#include "net.h"
#include "eeprom93xx.h"
#include "sysemu.h"
+#include "dma.h"
/* QEMU sends frames smaller than 60 bytes to ethernet nics.
* Such frames are rejected by real nics and their emulations.
PCIDevice dev;
/* Hash register (multicast mask array, multiple individual addresses). */
uint8_t mult[8];
- int mmio_index;
+ MemoryRegion mmio_bar;
+ MemoryRegion io_bar;
+ MemoryRegion flash_bar;
NICState *nic;
NICConf conf;
uint8_t scb_stat; /* SCB stat/ack byte */
uint8_t int_stat; /* PCI interrupt status */
/* region must not be saved by nic_save. */
- uint32_t region1; /* PCI region 1 address */
uint16_t mdimem[32];
eeprom_t *eeprom;
uint32_t device; /* device variant */
/* Data in mem is always in the byte order of the controller (le).
* It must be dword aligned to allow direct access to 32 bit values. */
- uint8_t mem[PCI_MEM_SIZE] __attribute__((aligned(8)));;
+ uint8_t mem[PCI_MEM_SIZE] __attribute__((aligned(8)));
/* Configuration bytes. */
uint8_t configuration[22];
0xffff, 0xffff, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
};
-/* Read a 16 bit little endian value from physical memory. */
-static uint16_t e100_ldw_le_phys(target_phys_addr_t addr)
-{
- /* Load 16 bit (little endian) word from emulated hardware. */
- uint16_t val;
- cpu_physical_memory_read(addr, &val, sizeof(val));
- return le16_to_cpu(val);
-}
-
-/* Read a 32 bit little endian value from physical memory. */
-static uint32_t e100_ldl_le_phys(target_phys_addr_t addr)
-{
- /* Load 32 bit (little endian) word from emulated hardware. */
- uint32_t val;
- cpu_physical_memory_read(addr, &val, sizeof(val));
- return le32_to_cpu(val);
-}
-
-/* Write a 16 bit little endian value to physical memory. */
-static void e100_stw_le_phys(target_phys_addr_t addr, uint16_t val)
-{
- val = cpu_to_le16(val);
- cpu_physical_memory_write(addr, &val, sizeof(val));
-}
-
-/* Write a 32 bit little endian value to physical memory. */
-static void e100_stl_le_phys(target_phys_addr_t addr, uint32_t val)
-{
- val = cpu_to_le32(val);
- cpu_physical_memory_write(addr, &val, sizeof(val));
-}
-
#define POLYNOMIAL 0x04c11db6
/* From FreeBSD */
* values which really matter.
* Number of data should check configuration!!!
*/
- cpu_physical_memory_write(s->statsaddr, &s->statistics, s->stats_size);
- e100_stl_le_phys(s->statsaddr + 0, s->statistics.tx_good_frames);
- e100_stl_le_phys(s->statsaddr + 36, s->statistics.rx_good_frames);
- e100_stl_le_phys(s->statsaddr + 48, s->statistics.rx_resource_errors);
- e100_stl_le_phys(s->statsaddr + 60, s->statistics.rx_short_frame_errors);
+ pci_dma_write(&s->dev, s->statsaddr, &s->statistics, s->stats_size);
