int main(void)
{
static char buf[16];
static long size = -1;
static unsigned char *loadbuf = NULL;
char *entry_point;
void (*f)(void);
extern int buffer_start; /* リンカ・スクリプトで定義されているバッファ */
INTR_DISABLE; /* 割込み無効にする */
init();
puts("kzload (kozos boot loader) started.\n");
while (1) {
puts("kzload> "); /* prompt */
gets(buf);
if(!strcmp(buf, "load")) { /* XMODEMでのファイルのダウンロード */
loadbuf = (char *)(&buffer_start);
size = xmodem_recv(loadbuf);
wait(); /* 転送アプリが終了し端末アプリに制御が戻るまで待ち合わせる */
if(size < 0) {
puts("\nXMODEM receive error!\n");
} else {
puts("\nXMODEM receive succeeded.\n");
}
} else if(!strcmp(buf, "dump")) { /* メモリの16進ダンプ出力 */
puts("size: ");
putxval(size, 0);
puts("\n");
dump(loadbuf, size);
} else if(!strcmp(buf, "run")) { /* ELF形式ファイルの実行 */
entry_point = elf_load(loadbuf);
if(!entry_point) {
puts("run error!\n");
} else {
puts("starting from entry point: ");
putxval((unsigned long)entry_point, 0);
puts("\n");
f = (void (*)(void))entry_point;
/* ロードしたプログラムに処理を渡す */
f();
/* ここには返ってこない */
}
} else {
puts("unknown command.\n");
}
}
return 0;
}
int main(void)
{
static char buf[16];
static long size = -1;
static unsigned char *loadbuf = NULL;
char *entry_point;
void (*f)(void);
extern int buffer_start;
INTR_DISABLE;
init();
puts("kzload (kozos boot loader) started.\n");
while (1) {
puts("kzload> ");
gets(buf);
if (!strcmp(buf, "load")) {
loadbuf = (char *)&buffer_start;
size = xmodem_recv(loadbuf);
wait();
if (size < 0) {
puts("\nXMODEM receive error!\n");
} else {
puts("\nXMODEM receive succeeded.\n");
}
} else if (!strcmp(buf, "dump")) {
puts("size: ");
putxval(size, 0);
puts("\n");
dump(loadbuf, size);
} else if (!strcmp(buf, "run")) {
entry_point = elf_load(loadbuf);
if (!entry_point) {
puts("run error\n");
} else {
puts("starting from entry point: ");
putxval((unsigned long)entry_point, 0);
puts("\n");
f = (void (*)(void))entry_point;
f();
/* not reach here */
}
} else {
puts("unknown.\n");
}
}
return 0;
}
void loadx(int argc, char *argv[])
{
char * p = (char *)DOWN_BIN_ADDR;
if (argc >= 2)
p = (char *)atoi(argv[1]);
printf("load bin file by xmodem to address 0x%x\n", (int)p);
xmodem_recv(p);
printf("\nloadx finished! \n");
}
int main(void)
{
static char buf[16];
static long size = -1;
static unsigned char *loadbuf = NULL;
extern int buffer_start; /* This buffer is defined in the linker script */
char *entry_point;
void (*f)(void);
INTR_DISABLE; /* disable interruption */
init();
puts("Hello World!\n");
puts("kzload (kozos boot loader) started.\n");
while (1) {
puts("kzload> "); /* display of prompt */
gets(buf); /* receipt of commands via serial */
if (!strcmp(buf, "load")) { /* file download in XMODEM */
loadbuf = (char *)(&buffer_start);
size = xmodem_recv(loadbuf);
wait(); /* Wait until transfer application terminates and terminal console can be controled. */
if (size < 0) {
puts("\nXMODEM receive error!\n");
} else {
puts("\nXMODEM receive succeeded.\n");
}
} else if (!strcmp(buf, "dump")) { /* hexadecimal dump of a memory */
puts("size: ");
putxval(size, 0);
puts("\n");
dump(loadbuf, size);
} else if (!strcmp(buf, "run")) { /* execute ELF files */
entry_point = elf_load(loadbuf); /* load ELF files to a memory */
if (!entry_point) {
puts("run error!\n");
} else {
puts("starting from entry point: ");
putxval((unsigned long)entry_point, 0);
puts("\n");
f = (void (*)(void))entry_point;
f(); /* operation is switched to the loaded program at this point */
}
} else {
puts("unknown.\n");
}
}
return 0;
}
int main(
void
)
{
static char buf[16];
static long size = -1;
static unsigned char* loadbuf = NULL;
extern int buffer_start; /* buffer defined at ld.scr */
