FreeCalypso > hg > fc-tourmaline
diff src/cs/riviera/rvf/rvf_buffer.c @ 0:4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 16 Oct 2020 06:23:26 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/cs/riviera/rvf/rvf_buffer.c Fri Oct 16 06:23:26 2020 +0000 @@ -0,0 +1,2128 @@ +/****************************************************************************/ +/* */ +/* Name rvf_buffer.c */ +/* */ +/* Function this file contains rvf buffer handling functions */ +/* */ +/* Version 0.1 */ +/* */ +/* Date Modification */ +/* ------------------------------------ */ +/* 3/12/99 Create */ +/* 10/27/1999 remove all non-nucleus sections (#ifdef) */ +/* 30/11/1999 compliant to RV coding guidelines */ +/* 12/23/1999 change buffer management, add memory bank handling and */ +/* remove useless functions */ +/* 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 _WINDOWS +#include "config/board.cfg" +#endif + +#include "nucleus.h" +#include "rvm/rvm_use_id_list.h" +#include "rvf/rvf_api.h" +#include "rvf/rvf_i.h" +#include "support/exception.h" +#include "rvf/rvf_pool_size.h" + +#include <string.h> +#include <stdio.h> + + +#if RVF_ENABLE_STATS /* conditional inclusion of stdio.h for sprintf() function */ +#ifdef _WINDOWS +#include <stdio.h> +#endif +#endif + +#include "rv/rv_defined_swe.h" + +#ifdef RVM_DAR_SWE + #include "dar/dar_api.h" +#endif +#define RVF_INVALID_MD_ID_ERRROR ("RVF: Invalid MB ID") + +#define INC_END_INITIALIZE 2 +#define RVF_INVALID_INDEX 0xFFFF + +/************* TASK MAILBOXES *******************/ +/* chained lists for task mailboxes */ +T_RVF_INTERNAL_BUF *OSTaskQFirst[1][1]; //[MAX_RVF_TASKS][RVF_NUM_TASK_MBOX]; +T_RVF_INTERNAL_BUF *OSTaskQLast [1][1]; //[MAX_RVF_TASKS][RVF_NUM_TASK_MBOX]; + +extern INC_Initialize_State; + +T_RVF_RT_ADDR_ID_DATA* pRtAddrIdTable[MAX_RVF_G_ADDR_ID]; + + +/******** MEMORY POOLS ******************/ +/* Define the buffer pools */ +extern T_RVF_POOL _rvf_pools[]; + +/*********** MEMORY BANKS ***********/ +/* array of memory bank */ +static T_RVF_MB rvf_banks[RVF_MAX_REAL_MB]; + +/* array of waiting buffers */ +static T_RVF_BUFFER * waiting_buffers[RVF_MAX_WAITING_BUF]; +static UINT16 next_buffer[RVF_MAX_WAITING_BUF]; +static UINT16 first_free_element; + +/* array of memory bank name and id*/ +static T_RVF_MB_NAME_ID rvf_name_id[RVF_MAX_TOTAL_MB] = RVF_MB_MAPPING; + + +/* variable for statistics */ +#if RVF_ENABLE_STATS +static UINT32 required_size = 0; +static UINT32 obtained_size = 0; +static UINT32 used_size = 0; +static UINT32 mem_in_use = 0; +#endif + +/* lists of free buffers */ +static T_RVF_INTERNAL_BUF * lists[RVF_NB_FREE_LISTS]; + +/* last split-off buffer */ +T_RVF_INTERNAL_BUF * last_remainder = NULL; + +/* allocated static buffer pools */ +extern UINT8 Buf0[]; +extern UINT8 Buf1[]; + +/********Internal windows function used to display memory status *******/ +#ifdef _WINDOWS +extern void AddNewState(void *s,char *name, + unsigned long current,unsigned long peak, + unsigned long water,unsigned long bank); +#endif + + +/******************************************************************************* +** +** Function _rvf_init_free_queue +** +** Description Function called at startup to initialize a free +** pool (statically or dynamically allocated). +** It is called once for each free pool. +** +** Returns void +** +*******************************************************************************/ +void _rvf_init_free_queue (UINT8 id, UINT32 size, void *p_mem) +{ + T_RVF_INTERNAL_BUF *hdr; + UINT8 list_idx; + + /* round to up size to a multiple of 4 */ + size = (size + 3) & ~0x0003; + + /* store pool start address and size */ + _rvf_pools[id].start_address = p_mem; + + _rvf_pools[id].pool_size = size; + + /* Initialize the pool as a big free buffer */ + hdr = (T_RVF_INTERNAL_BUF *) p_mem; + hdr->buf_size = size - sizeof(T_RVF_INTERNAL_BUF) - sizeof(UINT32); /* last 4 bytes of the pool losts*/ + hdr->header.p_prev = NULL; + RVF_SET_PREV_IN_USE(hdr); + + NEXTCHUNK(hdr)->buf_size = 0; + + ENDSIZE(hdr) = hdr->buf_size; + + + /* get the corresponding list and insert the buffer */ + list_idx = RVF_BUF_LIST_INDEX( hdr->buf_size); + hdr->p_next = lists[list_idx]; + lists[list_idx] = hdr; + + last_remainder = hdr; + +} + +void rvf_mbox_buffer_init(T_RVF_RT_ADDR_ID_DATA* pRtAddrIdElement) { + UINT8 task_num, mbox_num; + /* Initialize all mailboxes queues of all tasks*/ + for (task_num = 0; task_num < MAX_RVF_TASKS; task_num++) { + for (mbox_num = 0; mbox_num < RVF_NUM_TASK_MBOX; mbox_num++) { + pRtAddrIdElement->OSTaskQFirst[mbox_num] = NULL; + pRtAddrIdElement->OSTaskQLast[mbox_num] = NULL; + } + } +} +/******************************************************************************* +** +** Function _rvf_buffer_init +** +** Description Called once internally by rvf at startup to initialize all +** buffers and free buffer pools. +** +** Returns void +** +*******************************************************************************/ +void _rvf_buffer_init(void) +{ + UINT8 list_num; + UINT16 memory_bank_num; + + /* Initialize all mailboxes queues of all tasks*/ + /* for (task_num = 0; task_num < MAX_RVF_TASKS; task_num++) + { + for (mbox_num = 0; mbox_num < RVF_NUM_TASK_MBOX; mbox_num++) + { + OSTaskQFirst[task_num][mbox_num] = NULL; + OSTaskQLast [task_num][mbox_num] = NULL; + //pRtAddrIdTable[task_num]->OSTaskQFirst[mbox_num] = NULL; // only if static + //pRtAddrIdTable[task_num]->OSTaskQLast[mbox_num] = NULL; // only if static + } + } */ + + /* initialize free lists */ + for (list_num = 0; list_num < RVF_NB_FREE_LISTS; list_num++) + { + lists[list_num] = NULL; + } + + + /* initialize buffer pools */ + _rvf_init_mem_pool(); + + /* Initialize real memory banks */ + for (memory_bank_num = 0; memory_bank_num < RVF_MAX_REAL_MB; memory_bank_num++) + { + rvf_banks[memory_bank_num].cur_memory_used = 0; + rvf_banks[memory_bank_num].watermark = 0; + rvf_banks[memory_bank_num].max = 0; + rvf_banks[memory_bank_num].first_buffer_index = RVF_INVALID_INDEX; + rvf_banks[memory_bank_num].last_buffer_index = RVF_INVALID_INDEX; + rvf_banks[memory_bank_num].func = 0; + rvf_banks[memory_bank_num].returned_red = FALSE; +#if RVF_ENABLE_STATS + rvf_banks[memory_bank_num].max_reached = 0; + rvf_banks[memory_bank_num].required_size = 0; + rvf_banks[memory_bank_num].num_buf = 0; +#endif + } + + /* Initialize total memory banks */ + for (memory_bank_num = 0; memory_bank_num < RVF_MAX_TOTAL_MB; memory_bank_num++) + { + rvf_name_id[memory_bank_num].mb_params.size = 0; + rvf_name_id[memory_bank_num].mb_params.watermark = 0; + } + + + /* initialize array of waiting buffers */ + first_free_element = 0; + for( memory_bank_num = 0; memory_bank_num < RVF_MAX_WAITING_BUF; memory_bank_num++) + { waiting_buffers[memory_bank_num] = NULL; + next_buffer[memory_bank_num] = memory_bank_num + 1; + } + next_buffer[RVF_MAX_WAITING_BUF-1] = RVF_INVALID_INDEX; +} + +/******************************************************************************* +** +** Function _rvf_send_msg_to_mbox +** +** Description Called by applications to send a buffer to a SWE. +** (Temporary internal use - DO NOT USE IT !) +** (Presently, only for Christophe ) +** Returns RVF_OK if successful, else an error code. +** +*******************************************************************************/ +T_RVF_RET _rvf_send_msg_to_mbox (T_RVF_G_ADDR_ID addr_id, UINT8 mbox,void *msg){ + return rvf_adapt_send_msg(addr_id, msg, mbox); +} + +/*T_RVF_RET _rvf_send_msg_to_mbox (T_RVF_ADDR_ID addr_id, UINT8 mbox,void *msg) +{ + T_RVF_INTERNAL_BUF *p_hdr; + UINT8 task_id = (UINT8)addr_id; + + + if ((task_id >= MAX_RVF_TASKS) ) + { + rvf_send_trace( "RVF: rvf_send_msg(): invalid taskid", 35, NULL_PARAM, RV_TRACE_LEVEL_ERROR, RVM_USE_ID ); + rvf_free_buf (msg); + return RVF_INVALID_PARAMETER; + } + +#if RVF_ENABLE_BUF_CORRUPTION_CHECK + + if (_rvf_chk_buf_damage(msg) == TRUE) + { rvf_send_trace( "RVF: rvf_send_msg(): buffer corrupted", 37, NULL_PARAM, RV_TRACE_LEVEL_ERROR, RVM_USE_ID ); + } +#endif + + + ((T_RV_HDR *)msg)->dest_addr_id = addr_id; + p_hdr = USER2MEM(msg); + +#if RVF_ENABLE_BUF_LINKAGE_CHECK + + if ( RVF_BUF_IS_LINKED( p_hdr) ) + { + rvf_send_trace( "RVF: rvf_send_msg(): buffer already enqueued", 44, NULL_PARAM, RV_TRACE_LEVEL_ERROR, RVM_USE_ID ); + return RVF_MEMORY_ERR; + } +#endif + + rvf_disable(8); + + + if (OSTaskQFirst[task_id][mbox]) + { OSTaskQLast[task_id][mbox]->p_next = p_hdr; + } + else + { OSTaskQFirst[task_id][mbox] = p_hdr; + } + OSTaskQLast[task_id][mbox] = p_hdr; + + p_hdr->p_next = NULL; + + if (pRtAddrIdTable[task_id]->OSTaskQFirst[mbox]) { + pRtAddrIdTable[task_id]->OSTaskQLast[mbox]->p_next = p_hdr; + } else { + pRtAddrIdTable[task_id]->OSTaskQFirst[mbox] = p_hdr; + } + pRtAddrIdTable[task_id]->OSTaskQLast[mbox] = p_hdr; + + p_hdr->p_next = NULL; + +#if RVF_ENABLE_BUF_LINKAGE_CHECK + RVF_SET_BUF_LINKED(p_hdr); +#endif + + rvf_enable(); + + rvf_send_event(task_id, (UINT16) (EVENT_MASK(mbox)) ); + return RVF_OK; +}*/ + +/******************************************************************************* +** +** Function rvf_read_mbox +** +** Description Called by applications to read a buffer from one of +** the task mailboxes. +** +** Returns NULL if the mailbox was empty, else the address of a buffer +** +*******************************************************************************/ +void * rvf_read_mbox (UINT8 mbox) { + T_RVF_G_ADDR_ID task_id = rvf_get_taskid(); + + return rvf_read_addr_mbox (task_id, mbox) ; +} +void * rvf_read_addr_mbox (T_RVF_G_ADDR_ID task_id, UINT8 mbox) { + void * p_buf = NULL; + T_RVF_INTERNAL_BUF * p_hdr; + + mbox=resolveHostAddrId(mbox); + + if ((task_id >= MAX_RVF_TASKS) || (mbox >= RVF_NUM_TASK_MBOX)) + { rvf_send_trace( "RVF: rvf_read_mbox(): invalid taskid or mbox", 44, NULL_PARAM, RV_TRACE_LEVEL_ERROR, RVM_USE_ID ); + return NULL; + } + + rvf_disable(9); /* enter critical section */ + + /* if the chained list is not empty */ + /*if ( OSTaskQFirst[task_id][mbox] ) + { p_hdr = OSTaskQFirst[task_id][mbox]; + OSTaskQFirst[task_id][mbox] = p_hdr->p_next; + + p_hdr->p_next = NULL;*/ + if ( pRtAddrIdTable[task_id]->OSTaskQFirst[mbox] ) { + p_hdr = pRtAddrIdTable[task_id]->OSTaskQFirst[mbox]; + pRtAddrIdTable[task_id]->OSTaskQFirst[mbox] = p_hdr->p_next; + + p_hdr->p_next = NULL; + +#if RVF_ENABLE_BUF_LINKAGE_CHECK + RVF_SET_BUF_UNLINKED(p_hdr); /* change buffer status */ +#endif + p_buf = (UINT8 *)p_hdr + sizeof(T_RVF_INTERNAL_BUF); + } + + rvf_enable(); /* exit critical section */ + + return (p_buf); +} + +/******************************************************************************* +** +** Function rvf_enqueue +** +** Description Enqueue a buffer at the tail of the queue +** +** Returns RVF_OK if successful, else an error code. +** +*******************************************************************************/ +T_RVF_RET rvf_enqueue (T_RVF_BUFFER_Q *p_q, void *p_buf) +{ + T_RVF_INTERNAL_BUF *p_hdr; + +#if RVF_ENABLE_BUF_CORRUPTION_CHECK + if ( _rvf_chk_buf_damage(p_buf) ) + { rvf_send_trace( "RVF: rvf_enqueue(): buffer corrupted", 36, NULL_PARAM, RV_TRACE_LEVEL_ERROR, RVM_USE_ID); + } +#endif + + /* check if the buffer has been already enqueued */ + p_hdr = USER2MEM(p_buf); + +#if RVF_ENABLE_BUF_LINKAGE_CHECK + if( RVF_BUF_IS_LINKED(p_hdr) ) + { + rvf_send_trace( "RVF: rvf_enqueue(): buffer already enqueued", 43, NULL_PARAM, RV_TRACE_LEVEL_ERROR, RVM_USE_ID); + return RVF_MEMORY_ERR; + } +#endif + + rvf_disable(10); /* enter critical section */ + + /* Since the queue is exposed (C vs C++), keep the pointers in exposed format */ + /* p_q->p_last and p_q->p_first point to the user buffer, since p_hdr->p_next points to the T_RVF_INTERNAL_BUF */ + if (p_q->p_first) /* if the queue is not empty */ + { + T_RVF_INTERNAL_BUF * p_last_hdr = (T_RVF_INTERNAL_BUF *) ((UINT8 *)p_q->p_last - sizeof(T_RVF_INTERNAL_BUF) ); + p_last_hdr->p_next = p_hdr; + } + else + p_q->p_first = p_buf; + + p_q->p_last = p_buf; + p_q->count++; + + p_hdr->p_next = NULL; +#if RVF_ENABLE_BUF_LINKAGE_CHECK + RVF_SET_BUF_LINKED(p_hdr); /* change buffer status */ +#endif + + rvf_enable(); /* exit critical section */ + return RVF_OK; +} + + + +/******************************************************************************* +** +** Function rvf_dequeue +** +** Description Dequeue a buffer from the head of a queue +** +** Returns NULL if queue is empty, else buffer +** +*******************************************************************************/ +void * rvf_dequeue (T_RVF_BUFFER_Q *p_q) +{ + T_RVF_INTERNAL_BUF *p_hdr; + + if (!p_q->count) /* if the queue is empty */ + return (NULL); + + rvf_disable(12); /* enter critical section */ + + p_hdr = USER2MEM(p_q->p_first ); + + + /* Keep buffers such that RVF header is invisible */ + if (p_hdr->p_next) + p_q->p_first = ((UINT8 *)p_hdr->p_next + sizeof(T_RVF_INTERNAL_BUF)); + else + { + p_q->p_first = NULL; + p_q->p_last = NULL; + } + + p_q->count--; + + p_hdr->p_next = NULL; + +#if RVF_ENABLE_BUF_LINKAGE_CHECK + RVF_SET_BUF_UNLINKED(p_hdr); /* change buffer status */ +#endif + + rvf_enable(); /* exit critical section */ + + return (MEM2USER(p_hdr) ); +} + + + +/******************************************************************************* +** +** Function rvf_enqueue_head +** +** Description Enqueue a buffer at the head of the queue +** +** Returns RVF_OK if successful, else an error code. +** +*******************************************************************************/ +T_RVF_RET rvf_enqueue_head (T_RVF_BUFFER_Q *p_q, void *p_buf) +{ + T_RVF_INTERNAL_BUF *p_hdr; + +#if RVF_ENABLE_BUF_CORRUPTION_CHECK + if ( _rvf_chk_buf_damage(p_buf) ) + { rvf_send_trace( "RVF: rvf_enqueue_head(): buffer corrupted", 41, NULL_PARAM, RV_TRACE_LEVEL_ERROR, RVM_USE_ID ); + } +#endif + + p_hdr = USER2MEM(p_buf); + +#if RVF_ENABLE_BUF_LINKAGE_CHECK + if( RVF_BUF_IS_LINKED(p_hdr) ) + { rvf_send_trace( "RVF: rvf_enqueue_head(): buffer already enqueued", 48, NULL_PARAM, RV_TRACE_LEVEL_ERROR, RVM_USE_ID ); + return RVF_MEMORY_ERR; + } +#endif + + rvf_disable(11); /* enter critical section */ + + if (p_q->p_first) /* if the queue is not empty */ + { p_hdr->p_next = (T_RVF_INTERNAL_BUF *)((UINT8 *)p_q->p_first - sizeof(T_RVF_INTERNAL_BUF) ); + p_q->p_first = p_buf; + } + else + { p_q->p_first = p_buf; + p_q->p_last = p_buf; + p_hdr->p_next = NULL; + } + p_q->count++; + +#if RVF_ENABLE_BUF_LINKAGE_CHECK + RVF_SET_BUF_LINKED(p_hdr); /* change buffer status */ +#endif + + + rvf_enable(); /* exit critical section */ + + return RVF_OK; +} + + + +/******************************************************************************* +** +** Function rvf_get_buf_size +** +** Description Called by an application to get the size of a buffer. +** +** Returns the size of the buffer or 0 if the address is invalid. +** +*******************************************************************************/ +INLINE UINT32 rvf_get_buf_size (void *bptr) +{ + T_RVF_INTERNAL_BUF *p_hdr; + + p_hdr = (T_RVF_INTERNAL_BUF *)((UINT8 *) bptr - sizeof(T_RVF_INTERNAL_BUF) ); + + if ((UINT32)p_hdr & 1) return 0; /* invalid pointer: odd address*/ + + return (GETSIZE(p_hdr) - RVF_CORRUPT_OVERHEAD) ; +} + + +/******************************************************************************* +** +** Function _rvf_chk_buf_damage +** +** Description Called internally by rvf to check for buffer corruption. +** +** Returns TRUE if there is a problem, else FALSE +** +*******************************************************************************/ +#if RVF_ENABLE_BUF_CORRUPTION_CHECK +BOOLEAN _rvf_chk_buf_damage(void *bptr) +{ + UINT32 *lg; + T_RVF_INTERNAL_BUF * p_hdr; + + if((UINT32)bptr & 1) /* odd address */ + { return