OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-old/] [gdb-7.1/] [gdb/] [target-memory.c] - Diff between revs 834 and 842

Only display areas with differences | Details | Blame | View Log

Rev 834 Rev 842
/* Parts of target interface that deal with accessing memory and memory-like
/* Parts of target interface that deal with accessing memory and memory-like
   objects.
   objects.
 
 
   Copyright (C) 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
   Copyright (C) 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
 
 
   This file is part of GDB.
   This file is part of GDB.
 
 
   This program is free software; you can redistribute it and/or modify
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.
   (at your option) any later version.
 
 
   This program is distributed in the hope that it will be useful,
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   GNU General Public License for more details.
 
 
   You should have received a copy of the GNU General Public License
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 
#include "defs.h"
#include "defs.h"
#include "vec.h"
#include "vec.h"
#include "target.h"
#include "target.h"
#include "memory-map.h"
#include "memory-map.h"
 
 
#include "gdb_assert.h"
#include "gdb_assert.h"
 
 
#include <stdio.h>
#include <stdio.h>
#include <sys/time.h>
#include <sys/time.h>
 
 
static int
static int
compare_block_starting_address (const void *a, const void *b)
compare_block_starting_address (const void *a, const void *b)
{
{
  const struct memory_write_request *a_req = a;
  const struct memory_write_request *a_req = a;
  const struct memory_write_request *b_req = b;
  const struct memory_write_request *b_req = b;
 
 
  if (a_req->begin < b_req->begin)
  if (a_req->begin < b_req->begin)
    return -1;
    return -1;
  else if (a_req->begin == b_req->begin)
  else if (a_req->begin == b_req->begin)
    return 0;
    return 0;
  else
  else
    return 1;
    return 1;
}
}
 
 
/* Adds to RESULT all memory write requests from BLOCK that are
/* Adds to RESULT all memory write requests from BLOCK that are
   in [BEGIN, END) range.
   in [BEGIN, END) range.
 
 
   If any memory request is only partially in the specified range,
   If any memory request is only partially in the specified range,
   that part of the memory request will be added.  */
   that part of the memory request will be added.  */
 
 
static void
static void
claim_memory (VEC(memory_write_request_s) *blocks,
claim_memory (VEC(memory_write_request_s) *blocks,
              VEC(memory_write_request_s) **result,
              VEC(memory_write_request_s) **result,
              ULONGEST begin,
              ULONGEST begin,
              ULONGEST end)
              ULONGEST end)
{
{
  int i;
  int i;
  ULONGEST claimed_begin;
  ULONGEST claimed_begin;
  ULONGEST claimed_end;
  ULONGEST claimed_end;
  struct memory_write_request *r;
  struct memory_write_request *r;
 
 
  for (i = 0; VEC_iterate (memory_write_request_s, blocks, i, r); ++i)
  for (i = 0; VEC_iterate (memory_write_request_s, blocks, i, r); ++i)
    {
    {
      /* If the request doesn't overlap [BEGIN, END), skip it.  We
      /* If the request doesn't overlap [BEGIN, END), skip it.  We
         must handle END == 0 meaning the top of memory; we don't yet
         must handle END == 0 meaning the top of memory; we don't yet
         check for R->end == 0, which would also mean the top of
         check for R->end == 0, which would also mean the top of
         memory, but there's an assertion in
         memory, but there's an assertion in
         target_write_memory_blocks which checks for that.  */
         target_write_memory_blocks which checks for that.  */
 
 
      if (begin >= r->end)
      if (begin >= r->end)
        continue;
        continue;
      if (end != 0 && end <= r->begin)
      if (end != 0 && end <= r->begin)
        continue;
        continue;
 
 
      claimed_begin = max (begin, r->begin);
      claimed_begin = max (begin, r->begin);
      if (end == 0)
      if (end == 0)
        claimed_end = r->end;
        claimed_end = r->end;
      else
      else
        claimed_end = min (end, r->end);
        claimed_end = min (end, r->end);
 
