qemu/hw/isa/apm.c

104 lines
2.8 KiB
C
Raw Normal View History

/*
* QEMU PC APM controller Emulation
* This is split out from acpi.c
*
* Copyright (c) 2006 Fabrice Bellard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2 as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>
*
* Contributions after 2012-01-13 are licensed under the terms of the
* GNU GPL, version 2 or (at your option) any later version.
*/
#include "qemu/osdep.h"
#include "hw/isa/apm.h"
#include "hw/hw.h"
#include "hw/pci/pci.h"
//#define DEBUG
#ifdef DEBUG
# define APM_DPRINTF(format, ...) printf(format, ## __VA_ARGS__)
#else
# define APM_DPRINTF(format, ...) do { } while (0)
#endif
/* fixed I/O location */
#define APM_CNT_IOPORT 0xb2
#define APM_STS_IOPORT 0xb3
static void apm_ioport_writeb(void *opaque, hwaddr addr, uint64_t val,
unsigned size)
{
APMState *apm = opaque;
addr &= 1;
Fix debug print warning Steps: 1.enable qemu debug print, using simply scprit as below: grep "//#define DEBUG" * -rl | xargs sed -i "s/\/\/#define DEBUG/#define DEBUG/g" 2. make -j 3. get some warning: hw/i2c/pm_smbus.c: In function 'smb_ioport_writeb': hw/i2c/pm_smbus.c:142: warning: format '%04x' expects type 'unsigned int', but argument 2 has type 'hwaddr' hw/i2c/pm_smbus.c:142: warning: format '%02x' expects type 'unsigned int', but argument 3 has type 'uint64_t' hw/i2c/pm_smbus.c: In function 'smb_ioport_readb': hw/i2c/pm_smbus.c:209: warning: format '%04x' expects type 'unsigned int', but argument 2 has type 'hwaddr' hw/intc/i8259.c: In function 'pic_ioport_read': hw/intc/i8259.c:373: warning: format '%02x' expects type 'unsigned int', but argument 2 has type 'hwaddr' hw/input/pckbd.c: In function 'kbd_write_command': hw/input/pckbd.c:232: warning: format '%02x' expects type 'unsigned int', but argument 2 has type 'uint64_t' hw/input/pckbd.c: In function 'kbd_write_data': hw/input/pckbd.c:333: warning: format '%02x' expects type 'unsigned int', but argument 2 has type 'uint64_t' hw/isa/apm.c: In function 'apm_ioport_writeb': hw/isa/apm.c:44: warning: format '%x' expects type 'unsigned int', but argument 2 has type 'hwaddr' hw/isa/apm.c:44: warning: format '%02x' expects type 'unsigned int', but argument 3 has type 'uint64_t' hw/isa/apm.c: In function 'apm_ioport_readb': hw/isa/apm.c:67: warning: format '%x' expects type 'unsigned int', but argument 2 has type 'hwaddr' hw/timer/mc146818rtc.c: In function 'cmos_ioport_write': hw/timer/mc146818rtc.c:394: warning: format '%02x' expects type 'unsigned int', but argument 3 has type 'uint64_t' hw/i386/pc.c: In function 'port92_write': hw/i386/pc.c:479: warning: format '%02x' expects type 'unsigned int', but argument 2 has type 'uint64_t' Fix them. Cc: qemu-trivial@nongnu.org Signed-off-by: Gonglei <arei.gonglei@huawei.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-08-25 06:01:27 +04:00
APM_DPRINTF("apm_ioport_writeb addr=0x%" HWADDR_PRIx
" val=0x%02" PRIx64 "\n", addr, val);
if (addr == 0) {
apm->apmc = val;
if (apm->callback) {
(apm->callback)(val, apm->arg);
}
} else {
apm->apms = val;
}
}
static uint64_t apm_ioport_readb(void *opaque, hwaddr addr, unsigned size)
{
APMState *apm = opaque;
uint32_t val;
addr &= 1;
if (addr == 0) {
val = apm->apmc;
} else {
val = apm->apms;
}
Fix debug print warning Steps: 1.enable qemu debug print, using simply scprit as below: grep "//#define DEBUG" * -rl | xargs sed -i "s/\/\/#define DEBUG/#define DEBUG/g" 2. make -j 3. get some warning: hw/i2c/pm_smbus.c: In function 'smb_ioport_writeb': hw/i2c/pm_smbus.c:142: warning: format '%04x' expects type 'unsigned int', but argument 2 has type 'hwaddr' hw/i2c/pm_smbus.c:142: warning: format '%02x' expects type 'unsigned int', but argument 3 has type 'uint64_t' hw/i2c/pm_smbus.c: In function 'smb_ioport_readb': hw/i2c/pm_smbus.c:209: warning: format '%04x' expects type 'unsigned int', but argument 2 has type 'hwaddr' hw/intc/i8259.c: In function 'pic_ioport_read': hw/intc/i8259.c:373: warning: format '%02x' expects type 'unsigned int', but argument 2 has type 'hwaddr' hw/input/pckbd.c: In function 'kbd_write_command': hw/input/pckbd.c:232: warning: format '%02x' expects type 'unsigned int', but argument 2 has type 'uint64_t' hw/input/pckbd.c: In function 'kbd_write_data': hw/input/pckbd.c:333: warning: format '%02x' expects type 'unsigned int', but argument 2 has type 'uint64_t' hw/isa/apm.c: In function 'apm_ioport_writeb': hw/isa/apm.c:44: warning: format '%x' expects type 'unsigned int', but argument 2 has type 'hwaddr' hw/isa/apm.c:44: warning: format '%02x' expects type 'unsigned int', but argument 3 has type 'uint64_t' hw/isa/apm.c: In function 'apm_ioport_readb': hw/isa/apm.c:67: warning: format '%x' expects type 'unsigned int', but argument 2 has type 'hwaddr' hw/timer/mc146818rtc.c: In function 'cmos_ioport_write': hw/timer/mc146818rtc.c:394: warning: format '%02x' expects type 'unsigned int', but argument 3 has type 'uint64_t' hw/i386/pc.c: In function 'port92_write': hw/i386/pc.c:479: warning: format '%02x' expects type 'unsigned int', but argument 2 has type 'uint64_t' Fix them. Cc: qemu-trivial@nongnu.org Signed-off-by: Gonglei <arei.gonglei@huawei.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-08-25 06:01:27 +04:00
APM_DPRINTF("apm_ioport_readb addr=0x%" HWADDR_PRIx " val=0x%02x\n", addr, val);
return val;
}
const VMStateDescription vmstate_apm = {
.name = "APM State",
.version_id = 1,
.minimum_version_id = 1,
.fields = (VMStateField[]) {
VMSTATE_UINT8(apmc, APMState),
VMSTATE_UINT8(apms, APMState),
VMSTATE_END_OF_LIST()
}
};
static const MemoryRegionOps apm_ops = {
.read = apm_ioport_readb,
.write = apm_ioport_writeb,
.impl = {
.min_access_size = 1,
.max_access_size = 1,
},
};
void apm_init(PCIDevice *dev, APMState *apm, apm_ctrl_changed_t callback,
void *arg)
{
apm->callback = callback;
apm->arg = arg;
/* ioport 0xb2, 0xb3 */
memory_region_init_io(&apm->io, OBJECT(dev), &apm_ops, apm, "apm-io", 2);
memory_region_add_subregion(pci_address_space_io(dev), APM_CNT_IOPORT,
&apm->io);
}