TRUE; + } + + p_hdr = USER2MEM(bptr); /* get the internal header */ + + lg = (UINT32*)( (UINT8*)bptr + GETSIZE(p_hdr) - sizeof(UINT32) ); + + if (lg == 0) + return TRUE; + + if(*lg == GETSIZE(p_hdr) ) + { + return FALSE; + } + return TRUE; +} +#endif + + + +/******************************************************************************* +** +** Function _find_buf +** +** Description Internal function which is in charge of finding a free buffer +** of the requested size in one of the lists. +** +** Returns A pointer to the buffer header, or NULL if none available +** +*******************************************************************************/ +INLINE void * _find_buf (UINT32 size) +{ + T_RVF_INTERNAL_BUF * p_hdr; + UINT8 idx; + + if (size == 0) /* if user requires a 0 byte buffer !! */ + { return (NULL); + } + + /* add the overhead for buffer corruption check */ + size = REQ2SIZE(size); + + /* find the corresponding list */ + idx = RVF_BUF_LIST_INDEX(size); + + /* 1. try in the bin corresponding to the requested size. */ + /* 2. try to use the last_remainder chunk. */ + /* 3. try in the others bins of greater size. */ + + if( (lists[idx] == NULL) || ( GETSIZE(lists[idx]) < size) ) + /* if the first buffer in the appropriate bin is not big enough. */ + { + rvf_disable(4); /* enter critical section */ + + if( last_remainder != NULL) + { + p_hdr = last_remainder; + + /* if the last remainder is big enough */ + if( GETSIZE(p_hdr) >= size ) + { + + if( GETSIZE(p_hdr) >= (size + RVF_MIN_USABLE_SIZE ) ) /* if the free part may be used */ + { /* create a new free buffer and link it in the appropriate list*/ + + T_RVF_INTERNAL_BUF * new_buf; + UINT8 new_idx; + + new_buf = (T_RVF_INTERNAL_BUF *) ((UINT8*)p_hdr + size + sizeof(T_RVF_INTERNAL_BUF)); + new_buf->buf_size = GETSIZE(p_hdr) - size - sizeof(T_RVF_INTERNAL_BUF); + ENDSIZE(new_buf) = new_buf->buf_size; + + /* remove the used buffer from the list */ + if( p_hdr->header.p_prev != NULL) + { (p_hdr->header.p_prev)->p_next = p_hdr->p_next; + } + else + { lists[ RVF_BUF_LIST_INDEX( GETSIZE(p_hdr) )] = p_hdr->p_next; + } + if( p_hdr->p_next != NULL) + { (p_hdr->p_next)->header.p_prev = p_hdr->header.p_prev; + } + p_hdr->p_next = NULL; + + SETSIZE(p_hdr, size); + ENDSIZE(p_hdr) = size; /* to CHANGE */ + + /* insert the new buffer in the appropriate list */ + new_idx = RVF_BUF_LIST_INDEX(new_buf->buf_size); + new_buf->p_next = lists[new_idx]; + lists[new_idx] = new_buf; + new_buf->header.p_prev = NULL; + if( new_buf->p_next != NULL) + { (new_buf->p_next)->header.p_prev = new_buf; + } + RVF_SET_PREV_IN_USE(new_buf); + + last_remainder = new_buf; + + rvf_enable(); /* exit critical section */ + return p_hdr; + + } + else /* return the entire buffer */ + { + /* remove the used buffer from the list */ + if( p_hdr->header.p_prev != NULL) + { (p_hdr->header.p_prev)->p_next = p_hdr->p_next; + } + else + { lists[ RVF_BUF_LIST_INDEX( GETSIZE(p_hdr) )] = p_hdr->p_next; + } + if( p_hdr->p_next != NULL) + { (p_hdr->p_next)->header.p_prev = p_hdr->header.p_prev; + } + p_hdr->p_next = NULL; + + RVF_SET_PREV_IN_USE( NEXTCHUNK(p_hdr) ); + + last_remainder = NULL; + + rvf_enable(); /* exit critical section */ + return p_hdr; + } + } + else /* the last remainder is too small */ + { + /* clear the last remainder */ + last_remainder = NULL; + } + + } + rvf_enable(); /* exit critical section */ + } + + while( idx < RVF_NB_FREE_LISTS ) + { + rvf_disable(4); /* enter critical section */ + + if( lists[idx] != NULL ) /*if the list is not empty */ + { /* remove the first buffer from the list */ + + p_hdr = lists[idx]; + if( GETSIZE(p_hdr) >= size) + { + if( GETSIZE(p_hdr) >= (size + RVF_MIN_USABLE_SIZE ) ) /* if the free part may be used */ + { /* create a new free buffer and link it in the appropriate list*/ + + T_RVF_INTERNAL_BUF * new_buf; + UINT8 new_idx; + + new_buf = (T_RVF_INTERNAL_BUF *) ((UINT8*)p_hdr + size + sizeof(T_RVF_INTERNAL_BUF)); + new_buf->buf_size = GETSIZE( p_hdr) - size - sizeof(T_RVF_INTERNAL_BUF); + ENDSIZE(new_buf) = new_buf->buf_size; + + /* remove the used buffer from the list */ + lists[idx] = p_hdr->p_next; + if( p_hdr->p_next != NULL) + { (p_hdr->p_next)->header.p_prev = NULL; + } + p_hdr->p_next = NULL; + + SETSIZE(p_hdr, size); + ENDSIZE(p_hdr) = size; + + /* insert the new buffer in the appropriate list */ + new_idx = RVF_BUF_LIST_INDEX(new_buf->buf_size); + new_buf->p_next = lists[new_idx]; + lists[new_idx] = new_buf; + new_buf->header.p_prev = NULL; + if( new_buf->p_next != NULL) + { (new_buf->p_next)->header.p_prev = new_buf; + } + RVF_SET_PREV_IN_USE(new_buf); + + last_remainder = new_buf; /* set this new buffer as the last remainder */ + + rvf_enable(); /* exit critical section */ + return p_hdr; + + } + else /* return the entire buffer */ + { lists[idx] = p_hdr->p_next; + if( p_hdr->p_next != NULL) + { (p_hdr->p_next)->header.p_prev = NULL; + } + p_hdr->p_next = NULL; + RVF_SET_PREV_IN_USE( NEXTCHUNK(p_hdr) ); + + if( last_remainder == p_hdr) /* if it was the last_remainder, clear it. */ + { + last_remainder = NULL; + } + + rvf_enable(); /* exit critical section */ + return p_hdr; + } + } + } + + rvf_enable(); /* exit critical section */ + + idx++; /* search in the next list */ + } + + return NULL; +} + + +/******************************************************************************* +** +** Function _release_buf +** +** Description Internal function called to release a buffer after use. +** The parameter points to the beginning of the header. +** +** Returns BOOLEAN: TRUE if successful, else FALSE +** +*******************************************************************************/ +INLINE BOOLEAN _release_buf (T_RVF_INTERNAL_BUF *p_hdr) +{ UINT8 idx; + +#if RVF_ENABLE_BUF_CORRUPTION_CHECK /* check for buffer corruption:i.e. if user wrote data after the end of the buffer */ + if ( _rvf_chk_buf_damage( MEM2USER(p_hdr) ) ) + { rvf_send_trace( "RVF: _release_buf(): buffer corrupted", 37, NULL_PARAM, RV_TRACE_LEVEL_ERROR, RVM_USE_ID ); + return FALSE; + } + + /* check if the buffer has been already freed */ + if ( RVF_IS_PREV_FREE( NEXTCHUNK(p_hdr) ) ) /* check buffer status */ + { rvf_send_trace( "RVF: _release_buf(): buffer already freed", 41, NULL_PARAM, RV_TRACE_LEVEL_ERROR, RVM_USE_ID ); + return FALSE; + } + +#endif + +#if RVF_ENABLE_BUF_LINKAGE_CHECK /* check for buffer linkage */ + if ( RVF_BUF_IS_LINKED(p_hdr) ) /* check buffer status */ + { rvf_send_trace( "RVF: _release_buf(): free buf buffer linked", 43, NULL_PARAM, RV_TRACE_LEVEL_ERROR, RVM_USE_ID ); + return FALSE; + } +#endif + + + rvf_disable(6); /* enter critical section */ + + /* try to coalesce the buffer with its neighbors (left and right) */ + + if( RVF_IS_PREV_FREE(p_hdr) ) + { /* merge the buffer with its left neighbor */ + UINT32 left_buf_size = *((UINT32*)((UINT8*)p_hdr - sizeof(UINT32) ) ); + T_RVF_INTERNAL_BUF * left_buf = (T_RVF_INTERNAL_BUF *) ((UINT8 *)p_hdr - left_buf_size - sizeof(T_RVF_INTERNAL_BUF) ); + + /* remove the left buffer from its list */ + if( left_buf->header.p_prev == NULL) + { lists[ RVF_BUF_LIST_INDEX(left_buf_size)] = left_buf->p_next; + } + else + { (left_buf->header.p_prev)->p_next = left_buf->p_next; + } + if( left_buf->p_next != NULL) + { + (left_buf->p_next)->header.p_prev = left_buf->header.p_prev; + } + /* set the size of the newly created buffer */ + SETSIZE(left_buf, (left_buf_size + GETSIZE(p_hdr) + sizeof(T_RVF_INTERNAL_BUF) ) ); + /* set the current buffer as free to allow check for double free */ + RVF_SET_PREV_FREE( NEXTCHUNK(p_hdr) ); + + p_hdr = left_buf; + } + + /* check for pool limits */ + if( GETSIZE( NEXTCHUNK(p_hdr) ) != 0) + { T_RVF_INTERNAL_BUF * right_buf = NEXTCHUNK(p_hdr); + /* merge the buffer with its right neighbor */ + + if( RVF_IS_PREV_FREE( NEXTCHUNK(right_buf) ) ) + { /* remove the right buffer from its list */ + UINT32 right_buf_size = GETSIZE( right_buf); + + if( right_buf->header.p_prev == NULL) + { lists[ RVF_BUF_LIST_INDEX(right_buf_size)] = right_buf->p_next; + } + else + { (right_buf->header.p_prev)->p_next = right_buf->p_next; + } + if( right_buf->p_next != NULL) + { (right_buf->p_next)->header.p_prev = right_buf->header.p_prev; + } + + right_buf_size += GETSIZE(p_hdr); + SETSIZE(p_hdr, (right_buf_size + sizeof(T_RVF_INTERNAL_BUF) ) ); + + if( last_remainder == right_buf) /* keep as last_remainder */ + { last_remainder = p_hdr; + } + } + } + + /* enqueue the free buffer in the appropriate list */ + idx = RVF_BUF_LIST_INDEX( GETSIZE(p_hdr) ); + p_hdr->header.p_prev = NULL; + p_hdr->p_next = lists[idx]; + lists[idx] = p_hdr; + if( p_hdr->p_next != NULL) + { (p_hdr->p_next)->header.p_prev = p_hdr; + } + + ENDSIZE(p_hdr) = GETSIZE(p_hdr); + RVF_SET_PREV_FREE( NEXTCHUNK(p_hdr) ); + + rvf_enable(); /* exit critical section */ + return TRUE; +} + + +/******************************************************************************* +** Function _str_cmp +** +** Description Internal function which compares two null-terminated string. +** Returns TRUE if they are equal, else FALSE. +*******************************************************************************/ +BOOLEAN _str_cmp( char *str1, char * str2) +{ UINT8 i; + for ( i = 0; (str1[i] == str2[i]) && (str1[i] != 0) && (str2[i] != 0) && (i < RVF_MAX_MB_LEN); i++ ); + if ( i == RVF_MAX_MB_LEN) + { return TRUE; + } + + if ( (str1[i] == 0) && (str2[i] == 0) ) + { return TRUE; + } + return FALSE; +} + +/****************************************************************************** +** +** MEMORY BANK RELATED FUNCTIONS +** +******************************************************************************/ + +/******************************************************************************* +** +** Function _remove_from_list +** +** Description Internal function called to remove a buffer from the list of +** buffer waiting to be counted on the memory bank. +** The parameter points to the beginning of the header. +** +** Returns BOOLEAN: TRUE if successful, else FALSE +** +*******************************************************************************/ +BOOLEAN _remove_from_list (void *bptr, T_RVF_MB * mb) +{ UINT16 * index; + UINT16 free_elem, prec; + + /* check all elements of the list */ + index = &(mb->first_buffer_index); + prec = RVF_INVALID_INDEX; + + while ( (*index != RVF_INVALID_INDEX) && (waiting_buffers[*index]!=bptr) ) + { prec = *index; + index = &(next_buffer[*index]); + } + + if (waiting_buffers[*index] == bptr) + { free_elem = *index; + *index = next_buffer[free_elem]; /* link preceding element to the next one */ + + if (next_buffer[free_elem] == RVF_INVALID_INDEX ) /* last element in the list */ + { mb->last_buffer_index = prec; + } + + waiting_buffers[free_elem] = NULL; + next_buffer[free_elem] = first_free_element; /* link free elements */ + first_free_element = free_elem; + return TRUE; + } + return FALSE; /* buffer not found */ +} + + +/******************************************************************************* +** +** Function _add_to_list +** +** Description Internal function called to add a buffer to the list of +** buffer waiting to be counted on the memory bank. +** The parameter points to the beginning of the header. +** +** Returns BOOLEAN: TRUE if successful, else FALSE +** +*******************************************************************************/ +BOOLEAN _add_to_list (void *bptr, T_RVF_MB * mb) +{ UINT16 index = first_free_element; + + first_free_element = next_buffer[index]; + + waiting_buffers[index] = bptr; + next_buffer[index] = RVF_INVALID_INDEX; + + if ( mb->last_buffer_index == RVF_INVALID_INDEX) /* empty list */ + { mb->first_buffer_index = index; + mb->last_buffer_index = index; + } + else + { next_buffer[mb->last_buffer_index] = index; + mb->last_buffer_index = index; + } + + return TRUE; +} + + +/******************************************************************************* +** +** Function rvf_create_mb +** +** Description Called by an application to create a memory bank +** +** Parameters: memory bank name, memory bank param +** (return) memory bank id +** +** Returns T_RVF_RET: RVF_OK if success +** +*******************************************************************************/ +T_RVF_RET rvf_create_mb(T_RVF_MB_NAME mb_name, T_RVF_MB_PARAM mb_param, T_RVF_MB_ID *mb_id) +{ UINT8 num_mb; + T_RVF_MB * mb; + UINT32 available_mem = 0; + UINT32 required_mem = 0; + + /* find the mb name in the array */ + for ( num_mb = 0; (num_mb < RVF_MAX_TOTAL_MB) && (!_str_cmp(mb_name, rvf_name_id[num_mb].mb_name) ); num_mb++); + + if ( num_mb == RVF_MAX_TOTAL_MB ) /* mb name not found */ + { + /* DLC added for dynamic memory bank creation*/ + + /* search the first available place in the array */ + T_RVF_MB_ID first_available_mb_id = 0; + BOOLEAN mb_id_found = FALSE; + + for ( num_mb = 0; (num_mb < RVF_MAX_TOTAL_MB) && (rvf_name_id[num_mb].mb_name[0] != 0) ; num_mb++) + { if( rvf_name_id[num_mb].mb_id == first_available_mb_id) + { first_available_mb_id ++; + } + } + + while( (first_available_mb_id < RVF_MAX_REAL_MB) && (mb_id_found == FALSE) ) + { + for ( num_mb = 0; (num_mb < RVF_MAX_TOTAL_MB) && (rvf_name_id[num_mb].mb_name[0] != 0) && (rvf_name_id[num_mb].mb_id != first_available_mb_id) ; num_mb++); + if ( rvf_name_id[num_mb].mb_id != first_available_mb_id) + { /* available mb id found */ + mb_id_found = TRUE; + } + else + { /* try the next one */ + first_available_mb_id++; + } + } + + if ( (num_mb == RVF_MAX_TOTAL_MB) || (first_available_mb_id + 1 >= RVF_MAX_REAL_MB ) ) /* no available space in the array */ + + { *mb_id = RVF_INVALID_MB_ID; + return RVF_INVALID_PARAMETER; + } + + if(INC_Initialize_State==INC_END_INITIALIZE) rvf_disable(20); /* enter critical section */ + + /* create the new mb name and id */ + strcpy( rvf_name_id[num_mb].mb_name, mb_name); + rvf_name_id[num_mb].mb_id = first_available_mb_id; + + /* initialize the next one */ + rvf_name_id[num_mb+1].mb_name[0] = 0; + rvf_name_id[num_mb+1].mb_id = 0; + + if(INC_Initialize_State==INC_END_INITIALIZE) rvf_enable(); /* exit critical section */ + } + + /* check if the memory bank has been already created */ + if ( rvf_name_id[ num_mb].mb_params.size != 0) + { *mb_id = RVF_INVALID_MB_ID; + return RVF_INTERNAL_ERR; + } + + rvf_get_available_mem( &available_mem, &required_mem); + + if ( ( (required_mem + mb_param.size)*100) > ( available_mem * _rvf_get_mem_usage_ratio()) ) /* if there is not enough available memory to create this mb */ + { *mb_id = RVF_INVALID_MB_ID; /* In a next version: try to create a dynamic pool */ + return RVF_MEMORY_ERR; + } + + rvf_disable(20); /* enter critical section */ + + /* save the mb parameters for deletion */ + rvf_name_id[num_mb].mb_params.size = mb_param.size; + rvf_name_id[num_mb].mb_params.watermark = mb_param.watermark; + + * mb_id = rvf_name_id[num_mb].mb_id; + mb = &rvf_banks[ *mb_id ]; + /* initialize the memory bank structure */ + mb->watermark += mb_param.watermark; + mb->max += mb_param.size; + + rvf_enable(); /* exit critical section */ + + return RVF_OK; +} + + +/******************************************************************************* +** +** Function rvf_get_mb_id +** +** Description Called by an application to get the memory bank id from its name +** +** Parameters: memory bank name +** (return) memory bank id +** +** Returns T_RVF_RET: RVF_OK if success +** +*******************************************************************************/ +T_RVF_RET rvf_get_mb_id(T_RVF_MB_NAME mb_name, T_RVF_MB_ID *mb_id) +{ UINT8 num_mb; + + + /* find the mb name in the array */ + for ( num_mb = 0; (num_mb < RVF_MAX_TOTAL_MB) && (!