 
      if (claimed_begin == r->begin && claimed_end == r->end)
      if (claimed_begin == r->begin && claimed_end == r->end)
        VEC_safe_push (memory_write_request_s, *result, r);
        VEC_safe_push (memory_write_request_s, *result, r);
      else
      else
        {
        {
          struct memory_write_request *n =
          struct memory_write_request *n =
            VEC_safe_push (memory_write_request_s, *result, NULL);
            VEC_safe_push (memory_write_request_s, *result, NULL);
          *n = *r;
          *n = *r;
          n->begin = claimed_begin;
          n->begin = claimed_begin;
          n->end = claimed_end;
          n->end = claimed_end;
          n->data += claimed_begin - r->begin;
          n->data += claimed_begin - r->begin;
        }
        }
    }
    }
}
}
 
 
/* Given a vector of struct memory_write_request objects in BLOCKS,
/* Given a vector of struct memory_write_request objects in BLOCKS,
   add memory requests for flash memory into FLASH_BLOCKS, and for
   add memory requests for flash memory into FLASH_BLOCKS, and for
   regular memory to REGULAR_BLOCKS.  */
   regular memory to REGULAR_BLOCKS.  */
 
 
static void
static void
split_regular_and_flash_blocks (VEC(memory_write_request_s) *blocks,
split_regular_and_flash_blocks (VEC(memory_write_request_s) *blocks,
                                VEC(memory_write_request_s) **regular_blocks,
                                VEC(memory_write_request_s) **regular_blocks,
                                VEC(memory_write_request_s) **flash_blocks)
                                VEC(memory_write_request_s) **flash_blocks)
{
{
  struct mem_region *region;
  struct mem_region *region;
  CORE_ADDR cur_address;
  CORE_ADDR cur_address;
 
 
  /* This implementation runs in O(length(regions)*length(blocks)) time.
  /* This implementation runs in O(length(regions)*length(blocks)) time.
     However, in most cases the number of blocks will be small, so this does
     However, in most cases the number of blocks will be small, so this does
     not matter.
     not matter.
 
 
     Note also that it's extremely unlikely that a memory write request
     Note also that it's extremely unlikely that a memory write request
     will span more than one memory region, however for safety we handle
     will span more than one memory region, however for safety we handle
     such situations.  */
     such situations.  */
 
 
  cur_address = 0;
  cur_address = 0;
  while (1)
  while (1)
    {
    {
      VEC(memory_write_request_s) **r;
      VEC(memory_write_request_s) **r;
      region = lookup_mem_region (cur_address);
      region = lookup_mem_region (cur_address);
 
 
      r = region->attrib.mode == MEM_FLASH ? flash_blocks : regular_blocks;
      r = region->attrib.mode == MEM_FLASH ? flash_blocks : regular_blocks;
      cur_address = region->hi;
      cur_address = region->hi;
      claim_memory (blocks, r, region->lo, region->hi);
      claim_memory (blocks, r, region->lo, region->hi);
 
 
      if (cur_address == 0)
      if (cur_address == 0)
        break;
        break;
    }
    }
}
}
 
 
/* Given an ADDRESS, if BEGIN is non-NULL this function sets *BEGIN
/* Given an ADDRESS, if BEGIN is non-NULL this function sets *BEGIN
   to the start of the flash block containing the address.  Similarly,
   to the start of the flash block containing the address.  Similarly,
   if END is non-NULL *END will be set to the address one past the end
   if END is non-NULL *END will be set to the address one past the end
   of the block containing the address.  */
   of the block containing the address.  */
 
 
static void
static void
block_boundaries (CORE_ADDR address, CORE_ADDR *begin, CORE_ADDR *end)
block_boundaries (CORE_ADDR address, CORE_ADDR *begin, CORE_ADDR *end)
{
{
  struct mem_region *region;
  struct mem_region *region;
  unsigned blocksize;
  unsigned blocksize;
 
