diff options
Diffstat (limited to 'c/src/lib/libbsp/moxie/moxiesim/console')
-rw-r--r-- | c/src/lib/libbsp/moxie/moxiesim/console/console-io.c | 66 | ||||
-rw-r--r-- | c/src/lib/libbsp/moxie/moxiesim/console/syscalls.S | 15 |
2 files changed, 81 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/moxie/moxiesim/console/console-io.c b/c/src/lib/libbsp/moxie/moxiesim/console/console-io.c new file mode 100644 index 0000000000..886924894e --- /dev/null +++ b/c/src/lib/libbsp/moxie/moxiesim/console/console-io.c @@ -0,0 +1,66 @@ +/* + * This file contains the hardware specific portions of the TTY driver + * for the Moxie GDB simulator. + * + * COPYRIGHT (c) 2011. + * Anthony Green. + * + * COPYRIGHT (c) 1989-2008. + * On-Line Applications Research Corporation (OAR). + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.com/license/LICENSE. + * + */ + +#include <bsp.h> +#include <rtems/libio.h> +#include <stdlib.h> +#include <assert.h> + +/* + * console_initialize_hardware + * + * This routine initializes the console hardware. + * + */ + +void console_initialize_hardware(void) +{ + return; +} + +/* + * console_outbyte_polled + * + * This routine transmits a character using polling. + */ +ssize_t _sys_write(int fd, const void *buf, size_t count); +void console_outbyte_polled( + int port, + char ch +) +{ + _sys_write( 1, &ch, 1 ); +} + +/* + * console_inbyte_nonblocking + * + * This routine polls for a character. + */ + +int console_inbyte_nonblocking( + int port +) +{ + return -1; +} + +#include <rtems/bspIo.h> + +void moxiesim_output_char(char c) { console_outbyte_polled( 0, c ); } + +BSP_output_char_function_type BSP_output_char = moxiesim_output_char; +BSP_polling_getchar_function_type BSP_poll_char = NULL; diff --git a/c/src/lib/libbsp/moxie/moxiesim/console/syscalls.S b/c/src/lib/libbsp/moxie/moxiesim/console/syscalls.S new file mode 100644 index 0000000000..f9a63a29b5 --- /dev/null +++ b/c/src/lib/libbsp/moxie/moxiesim/console/syscalls.S @@ -0,0 +1,15 @@ +/* + * System call support for simulator in gdb. + * + * COPYRIGHT (c) 2011 Anthony Green <green@moxielogic.com> + */ + +#define SYS_write 5 + + .section .text + .align 2 + .global _sys_write +_sys_write: + swi SYS_write + ret + .end |