/*
* QEMU NE2000 emulation
- *
+ *
* Copyright (c) 2003-2004 Fabrice Bellard
- *
+ *
* 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
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
-#include "vl.h"
+#include "hw.h"
+#include "pci.h"
+#include "net.h"
+#include "ne2000.h"
+#include "loader.h"
+#include "sysemu.h"
/* debug NE2000 card */
//#define DEBUG_NE2000
#define ENTSR_CDH 0x40 /* The collision detect "heartbeat" signal was lost. */
#define ENTSR_OWC 0x80 /* There was an out-of-window collision. */
-#define NE2000_PMEM_SIZE (32*1024)
-#define NE2000_PMEM_START (16*1024)
-#define NE2000_PMEM_END (NE2000_PMEM_SIZE+NE2000_PMEM_START)
-#define NE2000_MEM_SIZE NE2000_PMEM_END
-
-typedef struct NE2000State {
- uint8_t cmd;
- uint32_t start;
- uint32_t stop;
- uint8_t boundary;
- uint8_t tsr;
- uint8_t tpsr;
- uint16_t tcnt;
- uint16_t rcnt;
- uint32_t rsar;
- uint8_t rsr;
- uint8_t rxcr;
- uint8_t isr;
- uint8_t dcfg;
- uint8_t imr;
- uint8_t phys[6]; /* mac address */
- uint8_t curpag;
- uint8_t mult[8]; /* multicast mask array */
- int irq;
- PCIDevice *pci_dev;
- VLANClientState *vc;
- uint8_t macaddr[6];
- uint8_t mem[NE2000_MEM_SIZE];
-} NE2000State;
-
-static void ne2000_reset(NE2000State *s)
+typedef struct PCINE2000State {
+ PCIDevice dev;
+ NE2000State ne2000;
+} PCINE2000State;
+
+void ne2000_reset(NE2000State *s)
{
int i;
s->isr = ENISR_RESET;
- memcpy(s->mem, s->macaddr, 6);
+ memcpy(s->mem, &s->c.macaddr, 6);
s->mem[14] = 0x57;
s->mem[15] = 0x57;
int isr;
isr = (s->isr & s->imr) & 0x7f;
#if defined(DEBUG_NE2000)
- printf("NE2000: Set IRQ line %d to %d (%02x %02x)\n",
- s->irq, isr ? 1 : 0, s->isr, s->imr);
+ printf("NE2000: Set IRQ to %d (%02x %02x)\n",
+ isr ? 1 : 0, s->isr, s->imr);
#endif
- if (s->irq == 16) {
- /* PCI irq */
- pci_set_irq(s->pci_dev, 0, (isr != 0));
- } else {
- /* ISA irq */
- pic_set_irq(s->irq, (isr != 0));
- }
+ qemu_set_irq(s->irq, (isr != 0));
}
#define POLYNOMIAL 0x04c11db6
index = s->curpag << 8;
boundary = s->boundary << 8;
- if (index <= boundary)
+ if (index < boundary)
avail = boundary - index;
else
avail = (s->stop - s->start) - (index - boundary);
return 0;
}
-static int ne2000_can_receive(void *opaque)
+int ne2000_can_receive(VLANClientState *nc)
{
- NE2000State *s = opaque;
-
+ NE2000State *s = DO_UPCAST(NICState, nc, nc)->opaque;
+
if (s->cmd & E8390_STOP)
return 1;
return !ne2000_buffer_full(s);
#define MIN_BUF_SIZE 60
-static void ne2000_receive(void *opaque, const uint8_t *buf, int size)
+ssize_t ne2000_receive(VLANClientState *nc, const uint8_t *buf, size_t size_)
{
- NE2000State *s = opaque;
+ NE2000State *s = DO_UPCAST(NICState, nc, nc)->opaque;
+ int size = size_;
uint8_t *p;
- int total_len, next, avail, len, index, mcast_idx;
+ unsigned int total_len, next, avail, len, index, mcast_idx;
