URL https://opencores.org/ocsvn/or1k_soc_on_altera_embedded_dev_kit/or1k_soc_on_altera_embedded_dev_kit/trunk

Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

[/] [or1k_soc_on_altera_embedded_dev_kit/] [trunk/] [soc/] [sw/] [orpmon/] [cmds/] [load.c] - Blame information for rev 20

Details | Compare with Previous | View Log


#include "common.h"
#include "support.h"
#include "flash.h"
#include "net.h"
#include "uart.h"
#include "spr_defs.h"
 
#ifndef MAX_IMAGES
#define MAX_IMAGES 20
#endif
 
extern unsigned long fprog_addr;
extern char *tftp_filename;
 
static flash_cfg_struct __attribute__ ((section(".config"))) gcfg = { 0, 0, 0, 0 };
 
#define FLASH_IMAGES_BASE 0xf0300000
 
/* Buffer Address == for example internal RAM */
#define BUF_BASE_ADDR   0x00400000 -  0x00042000
#define BUF_LENGTH      4096
 
 
#define ALIGN(addr,size) ((addr + (size-1))&(~(size-1)))
 
void copy_and_boot(unsigned long src,
                   unsigned long dst,
                   unsigned long len,
                   int tx_next)
{
  __asm__ __volatile__("   ;\
        l.addi  r8,r0,0x1  ;\
        l.mtspr r0,r8,0x11  ;\
        l.nop               ;\
        l.nop               ;\
        l.nop               ;\
        l.nop               ;\
        l.nop               ;\
2:                          ;\
        l.sfgeu r4,r5       ;\
        l.bf    1f          ;\
        l.nop               ;\
        l.lwz   r8,0(r3)    ;\
        l.sw    0(r4),r8    ;\
        l.addi  r3,r3,4     ;\
        l.j     2b          ;\
        l.addi  r4,r4,4     ;\
1:      l.sw    0x0(r0),r6  ;\
        l.ori   r8,r0,0x100 ;\
        l.jr    r8          ;\
        l.nop");
}
 
/* WARNING: stack and non-const globals should not be used in this function -- it may corrupt what have we loaded;
   start_addr should be 0xffffffff if only copying should be made
   no return, when start_addr != 0xffffffff, if successful */
int copy_memory_run (register unsigned long src_addr, register unsigned long dst_addr, register unsigned long length, register int erase, register unsigned long start_addr)
{
  unsigned long i, flags;
 
  register char *dst = (char *) dst_addr;
  register const char *src = (const char *) src_addr;
 
  if (dst_addr >= FLASH_BASE_ADDR) {
    if (dst_addr + length >= FLASH_BASE_ADDR + FLASH_SIZE) {
      printf ("error: region does not fit into flash.\n");
       return 1;
    }
#ifndef CFG_IN_FLASH
    fl_program (src_addr, dst_addr, length, erase, 1 /* do verify */);
#else
    /* we must disable interrupts! */
    flags=mfspr(SPR_SR);
    mtspr(SPR_SR,flags & ~(SPR_SR_TEE | SPR_SR_IEE));
 
    printf("Unlocking flash... ");
    for(i = 0; i < length; i += FLASH_BLOCK_SIZE)
      fl_ext_unlock(dst_addr + i);
    printf("done\n");
 
    printf("Erasing flash... ");
    for(i = 0; i < length; i += FLASH_BLOCK_SIZE)
      fl_ext_erase(dst_addr+i);
    printf("done\n");
 
    printf("Programing flash:\n\t");
    for (i = 0; i < length; i += INC_ADDR) {
      if(((i+INC_ADDR) % 1000) == 0)
        printf("#");
      if((i % (65*1000)) == 0)
        printf("\n\t");
      if (fl_ext_program (dst_addr + i, reg_read(src_addr + i))) {
        printf("error programing at 0x%08lx!\n", dst_addr+i);
        return 1;
      }
    }
    printf("Verifying flash... ");
    for(i = 0; i < length; i += INC_ADDR) {
      if( reg_read(dst_addr+i) != reg_read(src_addr + i)) {
        printf ("error at %08lx: %08lx != %08lx\n", src_addr + i, reg_read(src_addr + i), reg_read(dst_addr + i));
        return 1;
      }
    }
    printf("OK!\n");
    mtspr(SPR_SR, flags);
#endif
    if(start_addr == 0xffffffff)
      return 0;
  }
  else {
    while (length--) *dst++ = *src++;
    if (start_addr == 0xffffffff)
      return 0;
  }
  /* Run the program */
  ((void (*)(void)) start_addr)();
  return 0; /* just to satisfy the cc */
}
 
void bf_jump(unsigned long addr)
{
  asm("l.jr   r3");
  asm("l.nop  0x0");
}
 
int boot_flash_cmd(int argc, char *argv[])
{
  unsigned long addr,val,jaddr;
  addr = 17;
  val = 0;
  /* clear SR */
 
  asm("l.mtspr %0,%1,0": : "r" (addr), "r" (val));
  /* jump */
  if(argc == 0)
    bf_jump(FLASH_BASE_ADDR+0x100);
  else {
    jaddr = strtoul(argv[0], 0, 0);
    bf_jump(jaddr);
  }
  return 0;
}
 
void
init_load (void)
{
#ifdef CFG_IN_FLASH
  copy_memory_run((unsigned long)&fl_word_program, (unsigned long)&fprog_addr,
                  95, 0, 0xffffffff);
  copy_memory_run((unsigned long)&fl_block_erase, (unsigned long)&fprog_addr+96,
                  119, 0, 0xffffffff);
  copy_memory_run((unsigned long)&fl_unlock_one_block,
                  (unsigned long)&fprog_addr+96+120,
                  115, 0, 0xffffffff);
 
  fl_ext_program = (t_fl_ext_program)&fprog_addr;
  fl_ext_erase = (t_fl_erase)&fprog_addr+96;
  fl_ext_unlock = (t_fl_erase)&fprog_addr+96+120;
 