 
  region = lookup_mem_region (address);
  region = lookup_mem_region (address);
  gdb_assert (region->attrib.mode == MEM_FLASH);
  gdb_assert (region->attrib.mode == MEM_FLASH);
  blocksize = region->attrib.blocksize;
  blocksize = region->attrib.blocksize;
  if (begin)
  if (begin)
    *begin = address / blocksize * blocksize;
    *begin = address / blocksize * blocksize;
  if (end)
  if (end)
    *end = (address + blocksize - 1) / blocksize * blocksize;
    *end = (address + blocksize - 1) / blocksize * blocksize;
}
}
 
 
/* Given the list of memory requests to be WRITTEN, this function
/* Given the list of memory requests to be WRITTEN, this function
   returns write requests covering each group of flash blocks which must
   returns write requests covering each group of flash blocks which must
   be erased.  */
   be erased.  */
 
 
static VEC(memory_write_request_s) *
static VEC(memory_write_request_s) *
blocks_to_erase (VEC(memory_write_request_s) *written)
blocks_to_erase (VEC(memory_write_request_s) *written)
{
{
  unsigned i;
  unsigned i;
  struct memory_write_request *ptr;
  struct memory_write_request *ptr;
 
 
  VEC(memory_write_request_s) *result = NULL;
  VEC(memory_write_request_s) *result = NULL;
 
 
  for (i = 0; VEC_iterate (memory_write_request_s, written, i, ptr); ++i)
  for (i = 0; VEC_iterate (memory_write_request_s, written, i, ptr); ++i)
    {
    {
      CORE_ADDR begin, end;
      CORE_ADDR begin, end;
 
 
      block_boundaries (ptr->begin, &begin, 0);
      block_boundaries (ptr->begin, &begin, 0);
      block_boundaries (ptr->end - 1, 0, &end);
      block_boundaries (ptr->end - 1, 0, &end);
 
 
      if (!VEC_empty (memory_write_request_s, result)
      if (!VEC_empty (memory_write_request_s, result)
          && VEC_last (memory_write_request_s, result)->end >= begin)
          && VEC_last (memory_write_request_s, result)->end >= begin)
        {
        {
          VEC_last (memory_write_request_s, result)->end = end;
          VEC_last (memory_write_request_s, result)->end = end;
        }
        }
      else
      else
        {
        {
          struct memory_write_request *n =
          struct memory_write_request *n =
            VEC_safe_push (memory_write_request_s, result, NULL);
            VEC_safe_push (memory_write_request_s, result, NULL);
          memset (n, 0, sizeof (struct memory_write_request));
          memset (n, 0, sizeof (struct memory_write_request));
          n->begin = begin;
          n->begin = begin;
          n->end = end;
          n->end = end;
        }
        }
    }
    }
 
 
  return result;
  return result;
}
}
 
 
/* Given ERASED_BLOCKS, a list of blocks that will be erased with
/* Given ERASED_BLOCKS, a list of blocks that will be erased with
   flash erase commands, and WRITTEN_BLOCKS, the list of memory
   flash erase commands, and WRITTEN_BLOCKS, the list of memory
   addresses that will be written, compute the set of memory addresses
   addresses that will be written, compute the set of memory addresses
   that will be erased but not rewritten (e.g. padding within a block
   that will be erased but not rewritten (e.g. padding within a block
   which is only partially filled by "load").  */
   which is only partially filled by "load").  */
 
 
static VEC(memory_write_request_s) *
static VEC(memory_write_request_s) *
compute_garbled_blocks (VEC(memory_write_request_s) *erased_blocks,
compute_garbled_blocks (VEC(memory_write_request_s) *erased_blocks,
                        VEC(memory_write_request_s) *written_blocks)
                        VEC(memory_write_request_s) *written_blocks)
{
{
  VEC(memory_write_request_s) *result = NULL;
  VEC(memory_write_request_s) *result = NULL;
 
 
  unsigned i, j;
  unsigned i, j;
  unsigned je = VEC_length (memory_write_request_s, written_blocks);
  unsigned je = VEC_length (memory_write_request_s, written_blocks);
  struct memory_write_request *erased_p;
  struct memory_write_request *erased_p;
 
 
  /* Look at each erased memory_write_request in turn, and
  /* Look at each erased memory_write_request in turn, and
     see what part of it is subsequently written to.
     see what part of it is subsequently written to.
 