uint8_t buf1[60];
- static const uint8_t broadcast_macaddr[6] =
+ static const uint8_t broadcast_macaddr[6] =
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
-
+
#if defined(DEBUG_NE2000)
printf("NE2000: received len=%d\n", size);
#endif
if (s->cmd & E8390_STOP || ne2000_buffer_full(s))
- return;
-
+ return -1;
+
/* XXX: check this */
if (s->rxcr & 0x10) {
/* promiscuous: receive all */
if (!memcmp(buf, broadcast_macaddr, 6)) {
/* broadcast address */
if (!(s->rxcr & 0x04))
- return;
+ return size;
} else if (buf[0] & 0x01) {
/* multicast */
if (!(s->rxcr & 0x08))
- return;
+ return size;
mcast_idx = compute_mcast_idx(buf);
if (!(s->mult[mcast_idx >> 3] & (1 << (mcast_idx & 7))))
- return;
+ return size;
} else if (s->mem[0] == buf[0] &&
- s->mem[2] == buf[1] &&
- s->mem[4] == buf[2] &&
- s->mem[6] == buf[3] &&
- s->mem[8] == buf[4] &&
+ s->mem[2] == buf[1] &&
+ s->mem[4] == buf[2] &&
+ s->mem[6] == buf[3] &&
+ s->mem[8] == buf[4] &&
s->mem[10] == buf[5]) {
/* match */
} else {
- return;
+ return size;
}
}
/* write packet data */
while (size > 0) {
- avail = s->stop - index;
+ if (index <= s->stop)
+ avail = s->stop - index;
+ else
+ avail = 0;
len = size;
if (len > avail)
len = avail;
/* now we can signal we have received something */
s->isr |= ENISR_RX;
ne2000_update_irq(s);
+
+ return size_;
}
static void ne2000_ioport_write(void *opaque, uint32_t addr, uint32_t val)
s->cmd = val;
if (!(val & E8390_STOP)) { /* START bit makes no sense on RTL8029... */
s->isr &= ~ENISR_RESET;
- /* test specific case: zero length transfert */
+ /* test specific case: zero length transfer */
if ((val & (E8390_RREAD | E8390_RWRITE)) &&
s->rcnt == 0) {
s->isr |= ENISR_RDC;
}
if (val & E8390_TRANS) {
index = (s->tpsr << 8);
- /* XXX: next 2 lines are a hack to make netware 3.11 work */
+ /* XXX: next 2 lines are a hack to make netware 3.11 work */
if (index >= NE2000_PMEM_END)
index -= NE2000_PMEM_SIZE;
/* fail safe: check range on the transmitted length */
if (index + s->tcnt <= NE2000_PMEM_END) {
- qemu_send_packet(s->vc, s->mem + index, s->tcnt);
+ qemu_send_packet(&s->nic->nc, s->mem + index, s->tcnt);
}
- /* signal end of transfert */
+ /* signal end of transfer */
s->tsr = ENTSR_PTX;
s->isr |= ENISR_TX;
- s->cmd &= ~E8390_TRANS;
+ s->cmd &= ~E8390_TRANS;
ne2000_update_irq(s);
}
}
return ret;
}
-static inline void ne2000_mem_writeb(NE2000State *s, uint32_t addr,
+static inline void ne2000_mem_writeb(NE2000State *s, uint32_t addr,
uint32_t val)
{
- if (addr < 32 ||
+ if (addr < 32 ||
(addr >= NE2000_PMEM_START && addr < NE2000_MEM_SIZE)) {
s->mem[addr] = val;
}
}
-static inline void ne2000_mem_writew(NE2000State *s, uint32_t addr,
+static inline void ne2000_mem_writew(NE2000State *s, uint32_t addr,
uint32_t val)
{
