Sun Microsystems CP2500 manual Code Example 3-6Sample User Flash Application Program

CODE EXAMPLE 3-6Sample User Flash Application Program (Continued)

#if 1

#define PROM_SIZE 0x700000 /* 7 MBytes */ #endif

static char *help[14]		= {
	"0 -- read	user flash PROM",
	"1 -- write	user flash PROM",
	"2 -- identify	user flash PROM",
	"3 -- query	blocks",
	"4 -- lock	blocks",
	"5 -- clear	all locks",
	"6 -- erase	blocks",
	"q -- quit",
	"?/h -- display this menu",
	""
};
/*char	get_cmd(); */

static char get_cmd()

{

char buf[10]; gets(buf); return (buf[0]);

}

/*

*Main

*/

main(int argc, char *argv[])

{

int	n_byte;	/* returned from pread/pwrite */
int	size, offset, pat;
int	fd0, h, i;
int	fd, prom_id;
uflash_if_t uflash_if;
caddr_t	r_buf, w_buf;
char	*devname0 = "/dev/uflash0";
char	c;

r_buf = (caddr_t)malloc(PROM_SIZE); w_buf = (caddr_t)malloc(PROM_SIZE);

/*

*Open the user flash PROM.

*/

54 Netra CP2500 Board Programming Guide • March 2007