init();
puts("kzload (kozos boot loader) started.\n");
while(1)
{
puts("kzload> ");
gets(buf);
if(strcmp(buf, "load") == 0)
{
loadbuf = (char*)(&buffer_start);
size = xmodem_recv(loadbuf);
wait();
if(size < 0)
{
puts("\nXMODEM receive error!\n");
}
else
{
puts("\nXMODEM receive succeeded.\n");
}
}
else if(strcmp(buf, "dump") == 0)
{
puts("size: ");
putxval(size, 0);
puts("\n");
dump(loadbuf, size);
}
else if(strcmp(buf, "run") == 0)
{
elf_load(loadbuf);
}
else
{
puts("unknown.\n");
}
}
return 0;
}
static int receive_program(unsigned char* buf){
unsigned char *loadbuf = (unsigned char*)buf;
long size = xmodem_recv(loadbuf);
wait(300000);
if( size < 0 ){ //受信失敗
puts("\nXMODEM receive error!\n");
return -1;
}
puts("\nXMODEM receive success!\n");
return size;
}
int32
command_load (void)
{
size = xmodem_recv (xmodem_recv_buffer_start_address);
if (size < 0)
{
put_string ("\nXMODEM receive error!\n");
}
else
{
put_string ("\nXMODEM receive succeeded.\n");
}
return size;
}
void loadx(int argc, char * argv[])
{
int addr = DOWNLOAD_ADDR;
int size = 0;
printf("loadx usage: loadx 0x31000000 \n");
if (argc > 1)
{
addr = atoi(argv[1]);
}
size = xmodem_recv(addr);
printf("loadx to addr 0x%x, total size 0x%x \n", addr, size);
}
void load_start( void )
{
extern int buffer_start; /* リンカ・スクリプトで定義されているバッファ */
loadbuf = (char *)(&buffer_start);
size = xmodem_recv(loadbuf);
wait(); /* 転送アプリが終了し端末アプリに制御が戻るまで待ち合わせる */
if (size < 0) {
puts("\nXMODEM receive error!\n");
} else {
puts("os size : 0x");
putxval( size, 0 );
puts("\nstored os address: 0x");
putxval( (uint32)loadbuf, 8);
puts("\nXMODEM receive succeeded.\n");
}
}
int main(void)
{
static char buf[16];
static long size = -1;
static unsigned char *loadbuf = NULL;
extern int buffer_start; /* リンカ・スクリプトで定義されているバッファ */
init();
puts("kzload (kozos boot loader) started.\n");
while (1) {
puts("kzload> "); /* プロンプト表示 */
gets(buf); /* シリアルからのコマンド受信 */
if (!strcmp(buf, "load")) { /* XMODEMでのファイルのダウンロード */
loadbuf = (char *)(&buffer_start);
size = xmodem_recv(loadbuf);
wait(); /* 転送アプリが終了し端末アプリに制御が戻るまで待ち合わせる */
if (size < 0) {
puts("\nXMODEM receive error!\n");
} else {
puts("\nXMODEM receive succeeded.\n");
}
} else if (!strcmp(buf, "dump")) { /* メモリの16進ダンプ出力 */
puts("size: ");
putxval(size, 0);
puts("\n");
dump(loadbuf, size);
} else if (!strcmp(buf, "run")) { /* ELF形式ファイルの実行 */
elf_load(loadbuf); /* メモリ上に展開(ロード) */
} else {
puts("unknown.\n");
}
}
return 0;
}
int main(void) {
static char buf[16];
static long size = -1;
static unsigned char *loadbuf = NULL;
static char *entry_point;
void (*f)(void);
extern int buffer_start; // バッファ領域を指すシンボル。リンカスクリプトで定義されている。
INTR_DISABLE;
init();
puts("kzload (kozos boot loader) started.\n");
while (1) {
puts("kzload> ");
gets(buf); // シリアルからのコマンド受信。
if (!strcmp(buf, "load")) { // XMODEMでのダウンロード
loadbuf = (char *)(&buffer_start);
size = xmodem_recv(loadbuf);
wait();
if (size < 0) {
puts("\nXMODEM receive error!\n");
} else {
puts("\nXMODEM receive succeeded.\n");
}
} else if (!strcmp(buf, "dump")) { // メモリの16進ダンプ
puts("size: ");
putxval(size, 0);
puts("\n");
dump(loadbuf, size);
} else if (!strcmp(buf, "run")) { // ELF形式ファイルの実行
entry_point = elf_load(loadbuf); // メモリ上に展開
if (!entry_point) {
puts("run error!\n");
} else {
puts("starting from entry point: ");
putxval((unsigned long)entry_point, 0);
puts("\n");
f = (void (*)(void))entry_point;
f(); // ロードしたプログラムに処理を渡す
// ここには基本的に到達しない
}
} else {
puts("unknown.\n");
}
}
printval();
puts("overwrite variables.\n");
global_data = 0x20;
global_bss = 0x30;
static_data = 0x40;
static_bss = 0x50;
printval();
while(1)
;
return 0;
}
