sergiotarxz/nuttx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Added support to crashdump for rx65n on sbram

Browse Source
This commit is contained in:
rajeshwaribhat 2020-04-21 16:39:21 +05:30 committed by Gregory Nutt
parent 40eb87d8b4
commit 31332904dd
15 changed files with 2150 additions and 40 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
arch/renesas/src/rx65n/Kconfig
View File

@ -146,6 +146,11 @@ config RX65N_CMT0
bool "CMT0"
default y
config RX65N_CMT1
bool "CMT1"
default n
depends on BOARD_CRASHDUMP && RX65N_SBRAM && RX65N_SAVE_CRASHDUMP
config RX65N_CMT2
bool "CMT2"
default y
@ -162,6 +167,15 @@ config RX65N_IRQ_GROUP
bool "IRQ_GROUP"
default y
config RX65N_SBRAM
bool "SBRAM"
default n
depends on BOARD_CRASHDUMP
config RX65N_SAVE_CRASHDUMP
bool "SBRAM Save Crashdump"
depends on RX65N_SBRAM
config RX65N_EMAC
bool
default n
@ -272,6 +286,11 @@ config RX65N_CMT0
bool "CMT0"
default y
config RX65N_CMT1
bool "CMT1"
default n
depends on BOARD_CRASHDUMP && RX65N_SBRAM && RX65N_SAVE_CRASHDUMP
config RX65N_CMT2
bool "CMT2"
default y
@ -288,6 +307,15 @@ config RX65N_IRQ_GROUP
bool "IRQ_GROUP"
default y
config RX65N_SBRAM
bool "SBRAM"
default n
depends on BOARD_CRASHDUMP
config RX65N_SAVE_CRASHDUMP
bool "SBRAM Save Crashdump"
depends on RX65N_SBRAM
config RX65N_EMAC
bool
default n

2
arch/renesas/src/rx65n/Make.defs
View File

@ -47,7 +47,7 @@ CHIP_CSRCS = rx65n_lowputc.c rx65n_serial.c rx65n_copystate.c rx65n_irq.c
CHIP_CSRCS += rx65n_schedulesigaction.c rx65n_sigdeliver.c rx65n_initialstate.c
CHIP_CSRCS += rx65n_hardware_setup.c rx65n_icu.c rx65n_port.c rx65n_sci.c
CHIP_CSRCS += rx65n_cgc.c rx65n_dumpstate.c rx65n_vector_table.c
CHIP_CSRCS += rx65n_timerisr.c
CHIP_CSRCS += rx65n_timerisr.c rx65n_sbram.c
ifeq ($(CONFIG_RX65N_EMAC),y)
CHIP_CSRCS += rx65n_eth.c rx65n_cmtw0.c

14
arch/renesas/src/rx65n/rx65n_definitions.h
View File

@ -92,7 +92,7 @@
#define RX_SCISCR_SXSIN1 (0x02)
/* External clock, SCK pin used for clock input */
/* External clock, SCK pin used for clock input */
#define RX_SCISCR_SXSIN2 (0x03)
@ -174,10 +174,10 @@
#define RX65N_CMT_CMCR_DEFAULT (0x0080)
#define RX65N_CMT_CMCR_CMIE_ENABLE (0x0040)
#define RX65N_CMT_MSTPCRA_STOP (0x00008000) /*Release unit0(CMT0 and CMT1) from module stop state*/
#define RX65N_CMT_UNIT1_MSTPCRA_STOP (0x00004000) /*Release unit1(CMT2 and CMT3) from module stop state*/
#define RX65N_CMTW_UNIT1_MSTPCRA_STOP (0x00000001) /*Release CMTW unit1 from module stop state*/
#define RX65N_CMTW_UNIT0_MSTPCRA_STOP (0x00000002) /*Release CMTW unit0 from module stop state*/
#define RX65N_CMT_MSTPCRA_STOP (0x00008000) /* Release unit0(CMT0 and CMT1) from module stop state */
#define RX65N_CMT_UNIT1_MSTPCRA_STOP (0x00004000) /* Release unit1(CMT2 and CMT3) from module stop state */
#define RX65N_CMTW_UNIT1_MSTPCRA_STOP (0x00000001) /* Release CMTW unit1 from module stop state */
#define RX65N_CMTW_UNIT0_MSTPCRA_STOP (0x00000002) /* Release CMTW unit0 from module stop state */
#define RX65N_CMTCMSTR0_STR0 (0x0001) /* Bit 0: TCNT0 is counting */
#define RX65N_CMTCMSTR0_STR1 (0x0002) /* Bit 1: TCNT1 is counting */
#define RX65N_CMTCMSTR1_STR2 (0x0001) /* Bit 0: TCNT0 is counting */
@ -537,6 +537,10 @@
#define RTC_RCR2_HR24 (0x40)
#define RTC_PERIODIC_INTERRUPT_2_SEC (0xf)
/* StandBy RAM Address */
#define RX65N_SBRAM_BASE 0x000a4000
/****************************************************************************
* Public Types
****************************************************************************/

45
arch/renesas/src/rx65n/rx65n_dumpstate.c
View File

@ -1,35 +1,20 @@
/****************************************************************************
* arch/renesas/src/rx65n/rx65n_dumpstate.c
*
* Copyright (C) 2008-2019 Gregory Nutt. All rights reserved.
* Author: Anjana <anjana@tataelxsi.co.in>
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* http://www.apache.org/licenses/LICENSE-2.0
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
@ -64,10 +49,10 @@ static uint32_t s_last_regs[XCPTCONTEXT_REGS];
****************************************************************************/
/****************************************************************************
* Name: rx65n_getsp
* Name: up_getsp
****************************************************************************/
static inline uint16_t rx65n_getsp(void)
uint16_t up_getsp(void)
{
uint16_t sp;
@ -156,7 +141,7 @@ static inline void rx65n_registerdump(void)
void up_dumpstate(void)
{
struct tcb_s *rtcb = running_task();
uint32_t sp = rx65n_getsp();
uint32_t sp = up_getsp();
uint32_t ustackbase;
uint32_t ustacksize;
#if CONFIG_ARCH_INTERRUPTSTACK > 3