 
     This implementation is O(length(erased) * length(written)).  If
     This implementation is O(length(erased) * length(written)).  If
     the lists are sorted at this point it could be rewritten more
     the lists are sorted at this point it could be rewritten more
     efficiently, but the complexity is not generally worthwhile.  */
     efficiently, but the complexity is not generally worthwhile.  */
 
 
  for (i = 0;
  for (i = 0;
       VEC_iterate (memory_write_request_s, erased_blocks, i, erased_p);
       VEC_iterate (memory_write_request_s, erased_blocks, i, erased_p);
       ++i)
       ++i)
    {
    {
      /* Make a deep copy -- it will be modified inside the loop, but
      /* Make a deep copy -- it will be modified inside the loop, but
         we don't want to modify original vector.  */
         we don't want to modify original vector.  */
      struct memory_write_request erased = *erased_p;
      struct memory_write_request erased = *erased_p;
 
 
      for (j = 0; j != je;)
      for (j = 0; j != je;)
        {
        {
          struct memory_write_request *written
          struct memory_write_request *written
            = VEC_index (memory_write_request_s,
            = VEC_index (memory_write_request_s,
                         written_blocks, j);
                         written_blocks, j);
 
 
          /* Now try various cases.  */
          /* Now try various cases.  */
 
 
          /* If WRITTEN is fully to the left of ERASED, check the next
          /* If WRITTEN is fully to the left of ERASED, check the next
             written memory_write_request.  */
             written memory_write_request.  */
          if (written->end <= erased.begin)
          if (written->end <= erased.begin)
            {
            {
              ++j;
              ++j;
              continue;
              continue;
            }
            }
 
 
          /* If WRITTEN is fully to the right of ERASED, then ERASED
          /* If WRITTEN is fully to the right of ERASED, then ERASED
             is not written at all.  WRITTEN might affect other
             is not written at all.  WRITTEN might affect other
             blocks.  */
             blocks.  */
          if (written->begin >= erased.end)
          if (written->begin >= erased.end)
            {
            {
              VEC_safe_push (memory_write_request_s, result, &erased);
              VEC_safe_push (memory_write_request_s, result, &erased);
              goto next_erased;
              goto next_erased;
            }
            }
 
 
          /* If all of ERASED is completely written, we can move on to
          /* If all of ERASED is completely written, we can move on to
             the next erased region.  */
             the next erased region.  */
          if (written->begin <= erased.begin
          if (written->begin <= erased.begin
              && written->end >= erased.end)
              && written->end >= erased.end)
            {
            {
              goto next_erased;
              goto next_erased;
            }
            }
 
 
          /* If there is an unwritten part at the beginning of ERASED,
          /* If there is an unwritten part at the beginning of ERASED,
             then we should record that part and try this inner loop
             then we should record that part and try this inner loop
             again for the remainder.  */
             again for the remainder.  */
          if (written->begin > erased.begin)
          if (written->begin > erased.begin)
            {
            {
              struct memory_write_request *n =
              struct memory_write_request *n =
                VEC_safe_push (memory_write_request_s, result, NULL);
                VEC_safe_push (memory_write_request_s, result, NULL);
              memset (n, 0, sizeof (struct memory_write_request));
              memset (n, 0, sizeof (struct memory_write_request));
              n->begin = erased.begin;
              n->begin = erased.begin;
              n->end = written->begin;
              n->end = written->begin;
              erased.begin = written->begin;
              erased.begin = written->begin;
              continue;
              continue;
            }
            }
 