#if 0
  printf("fl_word_program(): 0x%x\tfl_ext_program(): 0x%x\n",
         &fl_word_program, fl_ext_program);
  printf("fl_block_erase: 0x%x\tfl_ext_erase(): 0x%x\n",
         &fl_block_erase, fl_ext_erase);
  printf("fl_unlock_one_block(): 0x%x\tfl_ext_unlock(): 0x%x\n",
         &fl_unlock_one_block, fl_ext_unlock);
#endif
 
#else /* not CFG_IN_FLASH */
  fl_ext_program = (t_fl_ext_program)&fl_word_program;
  fl_ext_erase = (t_fl_erase)&fl_block_erase;
  fl_ext_unlock = (t_fl_erase)&fl_unlock_one_block;
#endif /* CFG_IN_FLASH */
 
  global.ip = gcfg.eth_ip;
  global.gw_ip = gcfg.eth_gw;
  global.mask = gcfg.eth_mask;
  global.srv_ip = gcfg.tftp_srv_ip;
  tftp_filename = "boot.img";
  /*memcpy(tftp_filename, gcfg.tftp_filename, strlen(gcfg.tftp_filename));
    tftp_filename[strlen(gcfg.tftp_filename)] = '\0';*/
}
 
int tftp_cmd (int argc, char *argv[])
{
  switch (argc) {
    case 0: tftp_filename = "boot.img";
                  break;
    case 3: global.src_addr = strtoul (argv[2], 0, 0);
    case 2: global.srv_ip = parse_ip (argv[1]);
    case 1: tftp_filename = &argv[0][0];
            break;
  }
  NetLoop(TFTP);
  return 0;
}
 
int tftp_conf_cmd(int argc, char *argv[])
{
  switch(argc) {
  case 0:
    printf("Image filename: %s", tftp_filename);
    printf("\nSrc addr: 0x%lx", global.src_addr);
    printf("\nServer IP: %s", inet_ntoa(global.srv_ip));
    return 0;
  case 3:
    global.src_addr = strtoul(argv[2], 0, 0);
    global.srv_ip = inet_aton(argv[1]);
    tftp_filename = argv[0];
    tftp_filename[strlen(argv[0])] = '\0';
    break;
  case 2:
    global.srv_ip = inet_aton(argv[1]);
    tftp_filename = argv[0];
    break;
  case 1:
    tftp_filename = argv[0];
    break;
  }
  return 0;
}
 
void save_global_cfg(flash_cfg_struct cfg)
{
  unsigned long dst = (unsigned long)&gcfg, src = (unsigned long)&cfg;
  unsigned long i, end, flags;
 
  end = (unsigned long)&cfg + sizeof(flash_cfg_struct);
 
  printf("Saving global cfg from 0x%lx (end: 0x%lx) to 0x%lx...", src, end, dst);
 
  /* we must disable interrupts! */
  flags=mfspr(SPR_SR);
  mtspr(SPR_SR,flags & ~(SPR_SR_TEE | SPR_SR_IEE));
  /*  printf("Unlocking... ");*/
  for(i = 0; (src+i <= end); i += FLASH_BLOCK_SIZE) {
    fl_ext_unlock(dst+i);
  }
  /*  printf("done\n");*/
  /*  printf("Erasing... ");*/
  for(i = 0; (src+i <= end); i += FLASH_BLOCK_SIZE)
    fl_ext_erase(dst);
  /*  printf("done\n");*/
  /*  printf("Programing... ");*/
  for(i = 0; (src+i <= end); i +=INC_ADDR) {
    if(fl_ext_program(dst+i, reg_read(src+i))) {
      printf("Error ocurred while saving.\n");
      return;
    }
  }
  printf("done\n");
 
  /* and than enable it back */
  mtspr(SPR_SR, flags);
  return;
}
 
int save_conf_cmd(int argc, char *argv[])
{
  flash_cfg_struct newCfg;
 
  newCfg = gcfg;
 
  newCfg.eth_ip = global.ip;
  newCfg.eth_mask = global.mask;
  newCfg.eth_gw = global.gw_ip;
  newCfg.tftp_srv_ip = global.srv_ip;
  /*  memcpy(newCfg.tftp_filename, tftp_filename, strlen(tftp_filename));*/
 
  save_global_cfg(newCfg);
  return 0;
}
int copy_cmd (int argc, char *argv[])
{
  switch (argc) {
    case 3: global.src_addr = strtoul (argv[2], 0, 0);
    case 2: global.length = strtoul (argv[2], 0, 0);
    case 1: global.src_addr = strtoul (argv[2], 0, 0);
    case 0: return copy_memory_run (global.src_addr, global.dst_addr, global.length,
                                    global.erase_method, 0xffffffff);
  }
  return -1;
}
 
void
images_info(void)
{
  int i;
  printf("Number of images: 0x%lx\n", gcfg.img_number);
  for(i = 0; i < gcfg.img_number; i++)
    printf("%d. image size: 0x%lx (at 0x%08lx)\n", i+1,
           gcfg.img_length[i], gcfg.img_start_addr[i]);
}
 
/*
 * get_good_addr()
 *
 * Here we try to find the most suitable place for our image. We search for
 * a hole between images, that is big enough (but as small as possible).
 *
 */
unsigned long
get_good_addr(unsigned int size)
{
  unsigned long start_addr[MAX_IMAGES], end_addr[MAX_IMAGES];
  unsigned long free[MAX_IMAGES], st_addr[MAX_IMAGES];
  unsigned long tmpval;
  unsigned int i = 0, j;
 
  flash_cfg_struct myCfg;
  myCfg = gcfg;
 