_str_cmp(mb_name, rvf_name_id[num_mb].mb_name) ); num_mb++); + if ( num_mb == RVF_MAX_TOTAL_MB ) /* mb name not found */ + { *mb_id = RVF_INVALID_MB_ID; + return RVF_INVALID_PARAMETER; + } + if ( rvf_banks[ rvf_name_id[num_mb].mb_id ].max == 0 ) + { /* the memory bank has not been created */ + *mb_id = RVF_INVALID_MB_ID; + return RVF_NOT_READY; + } + *mb_id = rvf_name_id[num_mb].mb_id; + return RVF_OK; +} + + +/******************************************************************************* +** +** Function rvf_delete_mb +** +** Description Called by an application to delete a memory bank +** +** Parameters: memory bank name +** +** Returns T_RVF_RET: RVF_OK if success +** +*******************************************************************************/ +T_RVF_RET rvf_delete_mb(T_RVF_MB_NAME mb_name) +{ UINT8 num_mb; + T_RVF_MB * mb; + + /* find the mb name in the array */ + for ( num_mb = 0; (num_mb < RVF_MAX_TOTAL_MB) && (!_str_cmp(mb_name, rvf_name_id[num_mb].mb_name) ); num_mb++); + if ( num_mb == RVF_MAX_TOTAL_MB ) /* mb name not found */ + { return RVF_INVALID_PARAMETER; + } + mb = &rvf_banks[ rvf_name_id[num_mb].mb_id ]; + + /* check if the mb is used more than once or not */ + if ( mb->max == rvf_name_id[num_mb].mb_params.size ) + { /* mb is used only once, check if cur_memory_used > 0 */ + if ( mb->cur_memory_used > 0) + { rvf_send_trace( "RVF: rvf_delete_mb(): not all buffers have been freed", 53, NULL_PARAM, RV_TRACE_LEVEL_ERROR, RVM_USE_ID ); + return RVF_MEMORY_ERR; + /* free all buffers ????? -> NOT POSSIBLE */ + } + /* initialize mb params */ + mb->max = 0; + mb->first_buffer_index = RVF_INVALID_INDEX; + mb->last_buffer_index = RVF_INVALID_INDEX; + mb->watermark = 0; + mb->returned_red = FALSE; + mb->func = 0; +#if RVF_ENABLE_STATS + mb->max_reached = 0; + mb->required_size = 0; + mb->num_buf = 0; +#endif + + } + else /* mb is still used by another entity */ + { /* change mb params */ + mb->max -= rvf_name_id[num_mb].mb_params.size; + mb->watermark -= rvf_name_id[num_mb].mb_params.watermark; + } + + rvf_name_id[num_mb].mb_params.size = 0; + rvf_name_id[num_mb].mb_params.watermark = 0; + + return RVF_OK; +} + +T_RVF_RET rvf_mb_is_used(T_RVF_MB_NAME mb_name, UINT8* isUsed) { + UINT8 num_mb; + T_RVF_MB * mb; + + *isUsed=0; + + /* find the mb name in the array */ + for ( num_mb = 0; (num_mb < RVF_MAX_TOTAL_MB) && (!_str_cmp(mb_name, rvf_name_id[num_mb].mb_name) ); num_mb++); + if ( num_mb == RVF_MAX_TOTAL_MB ) {/* mb name not found */ + return RVF_INVALID_PARAMETER; + } + mb = &rvf_banks[ rvf_name_id[num_mb].mb_id ]; + + /* check if the mb is used more than once or not */ + if ( mb->max == rvf_name_id[num_mb].mb_params.size ) { + /* mb is used only once, check if cur_memory_used > 0 */ + if ( mb->cur_memory_used > 0) *isUsed=1; + } + return RVF_OK; +} + + + +/******************************************************************************* +** +** Function rvf_get_mb_status +** +** Description Called by an application to get the status of a memory bank +** +** Parameters: memory bank id +** +** Returns T_RVF_MB_STATUS: RVF_GREEN if everything is ok, +** RVF_YELLOW if watermark limit has been reached, +** RVF_RED if max size has been reached +** +*******************************************************************************/ +T_RVF_MB_STATUS rvf_get_mb_status(T_RVF_MB_ID mb_id) +{ T_RVF_MB * mb; + + /* checking for invalid memory bank IDs */ + if (mb_id >= RVF_MAX_REAL_MB) + { +#ifdef RVM_DAR_SWE + dar_diagnose_generate_emergency (RVF_INVALID_MD_ID_ERRROR, + DAR_ASCII_FORMAT, + RVM_USE_ID); +#else + rvf_send_trace (RVF_INVALID_MD_ID_ERRROR, + sizeof (RVF_INVALID_MD_ID_ERRROR) - 1, + NULL_PARAM, + RV_TRACE_LEVEL_ERROR, + RVM_USE_ID); +#endif + return RVF_RED; + } + mb = &rvf_banks[mb_id]; + + if ( mb->returned_red == TRUE) /* if a previous count buf or get buf has failed */ + { return RVF_RED; + } + + if ( mb->cur_memory_used < mb->watermark ) + { return RVF_GREEN; + } + else + { if ( mb->cur_memory_used < mb->max ) + { return RVF_YELLOW; + } + else + { return RVF_RED; /* since max and cur_memory_used are set to 0 for not-created mb, it will return RED*/ + } + } +} + +/******************************************************************************* +** +** Function rvf_get_mb_unused_mem +** +** Description Called by an application to get the number of bytes available +** until the memory bank size. +** +** Parameters: memory bank id +** +** Returns UINT32: number of bytes available +** returns 0 if the memory bank has not been created. +** +*******************************************************************************/ +UINT32 rvf_get_mb_unused_mem(T_RVF_MB_ID mb_id) +{ T_RVF_MB * mb; + mb = &rvf_banks[mb_id]; + + if ( mb->returned_red == TRUE) /* if a previous count buf or get buf has failed */ + { return 0; + } + + return( mb->max - mb->cur_memory_used); +} + +/******************************************************************************* +** +** Function rvf_get_mb_unused_green_mem +** +** Description Called by an application to get the number of bytes available +** until the memory bank watermark. +** +** Parameters: memory bank id +** +** Returns UINT32: number of bytes available +** returns 0 if the memory bank has not been created. +** +*******************************************************************************/ +UINT32 rvf_get_mb_unused_green_mem(T_RVF_MB_ID mb_id) +{ T_RVF_MB * mb; + mb = &rvf_banks[mb_id]; + + if ( mb->returned_red == TRUE) /* if a previous count buf or get buf has failed */ + { return 0; + } + + if( mb->cur_memory_used > mb->watermark) + { return 0; + } + + return( mb->watermark - mb->cur_memory_used); +} + +/******************************************************************************* +** +** Function rvf_get_buf +** +** Description Called by an application to get a buffer from a memory bank +** +** Parameters: memory bank id, buffer size +** (return) buffer pointer to the allocated buffer or null if +** mb status is RVF_RED +** +** Returns T_RVF_MB_STATUS: RVF_GREEN if everything is ok, +** RVF_YELLOW if watermark limit has been reached, +** RVF_RED if max size has been reached (does not return a buffer) +** +*******************************************************************************/ +T_RVF_MB_STATUS rvf_get_buf(T_RVF_MB_ID mb_id, UINT32 buffer_size, T_RVF_BUFFER** p_buffer) +{ T_RVF_MB * mb; + + /* checking for invalid memory bank IDs */ + if (mb_id >= RVF_MAX_REAL_MB) + { +#ifdef RVM_DAR_SWE + dar_diagnose_generate_emergency (RVF_INVALID_MD_ID_ERRROR, + DAR_ASCII_FORMAT, + RVM_USE_ID); +#else + rvf_send_trace (RVF_INVALID_MD_ID_ERRROR, + sizeof (RVF_INVALID_MD_ID_ERRROR) - 1, + NULL_PARAM, + RV_TRACE_LEVEL_ERROR, + RVM_USE_ID); +#endif + return RVF_RED; + } + mb = &rvf_banks[ mb_id ]; + + /* check memory usage */ + if ( ( mb->cur_memory_used + buffer_size) > mb->max ) + { /* over the limits, return RED and do not allocate a buffer */ + mb->returned_red = TRUE; + *p_buffer = NULL; + return RVF_RED; + } + + /* find a buffer of the requested size */ + *p_buffer = _find_buf( buffer_size ); + if ( *p_buffer == NULL ) /* error during allocation, not enough memory */ + { //rvf_send_trace( "RVF: rvf_get_buf(): not enough available physical memory", 56, NULL_PARAM, RV_TRACE_LEVEL_ERROR, TRACE_RVF_BUFFER ); + mb->returned_red = TRUE; + return RVF_RED; + } + +#if RVF_ENABLE_STATS + required_size += buffer_size; + obtained_size += rvf_get_buf_size((UINT8*)(*p_buffer) + sizeof(T_RVF_INTERNAL_BUF)); + used_size += rvf_get_buf_size((UINT8*)(*p_buffer) + sizeof(T_RVF_INTERNAL_BUF)) + sizeof(T_RVF_INTERNAL_BUF) + RVF_CORRUPT_OVERHEAD; + mem_in_use += rvf_get_buf_size((UINT8*)(*p_buffer) + sizeof(T_RVF_INTERNAL_BUF)) + sizeof(T_RVF_INTERNAL_BUF) + RVF_CORRUPT_OVERHEAD; +#endif + + if(INC_Initialize_State==INC_END_INITIALIZE) rvf_disable(20); /* enter critical section */ +#if RVF_ENABLE_BUF_LINKAGE_CHECK + /* set as unlinked */ + RVF_SET_BUF_UNLINKED((T_RVF_INTERNAL_BUF*)(*p_buffer)); +#endif + + /* increase memory use counter */ + mb->cur_memory_used += rvf_get_buf_size( (UINT8*)(*p_buffer) + sizeof(T_RVF_INTERNAL_BUF) ); + ( (T_RVF_INTERNAL_BUF *) (*p_buffer))->header.external.mb_id = mb_id; + ( (T_RVF_INTERNAL_BUF *) (*p_buffer))->header.external.mb_expected = RVF_INVALID_MB_ID; + + *p_buffer = (UINT8*)(*p_buffer) + sizeof(T_RVF_INTERNAL_BUF); + +#if RVF_ENABLE_STATS + if ( mb->cur_memory_used > mb->max_reached ) + { mb->max_reached = mb->cur_memory_used; + } + mb->required_size += buffer_size; + mb->num_buf++; +#endif + + if(INC_Initialize_State==INC_END_INITIALIZE) rvf_enable(); /* exit critical section */ + + /* return the correct flag */ + if ( mb->cur_memory_used > mb->watermark ) + { return RVF_YELLOW; + } + else + { return RVF_GREEN; + } +} + +/******************************************************************************* +** +** Function rvf_count_buf +** +** Description Called by an application to change the memory bank on which a buffer is counted +** +** Parameters: new memory bank id, +** pointer to the buffer. +** +** Returns T_RVF_MB_STATUS: RVF_GREEN if everything is ok, +** RVF_YELLOW if watermark limit has been reached, +** RVF_RED if max size has been reached +** +*******************************************************************************/ +T_RVF_MB_STATUS rvf_count_buf(T_RVF_MB_ID mb_id, T_RVF_BUFFER * p_buffer) +{ T_RVF_INTERNAL_BUF * buf; + UINT32 buf_size; + T_RVF_MB * new_mb; + T_RVF_MB * old_mb; + + /* checking for invalid memory bank IDs */ + if (mb_id >= RVF_MAX_REAL_MB) + { +#ifdef RVM_DAR_SWE + dar_diagnose_generate_emergency (RVF_INVALID_MD_ID_ERRROR, + DAR_ASCII_FORMAT, + RVM_USE_ID); +#else + rvf_send_trace (RVF_INVALID_MD_ID_ERRROR, + sizeof (RVF_INVALID_MD_ID_ERRROR) - 1, + NULL_PARAM, + RV_TRACE_LEVEL_ERROR, + RVM_USE_ID); +#endif + return RVF_RED; + } + buf = (T_RVF_INTERNAL_BUF *) ( (UINT8 *) p_buffer - sizeof(T_RVF_INTERNAL_BUF) ); + new_mb = &rvf_banks[mb_id]; + old_mb = &rvf_banks[buf->header.external.mb_id]; + + /* get the size of the buffer and try to count it on the new mb */ + buf_size = rvf_get_buf_size( p_buffer ); + + if ( ( new_mb->cur_memory_used + buf_size ) < new_mb->max ) + { /* there is enough memory in the new mb */ + + if ( buf->header.external.mb_expected != RVF_INVALID_MB_ID ) + { /* remove the buffer from the list of waiting buffers in mb expected */ + _remove_from_list( buf, &rvf_banks[buf->header.external.mb_expected] ); + buf->header.external.mb_expected = RVF_INVALID_MB_ID; + } + + rvf_disable(20); /* enter critical section */ + + /* decrease the memory used in the old mb */ + old_mb->cur_memory_used -= buf_size; + + /* increase memory used in the new mb */ + new_mb->cur_memory_used += buf_size; + + rvf_enable(); /* exit critical section */ + + /* call the callback function if state of the old mb switches to RVF_GREEN and there is no buffer waiting */ + if ( (old_mb->cur_memory_used < old_mb->watermark) && (old_mb->first_buffer_index == RVF_INVALID_INDEX) && (old_mb->returned_red == TRUE) && ( old_mb->func != NULL) ) + { old_mb->returned_red = FALSE; + old_mb->func( buf->header.external.mb_id); + } + else + { /* count as many waiting buffers as possible on the old mb */ + while( (old_mb->first_buffer_index != RVF_INVALID_INDEX) && (rvf_count_buf( buf->header.external.mb_id, (UINT8 *) (waiting_buffers[old_mb->first_buffer_index]) + sizeof(T_RVF_INTERNAL_BUF)) != RVF_RED) ); + if ( (old_mb->cur_memory_used < old_mb->watermark) && (old_mb->first_buffer_index == RVF_INVALID_INDEX) && (old_mb->returned_red == TRUE) && ( old_mb->func != NULL) ) + { old_mb->returned_red = FALSE; + old_mb->func( buf->header.external.mb_id); + } + } + /* change mb_id of the buffer */ + buf->header.external.mb_id = mb_id; + + + +#if RVF_ENABLE_STATS + if ( new_mb->cur_memory_used > new_mb->max_reached ) + { new_mb->max_reached = new_mb->cur_memory_used; + } +#endif + + if ( new_mb->cur_memory_used > new_mb->watermark ) + { return RVF_YELLOW; + } + else + { return RVF_GREEN; + } + } + else + { /* there is not enough memory in the new mb_id */ + if ( buf->header.external.mb_expected != RVF_INVALID_MB_ID) /* remove the buffer from old expected mb */ + { _remove_from_list( buf, &rvf_banks[ buf->header.external.mb_expected] ); + } + /* enqueue the buffer in the list of waiting buffer */ + buf->header.external.mb_expected = mb_id; + _add_to_list( buf, new_mb ); + new_mb->returned_red = TRUE; + return RVF_RED; + } +} + +/******************************************************************************* +** +** Function rvf_free_buf +** +** Description Called by an application to free a buffer +** +** Parameters: buffer pointer +** +** Returns T_RVF_RET: T_RVF_OK if succesful, +** +*******************************************************************************/ +T_RVF_RET rvf_free_buf( T_RVF_BUFFER * p_buffer) +{ T_RVF_INTERNAL_BUF * buf; + T_RVF_MB * mb; + T_RVF_MB_ID mb_id; + UINT32 buf_size; + + + buf = USER2MEM(p_buffer); + + mb_id = buf->header.external.mb_id; + mb = &rvf_banks[mb_id]; + buf_size = rvf_get_buf_size(p_buffer); + + /* do not need to change the mb id of the buffer, since it will be overwritten by p_prev */ + + /* free the buffer */ + if ( !_release_buf(buf) ) + { return RVF_MEMORY_ERR; + } + +#if RVF_ENABLE_STATS + mem_in_use -= buf_size + sizeof(T_RVF_INTERNAL_BUF) + RVF_CORRUPT_OVERHEAD; +#endif + + rvf_disable(20); /* enter critical section */ + + /* decrease mb memory use */ + mb->cur_memory_used -= buf_size; + + rvf_enable(); /* exit critical section */ + + + /* call the callback function if state of the mb switches to RVF_GREEN and there is no buffer waiting */ + if ( (mb->returned_red == TRUE) && (mb->cur_memory_used < mb->watermark) && ( mb->first_buffer_index == RVF_INVALID_INDEX) && ( mb->func != NULL) ) + { mb->returned_red = FALSE; + mb->func( mb_id); + } + else + { /* count as many waiting buffers as possible on the mb */ + while( (mb->first_buffer_index != RVF_INVALID_INDEX) && (rvf_count_buf( mb_id, (UINT8 *) (waiting_buffers[mb->first_buffer_index]) + sizeof(T_RVF_INTERNAL_BUF)) != RVF_RED) ); + if ( (mb->cur_memory_used < mb->watermark) && ( mb->first_buffer_index == RVF_INVALID_INDEX) && (mb->returned_red == TRUE) && ( mb->func != NULL) ) + { mb->returned_red = FALSE; + mb->func( mb_id); + } + } + + return RVF_OK; +} + + +/******************************************************************************* +** +** Function rvf_set_callback_func +** +** Description Called the first time an application wants to set the callback +** function associated to a memory bank. +** +** Parameters: memory bank id, pointer to the callback function. +** +** Returns T_RVF_RET: T_RVF_OK if succesful, +** +*******************************************************************************/ +T_RVF_RET rvf_set_callback_func(T_RVF_MB_ID mb_id, MB_CALLBACK_FUNC func) +{ T_RVF_MB * mb; + + /* checking for invalid memory bank IDs */ + if (mb_id >= RVF_MAX_REAL_MB) + return RVF_INVALID_PARAMETER; + mb = &rvf_banks[mb_id]; + if ( (mb->max != 0) && (mb->func == NULL) ) /* if the mb has been created and the callback func has never been set */ + { mb->func = func; + return RVF_OK; + } + return RVF_INVALID_PARAMETER; +} + + +/******************************************************************************* +** +** Function rvf_change_callback_func +** +** Description Called by an application to change the callback +** function associated to a memory bank. +** It means the callback function has to be set before. +** +** Parameters: memory bank id, pointer to the callback function. +** +** Returns T_RVF_RET: T_RVF_OK if succesful, +** +*******************************************************************************/ +T_RVF_RET rvf_change_callback_func(T_RVF_MB_ID mb_id, MB_CALLBACK_FUNC func) +{ T_RVF_MB * mb; + + /* checking for invalid memory bank IDs */ + if (mb_id >= RVF_MAX_REAL_MB) + return RVF_INVALID_PARAMETER; + mb = &rvf_banks[mb_id]; + if ( (mb->max != 0) && (mb->func != NULL) ) /* if the mb has been created and the callback func has already been set */ + { mb->func = func; + return RVF_OK; + } + return RVF_INVALID_PARAMETER; +} + +#ifdef _WINDOWS_ +/******************************************************************************* +** +** Function _rvf_window_dump_mem +** +** Description Called by a C++ object to update the graphical display of +** memory +** +** Parameters: Opaque pointer to C++ object +** +** Returns void +** +** WARNING DON'T CHANGE THE SYNTAX OF DISPLAYED DATAS SINCE +** THEY ARE PARSED TO DISPLAY GRAPHICALLY THE MEMORY +** STATUS +** +*******************************************************************************/ +void _rvf_window_dump_mem(void *m) +{ + + +#if RVF_ENABLE_STATS /* conditional compilation if stats are enabled */ + char mb_info[100]; + UINT16 num_mb, num_buf, index; + UINT32 total_mem_size = 0; + UINT32 total_max_used = 0; + UINT32 total_cur_used = 0; + T_RVF_MB * mb; + + + for ( num_mb = 0; num_mb < RVF_MAX_TOTAL_MB; num_mb++ ) + { + /* trace the mb if it has been created*/ + if ( rvf_name_id[num_mb].mb_params.size > 0 ) + { mb = &rvf_banks[ rvf_name_id[num_mb].mb_id ]; + num_buf = 0; + index = mb->first_buffer_index; + while ( index != RVF_INVALID_INDEX) + { num_buf++; + index = next_buffer[index]; + } + strcpy(mb_info,rvf_name_id[num_mb].mb_name); + mb_info[10]='\0'; + AddNewState(m,mb_info, + mb->cur_memory_used,mb->max_reached,mb->watermark,mb->max); + + + total_mem_size += mb->max; + total_max_used += mb->max_reached; + total_cur_used += mb->cur_memory_used; + } + } + +#endif /* RVF_ENABLE_STATS */ +} + +#endif + +/******************************************************************************* +** +** Function rvf_dump_mem +** +** Description Called by an application to dump mb state and display statistics +** +** Parameters: None +** +** Returns void +** +** WARNING DON'T CHANGE THE SYNTAX OF DISPLAYED DATAS SINCE +** THEY ARE PARSED TO DISPLAY GRAPHICALLY THE MEMORY +** STATUS +** +*******************************************************************************/ +void rvf_dump_mem() +{ +#if RVF_ENABLE_STATS /* conditional compilation if stats are enabled */ + char mb_info[100]; + UINT16 num_mb, num_buf, index; + UINT32 total_mem_size = 0; + UINT32 total_max_used = 0; + UINT32 total_cur_used = 0; + T_RVF_MB * mb; + + + /* display memory required, obtained and ratio */ + rvf_send_trace("MEM STAT: Total memory required", 31, required_size, RV_TRACE_LEVEL_DEBUG_HIGH, RVM_USE_ID); + rvf_send_trace("MEM STAT: Total memory obtained", 31, obtained_size, RV_TRACE_LEVEL_DEBUG_HIGH, RVM_USE_ID); + rvf_send_trace("MEM STAT: Total memory used ", 31, used_size, RV_TRACE_LEVEL_DEBUG_HIGH, RVM_USE_ID); + sprintf( mb_info,"MEM STAT: Mem usage ratio : %010f%%", ( (double)(required_size) / (double)(obtained_size) ) *100 ); + rvf_send_trace(mb_info, 44, NULL_PARAM , RV_TRACE_LEVEL_DEBUG_HIGH, RVM_USE_ID); + + rvf_send_trace("*** START DUMPING MEMORY BANK ***", 33, NULL_PARAM, RV_TRACE_LEVEL_DEBUG_HIGH, RVM_USE_ID); + /* for each mb, display its name, its id, its cur_size, its watermark, its limit, its max reached, the number of callback functions enqueued, + (the requested size, the number of allocated buffer), the average buffer size for this mb */ + rvf_send_trace("**MB_NAME* Id Used_mem Watermark Limit Peak Nb_buff Avg_buf_size", 67, NULL_PARAM, RV_TRACE_LEVEL_DEBUG_HIGH, RVM_USE_ID); + + for ( num_mb = 0; num_mb < RVF_MAX_TOTAL_MB; num_mb++ ) + { + /* trace the mb if it has been created*/ + if ( rvf_name_id[num_mb].mb_params.size > 0 ) + { mb = &rvf_banks[ rvf_name_id[num_mb].mb_id ]; + num_buf = 0; + index = mb->first_buffer_index; + while ( index != RVF_INVALID_INDEX) + { num_buf++; + index = next_buffer[index]; + } + sprintf( mb_info, "%10.10s %2d %6d %6d %6d %6d %2d %6d", + rvf_name_id[num_mb].mb_name, rvf_name_id[num_mb].mb_id, + mb->cur_memory_used, mb->watermark, mb->max, mb->max_reached, num_buf, + mb->num_buf == 0? 0:mb->required_size / mb->num_buf); + + rvf_send_trace( mb_info, 67, NULL_PARAM, RV_TRACE_LEVEL_DEBUG_HIGH, RVM_USE_ID); + + total_mem_size += mb->max; + total_max_used += mb->max_reached; + total_cur_used += mb->cur_memory_used; + } + } + sprintf( mb_info, "TOTAL: ******** %6d********** %6d %6d", + total_cur_used, total_mem_size, total_max_used ); + + rvf_send_trace( mb_info, 46, NULL_PARAM, RV_TRACE_LEVEL_DEBUG_HIGH, RVM_USE_ID); + +#endif /* RVF_ENABLE_STATS */ +} + + +/******************************************************************************* +** +** Function rvf_get_available_mem +** +** Description Called to get the total size of the memory and the used size. +** +** Parameters: (return) UINT32 * total_size: contains the number of bytes in the memory. +** (return) UINT32 * used_size: contains the number of used bytes in the memory. +** +** Returns T_RVF_RET: RVF_OK if successful, else a negative value. +** +*******************************************************************************/ +T_RVF_RET rvf_get_available_mem( UINT32 * total_size, UINT32 * used_size ) +{ + UINT16 count; + *total_size = 0; + *used_size = 0; + + /* check if there is enough available physical memory (static or dynamic): if Sum(mb size) <= Sum(pool size)*/ + for ( count = 0; count < _rvf_get_number_of_pool(); count ++ ) /* sum the memory in pools */ + { *total_size += _rvf_pools[count].pool_size; + } + /* sum the memory required by existing mb */ + for ( count = 0; count < RVF_MAX_REAL_MB; count ++ ) + { *used_size += rvf_banks[count].max; + } + + return RVF_OK; +} + + +/******************************************************************************* +** +** Function rvf_get_mb_param +** +** Description return the parameters of a specific memory bank +** +** Parameters: T_RVF_MB_NAME: name of the memory bank +** (return) T_RVF_MB_PARAM*: parameter of the memory bank. +** +** Returns T_RVF_RET: RVF_OK if successful, else a negative value. +** +*******************************************************************************/ +T_RVF_RET rvf_get_mb_param( T_RVF_MB_NAME mb_name, T_RVF_MB_PARAM * param) +{ UINT8 num_mb; + + /* find the mb name in the array */ + for ( num_mb = 0; (num_mb < RVF_MAX_TOTAL_MB) && (!_str_cmp(mb_name, rvf_name_id[num_mb].mb_name) ); num_mb++); + if ( num_mb == RVF_MAX_TOTAL_MB ) /* mb name not found */ + { return RVF_INVALID_PARAMETER; + } + + /* copy the parameters of the memory bank */ + *param = rvf_name_id[num_mb].mb_params; + + return RVF_OK; +} + + +/******************************************************************************* +** +** Function rvf_set_mb_param +** +** Description change the parameters of a specific memory bank +** +** Parameters: T_RVF_MB_NAME: name of the memory bank +** T_RVF_MB_PARAM*: parameter of the memory bank. +** +** Returns T_RVF_RET: RVF_OK if successful, else a negative value. +** +*******************************************************************************/ +T_RVF_RET rvf_set_mb_param( T_RVF_MB_NAME mb_name, T_RVF_MB_PARAM * param) +{ UINT8 num_mb; + T_RVF_MB_ID mb_id; + T_RVF_MB * mb; + + /* find the mb name in the array */ + for ( num_mb = 0; (num_mb < RVF_MAX_TOTAL_MB) && (!