 
          /* If there is an unwritten part at the end of ERASED, we
          /* If there is an unwritten part at the end of ERASED, we
             forget about the part that was written to and wait to see
             forget about the part that was written to and wait to see
             if the next write request writes more of ERASED.  We can't
             if the next write request writes more of ERASED.  We can't
             push it yet.  */
             push it yet.  */
          if (written->end < erased.end)
          if (written->end < erased.end)
            {
            {
              erased.begin = written->end;
              erased.begin = written->end;
              ++j;
              ++j;
              continue;
              continue;
            }
            }
        }
        }
 
 
      /* If we ran out of write requests without doing anything about
      /* If we ran out of write requests without doing anything about
         ERASED, then that means it's really erased.  */
         ERASED, then that means it's really erased.  */
      VEC_safe_push (memory_write_request_s, result, &erased);
      VEC_safe_push (memory_write_request_s, result, &erased);
 
 
    next_erased:
    next_erased:
      ;
      ;
    }
    }
 
 
  return result;
  return result;
}
}
 
 
static void
static void
cleanup_request_data (void *p)
cleanup_request_data (void *p)
{
{
  VEC(memory_write_request_s) **v = p;
  VEC(memory_write_request_s) **v = p;
  struct memory_write_request *r;
  struct memory_write_request *r;
  int i;
  int i;
 
 
  for (i = 0; VEC_iterate (memory_write_request_s, *v, i, r); ++i)
  for (i = 0; VEC_iterate (memory_write_request_s, *v, i, r); ++i)
    xfree (r->data);
    xfree (r->data);
}
}
 
 
static void
static void
cleanup_write_requests_vector (void *p)
cleanup_write_requests_vector (void *p)
{
{
  VEC(memory_write_request_s) **v = p;
  VEC(memory_write_request_s) **v = p;
  VEC_free (memory_write_request_s, *v);
  VEC_free (memory_write_request_s, *v);
}
}
 
 
int
int
target_write_memory_blocks (VEC(memory_write_request_s) *requests,
target_write_memory_blocks (VEC(memory_write_request_s) *requests,
                            enum flash_preserve_mode preserve_flash_p,
                            enum flash_preserve_mode preserve_flash_p,
                            void (*progress_cb) (ULONGEST, void *))
                            void (*progress_cb) (ULONGEST, void *))
{
{
  struct cleanup *back_to = make_cleanup (null_cleanup, NULL);
  struct cleanup *back_to = make_cleanup (null_cleanup, NULL);
  VEC(memory_write_request_s) *blocks = VEC_copy (memory_write_request_s,
  VEC(memory_write_request_s) *blocks = VEC_copy (memory_write_request_s,
                                                  requests);
                                                  requests);
  unsigned i;
  unsigned i;
  int err = 0;
  int err = 0;
  struct memory_write_request *r;
  struct memory_write_request *r;
  VEC(memory_write_request_s) *regular = NULL;
  VEC(memory_write_request_s) *regular = NULL;
  VEC(memory_write_request_s) *flash = NULL;
  VEC(memory_write_request_s) *flash = NULL;
  VEC(memory_write_request_s) *erased, *garbled;
  VEC(memory_write_request_s) *erased, *garbled;
 
 
  /* END == 0 would represent wraparound: a write to the very last
  /* END == 0 would represent wraparound: a write to the very last
     byte of the address space.  This file was not written with that
     byte of the address space.  This file was not written with that
     possibility in mind.  This is fixable, but a lot of work for a
     possibility in mind.  This is fixable, but a lot of work for a
     rare problem; so for now, fail noisily here instead of obscurely
     rare problem; so for now, fail noisily here instead of obscurely
     later.  */
     later.  */
  for (i = 0; VEC_iterate (memory_write_request_s, requests, i, r); ++i)
  for (i = 0; VEC_iterate (memory_write_request_s, requests, i, r); ++i)
    gdb_assert (r->end != 0);
    gdb_assert (r->end != 0);
 
 
  make_cleanup (cleanup_write_requests_vector, &blocks);
  make_cleanup (cleanup_write_requests_vector, &blocks);
 
