From 010f3f5fbd5f8edc1a584b5388f8ea2ad518a439 Mon Sep 17 00:00:00 2001 From: "Edgar E. Iglesias" Date: Fri, 26 Aug 2011 00:13:47 +0200 Subject: xilinx: Convert most xilinx devices to MemoryRegion This converts ethlite, intc, timer and uartlite to use MemoryRegions. Signed-off-by: Edgar E. Iglesias --- hw/xilinx_ethlite.c | 27 ++++++++++++++++----------- hw/xilinx_intc.c | 29 ++++++++++++++++------------- hw/xilinx_timer.c | 31 +++++++++++++++++-------------- hw/xilinx_uartlite.c | 32 ++++++++++++++++---------------- 4 files changed, 65 insertions(+), 54 deletions(-) (limited to 'hw') diff --git a/hw/xilinx_ethlite.c b/hw/xilinx_ethlite.c index f35ba84..6f44c84 100644 --- a/hw/xilinx_ethlite.c +++ b/hw/xilinx_ethlite.c @@ -50,6 +50,7 @@ struct xlx_ethlite { SysBusDevice busdev; + MemoryRegion mmio; qemu_irq irq; NICState *nic; NICConf conf; @@ -70,7 +71,8 @@ static inline void eth_pulse_irq(struct xlx_ethlite *s) } } -static uint32_t eth_readl (void *opaque, target_phys_addr_t addr) +static uint64_t +eth_read(void *opaque, target_phys_addr_t addr, unsigned int size) { struct xlx_ethlite *s = opaque; uint32_t r = 0; @@ -98,10 +100,12 @@ static uint32_t eth_readl (void *opaque, target_phys_addr_t addr) } static void -eth_writel (void *opaque, target_phys_addr_t addr, uint32_t value) +eth_write(void *opaque, target_phys_addr_t addr, + uint64_t val64, unsigned int size) { struct xlx_ethlite *s = opaque; unsigned int base = 0; + uint32_t value = val64; addr >>= 2; switch (addr) @@ -146,12 +150,14 @@ eth_writel (void *opaque, target_phys_addr_t addr, uint32_t value) } } -static CPUReadMemoryFunc * const eth_read[] = { - NULL, NULL, ð_readl, -}; - -static CPUWriteMemoryFunc * const eth_write[] = { - NULL, NULL, ð_writel, +static const MemoryRegionOps eth_ops = { + .read = eth_read, + .write = eth_write, + .endianness = DEVICE_NATIVE_ENDIAN, + .valid = { + .min_access_size = 4, + .max_access_size = 4 + } }; static int eth_can_rx(VLANClientState *nc) @@ -206,13 +212,12 @@ static NetClientInfo net_xilinx_ethlite_info = { static int xilinx_ethlite_init(SysBusDevice *dev) { struct xlx_ethlite *s = FROM_SYSBUS(typeof (*s), dev); - int regs; sysbus_init_irq(dev, &s->irq); s->rxbuf = 0; - regs = cpu_register_io_memory(eth_read, eth_write, s, DEVICE_NATIVE_ENDIAN); - sysbus_init_mmio(dev, R_MAX * 4, regs); + memory_region_init_io(&s->mmio, ð_ops, s, "xilinx-ethlite", R_MAX * 4); + sysbus_init_mmio_region(dev, &s->mmio); qemu_macaddr_default_if_unset(&s->conf.macaddr); s->nic = qemu_new_nic(&net_xilinx_ethlite_info, &s->conf, diff --git a/hw/xilinx_intc.c b/hw/xilinx_intc.c index cb72d5a..58b73d9 100644 --- a/hw/xilinx_intc.c +++ b/hw/xilinx_intc.c @@ -40,6 +40,7 @@ struct xlx_pic { SysBusDevice busdev; + MemoryRegion mmio; qemu_irq parent_irq; /* Configuration reg chosen at synthesis-time. QEMU populates @@ -72,7 +73,8 @@ static void update_irq(struct xlx_pic *p) } } -static