  /* we are full */
  if(gcfg.img_number == MAX_IMAGES)
    return 0xffffffff;
 
  if(gcfg.img_number == 0)
    return FLASH_IMAGES_BASE;
 
  for(i = 0; i < MAX_IMAGES; i++) {
    start_addr[i] = 0;
    end_addr[i] = 0;
    free[i] = 0;
    st_addr[i] = 0;
  }
 
  for(i = 0; i < myCfg.img_number; i++) {
    start_addr[i] = myCfg.img_start_addr[i];
    end_addr[i] = ALIGN((myCfg.img_start_addr[i] + myCfg.img_length[i]),
                        FLASH_BLOCK_SIZE);
  }
  /*  printf("\n");
  for(i = 0; i < myCfg.img_number; i++)
    printf("start: 0x%08x, end: 0x%08x\n", start_addr[i], end_addr[i]);
    printf("\n");*/
  /* bubble sorting by start_addr */
 
  for(j = myCfg.img_number - 1; j > 0; j--)
    for(i = 0; i < j; i++)
      if(start_addr[i] > start_addr[i+1]) {
        tmpval = start_addr[i];
        start_addr[i] = start_addr[i+1];
        start_addr[i+1] = tmpval;
        tmpval = end_addr[i];
        end_addr[i] = end_addr[i+1];
        end_addr[i+1] = tmpval;
      }
 
  /*  for(i = 0; i < myCfg.img_number; i++)
    printf("start: 0x%08x, end: 0x%08x\n", start_addr[i], end_addr[i]);
    printf("\n");*/
 
  /* now we calculate free space betwens segments */
  for(i = 1; i < myCfg.img_number; i++) {
    st_addr[i] = end_addr[i - 1];
    free[i] = start_addr[i] - end_addr[i - 1];
  }
 
  /* here we calcuta first position (starting with FLASH_IMAGES_BASE)... */
  st_addr[0] = FLASH_IMAGES_BASE + 0;
  free[0] = start_addr[0] - FLASH_IMAGES_BASE;
  /* ... and last one (ending with FLASH_IMAGES_BASE + FLASH_SIZE). */
  st_addr[myCfg.img_number] = end_addr[myCfg.img_number-1];
  free[myCfg.img_number] = (FLASH_IMAGES_BASE + FLASH_SIZE) - end_addr[myCfg.img_number-1];
 
  /*  for(i = 0; i < myCfg.img_number+1; i++)
    printf("start: 0x%08x, free: %x\n", st_addr[i], free[i]);
    printf("\n");*/
 
  /* yet another bubble sort by free (space) */
  for(j = myCfg.img_number; j > 0; j--)
    for(i = 0; i < j; i++)
      if(free[i] > free[i+1]) {
        tmpval = free[i];
        free[i] = free[i+1];
        free[i+1] = tmpval;
        tmpval = st_addr[i];
        st_addr[i] = st_addr[i+1];
        st_addr[i+1] = tmpval;
      }
 
  /*  for(i = 0; i < myCfg.img_number+1; i++)
    printf("start: 0x%08x, free: %x\n", st_addr[i], free[i]);
    printf("\n");*/
 
  /* now we pick the smallest but just big enough for our size */
  for(i = 0; i <= myCfg.img_number; i++)
    if(free[i] >= size)
      return st_addr[i];
 
  /* there is not enough space (in one segment) left */
  return 0;
}
 
unsigned long
prepare_img_data(unsigned int num, unsigned int size)
{
  int i;
  unsigned long addr=0;
  flash_cfg_struct newCfg;
 
  newCfg = gcfg;
 
  if(newCfg.img_number >= MAX_IMAGES) {
    printf("Maximum images exceeded: %d\n", MAX_IMAGES);
    return 0xffffffff;
  }
 
  newCfg.img_number++;
 
  if((num > newCfg.img_number) || (num == 0))
    num = newCfg.img_number;
 
  addr = get_good_addr(size);
  if(addr == 0x00) {
    printf("Can not find suitable place in flash. (None of free segments are big enough)\n");
    return 0xffffffff;
  }
 
  if(num < newCfg.img_number)
    for(i=newCfg.img_number-1; i >= num; i--) {
      newCfg.img_length[i] = newCfg.img_length[i-1];
      newCfg.img_start_addr[i] = newCfg.img_start_addr[i-1];
    }
 
  newCfg.img_length[num-1] = size;
  newCfg.img_start_addr[num-1] = addr;
 
  save_global_cfg(newCfg);
  return addr;
}
 
int
del_image_cmd(int argc, char *argv[])
{
  unsigned num, i;
  flash_cfg_struct newCfg = gcfg;
 
  newCfg.img_number = gcfg.img_number;
  for(i = 0; i < MAX_IMAGES; i++)
    newCfg.img_length[i] = gcfg.img_length[i];
 
  printf("Number of images available: 0x%lx\n", newCfg.img_number);
 
  if(argc == 0) {
    newCfg.img_number = 0;
    for(i = 0; i < MAX_IMAGES; i++) {
      newCfg.img_length[i] = 0;
      newCfg.img_start_addr[i] = 0;
    }
    save_global_cfg(newCfg);
    return 0;
  }
  else {
    num = strtoul(argv[0], 0, 0);
  }
 
  if(newCfg.img_number == 0) {
    printf("Nothing to delete!\n");
    return 0;
  }
  if((num == 0) || (num > newCfg.img_number))
    num = newCfg.img_number;
 
  for(i=num-1; i < newCfg.img_number; i++) {
    newCfg.img_length[i] = newCfg.img_length[i+1];
    newCfg.img_start_addr[i] = newCfg.img_start_addr[i+1];
  }
 
  newCfg.img_number--;
  save_global_cfg(newCfg);
  return 0;
}
 
int
boot_cmd(int argc, char *argv[])
{
  int num;
  extern int tx_next;
 