 
  /* Sort the blocks by their start address.  */
  /* Sort the blocks by their start address.  */
  qsort (VEC_address (memory_write_request_s, blocks),
  qsort (VEC_address (memory_write_request_s, blocks),
         VEC_length (memory_write_request_s, blocks),
         VEC_length (memory_write_request_s, blocks),
         sizeof (struct memory_write_request), compare_block_starting_address);
         sizeof (struct memory_write_request), compare_block_starting_address);
 
 
  /* Split blocks into list of regular memory blocks,
  /* Split blocks into list of regular memory blocks,
     and list of flash memory blocks. */
     and list of flash memory blocks. */
  make_cleanup (cleanup_write_requests_vector, &regular);
  make_cleanup (cleanup_write_requests_vector, &regular);
  make_cleanup (cleanup_write_requests_vector, &flash);
  make_cleanup (cleanup_write_requests_vector, &flash);
  split_regular_and_flash_blocks (blocks, &regular, &flash);
  split_regular_and_flash_blocks (blocks, &regular, &flash);
 
 
  /* If a variable is added to forbid flash write, even during "load",
  /* If a variable is added to forbid flash write, even during "load",
     it should be checked here.  Similarly, if this function is used
     it should be checked here.  Similarly, if this function is used
     for other situations besides "load" in which writing to flash
     for other situations besides "load" in which writing to flash
     is undesirable, that should be checked here.  */
     is undesirable, that should be checked here.  */
 
 
  /* Find flash blocks to erase.  */
  /* Find flash blocks to erase.  */
  erased = blocks_to_erase (flash);
  erased = blocks_to_erase (flash);
  make_cleanup (cleanup_write_requests_vector, &erased);
  make_cleanup (cleanup_write_requests_vector, &erased);
 
 
  /* Find what flash regions will be erased, and not overwritten; then
  /* Find what flash regions will be erased, and not overwritten; then
     either preserve or discard the old contents.  */
     either preserve or discard the old contents.  */
  garbled = compute_garbled_blocks (erased, flash);
  garbled = compute_garbled_blocks (erased, flash);
  make_cleanup (cleanup_request_data, &garbled);
  make_cleanup (cleanup_request_data, &garbled);
  make_cleanup (cleanup_write_requests_vector, &garbled);
  make_cleanup (cleanup_write_requests_vector, &garbled);
 
 
  if (!VEC_empty (memory_write_request_s, garbled))
  if (!VEC_empty (memory_write_request_s, garbled))
    {
    {
      if (preserve_flash_p == flash_preserve)
      if (preserve_flash_p == flash_preserve)
        {
        {
          struct memory_write_request *r;
          struct memory_write_request *r;
 
 
          /* Read in regions that must be preserved and add them to
          /* Read in regions that must be preserved and add them to
             the list of blocks we read.  */
             the list of blocks we read.  */
          for (i = 0; VEC_iterate (memory_write_request_s, garbled, i, r); ++i)
          for (i = 0; VEC_iterate (memory_write_request_s, garbled, i, r); ++i)
            {
            {
              gdb_assert (r->data == NULL);
              gdb_assert (r->data == NULL);
              r->data = xmalloc (r->end - r->begin);
              r->data = xmalloc (r->end - r->begin);
              err = target_read_memory (r->begin, r->data, r->end - r->begin);
              err = target_read_memory (r->begin, r->data, r->end - r->begin);
              if (err != 0)
              if (err != 0)
                goto out;
                goto out;
 
