From 49ab747f668f421138d5b40d83fa279c4c5e278d Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Fri, 1 Mar 2013 13:59:19 +0100 Subject: hw: move target-independent files to subdirectories This patch tackles all files that are compiled once, moving them to subdirectories of hw/. Signed-off-by: Paolo Bonzini --- hw/isa/apm.c | 102 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 102 insertions(+) create mode 100644 hw/isa/apm.c (limited to 'hw/isa/apm.c') diff --git a/hw/isa/apm.c b/hw/isa/apm.c new file mode 100644 index 0000000000..5f21d21473 --- /dev/null +++ b/hw/isa/apm.c @@ -0,0 +1,102 @@ +/* + * 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 + * + * Contributions after 2012-01-13 are licensed under the terms of the + * GNU GPL, version 2 or (at your option) any later version. + */ + +#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; + APM_DPRINTF("apm_ioport_writeb addr=0x%x val=0x%02x\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; + } + APM_DPRINTF("apm_ioport_readb addr=0x%x val=0x%02x\n", addr, val); + return val; +} + +const VMStateDescription vmstate_apm = { + .name = "APM State", + .version_id = 1, + .minimum_version_id = 1, + .minimum_version_id_old = 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, &apm_ops, apm, "apm-io", 2); + memory_region_add_subregion(pci_address_space_io(dev), APM_CNT_IOPORT, + &apm->io); +} -- cgit v1.2.3