  if(argc == 0) {
    images_info();
    return 0;
  }
 
  num = strtoul(argv[0],0,0);
  if(gcfg.img_number < num) {
    printf("There are only %lu images, you requested %d!\n", gcfg.img_number, num);
    return -1;
  }
 
  printf("Copying image number %d from 0x%lx, size: 0x%lx...",
         num, gcfg.img_start_addr[num-1], gcfg.img_length[num-1]);
 
  printf("booting...\n");
  copy_and_boot(gcfg.img_start_addr[num-1], 0x0, gcfg.img_length[num-1], tx_next);
  return 0;
}
 
int mGetData(unsigned long);
 
int sboot_cmd (int argc, char *argv[])
{
  int copied;
  unsigned int num = 0xffffffff, addr = 0x0;
 
  switch(argc) {
  case 0:
    num = 0xffffffff;
    break;
  case 1:
    num = strtoul(argv[0], 0, 0);
    break;
  }
 
  copied = mGetData(global.src_addr);
  if(copied <= 0) {
    printf("sboot: error while getting the image!");
    return -1;
  }
  printf("image size: 0x%x\n", copied);
 
  if(num != 0xffffffff) {
    addr = prepare_img_data(num, copied);
    if(addr == 0xffffffff)
      printf("Image not written to flash!\n");
    else {
      printf("Copying image to flash, image number: %d, dst_addr: 0x%x\n",
             num, addr);
      copy_memory_run(global.src_addr, gcfg.img_start_addr[num-1], copied, 2, 0xffffffff);
    }
  }
 
  return 0;
}
 
int tboot_cmd (int argc, char *argv[])
{
  int copied;
  unsigned int num = 0xffffffff, addr = 0x0;
  extern int tx_next;
 
  switch (argc) {
  case 0:
    num = 0xffffffff;
    break;
  case 1:
    printf("argv[0] %p\n", argv[0]);
    num = strtoul(argv[0], 0, 0);
    printf("num %d\n", num);
    break;
  }
 
  //  global.src_addr = (unsigned long)0x0;
 
  copied =NetLoop(TFTP);
  if (copied <= 0) {
    printf("tboot: error while getting the image '%s'",
           tftp_filename);
    return -1;
  }
 
  if(num != 0xffffffff) {
    addr = prepare_img_data(num, copied);
    if(addr == 0xffffffff)
      printf("Image not written to flash!\n");
    else {
      printf("Copying image to flash, image number: %d, dst_addr: 0x%x\n",
             num, addr);
      copy_memory_run(global.src_addr, gcfg.img_start_addr[num-1], copied, 2, 0xffffffff);
    }
  }
  /* the point of no return */
  printf("tboot: copying 0x%lx -> 0x0, image size 0x%x...\n",
         global.src_addr, copied);
 
  printf("tboot: jumping to 0x100, booting image ...\n");
  copy_and_boot(global.src_addr, 0x0, 0x0 + copied, tx_next);
  return 0;
}
 
void module_load_init (void)
{
  register_command ("tftp", "[<file> [<srv_ip> [<src_addr>]]]",  "TFTP download", tftp_cmd);
  register_command ("tftp_conf", "[ <file> [ <srv_ip> [ <src_addr>]]]", "TFTP configuration", tftp_conf_cmd);
  register_command ("copy", "[<dst_addr> [<src_addr [<length>]]]", "Copy memory", copy_cmd);
  register_command ("tboot", "[<image number>]", "Bootstrap image downloaded via tftp", tboot_cmd);
  register_command ("sboot", "[<image number>]", "Bootstrap image downloaded via serial (Y/X modem)", sboot_cmd);
  register_command ("boot", "[<image number>]", "Bootstrap image copied from flash.", boot_cmd);
  register_command ("del_image", "[<image number>]", "Delete image", del_image_cmd);
  register_command ("save_conf", "", "Save current configuration into flash", save_conf_cmd);
  register_command ("boot_flash", "[<start_addr>]", "Boot image from <start_addr> (default from flash)", boot_flash_cmd);
  init_load();
}

Browse

Tools

Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

[/] [or1k_soc_on_altera_embedded_dev_kit/] [trunk/] [soc/] [sw/] [orpmon/] [cmds/] [load.c] - Blame information for rev 20

