FreeCalypso > hg > fc-tourmaline
view src/nucleus/dm_extr.h @ 275:79cfefc1e2b4
audio mode load: gracefully handle mode files of wrong AEC version
Unfortunately our change of enabling L1_NEW_AEC (which is necessary
in order to bring our Calypso ARM fw into match with the underlying
DSP reality) brings along a change in the audio mode file binary
format and file size - all those new tunable AEC parameters do need
to be stored somewhere, after all. But we already have existing
mode files in the old format, and setting AEC config to garbage when
loading old audio modes (which is what would happen without the
present change) is not an appealing proposition.
The solution implemented in the present change is as follows: the
audio mode loading code checks the file size, and if it differs
from the active version of T_AUDIO_MODE, the T_AUDIO_AEC_CFG structure
is cleared - set to the default (disabled AEC) for the compiled type
of AEC. We got lucky in that this varying T_AUDIO_AEC_CFG structure
sits at the end of T_AUDIO_MODE!
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Fri, 30 Jul 2021 02:55:48 +0000 |
| parents | 4e78acac3d88 |
| 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_extr.h Nucleus PLUS 1.14 */ /* */ /* COMPONENT */ /* */ /* DM - Dynamic Memory Management */ /* */ /* DESCRIPTION */ /* */ /* This file contains function prototypes of all functions */ /* accessible to other components. */ /* */ /* DATA STRUCTURES */ /* */ /* None */ /* */ /* FUNCTIONS */ /* */ /* None */ /* */ /* DEPENDENCIES */ /* */ /* dm_defs.h Dynamic Management constants */ /* */ /* 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, */ /* modified function prototypes, */ /* resulting in version 1.1 */ /* */ /* 03-18-1994 Verified version 1.1 */ /* 04-17-1996 updated to version 1.2 */ /* 03-24-1998 Released version 1.3. */ /* 03-26-1999 Released 1.11m (new release */ /* numbering scheme) */ /* 05-01-2000 Corrected a prefix problem for */ /* DMC_Established_Memory_Pools, */ /* DMC_Memory_Pool_Information, */ /* DMC_Memory_Pool_Pointers by */ /* changing them to DMF_ */ /* 04-17-2002 Released version 1.13m */ /* 11-07-2002 Released version 1.14 */ /*************************************************************************/ #include "dm_defs.h" /* Include DM constants */ /* Check to see if the file has been included already. */ #ifndef DM_EXTR #define DM_EXTR /* Initialization functions. */ VOID DMI_Initialize(VOID); /* Error checking functions. */ STATUS DMCE_Create_Memory_Pool(NU_MEMORY_POOL *pool_ptr, CHAR *name, VOID *start_address, UNSIGNED pool_size, UNSIGNED min_allocation, OPTION suspend_type); STATUS DMCE_Delete_Memory_Pool(NU_MEMORY_POOL *pool_ptr); STATUS DMCE_Allocate_Memory(NU_MEMORY_POOL *pool_ptr, VOID **return_pointer, UNSIGNED size, UNSIGNED suspend); STATUS DMCE_Deallocate_Memory(VOID *memory); /* Core processing functions. */ STATUS DMC_Create_Memory_Pool(NU_MEMORY_POOL *pool_ptr, CHAR *name, VOID *start_address, UNSIGNED pool_size, UNSIGNED min_allocation, OPTION suspend_type); STATUS DMC_Delete_Memory_Pool(NU_MEMORY_POOL *pool_ptr); STATUS DMC_Allocate_Memory(NU_MEMORY_POOL *pool_ptr, VOID **return_pointer, UNSIGNED size, UNSIGNED suspend); STATUS DMC_Deallocate_Memory(VOID *memory); /* Supplemental service routines */ STATUS DMS_Allocate_Aligned_Memory(NU_MEMORY_POOL *pool_ptr, VOID **return_pointer, UNSIGNED size, UNSIGNED alignment, UNSIGNED suspend); /* Information retrieval functions. */ UNSIGNED DMF_Established_Memory_Pools(VOID); STATUS DMF_Memory_Pool_Information(NU_MEMORY_POOL *pool_ptr, CHAR *name, VOID **start_address, UNSIGNED *pool_size, UNSIGNED *min_allocation, UNSIGNED *available, OPTION *suspend_type, UNSIGNED *tasks_waiting, NU_TASK **first_task); UNSIGNED DMF_Memory_Pool_Pointers(NU_MEMORY_POOL **pointer_list, UNSIGNED maximum_pointers); #endif