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>

1 files changed, 614 insertions, 0 deletions

diff --git a/hw/char/parallel.c b/hw/char/parallel.c
new file mode 100644
index 0000000000..863a6fb4a9
--- /dev/null
+++ b/hw/char/parallel.c
@@ -0,0 +1,614 @@
+/*
+ * 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)