Line No.	Rev	Author	Line
1	20	xianfeng	`#include "common.h"`
2			`#include "support.h"`
3			`#include "flash.h"`
4			`#include "net.h"`
5			`#include "uart.h"`
6			`#include "spr_defs.h"`
7
8			`#ifndef MAX_IMAGES`
9			`#define MAX_IMAGES 20`
10			`#endif`
11
12			`extern unsigned long fprog_addr;`
13			`extern char *tftp_filename;`
14
15			`static flash_cfg_struct __attribute__ ((section(".config"))) gcfg = { 0, 0, 0, 0 };`
16
17			`#define FLASH_IMAGES_BASE 0xf0300000`
18
19			`/* Buffer Address == for example internal RAM */`
20			`#define BUF_BASE_ADDR 0x00400000 - 0x00042000`
21			`#define BUF_LENGTH 4096`
22
23
24			`#define ALIGN(addr,size) ((addr + (size-1))&(~(size-1)))`
25
26			`void copy_and_boot(unsigned long src,`
27			`unsigned long dst,`
28			`unsigned long len,`
29			`int tx_next)`
30			`{`
31			`__asm__ __volatile__(" ;\`
32			`l.addi r8,r0,0x1 ;\`
33			`l.mtspr r0,r8,0x11 ;\`
34			`l.nop ;\`
35			`l.nop ;\`
36			`l.nop ;\`
37			`l.nop ;\`
38			`l.nop ;\`
39			`2: ;\`
40			`l.sfgeu r4,r5 ;\`
41			`l.bf 1f ;\`
42			`l.nop ;\`
43			`l.lwz r8,0(r3) ;\`
44			`l.sw 0(r4),r8 ;\`
45			`l.addi r3,r3,4 ;\`
46			`l.j 2b ;\`
47			`l.addi r4,r4,4 ;\`
48			`1: l.sw 0x0(r0),r6 ;\`
49			`l.ori r8,r0,0x100 ;\`
50			`l.jr r8 ;\`
51			`l.nop");`
52			`}`
53
54			`/* WARNING: stack and non-const globals should not be used in this function -- it may corrupt what have we loaded;`
55			`start_addr should be 0xffffffff if only copying should be made`
56			`no return, when start_addr != 0xffffffff, if successful */`
57			`int copy_memory_run (register unsigned long src_addr, register unsigned long dst_addr, register unsigned long length, register int erase, register unsigned long start_addr)`
58			`{`
59			`unsigned long i, flags;`
60
61			`register char dst = (char ) dst_addr;`
62			`register const char src = (const char ) src_addr;`
63
64			`if (dst_addr >= FLASH_BASE_ADDR) {`
65			`if (dst_addr + length >= FLASH_BASE_ADDR + FLASH_SIZE) {`
66			`printf ("error: region does not fit into flash.\n");`
67			`return 1;`
68			`}`
69			`#ifndef CFG_IN_FLASH`
70			`fl_program (src_addr, dst_addr, length, erase, 1 /* do verify */);`
71			`#else`
72			`/* we must disable interrupts! */`
73			`flags=mfspr(SPR_SR);`
74			`mtspr(SPR_SR,flags & ~(SPR_SR_TEE \| SPR_SR_IEE));`
75
76			`printf("Unlocking flash... ");`
77			`for(i = 0; i < length; i += FLASH_BLOCK_SIZE)`
78			`fl_ext_unlock(dst_addr + i);`
79			`printf("done\n");`
80
81			`printf("Erasing flash... ");`
82			`for(i = 0; i < length; i += FLASH_BLOCK_SIZE)`
83			`fl_ext_erase(dst_addr+i);`
84			`printf("done\n");`
85
86			`printf("Programing flash:\n\t");`
87			`for (i = 0; i < length; i += INC_ADDR) {`
88			`if(((i+INC_ADDR) % 1000) == 0)`
89			`printf("#");`
90			`if((i % (65*1000)) == 0)`
91			`printf("\n\t");`
92			`if (fl_ext_program (dst_addr + i, reg_read(src_addr + i))) {`
93			`printf("error programing at 0x%08lx!\n", dst_addr+i);`
94			`return 1;`
95			`}`
96			`}`
97			`printf("Verifying flash... ");`
98			`for(i = 0; i < length; i += INC_ADDR) {`
99			`if( reg_read(dst_addr+i) != reg_read(src_addr + i)) {`
100			`printf ("error at %08lx: %08lx != %08lx\n", src_addr + i, reg_read(src_addr + i), reg_read(dst_addr + i));`
101			`return 1;`
102			`}`
103			`}`
104			`printf("OK!\n");`
105			`mtspr(SPR_SR, flags);`
106			`#endif`
107			`if(start_addr == 0xffffffff)`
108			`return 0;`
109			`}`
110			`else {`
111			`while (length--) dst++ = src++;`
112			`if (start_addr == 0xffffffff)`
113			`return 0;`
114			`}`
115			`/* Run the program */`
116			`((void (*)(void)) start_addr)();`
117			`return 0; /* just to satisfy the cc */`
118			`}`
119
120			`void bf_jump(unsigned long addr)`
121			`{`
122			`asm("l.jr r3");`
123			`asm("l.nop 0x0");`
124			`}`
125
126			`int boot_flash_cmd(int argc, char *argv[])`
127			`{`
128			`unsigned long addr,val,jaddr;`
129			`addr = 17;`
130			`val = 0;`
131			`/* clear SR */`
132
133			`asm("l.mtspr %0,%1,0": : "r" (addr), "r" (val));`
134			`/* jump */`
135			`if(argc == 0)`
136			`bf_jump(FLASH_BASE_ADDR+0x100);`
137			`else {`
138			`jaddr = strtoul(argv[0], 0, 0);`
139			`bf_jump(jaddr);`
140			`}`
141			`return 0;`
142			`}`
143
144			`void`
145			`init_load (void)`
146			`{`
147			`#ifdef CFG_IN_FLASH`
148			`copy_memory_run((unsigned long)&fl_word_program, (unsigned long)&fprog_addr,`
149			`95, 0, 0xffffffff);`
150			`copy_memory_run((unsigned long)&fl_block_erase, (unsigned long)&fprog_addr+96,`
151			`119, 0, 0xffffffff);`
152			`copy_memory_run((unsigned long)&fl_unlock_one_block,`
153			`(unsigned long)&fprog_addr+96+120,`
154			`115, 0, 0xffffffff);`
155
156			`fl_ext_program = (t_fl_ext_program)&fprog_addr;`