addr &= ~1; /* XXX: check exact behaviour if not even */
- if (addr < 32 ||
+ if (addr < 32 ||
(addr >= NE2000_PMEM_START && addr < NE2000_MEM_SIZE)) {
*(uint16_t *)(s->mem + addr) = cpu_to_le16(val);
}
}
-static inline void ne2000_mem_writel(NE2000State *s, uint32_t addr,
+static inline void ne2000_mem_writel(NE2000State *s, uint32_t addr,
uint32_t val)
{
addr &= ~1; /* XXX: check exact behaviour if not even */
- if (addr < 32 ||
+ if (addr < 32 ||
(addr >= NE2000_PMEM_START && addr < NE2000_MEM_SIZE)) {
cpu_to_le32wu((uint32_t *)(s->mem + addr), val);
}
static inline uint32_t ne2000_mem_readb(NE2000State *s, uint32_t addr)
{
- if (addr < 32 ||
+ if (addr < 32 ||
(addr >= NE2000_PMEM_START && addr < NE2000_MEM_SIZE)) {
return s->mem[addr];
} else {
static inline uint32_t ne2000_mem_readw(NE2000State *s, uint32_t addr)
{
addr &= ~1; /* XXX: check exact behaviour if not even */
- if (addr < 32 ||
+ if (addr < 32 ||
(addr >= NE2000_PMEM_START && addr < NE2000_MEM_SIZE)) {
return le16_to_cpu(*(uint16_t *)(s->mem + addr));
} else {
static inline uint32_t ne2000_mem_readl(NE2000State *s, uint32_t addr)
{
addr &= ~1; /* XXX: check exact behaviour if not even */
- if (addr < 32 ||
+ if (addr < 32 ||
(addr >= NE2000_PMEM_START && addr < NE2000_MEM_SIZE)) {
return le32_to_cpupu((uint32_t *)(s->mem + addr));
} else {
if (s->rcnt <= len) {
s->rcnt = 0;
- /* signal end of transfert */
+ /* signal end of transfer */
s->isr |= ENISR_RDC;
ne2000_update_irq(s);
} else {
return 0;
}
-static void ne2000_save(QEMUFile* f,void* opaque)
+static int ne2000_post_load(void* opaque, int version_id)
{
- NE2000State* s=(NE2000State*)opaque;
-
- if (s->pci_dev)
- pci_device_save(s->pci_dev, f);
-
- qemu_put_8s(f, &s->rxcr);
-
- qemu_put_8s(f, &s->cmd);
- qemu_put_be32s(f, &s->start);
- qemu_put_be32s(f, &s->stop);
- qemu_put_8s(f, &s->boundary);
- qemu_put_8s(f, &s->tsr);
- qemu_put_8s(f, &s->tpsr);
- qemu_put_be16s(f, &s->tcnt);
- qemu_put_be16s(f, &s->rcnt);
- qemu_put_be32s(f, &s->rsar);
- qemu_put_8s(f, &s->rsr);
- qemu_put_8s(f, &s->isr);
- qemu_put_8s(f, &s->dcfg);
- qemu_put_8s(f, &s->imr);
- qemu_put_buffer(f, s->phys, 6);
- qemu_put_8s(f, &s->curpag);
- qemu_put_buffer(f, s->mult, 8);
- qemu_put_be32s(f, &s->irq);
- qemu_put_buffer(f, s->mem, NE2000_MEM_SIZE);
+ NE2000State* s = opaque;
+
+ if (version_id < 2) {
+ s->rxcr = 0x0c;
+ }
+ return 0;
}
-static int ne2000_load(QEMUFile* f,void* opaque,int version_id)
-{
- NE2000State* s=(NE2000State*)opaque;
- int ret;
+const VMStateDescription vmstate_ne2000 = {
+ .name = "ne2000",
+ .version_id = 2,
+ .minimum_version_id = 0,
+ .minimum_version_id_old = 0,
+ .post_load = ne2000_post_load,
+ .fields = (VMStateField []) {
+ VMSTATE_UINT8_V(rxcr, NE2000State, 2),
+ VMSTATE_UINT8(cmd, NE2000State),
