[PATCH 2/2] libbsp/or1ksim: Fix warnings.

Joel Sherrill joel.sherrill at oarcorp.com
Mon Oct 13 18:24:14 UTC 2014


On 10/13/2014 1:06 PM, Hesham Moustafa wrote:
> Please have a look at this patch.
>
> On Fri, Oct 10, 2014 at 6:45 PM, Hesham ALMatary
> <heshamelmatary at gmail.com <mailto:heshamelmatary at gmail.com>> wrote:
>
>     ---
>      c/src/lib/libbsp/or1k/or1ksim/clock/clockdrv.c |  2 +-
>      c/src/lib/libbsp/or1k/or1ksim/console/uart.c   | 15 +++++++++++----
>      2 files changed, 12 insertions(+), 5 deletions(-)
>
>     diff --git a/c/src/lib/libbsp/or1k/or1ksim/clock/clockdrv.c
>     b/c/src/lib/libbsp/or1k/or1ksim/clock/clockdrv.c
>     index ad49d07..4169a11 100644
>     --- a/c/src/lib/libbsp/or1k/or1ksim/clock/clockdrv.c
>     +++ b/c/src/lib/libbsp/or1k/or1ksim/clock/clockdrv.c
>     @@ -137,8 +137,8 @@ CPU_Counter_ticks _CPU_Counter_difference(
>
>      #define Clock_driver_support_install_isr(isr, old_isr) \
>        do {                                                 \
>     -    or1ksim_clock_handler_install(isr, old_isr);               \
>          old_isr = NULL;                                    \
>     +    or1ksim_clock_handler_install(isr, old_isr);       \
>        } while (0)
>
Is old_isr an ISR or a pointer to an ISR method? I was wondering
if that should be *old_isr and be set in or1k_clock_handler_install.
>
>      #define Clock_driver_support_shutdown_hardware()
>     or1ksim_clock_cleanup()
>     diff --git a/c/src/lib/libbsp/or1k/or1ksim/console/uart.c
>     b/c/src/lib/libbsp/or1k/or1ksim/console/uart.c
>     index 7ceca81..31cdce6 100644
>     --- a/c/src/lib/libbsp/or1k/or1ksim/console/uart.c
>     +++ b/c/src/lib/libbsp/or1k/or1ksim/console/uart.c
>
This all looks right. I did this same thing to a LOT of BSPs. :(
>
>     @@ -21,6 +21,14 @@
>      #include <bsp/uart.h>
>      #include <rtems/score/isr.h>
>
>     +static void uart_initialize(int minor);
>     +static int  uart_first_open(int major, int minor, void *arg);
>     +static int  uart_last_close(int major, int minor, void *arg);
>     +static int  uart_read_polled(int minor);
>     +static ssize_t uart_write(int minor, const char *buf, size_t len);
>     +static void uart_write_polled(int minor, char c);
>     +static int  uart_set_attributes(int minor, const struct termios *t);
>     +
>      static rtems_vector_number uart_get_irq_number(const console_tbl *ct)
>      {
>         return ct->ulIntVector;
>     @@ -86,10 +94,9 @@ static int uart_last_close(int major, int
>     minor, void *arg)
>        return 0;
>      }
>
>     -static char uart_read_polled(int minor)
>     +static int uart_read_polled(int minor)
>      {
>        unsigned char lsr;
>     -  char c;
>
>       /* Get a character when avaiable */
>        do {
>     @@ -120,7 +127,7 @@ static void uart_write_polled(int minor, char c)
>        } while ( (lsr & transmit_finished) != transmit_finished );
>      }
>
>     -static ssize_t uart_write_support_polled(
>     +static ssize_t uart_write(
>        int minor,
>        const char *s,
>        size_t n
>     @@ -145,7 +152,7 @@ const console_fns or1ksim_uart_fns = {
>        .deviceFirstOpen = uart_first_open,
>        .deviceLastClose = uart_last_close,
>        .deviceRead = uart_read_polled,
>     -  .deviceWrite = uart_write_support_polled,
>     +  .deviceWrite = uart_write,
>        .deviceInitialize = uart_initialize,
>        .deviceWritePolled = uart_write_polled,
>        .deviceSetAttributes = uart_set_attributes,
>     --
>     1.9.3
>
>

-- 
Joel Sherrill, Ph.D.             Director of Research & Development
joel.sherrill at OARcorp.com        On-Line Applications Research
Ask me about RTEMS: a free RTOS  Huntsville AL 35805
Support Available                (256) 722-9985

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