806
arch/renesas/src/rx65n/rx65n_sbram.c Normal file
View File

@ -0,0 +1,806 @@
/****************************************************************************
* arch/renesas/src/rx65n/rx65n_sbram.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/* This will driver create a set of files in the RX65N's Battery backed up
* SRAM. That can be used to store data retained across power cycles.
*
*/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
#include <stdio.h>
#include <stdbool.h>
#include <string.h>
#include <poll.h>
#include <errno.h>
#include <unistd.h>
#include <time.h>
#include <nuttx/fs/fs.h>
#include <crc32.h>
#include "rx65n_sbram.h"
#include "chip.h"
#ifdef CONFIG_RX65N_SBRAM
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define MAX_OPENCNT (255) /* Limit of uint8_t */
#ifndef CONFIG_DEBUG_INFO
# undef CONFIG_SBRAM_DEBUG
#endif
#if defined(CONFIG_SBRAM_DEBUG)
# define SBRAM_DEBUG_READ() rx65n_sbram_rd()
# define SBRAM_DUMP(p,s) rx65n_sbram_dump(p,s)
#else
# define SBRAM_DEBUG_READ()
# define SBRAM_DUMP(p,s)
#endif
#define SBRAM_HEADER_SIZE (sizeof(struct sbramfh_s))
#define SBRAM_CRCED_OFFSET (sizeof(((struct sbramfh_s *)0)->crc))
#define SBRAM_CRCED_SIZE(l) (SBRAM_HEADER_SIZE-(SBRAM_CRCED_OFFSET)+(l))
#define SBRAM_ALIGNMENT (sizeof(((struct sbramfh_s *)0)->crc))
#define SBRAM_ALIGNMENT_MASK (SBRAM_ALIGNMENT-1)
/****************************************************************************
* Private Types
****************************************************************************/
/* File Header */
struct sbramfh_s
{
uint32_t crc; /* CRC calculated over data and this struct
* starting at fileno */
uint8_t fileno; /* The minor number */
uint8_t dirty; /* Data has been written to the file */
uint16_t len; /* Total Bytes in this file */
struct timespec lastwrite; /* Last write time */
uint8_t data[]; /* Data in the file */
};
struct rx65n_sbram_s
{
sem_t exclsem; /* For atomic accesses to this structure */
uint8_t refs; /* Number of references */
FAR struct sbramfh_s *bbf; /* File in bbram */
};
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
static int rx65n_sbram_open(FAR struct file *filep);
static int rx65n_sbram_close(FAR struct file *filep);
static off_t rx65n_sbram_seek(FAR struct file *filep, off_t offset,
int whence);
static ssize_t rx65n_sbram_read(FAR struct file *filep, FAR char *buffer,
size_t len);
static ssize_t rx65n_sbram_write(FAR struct file *filep,
FAR const char *buffer, size_t len);
static int rx65n_sbram_ioctl(FAR struct file *filep, int cmd,
unsigned long arg);
static int rx65n_sbram_poll(FAR struct file *filep,
FAR struct pollfd *fds,
bool setup);
#ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
static int rx65n_sbram_unlink(FAR struct inode *inode);
#endif
/****************************************************************************
* Private Data
****************************************************************************/
#if defined(CONFIG_SBRAM_DEBUG)
static uint8_t debug[RX65N_SBRAM_SIZE];
#endif
static const struct file_operations rx65n_sbram_fops =
{
.open = rx65n_sbram_open,
.close = rx65n_sbram_close,
.read = rx65n_sbram_read,
.write = rx65n_sbram_write,
.seek = rx65n_sbram_seek,
.ioctl = rx65n_sbram_ioctl,
.poll = rx65n_sbram_poll,
#ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
.unlink = rx65n_sbram_unlink,
#endif
};
static struct rx65n_sbram_s g_sbram[CONFIG_RX65N_SBRAM_FILES];
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: rx65n_sbram_rd
****************************************************************************/
#if defined(CONFIG_SBRAM_DEBUG)
static void rx65n_sbram_rd(void)
{
memcpy(&debug, (uint8_t *)RX65N_SBRAM_BASE, sizeof debug);
}
#endif
/****************************************************************************
* Name: rx65n_sbram_rd
****************************************************************************/
#if defined(CONFIG_SBRAM_DEBUG)
static void rx65n_sbram_dump(FAR struct sbramfh_s *bbf, char *op)
{
SBRAM_DEBUG_READ();
_info("%s:\n", op);
_info(" File Address:0x%8x\n", bbf);
_info(" crc:0x%8x\n", bbf->crc);
_info(" fileno:%d\n", (int) bbf->fileno);
_info(" dirty:%d\n", (int) bbf->dirty);
_info(" length:%d\n", (int) bbf->len);
_info(" time:%ld:%ld\n", bbf->lastwrite.tv_sec, bbf->lastwrite.tv_nsec);
_info(" data: 0x%2x 0x%2x 0x%2x 0x%2x 0x%2x\n",
bbf->data[0], bbf->data[1], bbf->data[2], bbf->data[3], bbf->data[4]);
}
#endif
/****************************************************************************
* Name: rx65n_sbram_semgive
****************************************************************************/
static void rx65n_sbram_semgive(FAR struct rx65n_sbram_s *priv)
{
nxsem_post(&priv->exclsem);
}
/****************************************************************************
* Name: rx65n_sbram_semtake
*
* Description:
* Take a semaphore handling any exceptional conditions
*
* Input Parameters:
* priv - A reference to the CAN peripheral state
*
* Returned Value:
* None
*
****************************************************************************/
static void rx65n_sbram_semtake(FAR struct rx65n_sbram_s *priv)
{
int ret;
/* Wait until we successfully get the semaphore. EINTR is the only
* expected 'failure' (meaning that the wait for the semaphore was
* interrupted by a signal.
*/
do
{
ret = nxsem_wait(&priv->exclsem);
DEBUGASSERT(ret == OK || ret == -EINTR);
}
while (ret == -EINTR);
}
/****************************************************************************
* Name: rx65n_sbram_crc
*
* Description:
* Calculates the CRC of the block
*
* Input Parameters:
* None
*
* Returned Value:
* None
*
****************************************************************************/
static uint32_t rx65n_sbram_crc(FAR struct sbramfh_s *pf)
{
return crc32((uint8_t *)pf + SBRAM_CRCED_OFFSET,
SBRAM_CRCED_SIZE(pf->len));
}
/****************************************************************************
* Name: rx65n_sbram_open
*
* Description: Open the device
*
****************************************************************************/
static int rx65n_sbram_open(FAR struct file *filep)
{
FAR struct inode *inode = fil
ep->f_inode;
FAR struct rx65n_sbram_s *bbr;
DEBUGASSERT(inode && inode->i_private);
bbr = (FAR struct rx65n_sbram_s *)inode->i_private;
/* Increment the reference count */
rx65n_sbram_semtake(bbr);
if (bbr->refs == MAX_OPENCNT)
{
return -EMFILE;
}
else
{
bbr->refs++;
}
rx65n_sbram_semgive(bbr);
return OK;
}
/****************************************************************************
* Name: rx65n_sbram_internal_close
*
* Description:
* Close SBRAM entry; Recalculate the time and crc
*
****************************************************************************/
static int rx65n_sbram_internal_close(FAR struct sbramfh_s *bbf)
{
bbf->dirty = 0;
(void)clock_gettime(CLOCK_REALTIME, &bbf->lastwrite);
bbf->crc = rx65n_sbram_crc(bbf);
SBRAM_DUMP(bbf, "close done");
return bbf->len;
}
/****************************************************************************
* Name: rx65n_sbram_close
*
* Description: close the device
*
****************************************************************************/
static int rx65n_sbram_close(FAR struct file *filep)
{
FAR struct inode *inode = filep->f_inode;
FAR struct rx65n_sbram_s *bbr;
int ret = OK;
DEBUGASSERT(inode && inode->i_private);
bbr = (FAR struct rx65n_sbram_s *)inode->i_private;
rx65n_sbram_semtake(bbr);
SBRAM_DUMP(bbr->bbf, "close");
if (bbr->refs == 0)
{
ret = -EIO;
}
else
{
bbr->refs--;
if (bbr->refs == 0)
{
if (bbr->bbf->dirty)
{
/* Recalculate the time and crc */
rx65n_sbram_internal_close(bbr->bbf);
}
}
}
rx65n_sbram_semgive(bbr);
return ret;
}
/****************************************************************************
* Name: rx65n_sbram_seek
****************************************************************************/
static off_t rx65n_sbram_seek(FAR struct file *filep, off_t offset,
int whence)
{
FAR struct inode *inode = filep->f_inode;
FAR struct rx65n_sbram_s *bbr;
off_t newpos;
int ret;
DEBUGASSERT(inode && inode->i_private);
bbr = (FAR struct rx65n_sbram_s *)inode->i_private;
rx65n_sbram_semtake(bbr);
/* Determine the new, requested file position */
switch (whence)
{
case SEEK_CUR:
newpos = filep->f_pos + offset;
break;
case SEEK_SET:
newpos = offset;
break;
case SEEK_END:
newpos = bbr->bbf->len + offset;
break;
default:
/* Return EINVAL if the whence argument is invalid */
rx65n_sbram_semgive(bbr);
return -EINVAL;
}
/* Opengroup.org:
*
* "The lseek() function shall allow the file offset to be set
* beyond the end of the existing data in the file. If data is
* later written at this point,
* subsequent reads of data in the gap shall return bytes with the value
* 0 until data is actually written into the gap."
*
* We can conform to the first part, but not the second.
* But return EINVAL if
*
* "...the resulting file offset would be negative for a regular
* file, block
* special file, or directory."
*/
if (newpos >= 0)
{
filep->f_pos = newpos;
ret = newpos;
}
else
{
ret = -EINVAL;
}
rx65n_sbram_semgive(bbr);
return ret;
}
/****************************************************************************
* Name: rx65n_sbram_read
