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authorPaolo Bonzini <pbonzini@redhat.com>2013-03-01 13:59:19 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2013-04-08 18:13:12 +0200
commit49ab747f668f421138d5b40d83fa279c4c5e278d (patch)
tree943225a04eac885aed038731adf058f2250a2f40 /hw/parallel.c
parentce3b494cb504f96992f2d37ebc8f56deed202b06 (diff)
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 <pbonzini@redhat.com>
Diffstat (limited to 'hw/parallel.c')
-rw-r--r--hw/parallel.c614
1 files changed, 0 insertions, 614 deletions
diff --git a/hw/parallel.c b/hw/parallel.c
deleted file mode 100644
index 863a6fb4a9..0000000000
--- a/hw/parallel.c
+++ /dev/null
@@ -1,614 +0,0 @@
-/*
- * QEMU Parallel PORT emulation
- *
- * Copyright (c) 2003-2005 Fabrice Bellard
- * Copyright (c) 2007 Marko Kohtala
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-#include "hw/hw.h"
-#include "char/char.h"
-#include "hw/isa/isa.h"
-#include "hw/i386/pc.h"
-#include "sysemu/sysemu.h"
-
-//#define DEBUG_PARALLEL
-
-#ifdef DEBUG_PARALLEL
-#define pdebug(fmt, ...) printf("pp: " fmt, ## __VA_ARGS__)
-#else
-#define pdebug(fmt, ...) ((void)0)
-#endif
-
-#define PARA_REG_DATA 0
-#define PARA_REG_STS 1
-#define PARA_REG_CTR 2
-#define PARA_REG_EPP_ADDR 3
-#define PARA_REG_EPP_DATA 4
-
-/*
- * These are the definitions for the Printer Status Register
- */
-#define PARA_STS_BUSY 0x80 /* Busy complement */
-#define PARA_STS_ACK 0x40 /* Acknowledge */
-#define PARA_STS_PAPER 0x20 /* Out of paper */
-#define PARA_STS_ONLINE 0x10 /* Online */
-#define PARA_STS_ERROR 0x08 /* Error complement */
-#define PARA_STS_TMOUT 0x01 /* EPP timeout */
-
-/*
- * These are the definitions for the Printer Control Register
- */
-#define PARA_CTR_DIR 0x20 /* Direction (1=read, 0=write) */
-#define PARA_CTR_INTEN 0x10 /* IRQ Enable */
-#define PARA_CTR_SELECT 0x08 /* Select In complement */
-#define PARA_CTR_INIT 0x04 /* Initialize Printer complement */
-#define PARA_CTR_AUTOLF 0x02 /* Auto linefeed complement */
-#define PARA_CTR_STROBE 0x01 /* Strobe complement */
-
-#define PARA_CTR_SIGNAL (PARA_CTR_SELECT|PARA_CTR_INIT|PARA_CTR_AUTOLF|PARA_CTR_STROBE)
-
-typedef struct ParallelState {
- MemoryRegion iomem;
- uint8_t dataw;
- uint8_t datar;
- uint8_t status;
- uint8_t control;
- qemu_irq irq;
- int irq_pending;
- CharDriverState *chr;
- int hw_driver;
- int epp_timeout;
- uint32_t last_read_offset; /* For debugging */
- /* Memory-mapped interface */
- int it_shift;
-} ParallelState;
-
-typedef struct ISAParallelState {
- ISADevice dev;
- uint32_t index;
- uint32_t iobase;
- uint32_t isairq;
- ParallelState state;
-} ISAParallelState;
-
-static void parallel_update_irq(ParallelState *s)
-{
- if (s->irq_pending)
- qemu_irq_raise(s->irq);
- else
- qemu_irq_lower(s->irq);
-}
-
-static void
-parallel_ioport_write_sw(void *opaque, uint32_t addr, uint32_t val)
-{
- ParallelState *s = opaque;
-
- pdebug("write addr=0x%02x val=0x%02x\n", addr, val);
-
- addr &= 7;
- switch(addr) {
- case PARA_REG_DATA:
- s->dataw = val;
- parallel_update_irq(s);
- break;
- case PARA_REG_CTR:
- val |= 0xc0;
- if ((val & PARA_CTR_INIT) == 0 ) {
- s->status = PARA_STS_BUSY;
- s->status |= PARA_STS_ACK;
