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Fixed error

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This commit is contained in:
fares
2019-11-18 13:45:49 -05:00
parent c09a15069b
commit dcf9cd3c80
20 changed files with 338075 additions and 197126 deletions
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92
runtime/newlib/newlib.c
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@@ -14,6 +14,7 @@
#define READ 4
#define WRITE 5
#define FSTAT 6
#define OPEN 7
#define FILE_IO_WRITE 0x71000000
#define FILE_IO_READ 0x72000000
@@ -30,13 +31,18 @@ void upload(char ** ptr, char * src, int size)
{
char * drain = *ptr;
// *((int *) drain) = size;
char * size_ptr = (char *) size;
char * size_ptr = (char *) &size;
drain[0] = size_ptr[0];
drain[1] = size_ptr[1];
drain[2] = size_ptr[2];
drain[3] = size_ptr[3];
// vx_printf("size: ", (unsigned) size);
// vx_printf("drain_ptr: ", (unsigned) drain);
drain += 4;
@@ -46,6 +52,11 @@ void upload(char ** ptr, char * src, int size)
drain += 1;
}
unsigned drain_val = (unsigned) drain;
drain_val += (drain_val%4);
drain = (char *) drain_val;
*ptr = drain;
}
@@ -74,12 +85,17 @@ void download(char ** ptr, char * drain)
src += 1;
}
unsigned src_val = (unsigned) src;
src_val += (src_val%4);
src = (char *) src_val;
*ptr = src;
}
void _close()
{
//vx_print_str("Hello from _close\n");
vx_print_str("Hello from _close\n");
}
int _fstat(int file, struct stat * st)
@@ -111,9 +127,8 @@ int _fstat(int file, struct stat * st)
// download((char **) &read_buffer, (char *) &value);
// st->st_blocks = value;
//vx_print_str("Hello from fstat\n");
st->st_mode = S_IFCHR;
// st->st_mode = 33279;
vx_print_str("Hello from fstat\n");
// // st->st_mode = 33279;
// vx_printf("st_mode: ", st->st_mode);
// vx_printf("st_dev: ", st->st_dev);
@@ -125,52 +140,54 @@ int _fstat(int file, struct stat * st)
// vx_printf("st_blksize: ", st->st_blksize);
// vx_printf("st_blocks: ", st->st_blocks);
st->st_mode = S_IFCHR;
return 0;
}
int _isatty (int file)
{
//vx_print_str("Hello from _isatty\n");
vx_print_str("Hello from _isatty\n");
return 1;
}
void _lseek()
{
//vx_print_str("Hello from _lseek\n");
vx_print_str("Hello from _lseek\n");
}
void _read()
{
//vx_print_str("Hello from _read\n");
vx_print_str("Hello from _read\n");
}
int _write (int file, char *buf, int nbytes)
{
// char * write_buffer = (char *) FILE_IO_WRITE;
char * write_buffer = (char *) FILE_IO_WRITE;
// int cmd_id = WRITE;
int cmd_id = WRITE;
// upload((char **) &write_buffer, (char *) &cmd_id, sizeof(int));
// upload((char **) &write_buffer, (char *) &file , sizeof(int));
// upload((char **) &write_buffer, (char *) buf , nbytes);
upload((char **) &write_buffer, (char *) &cmd_id, sizeof(int));
upload((char **) &write_buffer, (char *) &file , sizeof(int));
upload((char **) &write_buffer, (char *) buf , nbytes);
// trap_to_simulator();
trap_to_simulator();
//vx_print_str("Hello from _write\n");
vx_print_str("Hello from _write\n");
int i;
// int i;
unsigned int volatile * const print_addr = (unsigned int *) 0x00010000;
// unsigned int volatile * const print_addr = (unsigned int *) 0x00010000;
for (i = 0; i < nbytes; i++)
{
(*print_addr) = buf[i];
}
// for (i = 0; i < nbytes; i++)
// {
// (*print_addr) = buf[i];
// }
return nbytes;
@@ -219,18 +236,37 @@ void * _sbrk (int nbytes)
void _exit(int val)
{
//vx_print_str("Hello from exit\n");
vx_print_str("Hello from exit\n");
vx_tmc(0);
}
void _open()
int _open(const char *name, int flags, int mode)
{
//vx_print_str("ERROR: _open not yet implemented\n");
// vx_print_str("ERROR: _open not yet implemented\n");
// char * write_buffer = (char *) FILE_IO_WRITE;
// int cmd_id = OPEN;
// upload((char **) &write_buffer, (char *) &cmd_id, sizeof(int));
// upload((char **) &write_buffer, (char *) &name, sizeof (char *));
// upload((char **) &write_buffer, (char *) &flags , sizeof(int));
// upload((char **) &write_buffer, (char *) & mode , nbytes);
// trap_to_simulator();
vx_print_str("Hello from _write\n");
return 0;
}
void _kill()
{
//vx_print_str("ERROR: _kill not yet implemented\n");
vx_print_str("ERROR: _kill not yet implemented\n");
}
unsigned _getpid()
@@ -240,21 +276,21 @@ unsigned _getpid()
void _unlink()
{
//vx_print_str("ERROR: _unlink not yet implemented\n");
vx_print_str("ERROR: _unlink not yet implemented\n");
}
static int curr_time = 0;
int _gettimeofday()
{
//vx_print_str("ERROR: _gettimeofday not yet implemented\n");
vx_print_str("ERROR: _gettimeofday not yet implemented\n");
return curr_time++;
}
void _link()
{
//vx_print_str("ERROR: _link not yet implemented\n");
vx_print_str("ERROR: _link not yet implemented\n");
}