****************************************************************************/
static ssize_t rx65n_sbram_read(FAR struct file *filep, FAR char *buffer,
size_t len)
{
FAR struct inode *inode = filep->f_inode;
FAR struct rx65n_sbram_s *bbr;
DEBUGASSERT(inode && inode->i_private);
bbr = (FAR struct rx65n_sbram_s *)inode->i_private;
rx65n_sbram_semtake(bbr);
/* Trim len if read would go beyond end of device */
if ((filep->f_pos + len) > bbr->bbf->len)
{
len = bbr->bbf->len - filep->f_pos;
}
memcpy(buffer, &bbr->bbf->data[filep->f_pos], len);
filep->f_pos += len;
rx65n_sbram_semgive(bbr);
return len;
}
/****************************************************************************
* Name: rx65n_sbram_internal_write
****************************************************************************/
static ssize_t rx65n_sbram_internal_write(FAR struct sbramfh_s *bbf,
FAR const char *buffer,
off_t offset, size_t len)
{
bbf->dirty = 1;
memcpy(&bbf->data[offset], buffer, len);
return len;
}
/****************************************************************************
* Name: rx65n_sbram_write
****************************************************************************/
static ssize_t rx65n_sbram_write(FAR struct file *filep,
FAR const char *buffer,
size_t len)
{
FAR struct inode *inode = filep->f_inode;
FAR struct rx65n_sbram_s *bbr;
int ret = -EFBIG;
DEBUGASSERT(inode && inode->i_private);
bbr = (FAR struct rx65n_sbram_s *)inode->i_private;
/* Forbid writes past the end of the device */
if (filep->f_pos < bbr->bbf->len)
{
/* Clamp len to avoid crossing the end of the memory */
if ((filep->f_pos + len) > bbr->bbf->len)
{
len = bbr->bbf->len - filep->f_pos;
}
ret = len; /* save number of bytes written */
rx65n_sbram_semtake(bbr);
SBRAM_DUMP(bbr->bbf, "write");
rx65n_sbram_internal_write(bbr->bbf, buffer, filep->f_pos, len);
filep->f_pos += len;
SBRAM_DUMP(bbr->bbf, "write done");
rx65n_sbram_semgive(bbr);
}
SBRAM_DEBUG_READ();
return ret;
}
/****************************************************************************
* Name: rx65n_sbram_poll
****************************************************************************/
static int rx65n_sbram_poll(FAR struct file *filep, FAR struct pollfd *fds,
bool setup)
{
if (setup)
{
fds->revents |= (fds->events & (POLLIN | POLLOUT));
if (fds->revents != 0)
{
nxsem_post(fds->sem);
}
}
return OK;
}
/****************************************************************************
* Name: rx65n_sbram_ioctl
*
* Description: Return device geometry
*
****************************************************************************/
static int rx65n_sbram_ioctl(FAR struct file *filep, int cmd,
unsigned long arg)
{
FAR struct inode *inode = filep->f_inode;
FAR struct rx65n_sbram_s *bbr;
int ret = -ENOTTY;
DEBUGASSERT(inode && inode->i_private);
bbr = (FAR struct rx65n_sbram_s *)inode->i_private;
if (cmd == RX65N_SBRAM_GETDESC_IOCTL)
{
FAR struct sbramd_s *bbrr = (FAR struct sbramd_s *)((uintptr_t)arg);
rx65n_sbram_semtake(bbr);
if (!bbrr)
{
ret = -EINVAL;
}
else
{
bbrr->fileno = bbr->bbf->fileno;
bbrr->lastwrite = bbr->bbf->lastwrite;
bbrr->len = bbr->bbf->len;
bbrr->flags = ((bbr->bbf->crc == rx65n_sbram_crc(bbr->bbf))
? SBRAM_CRC_VALID : 0);
bbrr->flags |= ((bbr->bbf->dirty) ? SBRAM_DIRTY : 0);
ret = OK;
}
rx65n_sbram_semgive(bbr);
}
return ret;
}
/****************************************************************************
* Name: rx65n_sbram_unlink
*
* Description:
* This function will remove the remove the file from the file system
* it will zero the contents and time stamp. It will leave the fileno
* and pointer to the SBRAM intact.
* It should be called called on the file used for the crash dump
* to remove it from visibility in the file system after it is created or
* read thus arming it.
*
****************************************************************************/
#ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
static int rx65n_sbram_unlink(FAR struct inode *inode)
{
FAR struct rx65n_sbram_s *bbr;
DEBUGASSERT(inode && inode->i_private);
bbr = (FAR struct rx65n_sbram_s *)inode->i_private;
rx65n_sbram_semtake(bbr);
memset(bbr->bbf->data, 0, bbr->bbf->len);
bbr->bbf->lastwrite.tv_nsec = 0;
bbr->bbf->lastwrite.tv_sec = 0;
bbr->bbf->crc = rx65n_sbram_crc(bbr->bbf);
bbr->refs = 0;
rx65n_sbram_semgive(bbr);
nxsem_destroy(&bbr->exclsem);
return 0;
}
#endif
/****************************************************************************
* Name: rx65n_sbram_probe
*
* Description: Based on the number of files defined and their sizes
* Initializes the base pointers to the file entries.
*
****************************************************************************/
static int rx65n_sbram_probe(int *ent, struct rx65n_sbram_s pdev[])
{
int i;
int avail = RX65N_SBRAM_SIZE;
int alloc;
int size;
int ret = -EFBIG;
struct sbramfh_s *pf = (struct sbramfh_s *) RX65N_SBRAM_BASE;
for (i = 0; (i < CONFIG_RX65N_SBRAM_FILES) && ent[i] && (avail > 0); i++)
{
/* Validate the actual allocations against what is in the SBRAM */
size = ent[i];
/* Use all that is left */
if (size == -1)
{
size = avail - (SBRAM_HEADER_SIZE + SBRAM_ALIGNMENT_MASK);
}
/* Add in header size and keep aligned */
alloc = size + SBRAM_HEADER_SIZE + SBRAM_ALIGNMENT_MASK;
alloc &= ~(SBRAM_ALIGNMENT_MASK);
/* Does it fit? */
if (alloc <= avail)
{
ret = i + 1;
SBRAM_DUMP(pf, "probe");
if (pf->len != size ||
pf->fileno != i ||
pf->crc != rx65n_sbram_crc(pf))
{
/* Not Valid so wipe the file in SBRAM */
memset((uint8_t *)pf, 0, alloc);
pf->fileno = i;
pf->len = size;
pf->crc = rx65n_sbram_crc(pf);
SBRAM_DUMP(pf, "probe reset");
}
pdev[i].bbf = pf;
pf = (struct sbramfh_s *)((uint8_t *)pf + alloc);
nxsem_init(&g_sbram[i].exclsem, 0, 1);
}
avail -= alloc;
}
SBRAM_DEBUG_READ();
return ret;
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Function: rx65n_sbraminitialize
*
* Description:
* Initialize the Battery Backed up SRAM driver.
*
* Input Parameters:
* devpath - the path to instantiate the files.
* sizes - Pointer to a any array of file sizes to create
* the last entry should be 0
* A size of -1 will use all the remaining spaces
*
* If the length of sizes is greater then CONFIG_RX65N_SBRAM_FILES
* CONFIG_RX65N_SBRAM_FILES will be returned.
*
* Returned Value:
* Number of files created on success; Negated errno on failure.
*
* Assumptions:
*
****************************************************************************/
int rx65n_sbraminitialize(char *devpath, int *sizes)
{
int i;
int fcnt;
char path[32];
char devname[32];
int ret = OK;
if (devpath == NULL)
{
return -EINVAL;
}
i = strlen(devpath);
if (i == 0 || i > sizeof(path) + 3)
{
return -EINVAL;
}
memset(g_sbram, 0, sizeof(g_sbram));
/* Clocking for the PWR block must be provided. However, this is done
* unconditionally in rx65nf40xxx_rcc.c on power up. This done
* unconditionally because the PWR block is also needed to set the
* internal voltage regulator for maximum performance.
*/
/* Enable backup SRAM clock is done in rcc_enableahb1() when
* CONFIG_RX65N_SBRAM is defined.
*/
/* Allow Access */
fcnt = rx65n_sbram_probe(sizes, g_sbram);
strncpy(path, devpath, sizeof(path));
strcat(path, "%d");
for (i = 0; i < fcnt && ret >= OK; i++)
{
snprintf(devname, sizeof(devname), path, i);
ret = register_driver(devname, &rx65n_sbram_fops, 0666, &g_sbram[i]);
}
/* Disallow Access */
return ret < OK ? ret : fcnt;
}
/****************************************************************************
* Function: rx65n_sbram_savepanic
*
* Description:
* Saves the panic context in a previously allocated SBRAM file
*
* Input Parameters:
* fileno - the value returned by the ioctl RX65N_SBRAM_GETDESC_IOCTL
* context - Pointer to a any array of bytes to save
* length - The length of the data pointed to byt context
*
* Returned Value:
* Length saved or negated errno.
*
* Assumptions:
*
****************************************************************************/
#if defined(CONFIG_RX65N_SAVE_CRASHDUMP)
int rx65n_sbram_savepanic(int fileno, uint8_t *context, int length)
{
FAR struct sbramfh_s *bbf;
int fill;
int ret = -ENOSPC;
/* On a bad day we could panic while panicking, (and we debug assert)
* this is a potential feeble attempt at only writing the first
* panic's context to the file
*/
static bool once = false;
if (!once)
{
once = true;
DEBUGASSERT(fileno > 0 && fileno < CONFIG_RX65N_SBRAM_FILES);
bbf = g_sbram[fileno].bbf;
DEBUGASSERT(bbf);
/* If the g_sbram has been nulled out we return ENXIO.
*
* As once ensures we will keep the first dump. Checking the time for
* 0 protects from over writing a previous crash dump that has not
* been saved to long term storage and erased. The dreaded reboot
* loop.
*/
if (!bbf)
{
ret = -ENXIO;
}
else if ((bbf->lastwrite.tv_sec == 0 && bbf->lastwrite.tv_nsec == 0))
{
/* Clamp length if too big */
if (length > bbf->len)
{
length = bbf->len;
}
rx65n_sbram_internal_write(bbf, (char *) context, 0, length);
/* Fill with 0 if data is less then file size */
fill = (int) bbf->len - length;
if (fill > 0)
{
memset(&bbf->data[length], 0, fill);
}
/* Seal the file */
rx65n_sbram_internal_close(bbf);
ret = length;
}
}
return ret;
}
#endif
#endif /* CONFIG_SBRAM_DRIVER */