+ VMSTATE_UINT32(start, NE2000State),
+ VMSTATE_UINT32(stop, NE2000State),
+ VMSTATE_UINT8(boundary, NE2000State),
+ VMSTATE_UINT8(tsr, NE2000State),
+ VMSTATE_UINT8(tpsr, NE2000State),
+ VMSTATE_UINT16(tcnt, NE2000State),
+ VMSTATE_UINT16(rcnt, NE2000State),
+ VMSTATE_UINT32(rsar, NE2000State),
+ VMSTATE_UINT8(rsr, NE2000State),
+ VMSTATE_UINT8(isr, NE2000State),
+ VMSTATE_UINT8(dcfg, NE2000State),
+ VMSTATE_UINT8(imr, NE2000State),
+ VMSTATE_BUFFER(phys, NE2000State),
+ VMSTATE_UINT8(curpag, NE2000State),
+ VMSTATE_BUFFER(mult, NE2000State),
+ VMSTATE_UNUSED(4), /* was irq */
+ VMSTATE_BUFFER(mem, NE2000State),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static const VMStateDescription vmstate_pci_ne2000 = {
+ .name = "ne2000",
+ .version_id = 3,
+ .minimum_version_id = 3,
+ .minimum_version_id_old = 3,
+ .fields = (VMStateField []) {
+ VMSTATE_PCI_DEVICE(dev, PCINE2000State),
+ VMSTATE_STRUCT(ne2000, PCINE2000State, 0, vmstate_ne2000, NE2000State),
+ VMSTATE_END_OF_LIST()
+ }
+};
- if (version_id > 3)
- return -EINVAL;
+static uint64_t ne2000_read(void *opaque, target_phys_addr_t addr,
+ unsigned size)
+{
+ NE2000State *s = opaque;
- if (s->pci_dev && version_id >= 3) {
- ret = pci_device_load(s->pci_dev, f);
- if (ret < 0)
- return ret;
+ if (addr < 0x10 && size == 1) {
+ return ne2000_ioport_read(s, addr);
+ } else if (addr == 0x10) {
+ if (size <= 2) {
+ return ne2000_asic_ioport_read(s, addr);
+ } else {
+ return ne2000_asic_ioport_readl(s, addr);
}
+ } else if (addr == 0x1f && size == 1) {
+ return ne2000_reset_ioport_read(s, addr);
+ }
+ return ((uint64_t)1 << (size * 8)) - 1;
+}
- if (version_id >= 2) {
- qemu_get_8s(f, &s->rxcr);
+static void ne2000_write(void *opaque, target_phys_addr_t addr,
+ uint64_t data, unsigned size)
+{
+ NE2000State *s = opaque;
+
+ if (addr < 0x10 && size == 1) {
+ return ne2000_ioport_write(s, addr, data);
+ } else if (addr == 0x10) {
+ if (size <= 2) {
+ return ne2000_asic_ioport_write(s, addr, data);
} else {
- s->rxcr = 0x0c;
+ return ne2000_asic_ioport_writel(s, addr, data);
}
+ } else if (addr == 0x1f && size == 1) {
+ return ne2000_reset_ioport_write(s, addr, data);
+ }
+}
+
+static const MemoryRegionOps ne2000_ops = {
+ .read = ne2000_read,
+ .write = ne2000_write,
+ .endianness = DEVICE_NATIVE_ENDIAN,
+};
- qemu_get_8s(f, &s->cmd);
- qemu_get_be32s(f, &s->start);
- qemu_get_be32s(f, &s->stop);
- qemu_get_8s(f, &s->boundary);
- qemu_get_8s(f, &s->tsr);
- qemu_get_8s(f, &s->tpsr);
- qemu_get_be16s(f, &s->tcnt);
- qemu_get_be16s(f, &s->rcnt);
- qemu_get_be32s(f, &s->rsar);
- qemu_get_8s(f, &s->rsr);
- qemu_get_8s(f, &s->isr);
- qemu_get_8s(f, &s->dcfg);
- qemu_get_8s(f, &s->imr);
- qemu_get_buffer(f, s->phys, 6);
- qemu_get_8s(f, &s->curpag);
- qemu_get_buffer(f, s->mult, 8);
- qemu_get_be32s(f, &s->irq);