157			`fl_ext_erase = (t_fl_erase)&fprog_addr+96;`
158			`fl_ext_unlock = (t_fl_erase)&fprog_addr+96+120;`
159
160			`#if 0`
161			`printf("fl_word_program(): 0x%x\tfl_ext_program(): 0x%x\n",`
162			`&fl_word_program, fl_ext_program);`
163			`printf("fl_block_erase: 0x%x\tfl_ext_erase(): 0x%x\n",`
164			`&fl_block_erase, fl_ext_erase);`
165			`printf("fl_unlock_one_block(): 0x%x\tfl_ext_unlock(): 0x%x\n",`
166			`&fl_unlock_one_block, fl_ext_unlock);`
167			`#endif`
168
169			`#else /* not CFG_IN_FLASH */`
170			`fl_ext_program = (t_fl_ext_program)&fl_word_program;`
171			`fl_ext_erase = (t_fl_erase)&fl_block_erase;`
172			`fl_ext_unlock = (t_fl_erase)&fl_unlock_one_block;`
173			`#endif /* CFG_IN_FLASH */`
174
175			`global.ip = gcfg.eth_ip;`
176			`global.gw_ip = gcfg.eth_gw;`
177			`global.mask = gcfg.eth_mask;`
178			`global.srv_ip = gcfg.tftp_srv_ip;`
179			`tftp_filename = "boot.img";`
180			`/*memcpy(tftp_filename, gcfg.tftp_filename, strlen(gcfg.tftp_filename));`
181			`tftp_filename[strlen(gcfg.tftp_filename)] = '\0';*/`
182			`}`
183
184			`int tftp_cmd (int argc, char *argv[])`
185			`{`
186			`switch (argc) {`
187			`case 0: tftp_filename = "boot.img";`
188			`break;`
189			`case 3: global.src_addr = strtoul (argv[2], 0, 0);`
190			`case 2: global.srv_ip = parse_ip (argv[1]);`
191			`case 1: tftp_filename = &argv[0][0];`
192			`break;`
193			`}`
194			`NetLoop(TFTP);`
195			`return 0;`
196			`}`
197
198			`int tftp_conf_cmd(int argc, char *argv[])`
199			`{`
200			`switch(argc) {`
201			`case 0:`
202			`printf("Image filename: %s", tftp_filename);`
203			`printf("\nSrc addr: 0x%lx", global.src_addr);`
204			`printf("\nServer IP: %s", inet_ntoa(global.srv_ip));`
205			`return 0;`
206			`case 3:`
207			`global.src_addr = strtoul(argv[2], 0, 0);`
208			`global.srv_ip = inet_aton(argv[1]);`
209			`tftp_filename = argv[0];`
210			`tftp_filename[strlen(argv[0])] = '\0';`
211			`break;`
212			`case 2:`
213			`global.srv_ip = inet_aton(argv[1]);`
214			`tftp_filename = argv[0];`
215			`break;`
216			`case 1:`
217			`tftp_filename = argv[0];`
218			`break;`
219			`}`
220			`return 0;`
221			`}`
222
223			`void save_global_cfg(flash_cfg_struct cfg)`
224			`{`
225			`unsigned long dst = (unsigned long)&gcfg, src = (unsigned long)&cfg;`
226			`unsigned long i, end, flags;`
227
228			`end = (unsigned long)&cfg + sizeof(flash_cfg_struct);`
229
230			`printf("Saving global cfg from 0x%lx (end: 0x%lx) to 0x%lx...", src, end, dst);`
231
232			`/* we must disable interrupts! */`
233			`flags=mfspr(SPR_SR);`
234			`mtspr(SPR_SR,flags & ~(SPR_SR_TEE \| SPR_SR_IEE));`
235			`/* printf("Unlocking... ");*/`
236			`for(i = 0; (src+i <= end); i += FLASH_BLOCK_SIZE) {`
237			`fl_ext_unlock(dst+i);`
238			`}`
239			`/* printf("done\n");*/`
240			`/* printf("Erasing... ");*/`
241			`for(i = 0; (src+i <= end); i += FLASH_BLOCK_SIZE)`
242			`fl_ext_erase(dst);`
243			`/* printf("done\n");*/`
244			`/* printf("Programing... ");*/`
245			`for(i = 0; (src+i <= end); i +=INC_ADDR) {`
246			`if(fl_ext_program(dst+i, reg_read(src+i))) {`
247			`printf("Error ocurred while saving.\n");`
248			`return;`
249			`}`
250			`}`
251			`printf("done\n");`
252
253			`/* and than enable it back */`
254			`mtspr(SPR_SR, flags);`
255			`return;`
256			`}`
257
258			`int save_conf_cmd(int argc, char *argv[])`
259			`{`
260			`flash_cfg_struct newCfg;`
261
262			`newCfg = gcfg;`
263
264			`newCfg.eth_ip = global.ip;`
265			`newCfg.eth_mask = global.mask;`
266			`newCfg.eth_gw = global.gw_ip;`
267			`newCfg.tftp_srv_ip = global.srv_ip;`
268			`/* memcpy(newCfg.tftp_filename, tftp_filename, strlen(tftp_filename));*/`
269
270			`save_global_cfg(newCfg);`
271			`return 0;`
272			`}`
273			`int copy_cmd (int argc, char *argv[])`
274			`{`
275			`switch (argc) {`
276			`case 3: global.src_addr = strtoul (argv[2], 0, 0);`
277			`case 2: global.length = strtoul (argv[2], 0, 0);`
278			`case 1: global.src_addr = strtoul (argv[2], 0, 0);`
279			`case 0: return copy_memory_run (global.src_addr, global.dst_addr, global.length,`
280			`global.erase_method, 0xffffffff);`
281			`}`
282			`return -1;`
283			`}`
284
285			`void`
286			`images_info(void)`
287			`{`
288			`int i;`
289			`printf("Number of images: 0x%lx\n", gcfg.img_number);`
290			`for(i = 0; i < gcfg.img_number; i++)`
291			`printf("%d. image size: 0x%lx (at 0x%08lx)\n", i+1,`
292			`gcfg.img_length[i], gcfg.img_start_addr[i]);`
293			`}`
294
295			`/*`
296			`* get_good_addr()`
297			`*`
298			`* Here we try to find the most suitable place for our image. We search for`
299			`* a hole between images, that is big enough (but as small as possible).`
