#include <sys/types.h>

#include <machine/sysarch.h>
#include <machine/cpufunc.h>

#include <stdio.h>
#include <stdlib.h>
#include <assert.h>

int
main(int argc, char *argv[])
{
	struct i386_ioperm_args ioperm;
	int error, i, port;

	for (i = 1; i < argc; i++) {
		port = strtol(argv[i], NULL, 0);
		ioperm.start = port;
		ioperm.length = 1;
		ioperm.enable = 1;

		error = sysarch(I386_SET_IOPERM, &ioperm);
		if (error) {
			perror("i386_set_ioperm");
			exit(1);
		}
	}

	port = 0;
	while (port < 65536) {
		ioperm.start = port;
		ioperm.length = -1;

		error = sysarch(I386_GET_IOPERM, &ioperm);
		if (error) {
			perror("i386_set_ioperm");
			exit(1);
		}

		assert(ioperm.length >= 0);
		if (ioperm.length == 0) {
			break;
		}

		if (ioperm.enable) {
			printf("Enabled: 0x%04x - 0x%04x\n", ioperm.start,
			    ioperm.start + ioperm.length - 1);
		}
		port += ioperm.length;
	}

	for (i = 1; i < argc; i++) {
		port = strtol(argv[i], NULL, 0);
		printf("inb[%d] = 0x%02x\n", port, inb(port));
		outb(port, 0xA5);
	}
}