The mipsnet device model was only used by the mipssim machine, which just got removed. Remove as now dead code. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> --- MAINTAINERS | 5 - hw/net/mipsnet.c | 297 -------------------------------------------- hw/net/Kconfig | 3 - hw/net/meson.build | 1 - hw/net/trace-events | 7 -- 5 files changed, 313 deletions(-) delete mode 100644 hw/net/mipsnet.c diff --git a/MAINTAINERS b/MAINTAINERS index 6a2d3aa43bf..e293dfdb20d 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1411,11 +1411,6 @@ F: include/hw/southbridge/piix.h F: tests/functional/mips*/test_malta.py F: tests/functional/mips*/test_tuxrun.py -Mipssim -R: Aleksandar Rikalo <arikalo@gmail.com> -S: Orphan -F: hw/net/mipsnet.c - Fuloong 2E M: Huacai Chen <chenhuacai@kernel.org> M: Philippe Mathieu-Daudé <philmd@linaro.org> diff --git a/hw/net/mipsnet.c b/hw/net/mipsnet.c deleted file mode 100644 index 583aa1c7de6..00000000000 --- a/hw/net/mipsnet.c +++ /dev/null @@ -1,297 +0,0 @@ -#include "qemu/osdep.h" -#include "hw/irq.h" -#include "hw/qdev-properties.h" -#include "net/net.h" -#include "qemu/module.h" -#include "trace.h" -#include "hw/sysbus.h" -#include "migration/vmstate.h" -#include "qom/object.h" - -/* MIPSnet register offsets */ - -#define MIPSNET_DEV_ID 0x00 -#define MIPSNET_BUSY 0x08 -#define MIPSNET_RX_DATA_COUNT 0x0c -#define MIPSNET_TX_DATA_COUNT 0x10 -#define MIPSNET_INT_CTL 0x14 -# define MIPSNET_INTCTL_TXDONE 0x00000001 -# define MIPSNET_INTCTL_RXDONE 0x00000002 -# define MIPSNET_INTCTL_TESTBIT 0x80000000 -#define MIPSNET_INTERRUPT_INFO 0x18 -#define MIPSNET_RX_DATA_BUFFER 0x1c -#define MIPSNET_TX_DATA_BUFFER 0x20 - -#define MAX_ETH_FRAME_SIZE 1514 - -#define TYPE_MIPS_NET "mipsnet" -OBJECT_DECLARE_SIMPLE_TYPE(MIPSnetState, MIPS_NET) - -struct MIPSnetState { - SysBusDevice parent_obj; - - uint32_t busy; - uint32_t rx_count; - uint32_t rx_read; - uint32_t tx_count; - uint32_t tx_written; - uint32_t intctl; - uint8_t rx_buffer[MAX_ETH_FRAME_SIZE]; - uint8_t tx_buffer[MAX_ETH_FRAME_SIZE]; - MemoryRegion io; - qemu_irq irq; - NICState *nic; - NICConf conf; -}; - -static void mipsnet_reset(MIPSnetState *s) -{ - s->busy = 1; - s->rx_count = 0; - s->rx_read = 0; - s->tx_count = 0; - s->tx_written = 0; - s->intctl = 0; - memset(s->rx_buffer, 0, MAX_ETH_FRAME_SIZE); - memset(s->tx_buffer, 0, MAX_ETH_FRAME_SIZE); -} - -static void mipsnet_update_irq(MIPSnetState *s) -{ - int isr = !!s->intctl; - trace_mipsnet_irq(isr, s->intctl); - qemu_set_irq(s->irq, isr); -} - -static int mipsnet_buffer_full(MIPSnetState *s) -{ - if (s->rx_count >= MAX_ETH_FRAME_SIZE) { - return 1; - } - return 0; -} - -static int mipsnet_can_receive(NetClientState *nc) -{ - MIPSnetState *s = qemu_get_nic_opaque(nc); - - if (s->busy) { - return 0; - } - return !mipsnet_buffer_full(s); -} - -static ssize_t mipsnet_receive(NetClientState *nc, - const uint8_t *buf, size_t size) -{ - MIPSnetState *s = qemu_get_nic_opaque(nc); - - trace_mipsnet_receive(size); - if (!mipsnet_can_receive(nc)) { - return 0; - } - - if (size >= sizeof(s->rx_buffer)) { - return 0; - } - s->busy = 1; - - /* Just accept everything. */ - - /* Write packet data. */ - memcpy(s->rx_buffer, buf, size); - - s->rx_count = size; - s->rx_read = 0; - - /* Now we can signal we have received something. */ - s->intctl |= MIPSNET_INTCTL_RXDONE; - mipsnet_update_irq(s); - - return size; -} - -static uint64_t mipsnet_ioport_read(void *opaque, hwaddr addr, - unsigned int size) -{ - MIPSnetState *s = opaque; - int ret = 0; - - addr &= 0x3f; - switch (addr) { - case MIPSNET_DEV_ID: - ret = be32_to_cpu(0x4d495053); /* MIPS */ - break; - case MIPSNET_DEV_ID + 4: - ret = be32_to_cpu(0x4e455430); /* NET0 */ - break; - case MIPSNET_BUSY: - ret = s->busy; - break; - case MIPSNET_RX_DATA_COUNT: - ret = s->rx_count; - break; - case MIPSNET_TX_DATA_COUNT: - ret = s->tx_count; - break; - case MIPSNET_INT_CTL: - ret = s->intctl; - s->intctl &= ~MIPSNET_INTCTL_TESTBIT; - break; - case MIPSNET_INTERRUPT_INFO: - /* XXX: This seems to be a per-VPE interrupt number. */ - ret = 0; - break; - case MIPSNET_RX_DATA_BUFFER: - if (s->rx_count) { - s->rx_count--; - ret = s->rx_buffer[s->rx_read++]; - if (mipsnet_can_receive(s->nic->ncs)) { - qemu_flush_queued_packets(qemu_get_queue(s->nic)); - } - } - break; - /* Reads as zero. */ - case MIPSNET_TX_DATA_BUFFER: - default: - break; - } - trace_mipsnet_read(addr, ret); - return ret; -} - -static void mipsnet_ioport_write(void *opaque, hwaddr addr, - uint64_t val, unsigned int size) -{ - MIPSnetState *s = opaque; - - addr &= 0x3f; - trace_mipsnet_write(addr, val); - switch (addr) { - case MIPSNET_TX_DATA_COUNT: - s->tx_count = (val <= MAX_ETH_FRAME_SIZE) ? val : 0; - s->tx_written = 0; - break; - case MIPSNET_INT_CTL: - if (val & MIPSNET_INTCTL_TXDONE) { - s->intctl &= ~MIPSNET_INTCTL_TXDONE; - } else if (val & MIPSNET_INTCTL_RXDONE) { - s->intctl &= ~MIPSNET_INTCTL_RXDONE; - } else if (val & MIPSNET_INTCTL_TESTBIT) { - mipsnet_reset(s); - s->intctl |= MIPSNET_INTCTL_TESTBIT; - } else if (!val) { - /* ACK testbit interrupt, flag was cleared on read. */ - } - s->busy = !!s->intctl; - mipsnet_update_irq(s); - if (mipsnet_can_receive(s->nic->ncs)) { - qemu_flush_queued_packets(qemu_get_queue(s->nic)); - } - break; - case MIPSNET_TX_DATA_BUFFER: - s->tx_buffer[s->tx_written++] = val; - if ((s->tx_written >= MAX_ETH_FRAME_SIZE) - || (s->tx_written == s->tx_count)) { - /* Send buffer. */ - trace_mipsnet_send(s->tx_written); - qemu_send_packet(qemu_get_queue(s->nic), - s->tx_buffer, s->tx_written); - s->tx_count = s->tx_written = 0; - s->intctl |= MIPSNET_INTCTL_TXDONE; - s->busy = 1; - mipsnet_update_irq(s); - } - break; - /* Read-only registers */ - case MIPSNET_DEV_ID: - case MIPSNET_BUSY: - case MIPSNET_RX_DATA_COUNT: - case MIPSNET_INTERRUPT_INFO: - case MIPSNET_RX_DATA_BUFFER: - default: - break; - } -} - -static const VMStateDescription vmstate_mipsnet = { - .name = "mipsnet", - .version_id = 0, - .minimum_version_id = 0, - .fields = (const VMStateField[]) { - VMSTATE_UINT32(busy, MIPSnetState), - VMSTATE_UINT32(rx_count, MIPSnetState), - VMSTATE_UINT32(rx_read, MIPSnetState), - VMSTATE_UINT32(tx_count, MIPSnetState), - VMSTATE_UINT32(tx_written, MIPSnetState), - VMSTATE_UINT32(intctl, MIPSnetState), - VMSTATE_BUFFER(rx_buffer, MIPSnetState), - VMSTATE_BUFFER(tx_buffer, MIPSnetState), - VMSTATE_END_OF_LIST() - } -}; - -static NetClientInfo net_mipsnet_info = { - .type = NET_CLIENT_DRIVER_NIC, - .size = sizeof(NICState), - .receive = mipsnet_receive, -}; - -static const MemoryRegionOps mipsnet_ioport_ops = { - .read = mipsnet_ioport_read, - .write = mipsnet_ioport_write, - .impl.min_access_size = 1, - .impl.max_access_size = 4, -}; - -static void mipsnet_realize(DeviceState *dev, Error **errp) -{ - SysBusDevice *sbd = SYS_BUS_DEVICE(dev); - MIPSnetState *s = MIPS_NET(dev); - - memory_region_init_io(&s->io, OBJECT(dev), &mipsnet_ioport_ops, s, - "mipsnet-io", 36); - sysbus_init_mmio(sbd, &s->io); - sysbus_init_irq(sbd, &s->irq); - - s->nic = qemu_new_nic(&net_mipsnet_info, &s->conf, - object_get_typename(OBJECT(dev)), dev->id, - &dev->mem_reentrancy_guard, s); - qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a); -} - -static void mipsnet_sysbus_reset(DeviceState *dev) -{ - MIPSnetState *s = MIPS_NET(dev); - mipsnet_reset(s); -} - -static const Property mipsnet_properties[] = { - DEFINE_NIC_PROPERTIES(MIPSnetState, conf), -}; - -static void mipsnet_class_init(ObjectClass *klass, const void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - - dc->realize = mipsnet_realize; - set_bit(DEVICE_CATEGORY_NETWORK, dc->categories); - dc->desc = "MIPS Simulator network device"; - device_class_set_legacy_reset(dc, mipsnet_sysbus_reset); - dc->vmsd = &vmstate_mipsnet; - device_class_set_props(dc, mipsnet_properties); -} - -static const TypeInfo mipsnet_info = { - .name = TYPE_MIPS_NET, - .parent = TYPE_SYS_BUS_DEVICE, - .instance_size = sizeof(MIPSnetState), - .class_init = mipsnet_class_init, -}; - -static void mipsnet_register_types(void) -{ - type_register_static(&mipsnet_info); -} - -type_init(mipsnet_register_types) diff --git a/hw/net/Kconfig b/hw/net/Kconfig index 7f80218d10f..2b513d68958 100644 --- a/hw/net/Kconfig +++ b/hw/net/Kconfig @@ -82,9 +82,6 @@ config OPENCORES_ETH config XGMAC bool -config MIPSNET - bool - config ALLWINNER_EMAC bool diff --git a/hw/net/meson.build b/hw/net/meson.build index e6759e26ca6..913eaedbc52 100644 --- a/hw/net/meson.build +++ b/hw/net/meson.build @@ -23,7 +23,6 @@ system_ss.add(when: 'CONFIG_LAN9118_PHY', if_true: files('lan9118_phy.c')) system_ss.add(when: 'CONFIG_NE2000_ISA', if_true: files('ne2000-isa.c')) system_ss.add(when: 'CONFIG_OPENCORES_ETH', if_true: files('opencores_eth.c')) system_ss.add(when: 'CONFIG_XGMAC', if_true: files('xgmac.c')) -system_ss.add(when: 'CONFIG_MIPSNET', if_true: files('mipsnet.c')) system_ss.add(when: 'CONFIG_XILINX_AXI', if_true: files('xilinx_axienet.c')) system_ss.add(when: 'CONFIG_ALLWINNER_EMAC', if_true: files('allwinner_emac.c')) system_ss.add(when: 'CONFIG_ALLWINNER_SUN8I_EMAC', if_true: files('allwinner-sun8i-emac.c')) diff --git a/hw/net/trace-events b/hw/net/trace-events index 72b69c4a8bb..e82d7490c33 100644 --- a/hw/net/trace-events +++ b/hw/net/trace-events @@ -20,13 +20,6 @@ lan9118_phy_reset(void) "" lance_mem_readw(uint64_t addr, uint32_t ret) "addr=0x%"PRIx64"val=0x%04x" lance_mem_writew(uint64_t addr, uint32_t val) "addr=0x%"PRIx64"val=0x%04x" -# mipsnet.c -mipsnet_send(uint32_t size) "sending len=%u" -mipsnet_receive(uint32_t size) "receiving len=%u" -mipsnet_read(uint64_t addr, uint32_t val) "read addr=0x%" PRIx64 " val=0x%x" -mipsnet_write(uint64_t addr, uint64_t val) "write addr=0x%" PRIx64 " val=0x%" PRIx64 -mipsnet_irq(uint32_t isr, uint32_t intctl) "set irq to %d (0x%02x)" - # ne2000.c ne2000_read(uint64_t addr, uint64_t val) "read addr=0x%" PRIx64 " val=0x%" PRIx64 ne2000_write(uint64_t addr, uint64_t val) "write addr=0x%" PRIx64 " val=0x%" PRIx64 -- 2.51.0