- s->status |= PARA_STS_ONLINE;
- s->status |= PARA_STS_ERROR;
- }
- else if (val & PARA_CTR_SELECT) {
- if (val & PARA_CTR_STROBE) {
- s->status &= ~PARA_STS_BUSY;
- if ((s->control & PARA_CTR_STROBE) == 0)
- qemu_chr_fe_write(s->chr, &s->dataw, 1);
- } else {
- if (s->control & PARA_CTR_INTEN) {
- s->irq_pending = 1;
- }
- }
- }
- parallel_update_irq(s);
- s->control = val;
- break;
- }
-}
-
-static void parallel_ioport_write_hw(void *opaque, uint32_t addr, uint32_t val)
-{
- ParallelState *s = opaque;
- uint8_t parm = val;
- int dir;
-
- /* Sometimes programs do several writes for timing purposes on old
- HW. Take care not to waste time on writes that do nothing. */
-
- s->last_read_offset = ~0U;
-
- addr &= 7;
- switch(addr) {
- case PARA_REG_DATA:
- if (s->dataw == val)
- return;
- pdebug("wd%02x\n", val);
- qemu_chr_fe_ioctl(s->chr, CHR_IOCTL_PP_WRITE_DATA, &parm);
- s->dataw = val;
- break;
- case PARA_REG_STS:
- pdebug("ws%02x\n", val);
- if (val & PARA_STS_TMOUT)
- s->epp_timeout = 0;
- break;
- case PARA_REG_CTR:
- val |= 0xc0;
- if (s->control == val)
- return;
- pdebug("wc%02x\n", val);
-
- if ((val & PARA_CTR_DIR) != (s->control & PARA_CTR_DIR)) {
- if (val & PARA_CTR_DIR) {
- dir = 1;
- } else {
- dir = 0;
- }
- qemu_chr_fe_ioctl(s->chr, CHR_IOCTL_PP_DATA_DIR, &dir);
- parm &= ~PARA_CTR_DIR;
- }
-
- qemu_chr_fe_ioctl(s->chr, CHR_IOCTL_PP_WRITE_CONTROL, &parm);
- s->control = val;
- break;
- case PARA_REG_EPP_ADDR:
- if ((s->control & (PARA_CTR_DIR|PARA_CTR_SIGNAL)) != PARA_CTR_INIT)
- /* Controls not correct for EPP address cycle, so do nothing */
- pdebug("wa%02x s\n", val);
- else {
- struct ParallelIOArg ioarg = { .buffer = &parm, .count = 1 };
- if (qemu_chr_fe_ioctl(s->chr, CHR_IOCTL_PP_EPP_WRITE_ADDR, &ioarg)) {
- s->epp_timeout = 1;
- pdebug("wa%02x t\n", val);
- }
- else
- pdebug("wa%02x\n", val);
- }
- break;
- case PARA_REG_EPP_DATA:
- if ((s->control & (PARA_CTR_DIR|PARA_CTR_SIGNAL)) != PARA_CTR_INIT)
- /* Controls not correct for EPP data cycle, so do nothing */
- pdebug("we%02x s\n", val);
- else {
- struct ParallelIOArg ioarg = { .buffer = &parm, .count = 1 };
- if (qemu_chr_fe_ioctl(s->chr, CHR_IOCTL_PP_EPP_WRITE, &ioarg)) {
- s->epp_timeout = 1;
- pdebug("we%02x t\n", val);
- }
- else
- pdebug("we%02x\n", val);
- }
- break;
- }
-}
-
-static void
-parallel_ioport_eppdata_write_hw2(void *opaque, uint32_t addr, uint32_t val)
-{
- ParallelState *s = opaque;
- uint16_t eppdata = cpu_to_le16(val);
- int err;
- struct ParallelIOArg ioarg = {
- .buffer = &eppdata, .count = sizeof(eppdata)
- };
- if ((s->control & (PARA_CTR_DIR|PARA_CTR_SIGNAL)) != PARA_CTR_INIT) {
- /* Controls not correct for EPP data cycle, so do nothing */
- pdebug("we%04x s\n", val);
- return;
- }
- err = qemu_chr_fe_ioctl(s->chr, CHR_IOCTL_PP_EPP_WRITE, &ioarg);
- if (err) {
- s->epp_timeout = 1;
- pdebug("we%04x t\n", val);
- }
- else
- pdebug("we%04x\n", val);
-}
-
-static void
-parallel_ioport_eppdata_write_hw4(void *opaque, uint32_t addr, uint32_t val)
-{
- ParallelState *s = opaque;
- uint32_t eppdata = cpu_to_le32(val);
- int err;
- struct ParallelIOArg ioarg = {
- .buffer = &eppdata, .count = sizeof(eppdata)
- };
