diff options
Diffstat (limited to 'c/src/lib/libbsp/avr/avrtest/include/bsp.h')
-rw-r--r-- | c/src/lib/libbsp/avr/avrtest/include/bsp.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/avr/avrtest/include/bsp.h b/c/src/lib/libbsp/avr/avrtest/include/bsp.h new file mode 100644 index 0000000000..5a1e679f84 --- /dev/null +++ b/c/src/lib/libbsp/avr/avrtest/include/bsp.h @@ -0,0 +1,55 @@ +/* bsp.h + * + * This include file contains some definitions specific to the + * h8 simulator in gdb. + * + * COPYRIGHT (c) 1989-1999. + * 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. + * + * $Id$ + */ + +#ifndef _BSP_H +#define _BSP_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include <bspopts.h> + +#include <rtems.h> +#include <rtems/iosupp.h> +#include <rtems/console.h> +#include <rtems/clockdrv.h> + +/* support for simulated clock tick */ +Thread clock_driver_sim_idle_body(uintptr_t); +#define BSP_IDLE_TASK_BODY clock_driver_sim_idle_body + +/* + * Simple spin delay in microsecond units for device drivers. + * This is very dependent on the clock speed of the target. + */ + +#define rtems_bsp_delay( microseconds ) \ + { register uint32_t _delay=(microseconds); \ + register uint32_t _tmp = 0; /* initialized to avoid warning */ \ + asm volatile( "0: \ + remo 3,31,%0 ; \ + cmpo 0,%0 ; \ + subo 1,%1,%1 ; \ + cmpobne.t 0,%1,0b " \ + : "=d" (_tmp), "=d" (_delay) \ + : "0" (_tmp), "1" (_delay) ); \ + } + +#ifdef __cplusplus +} +#endif + +#endif |