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Re: [PATCH v3 1/2] hw/char: sifive_uart


From: Alistair Francis
Subject: Re: [PATCH v3 1/2] hw/char: sifive_uart
Date: Mon, 14 Jun 2021 12:13:54 +1000

On Mon, Jun 14, 2021 at 12:13 AM Lukas Jünger
<lukas.juenger@greensocs.com> wrote:
>
> Make function names consistent
>
> Signed-off-by: Lukas Jünger <lukas.juenger@greensocs.com>

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>

Alistair

> ---
>  hw/char/sifive_uart.c | 46 ++++++++++++++++++++++---------------------
>  1 file changed, 24 insertions(+), 22 deletions(-)
>
> diff --git a/hw/char/sifive_uart.c b/hw/char/sifive_uart.c
> index fe12666789..5df8212961 100644
> --- a/hw/char/sifive_uart.c
> +++ b/hw/char/sifive_uart.c
> @@ -31,7 +31,7 @@
>   */
>
>  /* Returns the state of the IP (interrupt pending) register */
> -static uint64_t uart_ip(SiFiveUARTState *s)
> +static uint64_t sifive_uart_ip(SiFiveUARTState *s)
>  {
>      uint64_t ret = 0;
>
> @@ -48,7 +48,7 @@ static uint64_t uart_ip(SiFiveUARTState *s)
>      return ret;
>  }
>
> -static void update_irq(SiFiveUARTState *s)
> +static void sifive_uart_update_irq(SiFiveUARTState *s)
>  {
>      int cond = 0;
>      if ((s->ie & SIFIVE_UART_IE_TXWM) ||
> @@ -63,7 +63,7 @@ static void update_irq(SiFiveUARTState *s)
>  }
>
>  static uint64_t
> -uart_read(void *opaque, hwaddr addr, unsigned int size)
> +sifive_uart_read(void *opaque, hwaddr addr, unsigned int size)
>  {
>      SiFiveUARTState *s = opaque;
>      unsigned char r;
> @@ -74,7 +74,7 @@ uart_read(void *opaque, hwaddr addr, unsigned int size)
>              memmove(s->rx_fifo, s->rx_fifo + 1, s->rx_fifo_len - 1);
>              s->rx_fifo_len--;
>              qemu_chr_fe_accept_input(&s->chr);
> -            update_irq(s);
> +            sifive_uart_update_irq(s);
>              return r;
>          }
>          return 0x80000000;
> @@ -84,7 +84,7 @@ uart_read(void *opaque, hwaddr addr, unsigned int size)
>      case SIFIVE_UART_IE:
>          return s->ie;
>      case SIFIVE_UART_IP:
> -        return uart_ip(s);
> +        return sifive_uart_ip(s);
>      case SIFIVE_UART_TXCTRL:
>          return s->txctrl;
>      case SIFIVE_UART_RXCTRL:
> @@ -99,8 +99,8 @@ uart_read(void *opaque, hwaddr addr, unsigned int size)
>  }
>
>  static void
> -uart_write(void *opaque, hwaddr addr,
> -           uint64_t val64, unsigned int size)
> +sifive_uart_write(void *opaque, hwaddr addr,
> +                  uint64_t val64, unsigned int size)
>  {
>      SiFiveUARTState *s = opaque;
>      uint32_t value = val64;
> @@ -109,11 +109,11 @@ uart_write(void *opaque, hwaddr addr,
>      switch (addr) {
>      case SIFIVE_UART_TXFIFO:
>          qemu_chr_fe_write(&s->chr, &ch, 1);
> -        update_irq(s);
> +        sifive_uart_update_irq(s);
>          return;
>      case SIFIVE_UART_IE:
>          s->ie = val64;
> -        update_irq(s);
> +        sifive_uart_update_irq(s);
>          return;
>      case SIFIVE_UART_TXCTRL:
>          s->txctrl = val64;
> @@ -129,9 +129,9 @@ uart_write(void *opaque, hwaddr addr,
>                    __func__, (int)addr, (int)value);
>  }
>
> -static const MemoryRegionOps uart_ops = {
> -    .read = uart_read,
> -    .write = uart_write,
> +static const MemoryRegionOps sifive_uart_ops = {
> +    .read = sifive_uart_read,
> +    .write = sifive_uart_write,
>      .endianness = DEVICE_NATIVE_ENDIAN,
>      .valid = {
>          .min_access_size = 4,
> @@ -139,7 +139,7 @@ static const MemoryRegionOps uart_ops = {
>      }
>  };
>
> -static void uart_rx(void *opaque, const uint8_t *buf, int size)
> +static void sifive_uart_rx(void *opaque, const uint8_t *buf, int size)
>  {
>      SiFiveUARTState *s = opaque;
>
> @@ -150,26 +150,27 @@ static void uart_rx(void *opaque, const uint8_t *buf, 
> int size)
>      }
>      s->rx_fifo[s->rx_fifo_len++] = *buf;
>
> -    update_irq(s);
> +    sifive_uart_update_irq(s);
>  }
>
> -static int uart_can_rx(void *opaque)
> +static int sifive_uart_can_rx(void *opaque)
>  {
>      SiFiveUARTState *s = opaque;
>
>      return s->rx_fifo_len < sizeof(s->rx_fifo);
>  }
>
> -static void uart_event(void *opaque, QEMUChrEvent event)
> +static void sifive_uart_event(void *opaque, QEMUChrEvent event)
>  {
>  }
>
> -static int uart_be_change(void *opaque)
> +static int sifive_uart_be_change(void *opaque)
>  {
>      SiFiveUARTState *s = opaque;
>
> -    qemu_chr_fe_set_handlers(&s->chr, uart_can_rx, uart_rx, uart_event,
> -        uart_be_change, s, NULL, true);
> +    qemu_chr_fe_set_handlers(&s->chr, sifive_uart_can_rx, sifive_uart_rx,
> +                             sifive_uart_event, sifive_uart_be_change, s,
> +                             NULL, true);
>
>      return 0;
>  }
> @@ -183,9 +184,10 @@ SiFiveUARTState *sifive_uart_create(MemoryRegion 
> *address_space, hwaddr base,
>      SiFiveUARTState *s = g_malloc0(sizeof(SiFiveUARTState));
>      s->irq = irq;
>      qemu_chr_fe_init(&s->chr, chr, &error_abort);
> -    qemu_chr_fe_set_handlers(&s->chr, uart_can_rx, uart_rx, uart_event,
> -        uart_be_change, s, NULL, true);
> -    memory_region_init_io(&s->mmio, NULL, &uart_ops, s,
> +    qemu_chr_fe_set_handlers(&s->chr, sifive_uart_can_rx, sifive_uart_rx,
> +                             sifive_uart_event, sifive_uart_be_change, s,
> +                             NULL, true);
> +    memory_region_init_io(&s->mmio, NULL, &sifive_uart_ops, s,
>                            TYPE_SIFIVE_UART, SIFIVE_UART_MAX);
>      memory_region_add_subregion(address_space, base, &s->mmio);
>      return s;
> --
> 2.31.1
>
>



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