300			`*`
301			`*/`
302			`unsigned long`
303			`get_good_addr(unsigned int size)`
304			`{`
305			`unsigned long start_addr[MAX_IMAGES], end_addr[MAX_IMAGES];`
306			`unsigned long free[MAX_IMAGES], st_addr[MAX_IMAGES];`
307			`unsigned long tmpval;`
308			`unsigned int i = 0, j;`
309
310			`flash_cfg_struct myCfg;`
311			`myCfg = gcfg;`
312
313			`/* we are full */`
314			`if(gcfg.img_number == MAX_IMAGES)`
315			`return 0xffffffff;`
316
317			`if(gcfg.img_number == 0)`
318			`return FLASH_IMAGES_BASE;`
319
320			`for(i = 0; i < MAX_IMAGES; i++) {`
321			`start_addr[i] = 0;`
322			`end_addr[i] = 0;`
323			`free[i] = 0;`
324			`st_addr[i] = 0;`
325			`}`
326
327			`for(i = 0; i < myCfg.img_number; i++) {`
328			`start_addr[i] = myCfg.img_start_addr[i];`
329			`end_addr[i] = ALIGN((myCfg.img_start_addr[i] + myCfg.img_length[i]),`
330			`FLASH_BLOCK_SIZE);`
331			`}`
332			`/* printf("\n");`
333			`for(i = 0; i < myCfg.img_number; i++)`
334			`printf("start: 0x%08x, end: 0x%08x\n", start_addr[i], end_addr[i]);`
335			`printf("\n");*/`
336			`/* bubble sorting by start_addr */`
337
338			`for(j = myCfg.img_number - 1; j > 0; j--)`
339			`for(i = 0; i < j; i++)`
340			`if(start_addr[i] > start_addr[i+1]) {`
341			`tmpval = start_addr[i];`
342			`start_addr[i] = start_addr[i+1];`
343			`start_addr[i+1] = tmpval;`
344			`tmpval = end_addr[i];`
345			`end_addr[i] = end_addr[i+1];`
346			`end_addr[i+1] = tmpval;`
347			`}`
348
349			`/* for(i = 0; i < myCfg.img_number; i++)`
350			`printf("start: 0x%08x, end: 0x%08x\n", start_addr[i], end_addr[i]);`
351			`printf("\n");*/`
352
353			`/* now we calculate free space betwens segments */`
354			`for(i = 1; i < myCfg.img_number; i++) {`
355			`st_addr[i] = end_addr[i - 1];`
356			`free[i] = start_addr[i] - end_addr[i - 1];`
357			`}`
358
359			`/* here we calcuta first position (starting with FLASH_IMAGES_BASE)... */`
360			`st_addr[0] = FLASH_IMAGES_BASE + 0;`
361			`free[0] = start_addr[0] - FLASH_IMAGES_BASE;`
362			`/* ... and last one (ending with FLASH_IMAGES_BASE + FLASH_SIZE). */`
363			`st_addr[myCfg.img_number] = end_addr[myCfg.img_number-1];`
364			`free[myCfg.img_number] = (FLASH_IMAGES_BASE + FLASH_SIZE) - end_addr[myCfg.img_number-1];`
365
366			`/* for(i = 0; i < myCfg.img_number+1; i++)`
367			`printf("start: 0x%08x, free: %x\n", st_addr[i], free[i]);`
368			`printf("\n");*/`
369
370			`/* yet another bubble sort by free (space) */`
371			`for(j = myCfg.img_number; j > 0; j--)`
372			`for(i = 0; i < j; i++)`
373			`if(free[i] > free[i+1]) {`
374			`tmpval = free[i];`
375			`free[i] = free[i+1];`
376			`free[i+1] = tmpval;`
377			`tmpval = st_addr[i];`
378			`st_addr[i] = st_addr[i+1];`
379			`st_addr[i+1] = tmpval;`
380			`}`
381
382			`/* for(i = 0; i < myCfg.img_number+1; i++)`
383			`printf("start: 0x%08x, free: %x\n", st_addr[i], free[i]);`
384			`printf("\n");*/`
385
386			`/* now we pick the smallest but just big enough for our size */`
387			`for(i = 0; i <= myCfg.img_number; i++)`
388			`if(free[i] >= size)`
389			`return st_addr[i];`
390
391			`/* there is not enough space (in one segment) left */`
392			`return 0;`
393			`}`
394
395			`unsigned long`
396			`prepare_img_data(unsigned int num, unsigned int size)`
397			`{`
398			`int i;`
399			`unsigned long addr=0;`
400			`flash_cfg_struct newCfg;`
401
402			`newCfg = gcfg;`
403
404			`if(newCfg.img_number >= MAX_IMAGES) {`
405			`printf("Maximum images exceeded: %d\n", MAX_IMAGES);`
406			`return 0xffffffff;`
407			`}`
408
409			`newCfg.img_number++;`
410
411			`if((num > newCfg.img_number) \|\| (num == 0))`
412			`num = newCfg.img_number;`
413
414			`addr = get_good_addr(size);`
415			`if(addr == 0x00) {`
416			`printf("Can not find suitable place in flash. (None of free segments are big enough)\n");`
417			`return 0xffffffff;`
418			`}`
419
420			`if(num < newCfg.img_number)`
421			`for(i=newCfg.img_number-1; i >= num; i--) {`
422			`newCfg.img_length[i] = newCfg.img_length[i-1];`
423			`newCfg.img_start_addr[i] = newCfg.img_start_addr[i-1];`
424			`}`
425
426			`newCfg.img_length[num-1] = size;`
427			`newCfg.img_start_addr[num-1] = addr;`
428
429			`save_global_cfg(newCfg);`
430			`return addr;`
431			`}`
432
433			`int`
434			`del_image_cmd(int argc, char *argv[])`
435			`{`
436			`unsigned num, i;`
437			`flash_cfg_struct newCfg = gcfg;`
438
439			`newCfg.img_number = gcfg.img_number;`
440			`for(i = 0; i < MAX_IMAGES; i++)`
441			`newCfg.img_length[i] = gcfg.img_length[i];`
442
443			`printf("Number of images available: 0x%lx\n", newCfg.img_number);`
444
445			`if(argc == 0) {`
446			`newCfg.img_number = 0;`
447			`for(i = 0; i < MAX_IMAGES; i++) {`