+ stl_le_pci_dma(&s->dev, s->statsaddr + 0,
+ s->statistics.tx_good_frames);
+ stl_le_pci_dma(&s->dev, s->statsaddr + 36,
+ s->statistics.rx_good_frames);
+ stl_le_pci_dma(&s->dev, s->statsaddr + 48,
+ s->statistics.rx_resource_errors);
+ stl_le_pci_dma(&s->dev, s->statsaddr + 60,
+ s->statistics.rx_short_frame_errors);
#if 0
- e100_stw_le_phys(s->statsaddr + 76, s->statistics.xmt_tco_frames);
- e100_stw_le_phys(s->statsaddr + 78, s->statistics.rcv_tco_frames);
+ stw_le_pci_dma(&s->dev, s->statsaddr + 76, s->statistics.xmt_tco_frames);
+ stw_le_pci_dma(&s->dev, s->statsaddr + 78, s->statistics.rcv_tco_frames);
missing("CU dump statistical counters");
#endif
}
static void read_cb(EEPRO100State *s)
{
- cpu_physical_memory_read(s->cb_address, &s->tx, sizeof(s->tx));
+ pci_dma_read(&s->dev, s->cb_address, &s->tx, sizeof(s->tx));
s->tx.status = le16_to_cpu(s->tx.status);
s->tx.command = le16_to_cpu(s->tx.command);
s->tx.link = le32_to_cpu(s->tx.link);
}
assert(tcb_bytes <= sizeof(buf));
while (size < tcb_bytes) {
- uint32_t tx_buffer_address = e100_ldl_le_phys(tbd_address);
- uint16_t tx_buffer_size = e100_ldw_le_phys(tbd_address + 4);
+ uint32_t tx_buffer_address = ldl_le_pci_dma(&s->dev, tbd_address);
+ uint16_t tx_buffer_size = lduw_le_pci_dma(&s->dev, tbd_address + 4);
#if 0
- uint16_t tx_buffer_el = e100_ldw_le_phys(tbd_address + 6);
+ uint16_t tx_buffer_el = lduw_le_pci_dma(&s->dev, tbd_address + 6);
#endif
tbd_address += 8;
TRACE(RXTX, logout
("TBD (simplified mode): buffer address 0x%08x, size 0x%04x\n",
tx_buffer_address, tx_buffer_size));
tx_buffer_size = MIN(tx_buffer_size, sizeof(buf) - size);
- cpu_physical_memory_read(tx_buffer_address, &buf[size],
- tx_buffer_size);
+ pci_dma_read(&s->dev, tx_buffer_address, &buf[size], tx_buffer_size);
size += tx_buffer_size;
}
if (tbd_array == 0xffffffff) {
if (s->has_extended_tcb_support && !(s->configuration[6] & BIT(4))) {
/* Extended Flexible TCB. */
for (; tbd_count < 2; tbd_count++) {
- uint32_t tx_buffer_address = e100_ldl_le_phys(tbd_address);
- uint16_t tx_buffer_size = e100_ldw_le_phys(tbd_address + 4);
- uint16_t tx_buffer_el = e100_ldw_le_phys(tbd_address + 6);
+ uint32_t tx_buffer_address = ldl_le_pci_dma(&s->dev,
+ tbd_address);
+ uint16_t tx_buffer_size = lduw_le_pci_dma(&s->dev,
+ tbd_address + 4);
+ uint16_t tx_buffer_el = lduw_le_pci_dma(&s->dev,
+ tbd_address + 6);
tbd_address += 8;
TRACE(RXTX, logout
("TBD (extended flexible mode): buffer address 0x%08x, size 0x%04x\n",
tx_buffer_address, tx_buffer_size));
tx_buffer_size = MIN(tx_buffer_size, sizeof(buf) - size);
- cpu_physical_memory_read(tx_buffer_address, &buf[size],
- tx_buffer_size);
+ pci_dma_read(&s->dev, tx_buffer_address,