145
arch/renesas/src/rx65n/rx65n_sbram.h Normal file
View File

@ -0,0 +1,145 @@
/****************************************************************************
* arch/renesas/src/rx65n/rx65n_sbram.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __ARCH_RENESAS_SRC_RX65N_RX65N_SBSRAM_H
#define __ARCH_RENESAS_SRC_RX65N_RX65N_SBSRAM_H
/****************************************************************************
* The purpose of this driver is to add battery backup file to the file
* system. There can be CONFIG_RX65N_BBRSRAM_COUNT files defined.
* These files are of fixed size up to the maximum of the backing 4K SRAM.
*
* If CONFIG_SAVE_CRASHDUMP is defined The driver also supports a feature
* to save the context of a PANIC in one of these files.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/fs/ioctl.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
# define RX65N_SBRAM_SIZE 8192
#if !defined(CONFIG_RX65N_SBRAM_FILES)
# define CONFIG_RX65N_SBRAM_FILES 4
#endif
/* REVISIT: What guarantees that RX65N_SBRAM_GETDESC_IOCTL has a unique
* value among all over _DIOC() values?
*/
#define RX65N_SBRAM_GETDESC_IOCTL _DIOC(0x0010) /* Returns a sbramd_s */
/****************************************************************************
* Public Types
****************************************************************************/
#ifndef __ASSEMBLY__
enum sbramdf_e
{
SBRAM_CRC_VALID = 1, /* The crc is valid */
SBRAM_DIRTY = 2, /* The file was closed */
};
struct sbramd_s
{
uint8_t flags; /* The crc is valid and the file was closed */
uint8_t fileno; /* The minor number */
uint16_t len; /* Total Bytes in this file */
struct timespec lastwrite; /* Last write time */
};
/****************************************************************************
* Public Data
****************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
# define EXTERN extern "C"
extern "C"
{
#else
# define EXTERN extern
#endif
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/****************************************************************************
* Function: rx65n_sbraminitialize
*
* Description:
* Initialize the Battery Backed up SRAM driver.
*
* Input Parameters:
* devpath - the path to instantiate the files.
* sizes - Pointer to a any array of file sizes to create
* the last entry should be 0
* A size of -1 will use all the remaining spaces
*
* If the length of sizes is greater then CONFIG_RX65N_SBRAM_FILES
* CONFIG_RX65N_SBRAM_FILES will be returned.
*
* Returned Value:
* Number of files created on success; Negated errno on failure.
*
* Assumptions:
*
****************************************************************************/
int rx65n_sbraminitialize(char *devpath, int *sizes);
/****************************************************************************
* Function: rx65n_sbram_savepanic
*
* Description:
* Saves the panic context in a previously allocated SBRAM file
*
* Parameters:
* fileno - the value returned by the ioctl RX65N_SBRAM_GETDESC_IOCTL
* context - Pointer to a any array of bytes to save
* length - The length of the data pointed to byt context
*
* Returned Value:
* Length saved or negated errno.
*
* Assumptions:
*
*****************************************************************************/
#if defined(CONFIG_RX65N_SAVE_CRASHDUMP)
int rx65n_sbram_savepanic(int fileno, uint8_t *context, int length);
#endif
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* __ASSEMBLY__ */
#endif /* __ARCH_ARM_SRC_RX65N_RX65N_SBRAM_H */

2
boards/renesas/rx65n/rx65n-grrose/src/Makefile
View File

@ -26,7 +26,7 @@ CFLAGS += -I=$(ARCH_SRCDIR)/chip
ASRCS =
AOBJS = $(ASRCS:.asm=$(OBJEXT))
CSRCS = rx65n_appinit.c rx65n_bringup.c
CSRCS = rx65n_appinit.c rx65n_bringup.c rx65n_sbram.c
COBJS = $(CSRCS:.c=$(OBJEXT))
SRCS = $(ASRCS) $(CSRCS)

3
boards/renesas/rx65n/rx65n-grrose/src/rx65n_appinit.c
View File

@ -1,5 +1,5 @@
/****************************************************************************
* boards/renesas/rx65n/rx65n-grrose/src/rx65n_appinit.c
* boards/renesas/rx65n/rx65n-grrose/src/rx65n.appinit.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
@ -28,6 +28,7 @@
#include <stdint.h>
#include <nuttx/board.h>
#include "rx65n_grrose.h"
#ifdef CONFIG_LIB_BOARDCTL

9
boards/renesas/rx65n/rx65n-grrose/src/rx65n_bringup.c
View File

@ -1,5 +1,5 @@
/****************************************************************************
* boards/renesas/rx65n/rx65n-grrose/src/rx65n_bringup.c
* boards/renesas/rx65n/rx65n-grrose/src/rx65n.bringup.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
@ -34,6 +34,7 @@
#include <nuttx/board.h>
#include "rx65n_grrose.h"
#include <rx65n_definitions.h>
#ifdef CONFIG_LIB_BOARDCTL
@ -122,6 +123,12 @@ int rx65n_bringup(void)
ret, errno);
}
#endif
#ifdef CONFIG_RX65N_SBRAM
/* Initialize battery-backed RAM */
(void)rx65n_sbram_int();
#endif
return OK;
}