- qemu_get_buffer(f, s->mem, NE2000_MEM_SIZE);
-
- return 0;
+/***********************************************************/
+/* PCI NE2000 definitions */
+
+void ne2000_setup_io(NE2000State *s, unsigned size)
+{
+ memory_region_init_io(&s->io, &ne2000_ops, s, "ne2000", size);
}
-void isa_ne2000_init(int base, int irq, NICInfo *nd)
+static void ne2000_cleanup(VLANClientState *nc)
{
+ NE2000State *s = DO_UPCAST(NICState, nc, nc)->opaque;
+
+ s->nic = NULL;
+}
+
+static NetClientInfo net_ne2000_info = {
+ .type = NET_CLIENT_TYPE_NIC,
+ .size = sizeof(NICState),
+ .can_receive = ne2000_can_receive,
+ .receive = ne2000_receive,
+ .cleanup = ne2000_cleanup,
+};
+
+static int pci_ne2000_init(PCIDevice *pci_dev)
+{
+ PCINE2000State *d = DO_UPCAST(PCINE2000State, dev, pci_dev);
NE2000State *s;
-
- s = qemu_mallocz(sizeof(NE2000State));
- if (!s)
- return;
-
- register_ioport_write(base, 16, 1, ne2000_ioport_write, s);
- register_ioport_read(base, 16, 1, ne2000_ioport_read, s);
+ uint8_t *pci_conf;
- register_ioport_write(base + 0x10, 1, 1, ne2000_asic_ioport_write, s);
- register_ioport_read(base + 0x10, 1, 1, ne2000_asic_ioport_read, s);
- register_ioport_write(base + 0x10, 2, 2, ne2000_asic_ioport_write, s);
- register_ioport_read(base + 0x10, 2, 2, ne2000_asic_ioport_read, s);
+ pci_conf = d->dev.config;
+ pci_conf[PCI_INTERRUPT_PIN] = 1; /* interrupt pin A */
- register_ioport_write(base + 0x1f, 1, 1, ne2000_reset_ioport_write, s);
- register_ioport_read(base + 0x1f, 1, 1, ne2000_reset_ioport_read, s);
- s->irq = irq;
- memcpy(s->macaddr, nd->macaddr, 6);
+ s = &d->ne2000;
+ ne2000_setup_io(s, 0x100);
+ pci_register_bar(&d->dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io);
+ s->irq = d->dev.irq[0];
+ qemu_macaddr_default_if_unset(&s->c.macaddr);
ne2000_reset(s);
- s->vc = qemu_new_vlan_client(nd->vlan, ne2000_receive,
- ne2000_can_receive, s);
-
- snprintf(s->vc->info_str, sizeof(s->vc->info_str),
- "ne2000 macaddr=%02x:%02x:%02x:%02x:%02x:%02x",
- s->macaddr[0],
- s->macaddr[1],
- s->macaddr[2],
- s->macaddr[3],
- s->macaddr[4],
- s->macaddr[5]);
-
- register_savevm("ne2000", 0, 2, ne2000_save, ne2000_load, s);
-}
+ s->nic = qemu_new_nic(&net_ne2000_info, &s->c,
+ pci_dev->qdev.info->name, pci_dev->qdev.id, s);
+ qemu_format_nic_info_str(&s->nic->nc, s->c.macaddr.a);
-/***********************************************************/
-/* PCI NE2000 definitions */
+ if (!pci_dev->qdev.hotplugged) {
+ static int loaded = 0;
+ if (!loaded) {
+ rom_add_option("pxe-ne2k_pci.rom", -1);
+ loaded = 1;
+ }
+ }
-typedef struct PCINE2000State {
- PCIDevice dev;
- NE2000State ne2000;
-} PCINE2000State;
+ add_boot_device_path(s->c.bootindex, &pci_dev->qdev, "/ethernet-phy@0");
-static void ne2000_map(PCIDevice *pci_dev, int region_num,