_str_cmp(mb_name, rvf_name_id[num_mb].mb_name) ); num_mb++); + if ( num_mb == RVF_MAX_TOTAL_MB ) /* mb name not found */ + { return RVF_INVALID_PARAMETER; + } + + mb_id = rvf_name_id[num_mb].mb_id; + mb = &rvf_banks[ mb_id ]; + + rvf_disable(20); /* enter critical section */ + + /* decrease the mb param by the old parameters */ + mb->watermark -= rvf_name_id[num_mb].mb_params.watermark; + mb->max -= rvf_name_id[num_mb].mb_params.size; + + /* save the mb parameters */ + rvf_name_id[num_mb].mb_params.size = param->size; + rvf_name_id[num_mb].mb_params.watermark = param->watermark; + + /* increase the mb param by the new parameters */ + mb->watermark += param->watermark; + mb->max += param->size; + + rvf_enable(); /* exit critical section */ + + /* dequeue callback functions if state switches to RVF_GREEN */ + + return RVF_OK; +} + + + + +/******************************************************************************* +** +** Function rvf_empty_mailboxes +** +** Description Called by rvf_exit_task to empty a task's mailboxes before +** killing it +** +** Parameters: task_id: task of wich the mailboxes have to be emptied +** +** Returns RV_OK +** +*******************************************************************************/ +T_RV_RET _rvf_empty_mailboxes (T_RVF_G_ADDR_ID task_id) +{ + void * p_buf = NULL; + T_RVF_INTERNAL_BUF * p_hdr; + UINT8 mbox_id = 0; + + if (task_id >= MAX_RVF_TASKS) + { + rvf_send_trace( "RVF: rvf_empty_mbox(): invalid taskid: ", 39, task_id, RV_TRACE_LEVEL_ERROR, RVM_USE_ID ); + return RVF_INVALID_PARAMETER; + } + + for (mbox_id = 0; mbox_id< RVF_NUM_TASK_MBOX; mbox_id++) + { /* while the chained list is not empty */ + /*while ( OSTaskQFirst[task_id][mbox_id] ) + { + rvf_disable(9); + + p_hdr = OSTaskQFirst[task_id][mbox_id]; + OSTaskQFirst[task_id][mbox_id] = p_hdr->p_next; + */ + while ( pRtAddrIdTable[task_id]->OSTaskQFirst[mbox_id] ) + { + rvf_disable(9); + + p_hdr = pRtAddrIdTable[task_id]->OSTaskQFirst[mbox_id]; + pRtAddrIdTable[task_id]->OSTaskQFirst[mbox_id] = p_hdr->p_next; + +#if RVF_ENABLE_BUF_LINKAGE_CHECK + /* set as unlinked */ + RVF_SET_BUF_UNLINKED(p_hdr); +#endif + + p_buf = (UINT8 *)p_hdr + sizeof(T_RVF_INTERNAL_BUF); + + rvf_enable(); /* exit critical section */ + + rvf_free_buf(p_buf); + } + } + + + return (RV_OK); +} + + +/******************************************************************************* +** +** Function rvf_scan_next +** +** Description return the next item in the queue if any. +** If the end of the queue is reached, returns NULL. +** If current item is NULL, returns the first item in the queue. +** +** Returns NULL if the end of the queue is reached, else a pointer to the buffer. +** +*******************************************************************************/ +T_RVF_BUFFER * rvf_scan_next (T_RVF_BUFFER_Q * p_q, T_RVF_BUFFER * p_buf) +{ + T_RVF_INTERNAL_BUF *p_hdr; + + if (!p_q->count) /* if the queue is empty */ + return (NULL); + + if (p_buf == NULL) /* if current item == NULL, returns the first one */ + { + return (T_RVF_BUFFER*)p_q->p_first; + } + + rvf_disable(12); /* enter critical section */ + + p_hdr = (T_RVF_INTERNAL_BUF *)((UINT8 *)p_buf - sizeof(T_RVF_INTERNAL_BUF)); + p_hdr = p_hdr->p_next; + if (p_hdr != NULL) + { p_hdr = (T_RVF_INTERNAL_BUF*) ((UINT8 *)p_hdr + sizeof(T_RVF_INTERNAL_BUF)); + } + + rvf_enable(); + + return (T_RVF_BUFFER*)p_hdr; +} + + +/******************************************************************************* +** +** Function rvf_remove_from_queue +** +** Description remove a specific item from a queue +** +** Returns RVF_OK if the item is removed, RVF_INTERNAL_ERR else. +** +*******************************************************************************/ +T_RVF_RET rvf_remove_from_queue (T_RVF_BUFFER_Q * p_q, T_RVF_BUFFER * p_buf) +{ + T_RVF_INTERNAL_BUF *p_hdr; + T_RVF_INTERNAL_BUF *p_target; + + + if (!p_q->count) /* if the queue is empty */ + return (RVF_INTERNAL_ERR); + + rvf_disable(12); /* enter critical section */ + + /* find the specific item in the queue */ + p_target = USER2MEM((UINT8*)p_buf); + p_hdr = USER2MEM( (UINT8 *)p_q->p_first); + + if( p_hdr == p_target ) + { /* the specific item is the first one */ + rvf_dequeue( p_q); + rvf_enable(); + return (RVF_OK); + } + + while( (p_hdr->p_next != p_target) && (p_hdr->p_next != NULL) ) + { p_hdr = p_hdr->p_next; + } + + if( p_hdr->p_next == NULL) /* item not found */ + { rvf_enable(); + return (RVF_INTERNAL_ERR); + } + + + p_hdr->p_next = p_target->p_next; + p_q->count--; + + /* if we removed the last buffer */ + if (p_q->p_last == p_buf) + { p_q->p_last = p_hdr + sizeof(T_RVF_INTERNAL_BUF); + } + + p_target->p_next = NULL; + +#if RVF_ENABLE_BUF_LINKAGE_CHECK + /* set as unlinked */ + RVF_SET_BUF_UNLINKED(p_target); +#endif + + rvf_enable(); /* exit critical section */ + + return (RVF_OK); +} + +/******************************************************************************* +** +** Function rvf_dump_pool +** +** Description Called by an application to dump memory pool usage +** +** Parameters: None +** +** Returns void +** +*******************************************************************************/ +void rvf_dump_pool() +{ +#if RVF_ENABLE_STATS /* conditional compilation if stats are enabled */ + + UINT16 num_pool; + UINT32 total_mem = 0; + + /* display memory stats */ + rvf_send_trace("*** START DUMPING MEMORY ***", 28, NULL_PARAM, RV_TRACE_LEVEL_DEBUG_HIGH, RVM_USE_ID); + + /* display the total amount of memory available in the system */ + /* and the total amount of memory currently in use */ + for( num_pool = 0; num_pool < _rvf_get_number_of_pool(); num_pool++) + { total_mem += _rvf_pools[num_pool].pool_size; + } + + rvf_send_trace( "Total memory available ", 23, total_mem, RV_TRACE_LEVEL_DEBUG_HIGH, RVM_USE_ID); + rvf_send_trace( "Memory currently in use", 23, mem_in_use, RV_TRACE_LEVEL_DEBUG_HIGH, RVM_USE_ID); + +#endif /* RVF_ENABLE_STATS */ +} + +static void rvf_free_protected_buf(void *buf) +{ + rvf_free_buf(buf); +} + +void rvf_get_protected_buf(T_RVF_MB_ID mb_id, UINT32 buffer_size, T_RVF_BUFFER** p_buffer) +{ + T_RVF_MB_STATUS err; + err=rvf_get_buf(mb_id,buffer_size,p_buffer); + if (err==RVF_GREEN) + { + struct _protectedPtr_ *ptr; + struct _exceptionContext_ *context; + + context=_currentExceptionContext_[rvf_get_taskid()]; + err=rvf_get_buf(mb_id,sizeof(struct _protectedPtr_),(void*)&ptr); + ptr->next=NULL; + ptr->previous=NULL; + ptr->ptr=*p_buffer; + ptr->func=rvf_free_protected_buf; + + if (err==RVF_GREEN) + { + if (context->stack==NULL) + { + context->stack=ptr; + } + else + { + ptr->previous=context->stack; + context->stack->next=ptr; + context->stack=ptr; + } + } + else + { + rvf_free_buf(*p_buffer); + } + } + if (err!=RVF_GREEN) + throw(E_not_enough_memory); +} + +//TISHMMS Project +/* add by xmzhou_trace_string to trace debug trace message */ +void xmzhou_trace_string(char * string2trace) +{ +rvf_send_trace(string2trace,strlen(string2trace),NULL_PARAM, RV_TRACE_LEVEL_DEBUG_LOW, RVM_USE_ID); +} + +void xmzhou_trace_string_value(char * string2trace,UINT32 value) +{ +rvf_send_trace(string2trace,strlen(string2trace),value, RV_TRACE_LEVEL_DEBUG_LOW, RVM_USE_ID); +} + +static void mychar2hex(char ch, char *str) +{ + unsigned char h_nibble = (ch >> 4) & 0x0F; + unsigned char l_nibble = ch & 0x0F; + + if (h_nibble < 10) + str[0] = 48 + h_nibble; + else + str[0] = 55 + h_nibble; + + if (l_nibble < 10) + str[1] = 48 + l_nibble; + else + str[1] = 55 + l_nibble; +} + +void xmzhou_trace_n_bytes(char * buffer0, UINT32 len) +{ +int i; +int traced_len=0; +char mybuffer[40]; +char *tracebuffer; + +if(buffer0==NULL) return; + +xmzhou_trace_string_value("xmzhou dumping data length=",len); +xmzhou_trace_string("-------"); + + +while(traced_len<len){ + + if((len-traced_len)>=16){ + tracebuffer=mybuffer; + for (i = 0; i < 16; i++) { + mychar2hex (buffer0[traced_len+i], tracebuffer); + tracebuffer += 2; + } + traced_len+=16; + *tracebuffer = '\0'; + rvf_send_trace(mybuffer,strlen(mybuffer),NULL_PARAM, RV_TRACE_LEVEL_DEBUG_LOW, RVM_USE_ID); + rvf_delay(20); + }else{ + tracebuffer=mybuffer; + for(i=0;i<(len-traced_len);i++) + { + mychar2hex (buffer0[traced_len+i], tracebuffer); + tracebuffer += 2; + } + *tracebuffer = '\0'; + rvf_send_trace(mybuffer,strlen(mybuffer),NULL_PARAM, RV_TRACE_LEVEL_DEBUG_LOW, RVM_USE_ID); + rvf_delay(20); + break; + } + +} +}