uint32_t pic_readl (void *opaque, target_phys_addr_t addr) +static uint64_t +pic_read(void *opaque, target_phys_addr_t addr, unsigned int size) { struct xlx_pic *p = opaque; uint32_t r = 0; @@ -91,9 +93,11 @@ static uint32_t pic_readl (void *opaque, target_phys_addr_t addr) } static void -pic_writel (void *opaque, target_phys_addr_t addr, uint32_t value) +pic_write(void *opaque, target_phys_addr_t addr, + uint64_t val64, unsigned int size) { struct xlx_pic *p = opaque; + uint32_t value = val64; addr >>= 2; D(qemu_log("%s addr=%x val=%x\n", __func__, addr * 4, value)); @@ -116,14 +120,14 @@ pic_writel (void *opaque, target_phys_addr_t addr, uint32_t value) update_irq(p); } -static CPUReadMemoryFunc * const pic_read[] = { - NULL, NULL, - &pic_readl, -}; - -static CPUWriteMemoryFunc * const pic_write[] = { - NULL, NULL, - &pic_writel, +static const MemoryRegionOps pic_ops = { + .read = pic_read, + .write = pic_write, + .endianness = DEVICE_NATIVE_ENDIAN, + .valid = { + .min_access_size = 4, + .max_access_size = 4 + } }; static void irq_handler(void *opaque, int irq, int level) @@ -148,13 +152,12 @@ static void irq_handler(void *opaque, int irq, int level) static int xilinx_intc_init(SysBusDevice *dev) { struct xlx_pic *p = FROM_SYSBUS(typeof (*p), dev); - int pic_regs; qdev_init_gpio_in(&dev->qdev, irq_handler, 32); sysbus_init_irq(dev, &p->parent_irq); - pic_regs = cpu_register_io_memory(pic_read, pic_write, p, DEVICE_NATIVE_ENDIAN); - sysbus_init_mmio(dev, R_MAX * 4, pic_regs); + memory_region_init_io(&p->mmio, &pic_ops, p, "xilinx-pic", R_MAX * 4); + sysbus_init_mmio_region(dev, &p->mmio); return 0; } diff --git a/hw/xilinx_timer.c b/hw/xilinx_timer.c index f1c7abc..8779c56 100644 --- a/hw/xilinx_timer.c +++ b/hw/xilinx_timer.c @@ -59,6 +59,7 @@ struct xlx_timer struct timerblock { SysBusDevice busdev; + MemoryRegion mmio; qemu_irq irq; uint32_t nr_timers; uint32_t freq_hz; @@ -85,7 +86,8 @@ static void timer_update_irq(struct timerblock *t) qemu_set_irq(t->irq, !!irq); } -static uint32_t timer_readl (void *opaque, target_phys_addr_t addr) +static uint64_t +timer_read(void *opaque, target_phys_addr_t addr, unsigned int size) { struct timerblock *t = opaque; struct xlx_timer *xt; @@ -134,11 +136,13 @@ static void timer_enable(struct xlx_timer *xt) } static void -timer_writel (void *opaque, target_phys_addr_t addr, uint32_t value) +timer_write(void *opaque, target_phys_addr_t addr, + uint64_t val64, unsigned int size) { struct timerblock *t = opaque; struct xlx_timer *xt; unsigned int timer; + uint32_t value = val64; addr >>= 2; timer = timer_from_addr(addr); @@ -166,14 +170,14 @@ timer_writel (void *opaque, target_phys_addr_t addr, uint32_t value) timer_update_irq(t); } -static CPUReadMemoryFunc * const timer_read[] = { - NULL, NULL, - &timer_readl, -}; - -static CPUWriteMemoryFunc * const timer_write[] = { - NULL, NULL, - &timer_writel, +static const MemoryRegionOps