75
boards/renesas/rx65n/rx65n-grrose/src/rx65n_grrose.h Normal file
View File

@ -0,0 +1,75 @@
/****************************************************************************
* boards/renesas/rx65n/rx65n-grrose/src/rx65n_grrose.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __BOARDS_RENESAS_RX65N_GRROSE_SRC_RX65N_GRROSE_H
#define __BOARDS_RENESAS_RX65N_GRROSE_SRC_RX65N_GRROSE_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/compiler.h>
#include <stdint.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Public Types
****************************************************************************/
/****************************************************************************
* Public data
****************************************************************************/
#ifndef __ASSEMBLY__
/****************************************************************************
* Name: rx65n_bringup
*
* Description:
* Perform architecture-specific initialization
*
* CONFIG_BOARD_LATE_INITIALIZE=y :
* Called from board_late_initialize().
*
* CONFIG_BOARD_LATE_INITIALIZE=n && CONFIG_LIB_BOARDCTL=y :
* Called from the NSH library
*
****************************************************************************/
int rx65n_bringup(void);
/****************************************************************************
* Name: rx65n_sbsram_int
*
* Description:
* Initialize SBRAM Driver
*
*
****************************************************************************/
#ifdef CONFIG_RX65N_SBRAM
int rx65n_sbram_int(void);
#endif
#endif /* __ASSEMBLY__ */
#endif /* __BOARDS_RENESAS_RX65N_GRROSE_SRC_RX65N_GRROSE_H */

