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Act as an entropy source for rnd(4).

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This commit is contained in:
bjh21 2001-07-02 23:49:17 +00:00
parent 659b8ab115
commit c6c9e5d915
1 changed files with 20 additions and 2 deletions
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22
sys/arch/arm26/ioc/arckbd.c
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@ -1,4 +1,4 @@
/* $NetBSD: arckbd.c,v 1.13 2001/06/12 15:17:17 wiz Exp $ */
/* $NetBSD: arckbd.c,v 1.14 2001/07/02 23:49:17 bjh21 Exp $ */
/*-
* Copyright (c) 1998, 1999, 2000 Ben Harris
* All rights reserved.
@ -43,7 +43,7 @@
#include <sys/param.h>
__RCSID("$NetBSD: arckbd.c,v 1.13 2001/06/12 15:17:17 wiz Exp $");
__RCSID("$NetBSD: arckbd.c,v 1.14 2001/07/02 23:49:17 bjh21 Exp $");
#include <sys/device.h>
#include <sys/errno.h>
@ -70,6 +70,11 @@ __RCSID("$NetBSD: arckbd.c,v 1.13 2001/06/12 15:17:17 wiz Exp $");
#include "locators.h"
#include "rnd.h"
#if NRND > 0
#include <sys/rnd.h>
#endif
/* #define ARCKBD_DEBUG */
enum arckbd_state {
@ -138,6 +143,9 @@ struct arckbd_softc {
struct evcnt sc_xev;
struct irq_handler *sc_rirq;
struct evcnt sc_rev;
#if NRND > 0
rndsource_element_t sc_rnd_source;
#endif
};
#define AKF_WANTKBD 0x01
@ -244,6 +252,10 @@ arckbd_attach(struct device *parent, struct device *self, void *aux)
printf("\n");
#if NRND > 0
rnd_attach_source(&sc->sc_rnd_source, self->dv_xname, RND_TYPE_TTY, 0);
#endif
/* Attach the dummy drivers */
aka.aka_wskbdargs.console = 1; /* XXX FIXME */
aka.aka_wskbdargs.keymap = &sc->sc_mapdata;
@ -528,6 +540,9 @@ arckbd_mousemoved(struct device *self, int byte1, int byte2)
struct arckbd_softc *sc = (void *)self;
int dx, dy;
#if NRND > 0
rnd_add_uint32(&sc->sc_rnd_source, byte1);
#endif
if (sc->sc_wsmousedev != NULL) {
/* deltas are 7-bit signed */
dx = byte1 < 0x40 ? byte1 : byte1 - 0x80;
@ -545,6 +560,9 @@ arckbd_keyupdown(struct device *self, int byte1, int byte2)
u_int type;
int value;
#if NRND > 0
rnd_add_uint32(&sc->sc_rnd_source, byte1);
#endif
if ((byte1 & 0x0f) == 7) {
/* Mouse button event */
/*