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view src/g23m-fad/tcpip/include/rvf_target.h @ 220:0ed36de51973

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ABB semaphore protection overhaul The ABB semaphone protection logic that came with TCS211 from TI was broken in several ways: * Some semaphore-protected functions were called from Application_Initialize() context. NU_Obtain_Semaphore() called with NU_SUSPEND fails with NU_INVALID_SUSPEND in this context, but the return value wasn't checked, and NU_Release_Semaphore() would be called unconditionally at the end. The latter call would increment the semaphore count past 1, making the semaphore no longer binary and thus no longer effective for resource protection. The fix is to check the return value from NU_Obtain_Semaphore() and skip the NU_Release_Semaphore() call if the semaphore wasn't properly obtained. * Some SPI hardware manipulation was being done before entering the semaphore- protected critical section. The fix is to reorder the code: first obtain the semaphore, then do everything else. * In the corner case of L1/DSP recovery, l1_abb_power_on() would call some non-semaphore-protected ABB & SPI init functions. The fix is to skip those calls in the case of recovery. * A few additional corner cases existed, all of which are fixed by making ABB semaphore protection 100% consistent for all ABB functions and code paths. There is still one remaining problem of priority inversion: suppose a low- priority task calls an ABB function, and some medium-priority task just happens to preempt right in the middle of that semaphore-protected ABB operation. Then the high-priority SPI task is locked out for a non-deterministic time until that medium-priority task finishes its work and goes back to sleep. This priority inversion problem remains outstanding for now.
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 26 Apr 2021 20:55:25 +0000
parents fa8dc04885d8
children
line wrap: on
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/****************************************************************************/
/*                                                                          */
/*  Name        rvf_target.h                                                */
/*                                                                          */
/*  Function    this file contains definitions that will probably      */
/*              change for each target system. This includes        */
/*              such things number of tasks,                          */
/*              little endian/big endian conversions, etc...        */
/*                                      */
/*                                                                          */
/*  NOTE        This file should always be included first.          */
/*                                      */
/*  Version    0.1                              */
/*                                      */
/*   Date         Modification                        */
/*  ------------------------------------                  */
/*  4/19/1999  Create                            */
/*  10/27/1999  remove declaration of ntohs, htons, ntohl, htonl      */
/*        in order to avoid conflict with winsock.h          */
/*  12/23/1999  add buffer and memory bank related definition        */
/*  07/12/2000  implement dynamic memory allocation.            */
/*                                      */
/*  Author    David Lamy-Charrier (dlamy@tif.ti.com)            */
/*                                      */
/* (C) Copyright 1999 by Texas Instruments Incorporated, All Rights Reserved*/
/****************************************************************************/
#ifndef _RVF_TARGET_H
#define _RVF_TARGET_H

#ifndef _SIMULATION_
  #include "rv.cfg"
  #include "swconfig.cfg"
#endif
  
/* optimizations */
#ifdef _WINDOWS
  #define INLINE __inline
#else
  #define INLINE inline
#endif

/*----------------------------------------------------------------------*/
/*                      RVF Definitions                                 */
/*----------------------------------------------------------------------*/

/* the maximum number of memory bank created by users */
#if (!GSMLITE)
#define RVF_MAX_TOTAL_MB 70
#else // GSMLITE
  #define RVF_MAX_TOTAL_MB 18
#endif // GSMLITE

/* the maximum number of real memory bank managed */
#if (!GSMLITE)
#define RVF_MAX_REAL_MB 60
#else // GSMLITE
  #define RVF_MAX_REAL_MB 18
#endif // GSMLITE

/* max length of memory bank name */
#define RVF_MAX_MB_LEN 10

/* max length of task name */
#define RVF_MAX_TASK_LEN 10

/* RVF_MB_MAPPING defines the correspondance between mb_name and mb_id */
/* WARNING!!!! When adding new memory banks in this default list, take care */
/* to always finish with the {0,0} !!! */
#if (!GSMLITE)
#define RVF_MB_MAPPING {{ "RVM_PRIM", 0},{ "TEST1", 1}, { "TEST2", 2},\
  { "TEST3", 3}, { "TEST4", 3},{"HCI_RX", 4},{"HCI_TX", 5},\
  {"L2CAP_PRIM", 6},{"L2CAP_RX", 7},{"L2CAP_TX", 8},{"SPP_TX", 9},\
  {"SPP_RX", 10},{"SPP_PRIM", 11},{"BTCTRL", 12},{"RV_TRACE", TRACE_MB_ID},\
  {"RFC_TX", 13},{"RFC_PRIM", 14},{"RFC_01_RX", 15},{"RFC_02_RX", 16},\
  {"RFC_03_RX", 17},{"RFC_04_RX", 18},{"RFC_05_RX", 20}, {"APP1_RX", 21},\
  {"APP1_TX", 22},{"APP1_PRIM", 23}, {"SDP_PRIM", 24}, {"SDP_RX", 25}, \
  {"SDP_TX", 26}, \
  {"ATP_PRIM",27},{"ATP_UART",27},{"HSG_PRIM",28},{"HSG_TX",29},{"HSG_RX",30},\
  {"HS_PRIM",28},{"HS_TX",29},{"HS_RX",30},\
  {"RVMMI_PRIM",31},{"RVMMI_TX",32},{"RVMMI_RX",33},\
  {"UWIRE_PRIM",37},\
  {"DUN_PRIM",28},{"DUN_TX",29},{"DUN_RX",30},\
  {"FAX_PRIM",28},{"FAX_TX",29},{"FAX_RX",30},{0,0}}
#else // GSMLITE
  #define RVF_MB_MAPPING {{ "RVM_PRIM", 0},{ "TEST1", 1}, { "TEST2", 2},\
              { "TEST3", 3}, { "TEST4", 3}, {0,0}}
#endif // GSMLITE

/* set the following variable to 1 to check for buffer corruption*/
#define RVF_ENABLE_BUF_CORRUPTION_CHECK 1

/* set the following variable to 1 to check for buffer linkage*/
#define RVF_ENABLE_BUF_LINKAGE_CHECK 1

/* enable or disable memory statistics functions */
#define RVF_ENABLE_STATS 1

/* The maximum number of RVF tasks allowed in the system*/
#if (!GSMLITE)
#define MAX_RVF_TASKS 20
#else // GSMLITE
  #define MAX_RVF_TASKS 9
#endif // GSMLITE

/* max number of callback functions for buffers waiting to be counted on another memory bank */
#if (!GSMLITE)
#define RVF_MAX_WAITING_BUF 300
#else // GSMLITE
  #define RVF_MAX_WAITING_BUF 20
#endif // GSMLITE
/* sum of RVF_BUFi_MAX */

/***********************************************************************
** Timer related definitions. These should be edited per system. The
** macros should convert milliseconds and seconds to system ticks.
** Applications should use these to calculate the number of ticks to
** sleep for.
*/

#ifdef _WINDOWS
#define RVF_MS_TO_TICKS(x) (x / 50)
#define RVF_SECS_TO_TICKS(x) ((x * 1000) / 50)
#define RVF_TICKS_TO_MS(x) (x * 50)
#else
#define RVF_MS_TO_TICKS(x) (x /5)
#define RVF_SECS_TO_TICKS(x) ((x * 1000) /5)
#define RVF_TICKS_TO_MS(x) (x * 5)
#endif

#endif /* _RVF_TARGET_H */