+ &buf[size], tx_buffer_size);
size += tx_buffer_size;
if (tx_buffer_el & 1) {
break;
}
tbd_address = tbd_array;
for (; tbd_count < s->tx.tbd_count; tbd_count++) {
- uint32_t tx_buffer_address = e100_ldl_le_phys(tbd_address);
- uint16_t tx_buffer_size = e100_ldw_le_phys(tbd_address + 4);
- uint16_t tx_buffer_el = e100_ldw_le_phys(tbd_address + 6);
+ uint32_t tx_buffer_address = ldl_le_pci_dma(&s->dev, tbd_address);
+ uint16_t tx_buffer_size = lduw_le_pci_dma(&s->dev, tbd_address + 4);
+ uint16_t tx_buffer_el = lduw_le_pci_dma(&s->dev, tbd_address + 6);
tbd_address += 8;
TRACE(RXTX, logout
("TBD (flexible mode): buffer address 0x%08x, size 0x%04x\n",
tx_buffer_address, tx_buffer_size));
tx_buffer_size = MIN(tx_buffer_size, sizeof(buf) - size);
- cpu_physical_memory_read(tx_buffer_address, &buf[size],
- tx_buffer_size);
+ pci_dma_read(&s->dev, tx_buffer_address,
+ &buf[size], tx_buffer_size);
size += tx_buffer_size;
if (tx_buffer_el & 1) {
break;
TRACE(OTHER, logout("multicast list, multicast count = %u\n", multicast_count));
for (i = 0; i < multicast_count; i += 6) {
uint8_t multicast_addr[6];
- cpu_physical_memory_read(s->cb_address + 10 + i, multicast_addr, 6);
+ pci_dma_read(&s->dev, s->cb_address + 10 + i, multicast_addr, 6);
TRACE(OTHER, logout("multicast entry %s\n", nic_dump(multicast_addr, 6)));
unsigned mcast_idx = compute_mcast_idx(multicast_addr);
assert(mcast_idx < 64);
/* Do nothing. */
break;
case CmdIASetup:
- cpu_physical_memory_read(s->cb_address + 8, &s->conf.macaddr.a[0], 6);
+ pci_dma_read(&s->dev, s->cb_address + 8, &s->conf.macaddr.a[0], 6);
TRACE(OTHER, logout("macaddr: %s\n", nic_dump(&s->conf.macaddr.a[0], 6)));
break;
case CmdConfigure:
- cpu_physical_memory_read(s->cb_address + 8, &s->configuration[0],
- sizeof(s->configuration));
+ pci_dma_read(&s->dev, s->cb_address + 8,
+ &s->configuration[0], sizeof(s->configuration));
TRACE(OTHER, logout("configuration: %s\n",
nic_dump(&s->configuration[0], 16)));
TRACE(OTHER, logout("configuration: %s\n",
break;
}
/* Write new status. */
- e100_stw_le_phys(s->cb_address, s->tx.status | ok_status | STATUS_C);
+ stw_le_pci_dma(&s->dev, s->cb_address,
+ s->tx.status | ok_status | STATUS_C);
if (bit_i) {
/* CU completed action. */
eepro100_cx_interrupt(s);
case CU_STATSADDR:
/* Load dump counters address. */
s->statsaddr = e100_read_reg4(s, SCBPointer);
- TRACE(OTHER, logout("val=0x%02x (status address)\n", val));
+ TRACE(OTHER, logout("val=0x%02x (dump counters address)\n", val));
+ if (s->statsaddr & 3) {
+ /* Memory must be Dword aligned. */
+ logout("unaligned dump counters address\n");
+ /* Handling of misaligned addresses is undefined.