- if ((s->control & (PARA_CTR_DIR|PARA_CTR_SIGNAL)) != PARA_CTR_INIT) {
- /* Controls not correct for EPP data cycle, so do nothing */
- pdebug("we%08x s\n", val);
- return;
- }
- err = qemu_chr_fe_ioctl(s->chr, CHR_IOCTL_PP_EPP_WRITE, &ioarg);
- if (err) {
- s->epp_timeout = 1;
- pdebug("we%08x t\n", val);
- }
- else
- pdebug("we%08x\n", val);
-}
-
-static uint32_t parallel_ioport_read_sw(void *opaque, uint32_t addr)
-{
- ParallelState *s = opaque;
- uint32_t ret = 0xff;
-
- addr &= 7;
- switch(addr) {
- case PARA_REG_DATA:
- if (s->control & PARA_CTR_DIR)
- ret = s->datar;
- else
- ret = s->dataw;
- break;
- case PARA_REG_STS:
- ret = s->status;
- s->irq_pending = 0;
- if ((s->status & PARA_STS_BUSY) == 0 && (s->control & PARA_CTR_STROBE) == 0) {
- /* XXX Fixme: wait 5 microseconds */
- if (s->status & PARA_STS_ACK)
- s->status &= ~PARA_STS_ACK;
- else {
- /* XXX Fixme: wait 5 microseconds */
- s->status |= PARA_STS_ACK;
- s->status |= PARA_STS_BUSY;
- }
- }
- parallel_update_irq(s);
- break;
- case PARA_REG_CTR:
- ret = s->control;
- break;
- }
- pdebug("read addr=0x%02x val=0x%02x\n", addr, ret);
- return ret;
-}
-
-static uint32_t parallel_ioport_read_hw(void *opaque, uint32_t addr)
-{
- ParallelState *s = opaque;
- uint8_t ret = 0xff;
- addr &= 7;
- switch(addr) {
- case PARA_REG_DATA:
- qemu_chr_fe_ioctl(s->chr, CHR_IOCTL_PP_READ_DATA, &ret);
- if (s->last_read_offset != addr || s->datar != ret)
- pdebug("rd%02x\n", ret);
- s->datar = ret;
- break;
- case PARA_REG_STS:
- qemu_chr_fe_ioctl(s->chr, CHR_IOCTL_PP_READ_STATUS, &ret);
- ret &= ~PARA_STS_TMOUT;
- if (s->epp_timeout)
- ret |= PARA_STS_TMOUT;
- if (s->last_read_offset != addr || s->status != ret)
- pdebug("rs%02x\n", ret);
- s->status = ret;
- break;
- case PARA_REG_CTR:
- /* s->control has some bits fixed to 1. It is zero only when
- it has not been yet written to. */
- if (s->control == 0) {
- qemu_chr_fe_ioctl(s->chr, CHR_IOCTL_PP_READ_CONTROL, &ret);
- if (s->last_read_offset != addr)
- pdebug("rc%02x\n", ret);
- s->control = ret;
- }
- else {
- ret = s->control;
- if (s->last_read_offset != addr)
- pdebug("rc%02x\n", ret);
- }
- break;
- case PARA_REG_EPP_ADDR:
- if ((s->control & (PARA_CTR_DIR|PARA_CTR_SIGNAL)) != (PARA_CTR_DIR|PARA_CTR_INIT))
- /* Controls not correct for EPP addr cycle, so do nothing */
- pdebug("ra%02x s\n", ret);
- else {
- struct ParallelIOArg ioarg = { .buffer = &ret, .count = 1 };
- if (qemu_chr_fe_ioctl(s->chr, CHR_IOCTL_PP_EPP_READ_ADDR, &ioarg)) {
- s->epp_timeout = 1;
- pdebug("ra%02x t\n", ret);
- }
- else
- pdebug("ra%02x\n", ret);
- }
- break;
- case PARA_REG_EPP_DATA:
- if ((s->control & (PARA_CTR_DIR|PARA_CTR_SIGNAL)) != (PARA_CTR_DIR|PARA_CTR_INIT))
- /* Controls not correct for EPP data cycle, so do nothing */
- pdebug("re%02x s\n", ret);
- else {
- struct ParallelIOArg ioarg = { .buffer = &ret, .count = 1 };
- if (qemu_chr_fe_ioctl(s->chr, CHR_IOCTL_PP_EPP_READ, &ioarg)) {
- s->epp_timeout = 1;
- pdebug("re%02x t\n", ret);
- }
- else
- pdebug("re%02x\n", ret);
- }
- break;
- }
- s->last_read_offset = addr;
- return ret;
-}
-
-static uint32_t
-parallel_ioport_eppdata_read_hw2(void *opaque, uint32_t addr)
-{
- ParallelState *s = opaque;