490
boards/renesas/rx65n/rx65n-grrose/src/rx65n_sbram.c Normal file
View File

@ -0,0 +1,490 @@
/****************************************************************************
* boards/renesas/rx65n/rx65n-grrose/src/rx65n_sbram.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/ioctl.h>
#include <stdint.h>
#include <stddef.h>
#include <stdlib.h>
#include <fcntl.h>
#include <string.h>
#include <errno.h>
#include <debug.h>
#include <syslog.h>
#include <nuttx/fs/fs.h>
#include <nuttx/sched.h>
#include "up_internal.h"
#include "rx65n_sbram.h"
#include "rx65n_grrose.h"
#ifdef CONFIG_RX65N_SBRAM
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Configuration ************************************************************/
#define FREEZE_STR(s) #s
#define STRINGIFY(s) FREEZE_STR(s)
#define HARDFAULT_FILENO 3
#define HARDFAULT_PATH SBRAM_PATH""STRINGIFY(HARDFAULT_FILENO)
#define HARDFAULT_REBOOT_ FILENO 0
#define HARDFAULT_REBOOT_PATH SBRAM_PATH""STRINGIFY(HARDFAULT_REBOOT_FILENO)
#define SBRAM_SIZE_FN0 (sizeof(int))
#define SBRAM_SIZE_FN1 384
#define SBRAM_SIZE_FN2 384
#define SBRAM_SIZE_FN3 - 1
/* The following guides in the amount of the user and interrupt stack
* data we can save. The amount of storage left will dictate the actual
* number of entries of the user stack data saved. If it is too big
* It will be truncated by the call to rx65n_sbram_savepanic
*/
#define SBRAM_HEADER_SIZE 20 /* This is an assumption */
#define SBRAM_USED ((4*SBRAM_HEADER_SIZE)+ \
(SBRAM_SIZE_FN0+SBRAM_SIZE_FN1+ \
SBRAM_SIZE_FN2))
#define SBRAM_REAMINING (RX65N_SBRAM_SIZE-SBRAM_USED)
#if CONFIG_ARCH_INTERRUPTSTACK <= 3
# define SBRAM_NUMBER_STACKS 1
#else
# define SBRAM_NUMBER_STACKS 2
#endif
#define SBRAM_FIXED_ELEMENTS_SIZE (sizeof(info_t))
#define SBRAM_LEFTOVER (SBRAM_REAMINING-\
SBRAM_FIXED_ELEMENTS_SIZE)
#define CONFIG_ISTACK_SIZE (SBRAM_LEFTOVER/SBRAM_NUMBER_STACKS/ \
sizeof(stack_word_t))
#define CONFIG_USTACK_SIZE (SBRAM_LEFTOVER/SBRAM_NUMBER_STACKS/ \
sizeof(stack_word_t))
/* The path to the Battery Backed up SRAM */
#define SBRAM_PATH "/fs/sbr"
/* The sizes of the files to create (-1) use rest of SBRAM memory */
#define SBRAM_FILE_SIZES \
{ \
SBRAM_SIZE_FN0, \
SBRAM_SIZE_FN1, \
SBRAM_SIZE_FN2, \
SBRAM_SIZE_FN3, \
0 \
}
#define ARRAYSIZE(a) (sizeof((a))/sizeof(a[0]))
/* For Assert keep this much of the file name */
#define MAX_FILE_PATH_LENGTH 40
#define HEADER_TIME_FMT "%Y-%m-%d-%H:%M:%S"
#define HEADER_TIME_FMT_NUM (2+ 0+ 0+ 0+ 0+ 0)
#define HEADER_TIME_FMT_LEN (((ARRAYSIZE(HEADER_TIME_FMT)-1) + \
HEADER_TIME_FMT_NUM))
/****************************************************************************
* Private Data
****************************************************************************/
/* Used for stack frame storage */
typedef uint32_t stack_word_t;
/* Stack related data */
typedef struct
{
uint32_t sp;
uint32_t top;
uint32_t size;
} _stack_t;
typedef struct
{
_stack_t user;
#if CONFIG_ARCH_INTERRUPTSTACK > 3
_stack_t interrupt;
#endif
} stack_t;
/* Not Used for reference only */
typedef struct
{
uint32_t sp;
uint32_t acc0lo;
uint32_t acc0hi;
uint32_t acc0gu;
uint32_t acc1lo;
uint32_t acc1hi;
uint32_t acc1gu;
uint32_t fpsw;
uint32_t r1;
uint32_t r2;
uint32_t r3;
uint32_t r4;
uint32_t r5;
uint32_t r6;
uint32_t r7;
uint32_t r8;
uint32_t r9;
uint32_t r10;
uint32_t r11;
uint32_t r12;
uint32_t r13;
uint32_t r14;
uint32_t r15;
uint32_t pc;
uint32_t psw;
} proc_regs_t;
/* Flags to identify what is in the dump */
typedef enum
{
REGS_PRESENT = 0x01,
USERSTACK_PRESENT = 0x02,
INTSTACK_PRESENT = 0x04,
INVALID_USERSTACK_PTR = 0x20,
INVALID_INTSTACK_PTR = 0x40,
} fault_flags_t;
typedef struct
{
fault_flags_t flags; /* What is in the dump */
uintptr_t current_regs; /* Used to validate the dump */
int lineno; /* __LINE__ to up_assert */
int pid; /* Process ID */
uint32_t regs[XCPTCONTEXT_REGS]; /* Interrupt register save area */
stack_t stacks; /* Stack info */
#if CONFIG_TASK_NAME_SIZE > 0
char name[CONFIG_TASK_NAME_SIZE + 1]; /* Task name (with NULL
* terminator) */
#endif
char filename[MAX_FILE_PATH_LENGTH]; /* the Last of chars in
* __FILE__ to up_assert */
} info_t;
struct fullcontext
{
info_t info; /* The info */
/* The amount of stack data is compile time
* sized backed on what is left after the
* other standby ram files are defined
* the order is such that only the
* ustack should be truncated
*/
#if CONFIG_ARCH_INTERRUPTSTACK > 3
stack_word_t istack[CONFIG_USTACK_SIZE];
#endif
stack_word_t ustack[CONFIG_ISTACK_SIZE];
};
/****************************************************************************
* Private Data
****************************************************************************/
static uint8_t g_sdata[RX65N_SBRAM_SIZE];
extern int istack;
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: hardfault_get_desc
****************************************************************************/
static int hardfault_get_desc(struct sbramd_s *desc)
{
FAR struct file filestruct;
int ret;
ret = file_open(&filestruct, HARDFAULT_PATH, O_RDONLY);
if (ret < 0)
{
syslog(LOG_INFO, "rx65n sbram: Failed to open Fault Log file [%s] "
"(%d)\n", HARDFAULT_PATH, ret);
}
else
{
ret = file_ioctl(&filestruct, RX65N_SBRAM_GETDESC_IOCTL,
(unsigned long)((uintptr_t)desc));
(void)file_close(&filestruct);
if (ret < 0)
{
syslog(LOG_INFO, "rx65n sbram: Failed to get Fault Log descriptor "
"(%d)\n", ret);
}
}
return ret;
}
/****************************************************************************
* Name: copy_reverse
****************************************************************************/
#if defined(CONFIG_RX65N_SAVE_CRASHDUMP)
static void copy_reverse(stack_word_t *dest, stack_word_t *src, int size)
{
while (size--)
{
*dest++ = *src--;
}
}
#endif /* CONFIG_RX65N_SAVE_CRASHDUMP */
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: rx65n_sbram_int
****************************************************************************/
int rx65n_sbram_int(void)
{
int filesizes[CONFIG_RX65N_SBRAM_FILES + 1] = SBRAM_FILE_SIZES;
char buf[HEADER_TIME_FMT_LEN + 1];
struct sbramd_s desc;
int rv;
int state;
struct tm tt;
time_t time_sec;
/* Using Standby RAM */
rx65n_sbraminitialize(SBRAM_PATH, filesizes);
#if defined(CONFIG_RX65N_SAVE_CRASHDUMP)
/* Panic Logging in Battery Backed Up Files */
/* Do we have an hard fault in SBRAM? */
rv = hardfault_get_desc(&desc);
if (rv >= OK)
{
syslog(LOG_EMERG, "There is a hard fault logged.\n");
state = (desc.lastwrite.tv_sec || desc.lastwrite.tv_nsec) ? OK : 1;
syslog(LOG_INFO, "Fault Log info File No %d Length %d flags:0x%02x "
"state:%d\n", (unsigned int)desc.fileno, (unsigned int) desc.len,
(unsigned int)desc.flags, state);
if (state == OK)
{
time_sec = desc.lastwrite.tv_sec + (desc.lastwrite.tv_nsec / 1e9);
gmtime_r(&time_sec, &tt);
strftime(buf, HEADER_TIME_FMT_LEN , HEADER_TIME_FMT , &tt);
syslog(LOG_INFO, "Fault Logged on %s - Valid\n", buf);
}
rv = unlink(HARDFAULT_PATH);
if (rv < 0)
{
syslog(LOG_INFO, "rx65n sbram: Failed to unlink Fault Log file [%s"
"] (%d)\n", HARDFAULT_PATH, rv);
}
}
#endif /* CONFIG_RX65N_SAVE_CRASHDUMP */
return rv;
}
/****************************************************************************
* Name: board_crashdump
****************************************************************************/
#if defined(CONFIG_RX65N_SAVE_CRASHDUMP)
void board_crashdump(uintptr_t currentsp, FAR void *tcb,
FAR const uint8_t *filename, int lineno)
{
struct fullcontext *pdump ;
pdump = (struct fullcontext *)&g_sdata;
FAR struct tcb_s *rtcb;
int rv;
(void)enter_critical_section();
rtcb = (FAR struct tcb_s *)tcb;
/* Zero out everything */
memset((uint8_t *)pdump, 0, sizeof(struct fullcontext));
/* Save Info */
pdump->info.lineno = lineno;
if (filename)
{
int offset = 0;
unsigned int len = strlen((char *)filename) + 1;
if (len > sizeof(pdump->info.filename))
{
offset = len - sizeof(pdump->info.filename);
}
strncpy((char *)pdump->info.filename, (char *)&filename[offset],
sizeof(pdump->info.filename));
}
/* Save the value of the pointer for current_regs as debugging info.
* It should be NULL in case of an ASSERT and will aid in cross
* checking the validity of system memory at the time of the
* fault.
*/
pdump->info.current_regs = (uintptr_t) g_current_regs;
/* Save Context */
#if CONFIG_TASK_NAME_SIZE > 0
strncpy(pdump->info.name, rtcb->name, CONFIG_TASK_NAME_SIZE);
#endif
pdump->info.pid = rtcb->pid;
/* If current_regs is not NULL then we are in an interrupt context
* and the user context is in current_regs else we are running in
* the users context
*/
if (g_current_regs)
{
pdump->info.stacks.interrupt.sp = currentsp;
pdump->info.flags |= (REGS_PRESENT | USERSTACK_PRESENT | \
INTSTACK_PRESENT);
memcpy((uint8_t *)pdump->info.regs, (void *)g_current_regs,
sizeof(pdump->info.regs));
pdump->info.stacks.user.sp = pdump->info.regs[REG_SP];
}
else
{
/* users context */
pdump->info.flags |= USERSTACK_PRESENT;
pdump->info.stacks.user.sp = currentsp;
}
if (pdump->info.pid == 0)
{
pdump->info.stacks.user.top = g_idle_topstack - 4;
pdump->info.stacks.user.size = CONFIG_IDLETHREAD_STACKSIZE;
}
else
{
pdump->info.stacks.user.top = (uint32_t) rtcb->adj_stack_ptr;
pdump->info.stacks.user.size = (uint32_t) rtcb->adj_stack_size;
}
#if CONFIG_ARCH_INTERRUPTSTACK > 3
/* Get the limits on the interrupt stack memory */
pdump->info.stacks.interrupt.top = (uint32_t)&istack;
pdump->info.stacks.interrupt.size = (CONFIG_ARCH_INTERRUPTSTACK);
/* If In interrupt Context save the interrupt stack data centered
* about the interrupt stack pointer
*/
if ((pdump->info.flags & INTSTACK_PRESENT) != 0)
{
stack_word_t *ps = (stack_word_t *) pdump->info.stacks.interrupt.sp;
copy_reverse((stack_word_t *)pdump->istack,
&ps[ARRAYSIZE(pdump->istack) / 2],
ARRAYSIZE(pdump->istack));
}
/* Is it Invalid? */
if (!(pdump->info.stacks.interrupt.sp <= pdump->info.stacks.interrupt.top
&& pdump->info.stacks.interrupt.sp >
pdump->info.stacks.interrupt.top -
pdump->info.stacks.interrupt.size))
{
pdump->info.flags |= INVALID_INTSTACK_PTR;
}
#endif
/* If In interrupt context or User save the user stack data centered
* about the user stack pointer
*/
if ((pdump->info.flags & USERSTACK_PRESENT) != 0)
{
stack_word_t *ps = (stack_word_t *) pdump->info.stacks.user.sp;
copy_reverse((stack_word_t *)pdump->ustack,
&ps[ARRAYSIZE(pdump->ustack) / 2],
ARRAYSIZE(pdump->ustack));
}
/* Is it Invalid? */
if (!(pdump->info.stacks.user.sp <= pdump->info.stacks.user.top &&
pdump->info.stacks.user.sp > pdump->info.stacks.user.top -
pdump->info.stacks.user.size))
{
pdump->info.flags |= INVALID_USERSTACK_PTR;
}
rv = rx65n_sbram_savepanic(HARDFAULT_FILENO, (uint8_t *)pdump,
sizeof(struct fullcontext));
/* Test if memory got wiped because of using _sdata */
if (rv == -ENXIO)
{
char *dead = "Memory wiped - dump not saved!";
while (*dead)
{
up_lowputc(*dead++);
}
}
else if (rv == -ENOSPC)
{
/* hard fault again */
up_lowputc('!');
}
}
#endif /* CONFIG_RX65N_SAVE_CRASHDUMP */
#endif /* CONFIG_RX65N_SBRAM */

2
boards/renesas/rx65n/rx65n-rsk2mb/src/Makefile
View File

@ -26,7 +26,7 @@ CFLAGS += -I=$(ARCH_SRCDIR)/chip
ASRCS =
AOBJS = $(ASRCS:.asm=$(OBJEXT))
CSRCS = rx65n_appinit.c rx65n_bringup.c
CSRCS = rx65n_appinit.c rx65n_bringup.c rx65n_sbram.c
COBJS = $(CSRCS:.c=$(OBJEXT))
SRCS = $(ASRCS) $(CSRCS)