+ * Here we align the address by ignoring the lower bits. */
+ /* TODO: Test unaligned dump counter address on real hardware. */
+ s->statsaddr &= ~3;
+ }
break;
case CU_SHOWSTATS:
/* Dump statistical counters. */
TRACE(OTHER, logout("val=0x%02x (dump stats)\n", val));
dump_statistics(s);
- e100_stl_le_phys(s->statsaddr + s->stats_size, 0xa005);
+ stl_le_pci_dma(&s->dev, s->statsaddr + s->stats_size, 0xa005);
break;
case CU_CMD_BASE:
/* Load CU base. */
/* Dump and reset statistical counters. */
TRACE(OTHER, logout("val=0x%02x (dump stats and reset)\n", val));
dump_statistics(s);
- e100_stl_le_phys(s->statsaddr + s->stats_size, 0xa007);
+ stl_le_pci_dma(&s->dev, s->statsaddr + s->stats_size, 0xa007);
memset(&s->statistics, 0, sizeof(s->statistics));
break;
case CU_SRESUME:
case PORT_SELFTEST:
TRACE(OTHER, logout("selftest address=0x%08x\n", address));
eepro100_selftest_t data;
- cpu_physical_memory_read(address, &data, sizeof(data));
+ pci_dma_read(&s->dev, address, (uint8_t *) &data, sizeof(data));
data.st_sign = 0xffffffff;
data.st_result = 0;
- cpu_physical_memory_write(address, &data, sizeof(data));
+ pci_dma_write(&s->dev, address, (uint8_t *) &data, sizeof(data));
break;
case PORT_SELECTIVE_RESET:
TRACE(OTHER, logout("selective reset, selftest address=0x%08x\n", address));
}
}
-/*****************************************************************************
- *
- * Port mapped I/O.
- *
- ****************************************************************************/
-
-static uint32_t ioport_read1(void *opaque, uint32_t addr)
-{
- EEPRO100State *s = opaque;
-#if 0
- logout("addr=%s\n", regname(addr));
-#endif
- return eepro100_read1(s, addr - s->region1);
-}
-
-static uint32_t ioport_read2(void *opaque, uint32_t addr)
-{
- EEPRO100State *s = opaque;
- return eepro100_read2(s, addr - s->region1);
-}
-
-static uint32_t ioport_read4(void *opaque, uint32_t addr)
-{
- EEPRO100State *s = opaque;
- return eepro100_read4(s, addr - s->region1);
-}
-
-static void ioport_write1(void *opaque, uint32_t addr, uint32_t val)
+static uint64_t eepro100_read(void *opaque, target_phys_addr_t addr,
+ unsigned size)
{
EEPRO100State *s = opaque;
-#if 0
- logout("addr=%s val=0x%02x\n", regname(addr), val);
-#endif
- eepro100_write1(s, addr - s->region1, val);
-}
-static void ioport_write2(void *opaque, uint32_t addr, uint32_t val)
-{
- EEPRO100State *s = opaque;
- eepro100_write2(s, addr - s->region1, val);
-}
-
-static void ioport_write4(void *opaque, uint32_t addr, uint32_t val)
-{
- EEPRO100State *s = opaque;
- eepro100_write4(s, addr - s->region1, val);
-}
-
-/***********************************************************/
-/* PCI EEPRO100 definitions */
-
-static void pci_map(PCIDevice * pci_dev, int region_num,
- pcibus_t addr, pcibus_t size, int type)
-{
- EEPRO100State *s = DO_UPCAST(EEPRO100State, dev, pci_dev);
-
- TRACE(OTHER, logout("region %d, addr=0x%08"FMT_PCIBUS", "
- "size=0x%08"FMT_PCIBUS", type=%d\n",
- region_num, addr, size, type));
-
- assert(region_num == 1);
- register_ioport_write(addr, size, 1, ioport_write1, s);
- register_ioport_read(addr, size, 1, ioport_read1, s);
- register_ioport_write(addr, size, 2, ioport_write2, s);
- register_ioport_read(addr, size, 2, ioport_read2, s);
- register_ioport_write(addr, size, 4, ioport_write4, s);
- register_ioport_read(addr, size, 4, ioport_read4, s);
-
- s->region1 = addr;
-}
-
-/*****************************************************************************
- *
- * Memory mapped I/O.