- uint32_t ret;
- uint16_t eppdata = ~0;
- int err;
- struct ParallelIOArg ioarg = {
- .buffer = &eppdata, .count = sizeof(eppdata)
- };
- if ((s->control & (PARA_CTR_DIR|PARA_CTR_SIGNAL)) != (PARA_CTR_DIR|PARA_CTR_INIT)) {
- /* Controls not correct for EPP data cycle, so do nothing */
- pdebug("re%04x s\n", eppdata);
- return eppdata;
- }
- err = qemu_chr_fe_ioctl(s->chr, CHR_IOCTL_PP_EPP_READ, &ioarg);
- ret = le16_to_cpu(eppdata);
-
- if (err) {
- s->epp_timeout = 1;
- pdebug("re%04x t\n", ret);
- }
- else
- pdebug("re%04x\n", ret);
- return ret;
-}
-
-static uint32_t
-parallel_ioport_eppdata_read_hw4(void *opaque, uint32_t addr)
-{
- ParallelState *s = opaque;
- uint32_t ret;
- uint32_t eppdata = ~0U;
- int err;
- struct ParallelIOArg ioarg = {
- .buffer = &eppdata, .count = sizeof(eppdata)
- };
- if ((s->control & (PARA_CTR_DIR|PARA_CTR_SIGNAL)) != (PARA_CTR_DIR|PARA_CTR_INIT)) {
- /* Controls not correct for EPP data cycle, so do nothing */
- pdebug("re%08x s\n", eppdata);
- return eppdata;
- }
- err = qemu_chr_fe_ioctl(s->chr, CHR_IOCTL_PP_EPP_READ, &ioarg);
- ret = le32_to_cpu(eppdata);
-
- if (err) {
- s->epp_timeout = 1;
- pdebug("re%08x t\n", ret);
- }
- else
- pdebug("re%08x\n", ret);
- return ret;
-}
-
-static void parallel_ioport_ecp_write(void *opaque, uint32_t addr, uint32_t val)
-{
- pdebug("wecp%d=%02x\n", addr & 7, val);
-}
-
-static uint32_t parallel_ioport_ecp_read(void *opaque, uint32_t addr)
-{
- uint8_t ret = 0xff;
-
- pdebug("recp%d:%02x\n", addr & 7, ret);
- return ret;
-}
-
-static void parallel_reset(void *opaque)
-{
- ParallelState *s = opaque;
-
- s->datar = ~0;
- s->dataw = ~0;
- s->status = PARA_STS_BUSY;
- s->status |= PARA_STS_ACK;
- s->status |= PARA_STS_ONLINE;
- s->status |= PARA_STS_ERROR;
- s->status |= PARA_STS_TMOUT;
- s->control = PARA_CTR_SELECT;
- s->control |= PARA_CTR_INIT;
- s->control |= 0xc0;
- s->irq_pending = 0;
- s->hw_driver = 0;
- s->epp_timeout = 0;
- s->last_read_offset = ~0U;
-}
-
-static const int isa_parallel_io[MAX_PARALLEL_PORTS] = { 0x378, 0x278, 0x3bc };
-
-static const MemoryRegionPortio isa_parallel_portio_hw_list[] = {
- { 0, 8, 1,
- .read = parallel_ioport_read_hw,
- .write = parallel_ioport_write_hw },
- { 4, 1, 2,
- .read = parallel_ioport_eppdata_read_hw2,
- .write = parallel_ioport_eppdata_write_hw2 },
- { 4, 1, 4,
- .read = parallel_ioport_eppdata_read_hw4,
- .write = parallel_ioport_eppdata_write_hw4 },
- { 0x400, 8, 1,
- .read = parallel_ioport_ecp_read,
- .write = parallel_ioport_ecp_write },
- PORTIO_END_OF_LIST(),
-};
-
-static const MemoryRegionPortio isa_parallel_portio_sw_list[] = {
- { 0, 8, 1,
- .read = parallel_ioport_read_sw,
- .write = parallel_ioport_write_sw },
- PORTIO_END_OF_LIST(),
-};
-
-static int parallel_isa_initfn(ISADevice *dev)
-{
- static int index;
- ISAParallelState *isa = DO_UPCAST(ISAParallelState, dev, dev);
- ParallelState *s = &isa->state;
- int base;
- uint8_t dummy;
-
- if (!s->chr) {
- fprintf(stderr, "Can't create parallel device, empty char device\n");
- exit(1);
- }
-
- if (isa->index == -1)
- isa->index = index;
- if (isa->index >= MAX_PARALLEL_PORTS)
- return -1;
- if (isa->iobase == -1)
- isa->iobase = isa_parallel_io[isa->index];
