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_write working, _fstat upload/download not working

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This commit is contained in:
felsabbagh3
2019-11-12 13:39:33 -05:00
parent ef83285c6c
commit ba3722c4bb
13 changed files with 25884 additions and 25609 deletions
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33
runtime/newlib/newlib.c
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@@ -18,11 +18,17 @@
#define FILE_IO_WRITE 0x71000000
#define FILE_IO_READ 0x72000000
typedef void (*funct_t)(void);
funct_t trap_to_simulator = (funct_t) 0x70000000;
void upload(char ** ptr, char * src, int size)
{
char * drain = *ptr;
*drain = size;
*((int *) drain) = size;
drain += 4;
@@ -66,11 +72,29 @@ int _fstat(int file, struct stat * st)
upload((char **) &write_buffer, (char *) &cmd_id, sizeof(int));
upload((char **) &write_buffer, (char *) &file , sizeof(int));
vx_fstat();
trap_to_simulator();
char * read_buffer = (char *) FILE_IO_READ;
download((char **) &read_buffer, (char *) st);
struct stat newSt;
download((char **) &read_buffer, (char *) &st);
// st->st_mode = S_IFCHR;
vx_printf("st_mode: ", st->st_mode);
vx_printf("st_dev: ", st->st_dev);
vx_printf("st_ino: ", st->st_ino);
vx_printf("st_uid: ", st->st_uid);
vx_printf("st_gid: ", st->st_gid);
vx_printf("st_rdev: ", st->st_rdev);
vx_printf("st_size: ", st->st_size);
vx_printf("st_blksize: ", st->st_blksize);
vx_printf("st_blocks: ", st->st_blocks);
// st->st_mode = newSt.st_mode;
return 0;
}
int _isatty (int file)
@@ -100,11 +124,10 @@ int _write (int file, char *buf, int 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);
vx_write();
trap_to_simulator();
// int i;