- *
- ****************************************************************************/
-
-static void pci_mmio_writeb(void *opaque, target_phys_addr_t addr, uint32_t val)
-{
- EEPRO100State *s = opaque;
-#if 0
- logout("addr=%s val=0x%02x\n", regname(addr), val);
-#endif
- eepro100_write1(s, addr, val);
-}
-
-static void pci_mmio_writew(void *opaque, target_phys_addr_t addr, uint32_t val)
-{
- EEPRO100State *s = opaque;
-#if 0
- logout("addr=%s val=0x%02x\n", regname(addr), val);
-#endif
- eepro100_write2(s, addr, val);
-}
-
-static void pci_mmio_writel(void *opaque, target_phys_addr_t addr, uint32_t val)
-{
- EEPRO100State *s = opaque;
-#if 0
- logout("addr=%s val=0x%02x\n", regname(addr), val);
-#endif
- eepro100_write4(s, addr, val);
-}
-
-static uint32_t pci_mmio_readb(void *opaque, target_phys_addr_t addr)
-{
- EEPRO100State *s = opaque;
-#if 0
- logout("addr=%s\n", regname(addr));
-#endif
- return eepro100_read1(s, addr);
+ switch (size) {
+ case 1: return eepro100_read1(s, addr);
+ case 2: return eepro100_read2(s, addr);
+ case 4: return eepro100_read4(s, addr);
+ default: abort();
+ }
}
-static uint32_t pci_mmio_readw(void *opaque, target_phys_addr_t addr)
+static void eepro100_write(void *opaque, target_phys_addr_t addr,
+ uint64_t data, unsigned size)
{
EEPRO100State *s = opaque;
-#if 0
- logout("addr=%s\n", regname(addr));
-#endif
- return eepro100_read2(s, addr);
-}
-static uint32_t pci_mmio_readl(void *opaque, target_phys_addr_t addr)
-{
- EEPRO100State *s = opaque;
-#if 0
- logout("addr=%s\n", regname(addr));
-#endif
- return eepro100_read4(s, addr);
+ switch (size) {
+ case 1: return eepro100_write1(s, addr, data);
+ case 2: return eepro100_write2(s, addr, data);
+ case 4: return eepro100_write4(s, addr, data);
+ default: abort();
+ }
}
-static CPUWriteMemoryFunc * const pci_mmio_write[] = {
- pci_mmio_writeb,
- pci_mmio_writew,
- pci_mmio_writel
-};
-
-static CPUReadMemoryFunc * const pci_mmio_read[] = {
- pci_mmio_readb,
- pci_mmio_readw,
- pci_mmio_readl
+static const MemoryRegionOps eepro100_ops = {
+ .read = eepro100_read,
+ .write = eepro100_write,
+ .endianness = DEVICE_LITTLE_ENDIAN,
};
static int nic_can_receive(VLANClientState *nc)
}
/* !!! */
eepro100_rx_t rx;
- cpu_physical_memory_read(s->ru_base + s->ru_offset, &rx,
- sizeof(eepro100_rx_t));
+ pci_dma_read(&s->dev, s->ru_base + s->ru_offset,
+ &rx, sizeof(eepro100_rx_t));
uint16_t rfd_command = le16_to_cpu(rx.command);
uint16_t rfd_size = le16_to_cpu(rx.size);
#endif
TRACE(OTHER, logout("command 0x%04x, link 0x%08x, addr 0x%08x, size %u\n",
rfd_command, rx.link, rx.rx_buf_addr, rfd_size));
- e100_stw_le_phys(s->ru_base + s->ru_offset +
- offsetof(eepro100_rx_t, status), rfd_status);
- e100_stw_le_phys(s->ru_base + s->ru_offset +
- offsetof(eepro100_rx_t, count), size);
+ stw_le_pci_dma(&s->dev, s->ru_base + s->ru_offset +
