Provide a very basic stub for the 8042 PS/2 keyboard controller.
Reviewed by: jhb Approved by: neel (co-mentor)
This commit is contained in:
parent
53f4b0cf9b
commit
d42ea5731e
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=264916
@ -9,6 +9,7 @@ DEBUG_FLAGS= -g -O0
|
||||
MAN= bhyve.8
|
||||
|
||||
SRCS= \
|
||||
atkbdc.c \
|
||||
acpi.c \
|
||||
bhyverun.c \
|
||||
block_if.c \
|
||||
|
85
usr.sbin/bhyve/atkbdc.c
Normal file
85
usr.sbin/bhyve/atkbdc.c
Normal file
@ -0,0 +1,85 @@
|
||||
/*-
|
||||
* Copyright (c) 2014 Tycho Nightingale <tycho.nightingale@pluribusnetworks.com>
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#include <sys/cdefs.h>
|
||||
__FBSDID("$FreeBSD$");
|
||||
|
||||
#include <sys/types.h>
|
||||
|
||||
#include <machine/vmm.h>
|
||||
|
||||
#include <stdio.h>
|
||||
|
||||
#include "inout.h"
|
||||
#include "pci_lpc.h"
|
||||
|
||||
#define KBD_DATA_PORT 0x60
|
||||
|
||||
#define KBD_STS_CTL_PORT 0x64
|
||||
#define KDB_SYS_FLAG 0x4
|
||||
|
||||
#define KBDC_RESET 0xfe
|
||||
|
||||
static int
|
||||
atkbdc_data_handler(struct vmctx *ctx, int vcpu, int in, int port, int bytes,
|
||||
uint32_t *eax, void *arg)
|
||||
{
|
||||
if (bytes != 1)
|
||||
return (INOUT_ERROR);
|
||||
|
||||
*eax = 0;
|
||||
|
||||
return (INOUT_OK);
|
||||
}
|
||||
|
||||
static int
|
||||
atkbdc_sts_ctl_handler(struct vmctx *ctx, int vcpu, int in, int port,
|
||||
int bytes, uint32_t *eax, void *arg)
|
||||
{
|
||||
int retval;
|
||||
|
||||
if (bytes != 1)
|
||||
return (INOUT_ERROR);
|
||||
|
||||
retval = INOUT_OK;
|
||||
if (in) {
|
||||
*eax = KDB_SYS_FLAG; /* system passed POST */
|
||||
} else {
|
||||
switch (*eax) {
|
||||
case KBDC_RESET: /* Pulse "reset" line. */
|
||||
retval = INOUT_RESET;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return (retval);
|
||||
}
|
||||
|
||||
INOUT_PORT(atkdbc, KBD_DATA_PORT, IOPORT_F_INOUT, atkbdc_data_handler);
|
||||
SYSRES_IO(KBD_DATA_PORT, 1);
|
||||
INOUT_PORT(atkbdc, KBD_STS_CTL_PORT, IOPORT_F_INOUT,
|
||||
atkbdc_sts_ctl_handler);
|
||||
SYSRES_IO(KBD_STS_CTL_PORT, 1);
|
@ -281,10 +281,6 @@ vmexit_inout(struct vmctx *ctx, struct vm_exit *vme, int *pvcpu)
|
||||
if (vme->u.inout.string || vme->u.inout.rep)
|
||||
return (VMEXIT_ABORT);
|
||||
|
||||
/* Special case of guest reset */
|
||||
if (out && port == 0x64 && (uint8_t)eax == 0xFE)
|
||||
return (vmexit_catch_reset());
|
||||
|
||||
/* Extra-special case of host notifications */
|
||||
if (out && port == GUEST_NIO_PORT)
|
||||
return (vmexit_handle_notify(ctx, vme, pvcpu, eax));
|
||||
|
Loading…
Reference in New Issue
Block a user