7
boards/renesas/rx65n/rx65n-rsk2mb/src/rx65n_bringup.c
View File

@ -34,6 +34,7 @@
#include <nuttx/board.h>
#include "rx65n_rsk2mb.h"
#include <rx65n_definitions.h>
#ifdef CONFIG_LIB_BOARDCTL
@ -122,6 +123,12 @@ int rx65n_bringup(void)
ret, errno);
}
#endif
#ifdef CONFIG_RX65N_SBRAM
/* Initialize standby RAM */
(void)rx65n_sbram_int();
#endif
return OK;
}

75
boards/renesas/rx65n/rx65n-rsk2mb/src/rx65n_rsk2mb.h Normal file
View File

@ -0,0 +1,75 @@
/****************************************************************************
* boards/renesas/rx65n/rx65n-rsk2mb/src/rx65n_rsk2mb.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __BOARDS_RENESAS_RX65N_GRROSE_SRC_RX65N_GRROSE_H
#define __BOARDS_RENESAS_RX65N_GRROSE_SRC_RX65N_GRROSE_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/compiler.h>
#include <stdint.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Public Types
****************************************************************************/
/****************************************************************************
* Public data
****************************************************************************/
#ifndef __ASSEMBLY__
/****************************************************************************
* Name: rx65n_bringup
*
* Description:
* Perform architecture-specific initialization
*
* CONFIG_BOARD_LATE_INITIALIZE=y :
* Called from board_late_initialize().
*
* CONFIG_BOARD_LATE_INITIALIZE=n && CONFIG_LIB_BOARDCTL=y :
* Called from the NSH library
*
****************************************************************************/
int rx65n_bringup(void);
/****************************************************************************
* Name: rx65n_sbsram_int
*
* Description:
* Initialize SBRAM Driver
*
*
****************************************************************************/
#ifdef CONFIG_RX65N_SBRAM
int rx65n_sbram_int(void);
#endif
#endif /* __ASSEMBLY__ */
#endif /* __BOARDS_RENESAS_RX65N_GRROSE_SRC_RX65N_GRROSE_H */

