diff options
Diffstat (limited to 'c/src/lib/libbsp/i386/force386/startup')
| -rw-r--r-- | c/src/lib/libbsp/i386/force386/startup/bspstart.c | 144 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i386/force386/startup/exit.c | 29 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i386/force386/startup/ldsegs.s | 86 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i386/force386/startup/linkcmds | 44 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i386/force386/startup/setvec.c | 59 |
5 files changed, 0 insertions, 362 deletions
diff --git a/c/src/lib/libbsp/i386/force386/startup/bspstart.c b/c/src/lib/libbsp/i386/force386/startup/bspstart.c deleted file mode 100644 index 78def6375c..0000000000 --- a/c/src/lib/libbsp/i386/force386/startup/bspstart.c +++ /dev/null @@ -1,144 +0,0 @@ -/* bsp_start() - * - * 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. - * - * INPUT: NONE - * - * OUTPUT: NONE - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include <rtems.h> -#include <bsp.h> -#include <libcsupport.h> - -#include <stackchk.h> - -/* - * The original table from the application and our copy of it with - * some changes. - */ - -extern rtems_configuration_table Configuration; -rtems_configuration_table BSP_Configuration; - -rtems_cpu_table Cpu_table; - -/* Initialize whatever libc we are using - * called from postdriver hook - */ - -void bsp_libc_init() -{ - extern int end; - rtems_unsigned32 heap_start; - - heap_start = (rtems_unsigned32) &end; - if (heap_start & (CPU_ALIGNMENT-1)) - heap_start = (heap_start + CPU_ALIGNMENT) & ~(CPU_ALIGNMENT-1); - - RTEMS_Malloc_Initialize((void *) heap_start, 64 * 1024, 0); - - /* - * Set up for the libc handling. - */ - - if (BSP_Configuration.ticks_per_timeslice > 0) - libc_init(1); /* reentrant if possible */ - else - libc_init(0); /* non-reentrant */ - - /* - * Initialize the stack bounds checker - */ - -#ifdef STACK_CHECKER_ON - Stack_check_Initialize(); -#endif - -} - -int bsp_start( - int argc, - char **argv, - char **environp -) -{ - /* - * FORCE documentation incorrectly states that the bus request - * level is initialized to 3. It is actually initialized by - * FORCEbug to 0. - */ - - outport_byte( 0x00, 0x3f ); /* resets VMEbus request level */ - - /* - * we do not use the pretasking_hook. - */ - - Cpu_table.pretasking_hook = NULL; - - Cpu_table.predriver_hook = bsp_libc_init; /* RTEMS resources available */ - - Cpu_table.postdriver_hook = NULL; /* Call our main() for constructors */ - - Cpu_table.idle_task = NULL; /* do not override system IDLE task */ - - Cpu_table.do_zero_of_workspace = TRUE; - - Cpu_table.interrupt_table_segment = get_ds(); - - Cpu_table.interrupt_table_offset = (void *)Interrupt_descriptor_table; - - Cpu_table.interrupt_stack_size = 4096; - - Cpu_table.extra_system_initialization_stack = 0; - - /* - * Copy the table - */ - - BSP_Configuration = Configuration; - - BSP_Configuration.work_space_start = (void *) - RAM_END - BSP_Configuration.work_space_size; - - /* - * Add 1 region for Malloc in libc_low - */ - - BSP_Configuration.maximum_regions++; - - /* - * Add 1 extension for newlib libc - */ - -#ifdef RTEMS_NEWLIB - BSP_Configuration.maximum_extensions++; -#endif - - /* - * Add another extension if using the stack checker - */ - -#ifdef STACK_CHECKER_ON - BSP_Configuration.maximum_extensions++; -#endif - - rtems_initialize_executive( &BSP_Configuration, &Cpu_table ); - /* does not return */ - /* no cleanup necessary for Force CPU-386 */ - return 0; -} diff --git a/c/src/lib/libbsp/i386/force386/startup/exit.c b/c/src/lib/libbsp/i386/force386/startup/exit.c deleted file mode 100644 index 717972cec0..0000000000 --- a/c/src/lib/libbsp/i386/force386/startup/exit.c +++ /dev/null @@ -1,29 +0,0 @@ -/* - * exit - * - * This routine returns control to FORCEbug. - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include <rtems.h> -#include <bsp.h> -#include <clockdrv.h> -#include <iodrv.h> - -void _exit( ) -{ - /* Clock or Timer cleanup is run by at_exit() */ - - Io_cleanup(); - - bsp_cleanup(); -} diff --git a/c/src/lib/libbsp/i386/force386/startup/ldsegs.s b/c/src/lib/libbsp/i386/force386/startup/ldsegs.s deleted file mode 100644 index 063c1eccc7..0000000000 --- a/c/src/lib/libbsp/i386/force386/startup/ldsegs.s +++ /dev/null @@ -1,86 +0,0 @@ -/* _load_segments - * - * This file assists the board independent startup code by - * loading the proper segment register values. The values - * loaded are board dependent. - * - * NOTE: No stack has been established when this routine - * is invoked. It returns by jumping back to bspentry. - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include "asm.h" - -BEGIN_CODE - -/* - * FORCEBUG loads us into a virtual address space which - * really starts at PHYSICAL_ADDRESS_BASE. - */ - -.set PHYSICAL_ADDRESS_BASE, 0x00002000 - -/* - * At reset time, FORCEBUG normally has the segment selectors preloaded. - * If a human resets the instruction pointer, this will not have occurred. - * However, no guarantee can be made of the other registers if cs:ip was - * modified to restart the program. Because of this, the BSP reloads all - * segment registers (except cs) with the values they have following - * a reset. - */ - - -.set RESET_SS, 0x40 # initial value of stack segment register -.set RESET_DS, 0x40 # initial value of data segment register -.set RESET_ES, 0x40 # initial value of extra segment register -.set RESET_FS, 0x40 # initial value of "f" segment register -.set RESET_GS, 0x30 # initial value of "g" segment register - - -#define LOAD_SEGMENTS(_value,_segment) \ - movw $ ## _value, ax ; \ - movw _segment, ax - - EXTERN (establish_stack) - - PUBLIC (_load_segments) -SYM (_load_segments): - LOAD_SEGMENTS( RESET_SS, ss ) - LOAD_SEGMENTS( RESET_DS, ds ) - LOAD_SEGMENTS( RESET_ES, es ) - LOAD_SEGMENTS( RESET_FS, fs ) - LOAD_SEGMENTS( RESET_GS, gs ) - - jmp SYM (_establish_stack) # return to the bsp entry code - - PUBLIC (_return_to_monitor) -SYM (_return_to_monitor): - - call SYM (Clock_exit) - movb $0,al - int $0x20 # restart FORCEbug - jmp SYM (start) # FORCEbug does not reset PC - -END_CODE - -BEGIN_DATA - - PUBLIC (_Do_Load_IDT) -SYM (_Do_Load_IDT): - .byte 1 - - PUBLIC (_Do_Load_GDT) -SYM (_Do_Load_GDT): - .byte 0 - -END_DATA -END diff --git a/c/src/lib/libbsp/i386/force386/startup/linkcmds b/c/src/lib/libbsp/i386/force386/startup/linkcmds deleted file mode 100644 index a8e0877e56..0000000000 --- a/c/src/lib/libbsp/i386/force386/startup/linkcmds +++ /dev/null @@ -1,44 +0,0 @@ -/* - * This file contains directives for the GNU linker which are specific - * to the FORCE CPU386 board. - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -MEMORY - { - ram : org = 0x0, l = 1M - } - -SECTIONS -{ - .text 0x0 : - { - _text_start = . ; - *(.text) - _etext = ALIGN( 0x10 ) ; - } - .data ADDR( .text ) + SIZEOF( .text ): - { - _data_start = . ; - *(.data) - _edata = ALIGN( 0x10 ) ; - } - .bss ADDR( .data ) + SIZEOF( .data ): - { - _bss_start = . ; - *(.bss) - *(COMMON) - end = . ; - _end = . ; - __end = . ; - } -} diff --git a/c/src/lib/libbsp/i386/force386/startup/setvec.c b/c/src/lib/libbsp/i386/force386/startup/setvec.c deleted file mode 100644 index 370178a8f5..0000000000 --- a/c/src/lib/libbsp/i386/force386/startup/setvec.c +++ /dev/null @@ -1,59 +0,0 @@ -/* set_vector - * - * This routine installs an interrupt vector on the Force CPU-386. - * - * INPUT: - * handler - interrupt handler entry point - * vector - vector number - * type - 0 indicates raw hardware connect - * 1 indicates RTEMS interrupt connect - * - * RETURNS: - * address of previous interrupt handler - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include <rtems.h> -#include <bsp.h> - -i386_isr set_vector( /* returns old vector */ - rtems_isr_entry handler, /* isr routine */ - rtems_vector_number vector, /* vector number */ - int type /* RTEMS or RAW intr */ -) -{ - i386_isr previous_isr; - i386_IDT_slot idt; - - if ( type ) - rtems_interrupt_catch( handler, vector, (rtems_isr_entry *) &previous_isr ); - else { - /* get the address of the old handler */ - - idt = Interrupt_descriptor_table[ vector ]; - - previous_isr = (i386_isr) - ((idt.offset_16_31 << 16) | idt.offset_0_15); - - /* build the IDT entry */ - idt.offset_0_15 = ((rtems_unsigned32) handler) & 0xffff; - idt.segment_selector = get_cs(); - idt.reserved = 0x00; - idt.p_dpl = 0x8e; /* present, ISR */ - idt.offset_16_31 = ((rtems_unsigned32) handler) >> 16; - - /* install the IDT entry */ - Interrupt_descriptor_table[ vector ] = idt; - } - return previous_isr; -} - |