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#include "inc.h"
char buf_buf[BUF_SIZE + CLICK_SIZE];
endpoint_t ep_granter;
int gid;
char *buf;
/*===========================================================================*
* test *
*===========================================================================*/
int test(size_t size)
{
u32_t low1, high1;
u32_t low2, high2;
int r;
/* Timing. */
read_tsc(&high1, &low1);
r = sys_safecopyfrom(ep_granter, gid, 0, (long)buf, size);
read_tsc(&high2, &low2);
if(r != OK) {
printf("REQUESTOR: error in safecopy: %d\n", r);
return r;
}
printf("REQUESTOR: SAFECOPY 0x%-8x - %d\n", size, low2 - low1);
/* Test. */
if(buf[0] != BUF_START) {
printf("REQUESTOR: error in safecopy!\n");
printf(" size, value: %d, %d\n", size, buf[0]);
return r;
}
return OK;
}
/* SEF functions and variables. */
static void sef_local_startup(void);
/*===========================================================================*
* main *
*===========================================================================*/
int main(int argc, char **argv)
{
endpoint_t ep_self;
int fid_send, fid_get;
int i;
/* SEF local startup. */
env_setargs(argc, argv);
sef_local_startup();
/* Prepare work. */
buf = (char*) CLICK_CEIL(buf_buf);
fid_get = open(FIFO_GRANTOR, O_RDONLY);
fid_send = open(FIFO_REQUESTOR, O_WRONLY);
if(fid_get < 0 || fid_send < 0) {
printf("REQUESTOR: can't open fifo files.\n");
return 1;
}
/* Sending the endpoint to the granter, in order to let him
* create the grant.
*/
ep_self = sef_self();
write(fid_send, &ep_self, sizeof(ep_self));
dprint(("REQUESTOR: sending my endpoint: %d\n", ep_self));
/* Getting the granter's endpoint and gid. */
read(fid_get, &ep_granter, sizeof(ep_granter));
read(fid_get, &gid, sizeof(gid));
dprint(("REQUESTOR: getting granter's endpoint %d and gid %d\n",
ep_granter, gid));
/* Test SAFECOPY. */
for(i = 0; i <= TEST_PAGE_SHIFT; i++) {
if(test(1 << i) != OK)
break;
}
/* Notify grantor we are done. */
FIFO_NOTIFY(fid_send);
return 0;
}
/*===========================================================================*
* sef_local_startup *
*===========================================================================*/
static void sef_local_startup()
{
/* Let SEF perform startup. */
sef_startup();
}
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