 
              VEC_safe_push (memory_write_request_s, flash, r);
              VEC_safe_push (memory_write_request_s, flash, r);
            }
            }
 
 
          qsort (VEC_address (memory_write_request_s, flash),
          qsort (VEC_address (memory_write_request_s, flash),
                 VEC_length (memory_write_request_s, flash),
                 VEC_length (memory_write_request_s, flash),
                 sizeof (struct memory_write_request), compare_block_starting_address);
                 sizeof (struct memory_write_request), compare_block_starting_address);
        }
        }
    }
    }
 
 
  /* We could coalesce adjacent memory blocks here, to reduce the
  /* We could coalesce adjacent memory blocks here, to reduce the
     number of write requests for small sections.  However, we would
     number of write requests for small sections.  However, we would
     have to reallocate and copy the data pointers, which could be
     have to reallocate and copy the data pointers, which could be
     large; large sections are more common in loadable objects than
     large; large sections are more common in loadable objects than
     large numbers of small sections (although the reverse can be true
     large numbers of small sections (although the reverse can be true
     in object files).  So, we issue at least one write request per
     in object files).  So, we issue at least one write request per
     passed struct memory_write_request.  The remote stub will still
     passed struct memory_write_request.  The remote stub will still
     have the opportunity to batch flash requests.  */
     have the opportunity to batch flash requests.  */
 
 
  /* Write regular blocks.  */
  /* Write regular blocks.  */
  for (i = 0; VEC_iterate (memory_write_request_s, regular, i, r); ++i)
  for (i = 0; VEC_iterate (memory_write_request_s, regular, i, r); ++i)
    {
    {
      LONGEST len;
      LONGEST len;
 
 
      len = target_write_with_progress (current_target.beneath,
      len = target_write_with_progress (current_target.beneath,
                                        TARGET_OBJECT_MEMORY, NULL,
                                        TARGET_OBJECT_MEMORY, NULL,
                                        r->data, r->begin, r->end - r->begin,
                                        r->data, r->begin, r->end - r->begin,
                                        progress_cb, r->baton);
                                        progress_cb, r->baton);
      if (len < (LONGEST) (r->end - r->begin))
      if (len < (LONGEST) (r->end - r->begin))
        {
        {
          /* Call error?  */
          /* Call error?  */
          err = -1;
          err = -1;
          goto out;
          goto out;
        }
        }
    }
    }
 
 
  if (!VEC_empty (memory_write_request_s, erased))
  if (!VEC_empty (memory_write_request_s, erased))
    {
    {
      /* Erase all pages.  */
      /* Erase all pages.  */
      for (i = 0; VEC_iterate (memory_write_request_s, erased, i, r); ++i)
      for (i = 0; VEC_iterate (memory_write_request_s, erased, i, r); ++i)
        target_flash_erase (r->begin, r->end - r->begin);
        target_flash_erase (r->begin, r->end - r->begin);
 
 
      /* Write flash data.  */
      /* Write flash data.  */
      for (i = 0; VEC_iterate (memory_write_request_s, flash, i, r); ++i)
      for (i = 0; VEC_iterate (memory_write_request_s, flash, i, r); ++i)
        {
        {
          LONGEST len;
          LONGEST len;
 
 
          len = target_write_with_progress (&current_target,
          len = target_write_with_progress (&current_target,
                                            TARGET_OBJECT_FLASH, NULL,
                                            TARGET_OBJECT_FLASH, NULL,
                                            r->data, r->begin, r->end - r->begin,
                                            r->data, r->begin, r->end - r->begin,
                                            progress_cb, r->baton);
                                            progress_cb, r->baton);
          if (len < (LONGEST) (r->end - r->begin))
          if (len < (LONGEST) (r->end - r->begin))
            error (_("Error writing data to flash"));
            error (_("Error writing data to flash"));
        }
        }
 
 
      target_flash_done ();
      target_flash_done ();
    }
    }
 
 
 out:
 out:
  do_cleanups (back_to);
  do_cleanups (back_to);
 
 
  return err;
  return err;
}
}
 
 

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.