- uint32_t addr, uint32_t size, int type)
+ return 0;
+}
+
+static int pci_ne2000_exit(PCIDevice *pci_dev)
{
- PCINE2000State *d = (PCINE2000State *)pci_dev;
+ PCINE2000State *d = DO_UPCAST(PCINE2000State, dev, pci_dev);
NE2000State *s = &d->ne2000;
- register_ioport_write(addr, 16, 1, ne2000_ioport_write, s);
- register_ioport_read(addr, 16, 1, ne2000_ioport_read, s);
-
- register_ioport_write(addr + 0x10, 1, 1, ne2000_asic_ioport_write, s);
- register_ioport_read(addr + 0x10, 1, 1, ne2000_asic_ioport_read, s);
- register_ioport_write(addr + 0x10, 2, 2, ne2000_asic_ioport_write, s);
- register_ioport_read(addr + 0x10, 2, 2, ne2000_asic_ioport_read, s);
- register_ioport_write(addr + 0x10, 4, 4, ne2000_asic_ioport_writel, s);
- register_ioport_read(addr + 0x10, 4, 4, ne2000_asic_ioport_readl, s);
-
- register_ioport_write(addr + 0x1f, 1, 1, ne2000_reset_ioport_write, s);
- register_ioport_read(addr + 0x1f, 1, 1, ne2000_reset_ioport_read, s);
+ memory_region_destroy(&s->io);
+ qemu_del_vlan_client(&s->nic->nc);
+ return 0;
}
-void pci_ne2000_init(PCIBus *bus, NICInfo *nd, int devfn)
+static PCIDeviceInfo ne2000_info = {
+ .qdev.name = "ne2k_pci",
+ .qdev.size = sizeof(PCINE2000State),
+ .qdev.vmsd = &vmstate_pci_ne2000,
+ .init = pci_ne2000_init,
+ .exit = pci_ne2000_exit,
+ .vendor_id = PCI_VENDOR_ID_REALTEK,
+ .device_id = PCI_DEVICE_ID_REALTEK_8029,
+ .class_id = PCI_CLASS_NETWORK_ETHERNET,
+ .qdev.props = (Property[]) {
+ DEFINE_NIC_PROPERTIES(PCINE2000State, ne2000.c),
+ DEFINE_PROP_END_OF_LIST(),
+ }
+};
+
+static void ne2000_register_devices(void)
{
- PCINE2000State *d;
- NE2000State *s;
- uint8_t *pci_conf;
-
- d = (PCINE2000State *)pci_register_device(bus,
- "NE2000", sizeof(PCINE2000State),
- devfn,
- NULL, NULL);
- pci_conf = d->dev.config;
- pci_conf[0x00] = 0xec; // Realtek 8029
- pci_conf[0x01] = 0x10;
- pci_conf[0x02] = 0x29;
- pci_conf[0x03] = 0x80;
- pci_conf[0x0a] = 0x00; // ethernet network controller
- pci_conf[0x0b] = 0x02;
- pci_conf[0x0e] = 0x00; // header_type
- pci_conf[0x3d] = 1; // interrupt pin 0
-
- pci_register_io_region(&d->dev, 0, 0x100,
- PCI_ADDRESS_SPACE_IO, ne2000_map);
- s = &d->ne2000;
- s->irq = 16; // PCI interrupt
- s->pci_dev = (PCIDevice *)d;
- memcpy(s->macaddr, nd->macaddr, 6);
- ne2000_reset(s);
- s->vc = qemu_new_vlan_client(nd->vlan, ne2000_receive,
- ne2000_can_receive, s);
-
- snprintf(s->vc->info_str, sizeof(s->vc->info_str),
- "ne2000 pci macaddr=%02x:%02x:%02x:%02x:%02x:%02x",
- s->macaddr[0],
- s->macaddr[1],
- s->macaddr[2],
- s->macaddr[3],
- s->macaddr[4],
- s->macaddr[5]);
-
- /* XXX: instance number ? */
- register_savevm("ne2000", 0, 3, ne2000_save, ne2000_load, s);
+ pci_qdev_register(&ne2000_info);
}
+
+device_init(ne2000_register_devices)
projects / qemu.git / blobdiff