timer_ops = { + .read = timer_read, + .write = timer_write, + .endianness = DEVICE_NATIVE_ENDIAN, + .valid = { + .min_access_size = 4, + .max_access_size = 4 + } }; static void timer_hit(void *opaque) @@ -192,7 +196,6 @@ static int xilinx_timer_init(SysBusDevice *dev) { struct timerblock *t = FROM_SYSBUS(typeof (*t), dev); unsigned int i; - int timer_regs; /* All timers share a single irq line. */ sysbus_init_irq(dev, &t->irq); @@ -209,9 +212,9 @@ static int xilinx_timer_init(SysBusDevice *dev) ptimer_set_freq(xt->ptimer, t->freq_hz); } - timer_regs = cpu_register_io_memory(timer_read, timer_write, t, - DEVICE_NATIVE_ENDIAN); - sysbus_init_mmio(dev, R_MAX * 4 * t->nr_timers, timer_regs); + memory_region_init_io(&t->mmio, &timer_ops, t, "xilinx-timer", + R_MAX * 4 * t->nr_timers); + sysbus_init_mmio_region(dev, &t->mmio); return 0; } diff --git a/hw/xilinx_uartlite.c b/hw/xilinx_uartlite.c index 467a26c..ceb7b4d 100644 --- a/hw/xilinx_uartlite.c +++ b/hw/xilinx_uartlite.c @@ -49,6 +49,7 @@ struct xlx_uartlite { SysBusDevice busdev; + MemoryRegion mmio; CharDriverState *chr; qemu_irq irq; @@ -82,7 +83,8 @@ static void uart_update_status(struct xlx_uartlite *s) s->regs[R_STATUS] = r; } -static uint32_t uart_readl (void *opaque, target_phys_addr_t addr) +static uint64_t +uart_read(void *opaque, target_phys_addr_t addr, unsigned int size) { struct xlx_uartlite *s = opaque; uint32_t r = 0; @@ -107,9 +109,11 @@ static uint32_t uart_readl (void *opaque, target_phys_addr_t addr) } static void -uart_writel (void *opaque, target_phys_addr_t addr, uint32_t value) +uart_write(void *opaque, target_phys_addr_t addr, + uint64_t val64, unsigned int size) { struct xlx_uartlite *s = opaque; + uint32_t value = val64; unsigned char ch = value; addr >>= 2; @@ -147,16 +151,14 @@ uart_writel (void *opaque, target_phys_addr_t addr, uint32_t value) uart_update_irq(s); } -static CPUReadMemoryFunc * const uart_read[] = { - &uart_readl, - &uart_readl, - &uart_readl, -}; - -static CPUWriteMemoryFunc * const uart_write[] = { - &uart_writel, - &uart_writel, - &uart_writel, +static const MemoryRegionOps uart_ops = { + .read = uart_read, + .write = uart_write, + .endianness = DEVICE_NATIVE_ENDIAN, + .valid = { + .min_access_size = 1, + .max_access_size = 4 + } }; static void uart_rx(void *opaque, const uint8_t *buf, int size) @@ -196,14 +198,12 @@ static void uart_event(void *opaque, int event) static int xilinx_uartlite_init(SysBusDevice *dev) { struct xlx_uartlite *s = FROM_SYSBUS(typeof (*s), dev); - int uart_regs; sysbus_init_irq(dev, &s->irq); uart_update_status(s); - uart_regs = cpu_register_io_memory(uart_read, uart_write, s, - DEVICE_NATIVE_ENDIAN); - sysbus_init_mmio(dev, R_MAX * 4, uart_regs); + memory_region_init_io(&s->mmio, &uart_ops, s, "xilinx-uartlite", R_MAX * 4); + sysbus_init_mmio_region(dev, &s->mmio); s->chr = qdev_init_chardev(&dev->qdev); if (s->chr) -- cgit v1.1