diff options
Diffstat (limited to 'c/src/lib/libbsp/m68k/mvme167/startup/bspstart.c')
-rw-r--r-- | c/src/lib/libbsp/m68k/mvme167/startup/bspstart.c | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/c/src/lib/libbsp/m68k/mvme167/startup/bspstart.c b/c/src/lib/libbsp/m68k/mvme167/startup/bspstart.c deleted file mode 100644 index 7ff6d2b118..0000000000 --- a/c/src/lib/libbsp/m68k/mvme167/startup/bspstart.c +++ /dev/null @@ -1,80 +0,0 @@ -/** - * @file - * - * Board-specific initialization code. Called from the generic boot_card() - * function defined in rtems/c/src/lib/libbsp/shared/main.c. That function - * does some of the board independent initialization. It is called from the - * generic MC680x0 entry point _start() defined in - * rtems/c/src/lib/start/m68k/start.s - * - * _start() has set up a stack, has zeroed the .bss section, has turned off - * interrupts, and placed the processor in the supervisor mode. boot_card() - * has left the processor in that state when bsp_start() was called. - * - * RUNS WITH ADDRESS TRANSLATION AND CACHING TURNED OFF! - * ASSUMES THAT THE VIRTUAL ADDRESSES WILL BE IDENTICAL TO THE PHYSICAL - * ADDRESSES. Software-controlled address translation would be required - * otherwise. - * - * ASSUMES THAT 167BUG IS PRESENT TO CATCH ANY EXCEPTIONS DURING - * INITIALIZATION. - */ - -/* - * COPYRIGHT (c) 1989-2012. - * 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.org/license/LICENSE. - * - * Modifications of respective RTEMS files: - * Copyright (c) 1998, National Research Council of Canada - */ - -#include <bsp.h> -#include <bsp/bootcard.h> -#include <page_table.h> - -void M68KFPSPInstallExceptionHandlers (void); - -void bsp_start( void ) -{ - void **rom_monitor_vector_table; - int index; - - /* - * 167Bug Vectors are at 0xFFE00000 - */ - rom_monitor_vector_table = (void **)0xFFE00000; - m68k_set_vbr( rom_monitor_vector_table ); - - /* - * Copy 167Bug Bus Error handler into our exception vector. All 167Bug - * exception vectors are the same and point to the generalized exception - * handler. The bus error handler is the one that Motorola says to copy - * (p. 2-13, Debugging Package for Motorola 68K CISC CPUs User's Manual - * 68KBUG/D1A3, October 1993). - */ - for ( index=2 ; index<=255 ; index++ ) - M68Kvec[ index ] = rom_monitor_vector_table[ 2 ]; - - /* Any exceptions during initialization should be trapped by 167Bug */ - m68k_set_vbr( &M68Kvec ); - - /* Install the 68040 FPSP here */ - M68KFPSPInstallExceptionHandlers(); - - /* - * You may wish to make the VME arbitration round-robin here, currently - * we leave it as it is. - */ - - /* Set the Interrupt Base Vectors */ - lcsr->vector_base = (VBR0 << 28) | (VBR1 << 24); - - /* - * Initialize address translation - */ - page_table_init(); -} |