+ offsetof(eepro100_rx_t, status), rfd_status);
+ stw_le_pci_dma(&s->dev, s->ru_base + s->ru_offset +
+ offsetof(eepro100_rx_t, count), size);
/* Early receive interrupt not supported. */
#if 0
eepro100_er_interrupt(s);
#if 0
assert(!(s->configuration[17] & BIT(0)));
#endif
- cpu_physical_memory_write(s->ru_base + s->ru_offset +
- sizeof(eepro100_rx_t), buf, size);
+ pci_dma_write(&s->dev, s->ru_base + s->ru_offset +
+ sizeof(eepro100_rx_t), buf, size);
s->statistics.rx_good_frames++;
eepro100_fr_interrupt(s);
s->ru_offset = le32_to_cpu(rx.link);
{
EEPRO100State *s = DO_UPCAST(EEPRO100State, dev, pci_dev);
- cpu_unregister_io_memory(s->mmio_index);
+ memory_region_destroy(&s->mmio_bar);
+ memory_region_destroy(&s->io_bar);
+ memory_region_destroy(&s->flash_bar);
vmstate_unregister(&pci_dev->qdev, s->vmstate, s);
eeprom93xx_free(&pci_dev->qdev, s->eeprom);
qemu_del_vlan_client(&s->nic->nc);
{
EEPRO100State *s = DO_UPCAST(EEPRO100State, dev, pci_dev);
E100PCIDeviceInfo *e100_device = DO_UPCAST(E100PCIDeviceInfo, pci.qdev,
- pci_dev->qdev.info);
+ qdev_get_info(&pci_dev->qdev));
TRACE(OTHER, logout("\n"));
s->eeprom = eeprom93xx_new(&pci_dev->qdev, EEPROM_SIZE);
/* Handler for memory-mapped I/O */
- s->mmio_index =
- cpu_register_io_memory(pci_mmio_read, pci_mmio_write, s,
- DEVICE_LITTLE_ENDIAN);
-
- pci_register_bar_simple(&s->dev, 0, PCI_MEM_SIZE,
- PCI_BASE_ADDRESS_MEM_PREFETCH, s->mmio_index);
-
- pci_register_bar(&s->dev, 1, PCI_IO_SIZE, PCI_BASE_ADDRESS_SPACE_IO,
- pci_map);
- pci_register_bar_simple(&s->dev, 2, PCI_FLASH_SIZE, 0, s->mmio_index);
+ memory_region_init_io(&s->mmio_bar, &eepro100_ops, s, "eepro100-mmio",
+ PCI_MEM_SIZE);
+ pci_register_bar(&s->dev, 0, PCI_BASE_ADDRESS_MEM_PREFETCH, &s->mmio_bar);
+ memory_region_init_io(&s->io_bar, &eepro100_ops, s, "eepro100-io",
+ PCI_IO_SIZE);
+ pci_register_bar(&s->dev, 1, PCI_BASE_ADDRESS_SPACE_IO, &s->io_bar);
+ /* FIXME: flash aliases to mmio?! */
+ memory_region_init_io(&s->flash_bar, &eepro100_ops, s, "eepro100-flash",
+ PCI_FLASH_SIZE);
+ pci_register_bar(&s->dev, 2, 0, &s->flash_bar);
qemu_macaddr_default_if_unset(&s->conf.macaddr);
logout("macaddr: %s\n", nic_dump(&s->conf.macaddr.a[0], 6));
- assert(s->region1 == 0);
nic_reset(s);
s->nic = qemu_new_nic(&net_eepro100_info, &s->conf,
- pci_dev->qdev.info->name, pci_dev->qdev.id, s);
+ object_get_typename(OBJECT(pci_dev)), pci_dev->qdev.id, s);
qemu_format_nic_info_str(&s->nic->nc, s->conf.macaddr.a);
TRACE(OTHER, logout("%s\n", s->nic->nc.info_str));
qemu_register_reset(nic_reset, s);
- s->vmstate = qemu_malloc(sizeof(vmstate_eepro100));
+ s->vmstate = g_malloc(sizeof(vmstate_eepro100));
memcpy(s->vmstate, &vmstate_eepro100, sizeof(vmstate_eepro100));
s->vmstate->name = s->nic->nc.model;
vmstate_register(&pci_dev->qdev, -1, s->vmstate, s);
projects / mirror_qemu.git / blobdiff