448			`newCfg.img_length[i] = 0;`
449			`newCfg.img_start_addr[i] = 0;`
450			`}`
451			`save_global_cfg(newCfg);`
452			`return 0;`
453			`}`
454			`else {`
455			`num = strtoul(argv[0], 0, 0);`
456			`}`
457
458			`if(newCfg.img_number == 0) {`
459			`printf("Nothing to delete!\n");`
460			`return 0;`
461			`}`
462			`if((num == 0) \|\| (num > newCfg.img_number))`
463			`num = newCfg.img_number;`
464
465			`for(i=num-1; i < newCfg.img_number; i++) {`
466			`newCfg.img_length[i] = newCfg.img_length[i+1];`
467			`newCfg.img_start_addr[i] = newCfg.img_start_addr[i+1];`
468			`}`
469
470			`newCfg.img_number--;`
471			`save_global_cfg(newCfg);`
472			`return 0;`
473			`}`
474
475			`int`
476			`boot_cmd(int argc, char *argv[])`
477			`{`
478			`int num;`
479			`extern int tx_next;`
480
481			`if(argc == 0) {`
482			`images_info();`
483			`return 0;`
484			`}`
485
486			`num = strtoul(argv[0],0,0);`
487			`if(gcfg.img_number < num) {`
488			`printf("There are only %lu images, you requested %d!\n", gcfg.img_number, num);`
489			`return -1;`
490			`}`
491
492			`printf("Copying image number %d from 0x%lx, size: 0x%lx...",`
493			`num, gcfg.img_start_addr[num-1], gcfg.img_length[num-1]);`
494
495			`printf("booting...\n");`
496			`copy_and_boot(gcfg.img_start_addr[num-1], 0x0, gcfg.img_length[num-1], tx_next);`
497			`return 0;`
498			`}`
499
500			`int mGetData(unsigned long);`
501
502			`int sboot_cmd (int argc, char *argv[])`
503			`{`
504			`int copied;`
505			`unsigned int num = 0xffffffff, addr = 0x0;`
506
507			`switch(argc) {`
508			`case 0:`
509			`num = 0xffffffff;`
510			`break;`
511			`case 1:`
512			`num = strtoul(argv[0], 0, 0);`
513			`break;`
514			`}`
515
516			`copied = mGetData(global.src_addr);`
517			`if(copied <= 0) {`
518			`printf("sboot: error while getting the image!");`
519			`return -1;`
520			`}`
521			`printf("image size: 0x%x\n", copied);`
522
523			`if(num != 0xffffffff) {`
524			`addr = prepare_img_data(num, copied);`
525			`if(addr == 0xffffffff)`
526			`printf("Image not written to flash!\n");`
527			`else {`
528			`printf("Copying image to flash, image number: %d, dst_addr: 0x%x\n",`
529			`num, addr);`
530			`copy_memory_run(global.src_addr, gcfg.img_start_addr[num-1], copied, 2, 0xffffffff);`
531			`}`
532			`}`
533
534			`return 0;`
535			`}`
536
537			`int tboot_cmd (int argc, char *argv[])`
538			`{`
539			`int copied;`
540			`unsigned int num = 0xffffffff, addr = 0x0;`
541			`extern int tx_next;`
542
543			`switch (argc) {`
544			`case 0:`
545			`num = 0xffffffff;`
546			`break;`
547			`case 1:`
548			`printf("argv[0] %p\n", argv[0]);`
549			`num = strtoul(argv[0], 0, 0);`
550			`printf("num %d\n", num);`
551			`break;`
552			`}`
553
554			`// global.src_addr = (unsigned long)0x0;`
555
556			`copied =NetLoop(TFTP);`
557			`if (copied <= 0) {`
558			`printf("tboot: error while getting the image '%s'",`
559			`tftp_filename);`
560			`return -1;`
561			`}`
562
563			`if(num != 0xffffffff) {`
564			`addr = prepare_img_data(num, copied);`
565			`if(addr == 0xffffffff)`
566			`printf("Image not written to flash!\n");`
567			`else {`
568			`printf("Copying image to flash, image number: %d, dst_addr: 0x%x\n",`
569			`num, addr);`
570			`copy_memory_run(global.src_addr, gcfg.img_start_addr[num-1], copied, 2, 0xffffffff);`
571			`}`
572			`}`
573			`/* the point of no return */`
574			`printf("tboot: copying 0x%lx -> 0x0, image size 0x%x...\n",`
575			`global.src_addr, copied);`
576
577			`printf("tboot: jumping to 0x100, booting image ...\n");`
578			`copy_and_boot(global.src_addr, 0x0, 0x0 + copied, tx_next);`
579			`return 0;`
580			`}`
581
582			`void module_load_init (void)`
583			`{`
584			`register_command ("tftp", "[<file> [<srv_ip> [<src_addr>]]]", "TFTP download", tftp_cmd);`
585			`register_command ("tftp_conf", "[ <file> [ <srv_ip> [ <src_addr>]]]", "TFTP configuration", tftp_conf_cmd);`
586			`register_command ("copy", "[<dst_addr> [<src_addr [<length>]]]", "Copy memory", copy_cmd);`
587			`register_command ("tboot", "[<image number>]", "Bootstrap image downloaded via tftp", tboot_cmd);`
588			`register_command ("sboot", "[<image number>]", "Bootstrap image downloaded via serial (Y/X modem)", sboot_cmd);`
589			`register_command ("boot", "[<image number>]", "Bootstrap image copied from flash.", boot_cmd);`
590			`register_command ("del_image", "[<image number>]", "Delete image", del_image_cmd);`
591			`register_command ("save_conf", "", "Save current configuration into flash", save_conf_cmd);`
592			`register_command ("boot_flash", "[<start_addr>]", "Boot image from <start_addr> (default from flash)", boot_flash_cmd);`
593			`init_load();`
594			`}`