- index++;
-
- base = isa->iobase;
- isa_init_irq(dev, &s->irq, isa->isairq);
- qemu_register_reset(parallel_reset, s);
-
- if (qemu_chr_fe_ioctl(s->chr, CHR_IOCTL_PP_READ_STATUS, &dummy) == 0) {
- s->hw_driver = 1;
- s->status = dummy;
- }
-
- isa_register_portio_list(dev, base,
- (s->hw_driver
- ? &isa_parallel_portio_hw_list[0]
- : &isa_parallel_portio_sw_list[0]),
- s, "parallel");
- return 0;
-}
-
-/* Memory mapped interface */
-static uint32_t parallel_mm_readb (void *opaque, hwaddr addr)
-{
- ParallelState *s = opaque;
-
- return parallel_ioport_read_sw(s, addr >> s->it_shift) & 0xFF;
-}
-
-static void parallel_mm_writeb (void *opaque,
- hwaddr addr, uint32_t value)
-{
- ParallelState *s = opaque;
-
- parallel_ioport_write_sw(s, addr >> s->it_shift, value & 0xFF);
-}
-
-static uint32_t parallel_mm_readw (void *opaque, hwaddr addr)
-{
- ParallelState *s = opaque;
-
- return parallel_ioport_read_sw(s, addr >> s->it_shift) & 0xFFFF;
-}
-
-static void parallel_mm_writew (void *opaque,
- hwaddr addr, uint32_t value)
-{
- ParallelState *s = opaque;
-
- parallel_ioport_write_sw(s, addr >> s->it_shift, value & 0xFFFF);
-}
-
-static uint32_t parallel_mm_readl (void *opaque, hwaddr addr)
-{
- ParallelState *s = opaque;
-
- return parallel_ioport_read_sw(s, addr >> s->it_shift);
-}
-
-static void parallel_mm_writel (void *opaque,
- hwaddr addr, uint32_t value)
-{
- ParallelState *s = opaque;
-
- parallel_ioport_write_sw(s, addr >> s->it_shift, value);
-}
-
-static const MemoryRegionOps parallel_mm_ops = {
- .old_mmio = {
- .read = { parallel_mm_readb, parallel_mm_readw, parallel_mm_readl },
- .write = { parallel_mm_writeb, parallel_mm_writew, parallel_mm_writel },
- },
- .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-/* If fd is zero, it means that the parallel device uses the console */
-bool parallel_mm_init(MemoryRegion *address_space,
- hwaddr base, int it_shift, qemu_irq irq,
- CharDriverState *chr)
-{
- ParallelState *s;
-
- s = g_malloc0(sizeof(ParallelState));
- s->irq = irq;
- s->chr = chr;
- s->it_shift = it_shift;
- qemu_register_reset(parallel_reset, s);
-
- memory_region_init_io(&s->iomem, &parallel_mm_ops, s,
- "parallel", 8 << it_shift);
- memory_region_add_subregion(address_space, base, &s->iomem);
- return true;
-}
-
-static Property parallel_isa_properties[] = {
- DEFINE_PROP_UINT32("index", ISAParallelState, index, -1),
- DEFINE_PROP_HEX32("iobase", ISAParallelState, iobase, -1),
- DEFINE_PROP_UINT32("irq", ISAParallelState, isairq, 7),
- DEFINE_PROP_CHR("chardev", ISAParallelState, state.chr),
- DEFINE_PROP_END_OF_LIST(),
-};
-
-static void parallel_isa_class_initfn(ObjectClass *klass, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(klass);
- ISADeviceClass *ic = ISA_DEVICE_CLASS(klass);
- ic->init = parallel_isa_initfn;
- dc->props = parallel_isa_properties;
-}
-
-static const TypeInfo parallel_isa_info = {
- .name = "isa-parallel",
- .parent = TYPE_ISA_DEVICE,
- .instance_size = sizeof(ISAParallelState),
- .class_init = parallel_isa_class_initfn,
-};
-
-static void parallel_register_types(void)
-{
- type_register_static(&parallel_isa_info);
-}
-
-type_init(parallel_register_types)