diff options
Diffstat (limited to 'hw/ne2000.c')
| -rw-r--r-- | hw/ne2000.c | 152 |
1 files changed, 147 insertions, 5 deletions
diff --git a/hw/ne2000.c b/hw/ne2000.c index 5997e88..8ecbf55 100644 --- a/hw/ne2000.c +++ b/hw/ne2000.c @@ -368,7 +368,7 @@ static uint32_t ne2000_ioport_read(void *opaque, uint32_t addr) } static inline void ne2000_mem_writeb(NE2000State *s, uint32_t addr, - uint32_t val) + uint32_t val) { if (addr < 32 || (addr >= NE2000_PMEM_START && addr < NE2000_MEM_SIZE)) { @@ -382,8 +382,17 @@ static inline void ne2000_mem_writew(NE2000State *s, uint32_t addr, addr &= ~1; /* XXX: check exact behaviour if not even */ if (addr < 32 || (addr >= NE2000_PMEM_START && addr < NE2000_MEM_SIZE)) { - s->mem[addr] = val; - s->mem[addr + 1] = val >> 8; + *(uint16_t *)(s->mem + addr) = cpu_to_le16(val); + } +} + +static inline void ne2000_mem_writel(NE2000State *s, uint32_t addr, + uint32_t val) +{ + addr &= ~3; /* XXX: check exact behaviour if not even */ + if (addr < 32 || + (addr >= NE2000_PMEM_START && addr < NE2000_MEM_SIZE)) { + *(uint32_t *)(s->mem + addr) = cpu_to_le32(val); } } @@ -402,12 +411,23 @@ static inline uint32_t ne2000_mem_readw(NE2000State *s, uint32_t addr) addr &= ~1; /* XXX: check exact behaviour if not even */ if (addr < 32 || (addr >= NE2000_PMEM_START && addr < NE2000_MEM_SIZE)) { - return s->mem[addr] | (s->mem[addr + 1] << 8); + return le16_to_cpu(*(uint16_t *)(s->mem + addr)); } else { return 0xffff; } } +static inline uint32_t ne2000_mem_readl(NE2000State *s, uint32_t addr) +{ + addr &= ~3; /* XXX: check exact behaviour if not even */ + if (addr < 32 || + (addr >= NE2000_PMEM_START && addr < NE2000_MEM_SIZE)) { + return le32_to_cpu(*(uint32_t *)(s->mem + addr)); + } else { + return 0xffffffff; + } +} + static void ne2000_asic_ioport_write(void *opaque, uint32_t addr, uint32_t val) { NE2000State *s = opaque; @@ -468,6 +488,53 @@ static uint32_t ne2000_asic_ioport_read(void *opaque, uint32_t addr) return ret; } +static void ne2000_asic_ioport_writel(void *opaque, uint32_t addr, uint32_t val) +{ + NE2000State *s = opaque; + +#ifdef DEBUG_NE2000 + printf("NE2000: asic writel val=0x%04x\n", val); +#endif + if (s->rcnt == 0) + return; + /* 32 bit access */ + ne2000_mem_writel(s, s->rsar, val); + s->rsar += 4; + s->rcnt -= 4; + /* wrap */ + if (s->rsar == s->stop) + s->rsar = s->start; + if (s->rcnt == 0) { + /* signal end of transfert */ + s->isr |= ENISR_RDC; + ne2000_update_irq(s); + } +} + +static uint32_t ne2000_asic_ioport_readl(void *opaque, uint32_t addr) +{ + NE2000State *s = opaque; + int ret; + + /* 32 bit access */ + ret = ne2000_mem_readl(s, s->rsar); + s->rsar += 4; + s->rcnt -= 4; + + /* wrap */ + if (s->rsar == s->stop) + s->rsar = s->start; + if (s->rcnt == 0) { + /* signal end of transfert */ + s->isr |= ENISR_RDC; + ne2000_update_irq(s); + } +#ifdef DEBUG_NE2000 + printf("NE2000: asic readl val=0x%04x\n", ret); +#endif + return ret; +} + static void ne2000_reset_ioport_write(void *opaque, uint32_t addr, uint32_t val) { /* nothing to do (end of reset pulse) */ @@ -480,7 +547,7 @@ static uint32_t ne2000_reset_ioport_read(void *opaque, uint32_t addr) return 0; } -void ne2000_init(int base, int irq, NetDriverState *nd) +void isa_ne2000_init(int base, int irq, NetDriverState *nd) { NE2000State *s; @@ -505,3 +572,78 @@ void ne2000_init(int base, int irq, NetDriverState *nd) qemu_add_read_packet(nd, ne2000_can_receive, ne2000_receive, s); } + +/***********************************************************/ +/* PCI NE2000 definitions */ + +typedef struct PCINE2000State { + PCIDevice dev; + NE2000State ne2000; +} PCINE2000State; + +static uint32_t ne2000_read_config(PCIDevice *d, + uint32_t address, int len) +{ + uint32_t val; + val = 0; + memcpy(&val, d->config + address, len); + return val; +} + +static void ne2000_write_config(PCIDevice *d, + uint32_t address, uint32_t val, int len) +{ + memcpy(d->config + address, &val, len); +} + +static void ne2000_map(PCIDevice *pci_dev, int region_num, + uint32_t addr, uint32_t size, int type) +{ + PCINE2000State *d = (PCINE2000State *)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); +} + +void pci_ne2000_init(NetDriverState *nd) +{ + PCINE2000State *d; + NE2000State *s; + uint8_t *pci_conf; + + d = (PCINE2000State *)pci_register_device("NE2000", sizeof(PCINE2000State), + 0, -1, + ne2000_read_config, + ne2000_write_config); + 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 + + /* XXX: do that in the BIOS */ + pci_conf[0x3c] = 11; // interrupt line + pci_conf[0x3d] = 1; // interrupt pin + + pci_register_io_region((PCIDevice *)d, 0, 0x100, + PCI_ADDRESS_SPACE_IO, ne2000_map); + s = &d->ne2000; + s->irq = 11; + s->nd = nd; + ne2000_reset(s); + qemu_add_read_packet(nd, ne2000_can_receive, ne2000_receive, s); +} |
