From 8a53d56fdc3eae18f38d864659cef205c37c8a42 Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Mon, 8 Aug 2011 21:32:25 +0300 Subject: milkymist-minimac2: convert to memory API Reviewed-by: Richard Henderson Signed-off-by: Avi Kivity --- hw/milkymist-minimac2.c | 43 +++++++++++++++++++++---------------------- 1 file changed, 21 insertions(+), 22 deletions(-) diff --git a/hw/milkymist-minimac2.c b/hw/milkymist-minimac2.c index cd360264c1..fb48e37187 100644 --- a/hw/milkymist-minimac2.c +++ b/hw/milkymist-minimac2.c @@ -97,6 +97,8 @@ struct MilkymistMinimac2State { NICConf conf; char *phy_model; target_phys_addr_t buffers_base; + MemoryRegion buffers; + MemoryRegion regs_region; qemu_irq rx_irq; qemu_irq tx_irq; @@ -320,8 +322,8 @@ static ssize_t minimac2_rx(VLANClientState *nc, const uint8_t *buf, size_t size) return size; } -static uint32_t -minimac2_read(void *opaque, target_phys_addr_t addr) +static uint64_t +minimac2_read(void *opaque, target_phys_addr_t addr, unsigned size) { MilkymistMinimac2State *s = opaque; uint32_t r = 0; @@ -350,7 +352,8 @@ minimac2_read(void *opaque, target_phys_addr_t addr) } static void -minimac2_write(void *opaque, target_phys_addr_t addr, uint32_t value) +minimac2_write(void *opaque, target_phys_addr_t addr, uint64_t value, + unsigned size) { MilkymistMinimac2State *s = opaque; @@ -395,16 +398,14 @@ minimac2_write(void *opaque, target_phys_addr_t addr, uint32_t value) } } -static CPUReadMemoryFunc * const minimac2_read_fn[] = { - NULL, - NULL, - &minimac2_read, -}; - -static CPUWriteMemoryFunc * const minimac2_write_fn[] = { - NULL, - NULL, - &minimac2_write, +static const MemoryRegionOps minimac2_ops = { + .read = minimac2_read, + .write = minimac2_write, + .valid = { + .min_access_size = 4, + .max_access_size = 4, + }, + .endianness = DEVICE_NATIVE_ENDIAN, }; static int minimac2_can_rx(VLANClientState *nc) @@ -457,25 +458,23 @@ static NetClientInfo net_milkymist_minimac2_info = { static int milkymist_minimac2_init(SysBusDevice *dev) { MilkymistMinimac2State *s = FROM_SYSBUS(typeof(*s), dev); - int regs; - ram_addr_t buffers; size_t buffers_size = TARGET_PAGE_ALIGN(3 * MINIMAC2_BUFFER_SIZE); sysbus_init_irq(dev, &s->rx_irq); sysbus_init_irq(dev, &s->tx_irq); - regs = cpu_register_io_memory(minimac2_read_fn, minimac2_write_fn, s, - DEVICE_NATIVE_ENDIAN); - sysbus_init_mmio(dev, R_MAX * 4, regs); + memory_region_init_io(&s->regs_region, &minimac2_ops, s, + "minimac2-mmio", R_MAX * 4); + sysbus_init_mmio_region(dev, &s->regs_region); /* register buffers memory */ - buffers = qemu_ram_alloc(NULL, "milkymist_minimac2.buffers", buffers_size); - s->rx0_buf = qemu_get_ram_ptr(buffers); + memory_region_init_ram(&s->buffers, NULL, "milkymist_minimac2.buffers", + buffers_size); + s->rx0_buf = memory_region_get_ram_ptr(&s->buffers); s->rx1_buf = s->rx0_buf + MINIMAC2_BUFFER_SIZE; s->tx_buf = s->rx1_buf + MINIMAC2_BUFFER_SIZE; - cpu_register_physical_memory(s->buffers_base, buffers_size, - buffers | IO_MEM_RAM); + sysbus_add_memory(dev, s->buffers_base, &s->buffers); qemu_macaddr_default_if_unset(&s->conf.macaddr); s->nic = qemu_new_nic(&net_milkymist_minimac2_info, &s->conf, -- cgit v1.2.3