487
boards/renesas/rx65n/rx65n-rsk2mb/src/rx65n_sbram.c Normal file
View File

@ -0,0 +1,487 @@
/****************************************************************************
* boards/renesas/rx65n/rx65n-rsk2mb/src/rx65n_sbram.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/ioctl.h>
#include <stdint.h>
#include <stddef.h>
#include <stdlib.h>
#include <fcntl.h>
#include <string.h>
#include <errno.h>
#include <debug.h>
#include <syslog.h>
#include <nuttx/fs/fs.h>
#include <nuttx/sched.h>
#include "up_internal.h"
#include "rx65n_sbram.h"
#include "rx65n_rsk2mb.h"
#ifdef CONFIG_RX65N_SBRAM
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Configuration ************************************************************/
#define FREEZE_STR(s) #s
#define STRINGIFY(s) FREEZE_STR(s)
#define HARDFAULT_FILENO 3
#define HARDFAULT_PATH SBRAM_PATH""STRINGIFY(HARDFAULT_FILENO)
#define HARDFAULT_REBOOT_ FILENO 0
#define HARDFAULT_REBOOT_PATH SBRAM_PATH""STRINGIFY(HARDFAULT_REBOOT_FILENO)
#define SBRAM_SIZE_FN0 (sizeof(int))
#define SBRAM_SIZE_FN1 384
#define SBRAM_SIZE_FN2 384
#define SBRAM_SIZE_FN3 - 1
/* The following guides in the amount of the user and interrupt stack
* data we can save. The amount of storage left will dictate the actual
* number of entries of the user stack data saved. If it is too big
* It will be truncated by the call to rx65n_sbram_savepanic
*/
#define SBRAM_HEADER_SIZE 20 /* This is an assumption */
#define SBRAM_USED ((4*SBRAM_HEADER_SIZE)+ \
(SBRAM_SIZE_FN0+SBRAM_SIZE_FN1+ \
SBRAM_SIZE_FN2))
#define SBRAM_REAMINING (RX65N_SBRAM_SIZE-SBRAM_USED)
#if CONFIG_ARCH_INTERRUPTSTACK <= 3
# define SBRAM_NUMBER_STACKS 1
#else
# define SBRAM_NUMBER_STACKS 2
#endif
#define SBRAM_FIXED_ELEMENTS_SIZE (sizeof(info_t))
#define SBRAM_LEFTOVER (SBRAM_REAMINING-\
SBRAM_FIXED_ELEMENTS_SIZE)
#define CONFIG_ISTACK_SIZE (SBRAM_LEFTOVER/SBRAM_NUMBER_STACKS/ \
sizeof(stack_word_t))
#define CONFIG_USTACK_SIZE (SBRAM_LEFTOVER/SBRAM_NUMBER_STACKS/ \
sizeof(stack_word_t))
/* The path to the Standby RAM */
#define SBRAM_PATH "/fs/sbr"
/* The sizes of the files to create (-1) use rest of SBRAM memory */
#define SBRAM_FILE_SIZES \
{ \
SBRAM_SIZE_FN0, \
SBRAM_SIZE_FN1, \
SBRAM_SIZE_FN2, \
SBRAM_SIZE_FN3, \
0 \
}
#define ARRAYSIZE(a) (sizeof((a))/sizeof(a[0]))
/* For Assert keep this much of the file name */
#define MAX_FILE_PATH_LENGTH 40
#define HEADER_TIME_FMT "%Y-%m-%d-%H:%M:%S"
#define HEADER_TIME_FMT_NUM (2+ 0+ 0+ 0+ 0+ 0)
#define HEADER_TIME_FMT_LEN (((ARRAYSIZE(HEADER_TIME_FMT)-1) + \
HEADER_TIME_FMT_NUM))
/****************************************************************************
* Private Data
****************************************************************************/
/* Used for stack frame storage */
typedef uint32_t stack_word_t;
/* Stack related data */
typedef struct
{
uint32_t sp;
uint32_t top;
uint32_t size;
} _stack_t;
typedef struct
{
_stack_t user;
#if CONFIG_ARCH_INTERRUPTSTACK > 3
_stack_t interrupt;
#endif
} stack_t;
/* Not Used for reference only */
typedef struct
{
uint32_t sp;
uint32_t acc0lo;
uint32_t acc0hi;
uint32_t acc0gu;
uint32_t acc1lo;
uint32_t acc1hi;
uint32_t acc1gu;
uint32_t fpsw;
uint32_t r1;
uint32_t r2;
uint32_t r3;
uint32_t r4;
uint32_t r5;
uint32_t r6;
uint32_t r7;
uint32_t r8;
uint32_t r9;
uint32_t r10;
uint32_t r11;
uint32_t r12;
uint32_t r13;
uint32_t r14;
uint32_t r15;
uint32_t pc;
uint32_t psw;
} proc_regs_t;
/* Flags to identify what is in the dump */
typedef enum
{
REGS_PRESENT = 0x01,
USERSTACK_PRESENT = 0x02,
INTSTACK_PRESENT = 0x04,
INVALID_USERSTACK_PTR = 0x20,
INVALID_INTSTACK_PTR = 0x40,
} fault_flags_t;
typedef struct
{
fault_flags_t flags; /* What is in the dump */
uintptr_t current_regs; /* Used to validate the dump */
int lineno; /* __LINE__ to up_assert */
int pid; /* Process ID */
uint32_t regs[XCPTCONTEXT_REGS]; /* Interrupt register save area */
stack_t stacks; /* Stack info */
#if CONFIG_TASK_NAME_SIZE > 0
char name[CONFIG_TASK_NAME_SIZE + 1]; /* Task name (with NULL
* terminator) */
#endif
char filename[MAX_FILE_PATH_LENGTH]; /* the Last of chars in
* __FILE__ to up_assert */
} info_t;
struct fullcontext
{
info_t info; /* The info */
/* The amount of stack data is compile time sized backed on what is left
* after the other standby ram files are defined the order is such that
* only the ustack should be truncated
*/
#if CONFIG_ARCH_INTERRUPTSTACK > 3
stack_word_t istack[CONFIG_USTACK_SIZE];
#endif
stack_word_t ustack[CONFIG_ISTACK_SIZE];
};
/****************************************************************************
* Private Data
****************************************************************************/
static uint8_t g_sdata[RX65N_SBRAM_SIZE];
extern int istack;
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: hardfault_get_desc
****************************************************************************/
static int hardfault_get_desc(struct sbramd_s *desc)
{
FAR struct file filestruct;
int ret;
ret = file_open(&filestruct, HARDFAULT_PATH, O_RDONLY);
if (ret < 0)
{
syslog(LOG_INFO, "rx65n sbram: Failed to open Fault Log file [%s] "
"(%d)\n", HARDFAULT_PATH, ret);
}
else
{
ret = file_ioctl(&filestruct, RX65N_SBRAM_GETDESC_IOCTL,
(unsigned long)((uintptr_t)desc));
(void)file_close(&filestruct);
if (ret < 0)
{
syslog(LOG_INFO, "rx65n sbram: Failed to get Fault Log descriptor "
"(%d)\n", ret);
}
}
return ret;
}
/****************************************************************************
* Name: copy_reverse
****************************************************************************/
#if defined(CONFIG_RX65N_SAVE_CRASHDUMP)
static void copy_reverse(stack_word_t *dest, stack_word_t *src, int size)
{
while (size--)
{
*dest++ = *src--;
}
}
#endif /* CONFIG_RX65N_SAVE_CRASHDUMP */
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: rx65n_sbram_int
****************************************************************************/
int rx65n_sbram_int(void)
{
int filesizes[CONFIG_RX65N_SBRAM_FILES + 1] = SBRAM_FILE_SIZES;
char buf[HEADER_TIME_FMT_LEN + 1];
struct sbramd_s desc;
int rv;
int state;
struct tm tt;
time_t time_sec;
/* Using Standby RAM */
rx65n_sbraminitialize(SBRAM_PATH, filesizes);
#if defined(CONFIG_RX65N_SAVE_CRASHDUMP)
/* Panic Logging in Standby RAM Files */
/* Do we have an hard fault in SBRAM? */
rv = hardfault_get_desc(&desc);
if (rv >= OK)
{
syslog(LOG_EMERG, "There is a hard fault logged.\n");
state = (desc.lastwrite.tv_sec || desc.lastwrite.tv_nsec) ? OK : 1;
syslog(LOG_INFO, "Fault Log info File No %d Length %d flags:0x%02x "
"state:%d\n", (unsigned int)desc.fileno, (unsigned int) desc.len,
(unsigned int)desc.flags, state);
if (state == OK)
{
time_sec = desc.lastwrite.tv_sec + (desc.lastwrite.tv_nsec / 1e9);
gmtime_r(&time_sec, &tt);
strftime(buf, HEADER_TIME_FMT_LEN , HEADER_TIME_FMT , &tt);
syslog(LOG_INFO, "Fault Logged on %s - Valid\n", buf);
}
rv = unlink(HARDFAULT_PATH);
if (rv < 0)
{
syslog(LOG_INFO, "rx65n sbram: Failed to unlink Fault Log file [%s"
"] (%d)\n", HARDFAULT_PATH, rv);
}
}
#endif /* CONFIG_RX65N_SAVE_CRASHDUMP */
return rv;
}
/****************************************************************************
* Name: board_crashdump
****************************************************************************/
#if defined(CONFIG_RX65N_SAVE_CRASHDUMP)
void board_crashdump(uintptr_t currentsp, FAR void *tcb,
FAR const uint8_t *filename, int lineno)
{
struct fullcontext *pdump ;
pdump = (struct fullcontext *)&g_sdata;
FAR struct tcb_s *rtcb;
int rv;
(void)enter_critical_section();
rtcb = (FAR struct tcb_s *)tcb;
/* Zero out everything */
memset((uint8_t *)pdump, 0, sizeof(struct fullcontext));
/* Save Info */
pdump->info.lineno = lineno;
if (filename)
{
int offset = 0;
unsigned int len = strlen((char *)filename) + 1;
if (len > sizeof(pdump->info.filename))
{
offset = len - sizeof(pdump->info.filename);
}
strncpy((char *)pdump->info.filename, (char *)&filename[offset],
sizeof(pdump->info.filename));
}
/* Save the value of the pointer for current_regs as debugging info.
* It should be NULL in case of an ASSERT and will aid in cross
* checking the validity of system memory at the time of the
* fault.
*/
pdump->info.current_regs = (uintptr_t) g_current_regs;
/* Save Context */
#if CONFIG_TASK_NAME_SIZE > 0
strncpy(pdump->info.name, rtcb->name, CONFIG_TASK_NAME_SIZE);
#endif
pdump->info.pid = rtcb->pid;
/* If current_regs is not NULL then we are in an interrupt context
* and the user context is in current_regs else we are running in
* the users context
*/
if (g_current_regs)
{
pdump->info.stacks.interrupt.sp = currentsp;
pdump->info.flags |= (REGS_PRESENT | USERSTACK_PRESENT | \
INTSTACK_PRESENT);
memcpy((uint8_t *)pdump->info.regs, (void *)g_current_regs,
sizeof(pdump->info.regs));
pdump->info.stacks.user.sp = pdump->info.regs[REG_SP];
}
else
{
/* users context */
pdump->info.flags |= USERSTACK_PRESENT;
pdump->info.stacks.user.sp = currentsp;
}
if (pdump->info.pid == 0)
{
pdump->info.stacks.user.top = g_idle_topstack - 4;
pdump->info.stacks.user.size = CONFIG_IDLETHREAD_STACKSIZE;
}
else
{
pdump->info.stacks.user.top = (uint32_t) rtcb->adj_stack_ptr;
pdump->info.stacks.user.size = (uint32_t) rtcb->adj_stack_size;
}
#if CONFIG_ARCH_INTERRUPTSTACK > 3
/* Get the limits on the interrupt stack memory */
pdump->info.stacks.interrupt.top = (uint32_t)&istack;
pdump->info.stacks.interrupt.size = (CONFIG_ARCH_INTERRUPTSTACK);
/* If In interrupt Context save the interrupt stack data centered
* about the interrupt stack pointer
*/
if ((pdump->info.flags & INTSTACK_PRESENT) != 0)
{
stack_word_t *ps = (stack_word_t *) pdump->info.stacks.interrupt.sp;
copy_reverse((stack_word_t *)pdump->istack,
&ps[ARRAYSIZE(pdump->istack) / 2],
ARRAYSIZE(pdump->istack));
}
/* Is it Invalid? */
if (!(pdump->info.stacks.interrupt.sp <= pdump->info.stacks.interrupt.top
&& pdump->info.stacks.interrupt.sp > pdump->info.stacks.interrupt.top -
pdump->info.stacks.interrupt.size))
{
pdump->info.flags |= INVALID_INTSTACK_PTR;
}
#endif
/* If In interrupt context or User save the user stack data centered
* about the user stack pointer
*/
if ((pdump->info.flags & USERSTACK_PRESENT) != 0)
{
stack_word_t *ps = (stack_word_t *) pdump->info.stacks.user.sp;
copy_reverse((stack_word_t *)pdump->ustack,
&ps[ARRAYSIZE(pdump->ustack) / 2],
ARRAYSIZE(pdump->ustack));
}
/* Is it Invalid? */
if (!(pdump->info.stacks.user.sp <= pdump->info.stacks.user.top &&
pdump->info.stacks.user.sp > pdump->info.stacks.user.top -
pdump->info.stacks.user.size))
{
pdump->info.flags |= INVALID_USERSTACK_PTR;
}
rv = rx65n_sbram_savepanic(HARDFAULT_FILENO, (uint8_t *)pdump,
sizeof(struct fullcontext));
/* Test if memory got wiped because of using _sdata */
if (rv == -ENXIO)
{
char *dead = "Memory wiped - dump not saved!";
while (*dead)
{
up_lowputc(*dead++);
}
}
else if (rv == -ENOSPC)
{
/* hard fault again */
up_lowputc('!');
}
}
#endif /* CONFIG_RX65N_SAVE_CRASHDUMP */
#endif /* CONFIG_RX65N_SBRAM */