diff options
Diffstat (limited to 'c/src/lib/libbsp/sh/shared/startup/bspstart.c')
-rw-r--r-- | c/src/lib/libbsp/sh/shared/startup/bspstart.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/sh/shared/startup/bspstart.c b/c/src/lib/libbsp/sh/shared/startup/bspstart.c new file mode 100644 index 0000000000..c43c9cb5fd --- /dev/null +++ b/c/src/lib/libbsp/sh/shared/startup/bspstart.c @@ -0,0 +1,62 @@ +/* + * This routine starts the application. It includes application, + * board, and monitor specific initialization and configuration. + * The generic CPU dependent initialization has been performed + * before this routine is invoked. + * + * COPYRIGHT (c) 2001. + * Ralf Corsepius (corsepiu@faw.uni-ulm.de). + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + * + * COPYRIGHT (c) 2001. + * 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> + +uint32_t bsp_clicks_per_second; + +#ifndef START_HW_INIT + void bsp_hw_init(void); +#endif + +/* + * bsp_start + * + * This routine does the bulk of the system initialization. + */ +void bsp_start( void ) +{ + /* + * For real boards you need to setup the hardware + * and need to copy the vector table from rom to ram. + * + * Depending on the board this can either be done from inside the rom + * startup code, rtems startup code or here. + */ + + #ifndef START_HW_INIT + /* board hardware setup here, or from 'start.S' */ + bsp_hw_init(); + #endif + + /* + * initialize the interrupt stack for this BSP + */ + #if ( CPU_ALLOCATE_INTERRUPT_STACK == FALSE ) + _CPU_Interrupt_stack_low = &CPU_Interrupt_stack_low ; + _CPU_Interrupt_stack_high = &CPU_Interrupt_stack_high ; + #endif + + /* + * initialize the device driver parameters + */ + bsp_clicks_per_second = CPU_CLOCK_RATE_HZ; +} |