* suspension */ /* tasks_waiting Destination for the tasks */ /* waiting count */ /* first_task Destination for the pointer */ /* to the first task waiting */ /* */ /* OUTPUTS */ /* */ /* NU_SUCCESS If a valid pool pointer */ /* is supplied */ /* NU_INVALID_POOL If pool pointer invalid */ /* */ /* HISTORY */ /* */ /* DATE REMARKS */ /* */ /* 03-01-1993 Created initial version 1.0 */ /* 04-19-1993 Verified version 1.0 */ /* 03-01-1994 Modified function interface, */ /* resulting in version 1.1 */ /* */ /* 03-18-1994 Verified version 1.1 */ /* 11-18-1996 Corrected SPR220. */ /* */ /*************************************************************************/ STATUS PMF_Partition_Pool_Information(NU_PARTITION_POOL *pool_ptr, CHAR *name, VOID **start_address, UNSIGNED *pool_size, UNSIGNED *partition_size, UNSIGNED *available, UNSIGNED *allocated, OPTION *suspend_type, UNSIGNED *tasks_waiting, NU_TASK **first_task) { PM_PCB *pool; /* Pool control block ptr */ INT i; /* Working integer variable */ STATUS completion; /* Completion status */ NU_SUPERV_USER_VARIABLES /* Switch to superisor mode */ NU_SUPERVISOR_MODE(); /* Move input pool pointer into internal pointer. */ pool = (PM_PCB *) pool_ptr; #ifdef NU_ENABLE_STACK_CHECK /* Call stack checking function to check for an overflow condition. */ TCT_Check_Stack(); #endif /* Determine if this partition pool id is valid. */ if ((pool != NU_NULL) && (pool -> pm_id == PM_PARTITION_ID)) { /* Setup protection of the partition pool. */ TCT_System_Protect(); /* The partition pool pointer is valid. Reflect this in the completion status and fill in the actual information. */ completion = NU_SUCCESS; /* Copy the partition pool's name. */ for (i = 0; i < NU_MAX_NAME; i++) *name++ = pool -> pm_name[i]; /* Determine the suspension type. */ if (pool -> pm_fifo_suspend) *suspend_type = NU_FIFO; else *suspend_type = NU_PRIORITY; /* Retrieve information directly out of the control structure. */ *start_address = pool -> pm_start_address; *pool_size = pool -> pm_pool_size; *partition_size = pool -> pm_partition_size; *available = pool -> pm_available; *allocated = pool -> pm_allocated; /* Retrieve the number of tasks waiting and the pointer to the first task waiting. */ *tasks_waiting = pool -> pm_tasks_waiting; if (pool -> pm_suspension_list) /* There is a task waiting. */ *first_task = (NU_TASK *) (pool -> pm_suspension_list) -> pm_suspended_task; else /* There are no tasks waiting. */ *first_task = NU_NULL; /* Release protection of the partition pool. */ TCT_Unprotect(); } else /* Indicate that the partition pool pointer is invalid. */ completion = NU_INVALID_POOL; /* Return to user mode */ NU_USER_MODE(); /* Return the appropriate completion status. */ return(completion); }