FreeCalypso > hg > freecalypso-sw
view gsm-fw/nucleus/dm_defs.h @ 505:19afa1be1d30
osx.c: int_osx_alloc_mem() done
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Tue, 01 Jul 2014 19:26:54 +0000 |
parents | afceeeb2cba1 |
children |
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/*************************************************************************/ /* */ /* 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 */ /* */ /* dm_defs.h Nucleus PLUS 1.14 */ /* */ /* COMPONENT */ /* */ /* DM - Dynamic Memory Management */ /* */ /* DESCRIPTION */ /* */ /* This file contains data structure definitions and constants for */ /* the Dynamic Memory component. */ /* */ /* DATA STRUCTURES */ /* */ /* DM_PCB Dynamic Pool control block */ /* DM_HEADER Header of each memory block */ /* DM_SUSPEND Memory suspension block */ /* */ /* FUNCTIONS */ /* */ /* None */ /* */ /* DEPENDENCIES */ /* */ /* cs_defs.h Common service definitions */ /* tc_defs.h Thread Control definitions */ /* */ /* HISTORY */ /* */ /* DATE REMARKS */ /* */ /* 03-01-1993 Created initial version 1.0 */ /* 04-19-1993 Verified version 1.0 */ /* 03-01-1994 Moved include files outside of */ /* the file #ifndef to allow the */ /* use of actual data structures, */ /* added padding logic, */ /* resulting in version 1.1 */ /* */ /* 03-18-1994 Verified version 1.1 */ /* 04-17-1996 updated to version 1.2 */ /* 01-07-1997 Added missing PAD_1 field to */ /* DM_HEADER_STRUCT to be */ /* consistent with other PLUS */ /* structures creating 1.2a. */ /* 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 */ /*************************************************************************/ #include "cs_defs.h" /* Common service constants */ #include "tc_defs.h" /* Thread control constants */ /* Check to see if the file has been included already. */ #ifndef DM_DEFS #define DM_DEFS /* Adjust a size to something that is evenly divisible by the number of bytes in an UNSIGNED data type. */ #define DM_ADJUSTED_SIZE(size) \ ((((size) + sizeof(UNSIGNED) - 1)/sizeof(UNSIGNED)) * sizeof(UNSIGNED)) #define DM_ADJUSTED_ALIGNMENT(alignment) DM_ADJUSTED_SIZE(alignment) /* Define constants local to this component. */ #define DM_DYNAMIC_ID 0x44594e41UL #define DM_OVERHEAD ((sizeof(DM_HEADER) + sizeof(UNSIGNED) \ - 1)/sizeof(UNSIGNED)) * \ sizeof(UNSIGNED) /* Define the Dynamic Pool Control Block data type. */ typedef struct DM_PCB_STRUCT { CS_NODE dm_created; /* Node for linking to */ /* created dynamic pools */ TC_PROTECT dm_protect; /* Protection structure */ UNSIGNED dm_id; /* Internal PCB ID */ CHAR dm_name[NU_MAX_NAME]; /* Dynamic Pool name */ VOID *dm_start_address; /* Starting pool address */ UNSIGNED dm_pool_size; /* Size of pool */ UNSIGNED dm_min_allocation; /* Minimum allocate size */ UNSIGNED dm_available; /* Total available bytes */ struct DM_HEADER_STRUCT *dm_memory_list; /* Memory list */ struct DM_HEADER_STRUCT *dm_search_ptr; /* Search pointer */ BOOLEAN dm_fifo_suspend; /* Suspension type flag */ #if PAD_1 DATA_ELEMENT dm_padding[PAD_1]; #endif UNSIGNED dm_tasks_waiting; /* Number of waiting tasks*/ struct DM_SUSPEND_STRUCT *dm_suspension_list; /* Suspension list */ } DM_PCB; /* Define the header structure that is in front of each memory block. */ typedef struct DM_HEADER_STRUCT { struct DM_HEADER_STRUCT *dm_next_memory, /* Next memory block */ *dm_previous_memory; /* Previous memory block */ BOOLEAN dm_memory_free; /* Memory block free flag */ #if PAD_1 DATA_ELEMENT dm_padding[PAD_1]; #endif DM_PCB *dm_memory_pool; /* Dynamic pool pointer */ } DM_HEADER; /* Define the dynamic memory suspension structure. This structure is allocated off of the caller's stack. */ typedef struct DM_SUSPEND_STRUCT { CS_NODE dm_suspend_link; /* Link to suspend blocks */ DM_PCB *dm_memory_pool; /* Pointer to pool */ UNSIGNED dm_request_size; /* Size of memory request */ TC_TCB *dm_suspended_task; /* Task suspended */ VOID *dm_return_pointer; /* Return memory address */ STATUS dm_return_status; /* Return status */ } DM_SUSPEND; #endif