diff options
Diffstat (limited to 'sysdeps/standalone/m68k/m68020/mvme136')
| -rw-r--r-- | sysdeps/standalone/m68k/m68020/mvme136/Dist | 1 | ||||
| -rw-r--r-- | sysdeps/standalone/m68k/m68020/mvme136/Makefile | 23 | ||||
| -rw-r--r-- | sysdeps/standalone/m68k/m68020/mvme136/_exit.c | 50 | ||||
| -rw-r--r-- | sysdeps/standalone/m68k/m68020/mvme136/brdinit.c | 51 | ||||
| -rw-r--r-- | sysdeps/standalone/m68k/m68020/mvme136/console.c | 101 | ||||
| -rw-r--r-- | sysdeps/standalone/m68k/m68020/mvme136/mvme136.ld | 61 |
6 files changed, 0 insertions, 287 deletions
diff --git a/sysdeps/standalone/m68k/m68020/mvme136/Dist b/sysdeps/standalone/m68k/m68020/mvme136/Dist deleted file mode 100644 index 97b90583eb..0000000000 --- a/sysdeps/standalone/m68k/m68020/mvme136/Dist +++ /dev/null @@ -1 +0,0 @@ -mvme136.ld diff --git a/sysdeps/standalone/m68k/m68020/mvme136/Makefile b/sysdeps/standalone/m68k/m68020/mvme136/Makefile deleted file mode 100644 index 122c1b183e..0000000000 --- a/sysdeps/standalone/m68k/m68020/mvme136/Makefile +++ /dev/null @@ -1,23 +0,0 @@ -# Copyright (C) 1993, 1997 Free Software Foundation, Inc. -# This file is part of the GNU C Library. -# Contributed by Joel Sherrill (jsherril@redstone-emh2.army.mil), -# On-Line Applications Research Corporation. - -# The GNU C Library is free software; you can redistribute it and/or -# modify it under the terms of the GNU Lesser General Public -# License as published by the Free Software Foundation; either -# version 2.1 of the License, or (at your option) any later version. - -# The GNU C Library 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. See the GNU -# Lesser General Public License for more details. - -# You should have received a copy of the GNU Lesser General Public -# License along with the GNU C Library; if not, write to the Free -# Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA -# 02111-1307 USA. - -ifeq (bare,$(subdir)) -install-lib += mvme136.ld -endif diff --git a/sysdeps/standalone/m68k/m68020/mvme136/_exit.c b/sysdeps/standalone/m68k/m68020/mvme136/_exit.c deleted file mode 100644 index e5e078c198..0000000000 --- a/sysdeps/standalone/m68k/m68020/mvme136/_exit.c +++ /dev/null @@ -1,50 +0,0 @@ -/* Copyright (C) 1994, 1997, 1999 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Joel Sherrill (jsherril@redstone-emh2.army.mil), - On-Line Applications Research Corporation. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library 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. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <unistd.h> -#include <stdlib.h> -#include "m68020.h" - -/* Return control to 135Bug */ - -void -__exit_trap () -{ - set_vbr( 0 ); /* restore 135Bug vectors */ - asm volatile( "trap #15" ); /* trap to 135Bug */ - asm volatile( ".short 0x63" ); /* return to 135Bug (.RETURN) */ - asm volatile( "jmp main" ); /* restart program */ -} - -/* The function `_exit' should take a status argument and simply - terminate program execution, using the low-order 8 bits of the - given integer as status. */ - -void -__attribute__ ((noreturn)) -_exit (status) - int status; -{ - /* status is ignored */ - - M68Kvec[ 45 ] = __exit_trap; /* install exit_trap handler */ - asm volatile( "trap #13" ); /* insures SUPV mode */ -} -weak_alias (_exit, _Exit) diff --git a/sysdeps/standalone/m68k/m68020/mvme136/brdinit.c b/sysdeps/standalone/m68k/m68020/mvme136/brdinit.c deleted file mode 100644 index 95b81c1e1b..0000000000 --- a/sysdeps/standalone/m68k/m68020/mvme136/brdinit.c +++ /dev/null @@ -1,51 +0,0 @@ -/* Copyright (C) 1994, 1997 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Joel Sherrill (jsherril@redstone-emh2.army.mil), - On-Line Applications Research Corporation. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library 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. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <standalone.h> -#include "m68020.h" - -/* _Board_Initialize() - -This routine initializes the Motorola MVME135/MVME136. */ - -void -_Board_Initialize () -{ - mc68020_isr *monitors_vector_table; - int index; - - monitors_vector_table = (mc68020_isr *)0; /* 135Bug Vectors are at 0 */ - set_vbr( monitors_vector_table ); - - for ( index=2 ; index<=255 ; index++ ) - M68Kvec[ index ] = monitors_vector_table[ 32 ]; - - M68Kvec[ 2 ] = monitors_vector_table[ 2 ]; /* bus error vector */ - M68Kvec[ 4 ] = monitors_vector_table[ 4 ]; /* breakpoints vector */ - M68Kvec[ 9 ] = monitors_vector_table[ 9 ]; /* trace vector */ - M68Kvec[ 47 ] = monitors_vector_table[ 47 ]; /* system call vector */ - - set_vbr( &M68Kvec ); - - (*(unsigned char *)0xfffb0067) = 0x7f; /* make VME access round-robin */ - - enable_caching (); - -} diff --git a/sysdeps/standalone/m68k/m68020/mvme136/console.c b/sysdeps/standalone/m68k/m68020/mvme136/console.c deleted file mode 100644 index 85dee983bf..0000000000 --- a/sysdeps/standalone/m68k/m68020/mvme136/console.c +++ /dev/null @@ -1,101 +0,0 @@ -/* Copyright (C) 1994, 1996 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Joel Sherrill (jsherril@redstone-emh2.army.mil), - On-Line Applications Research Corporation. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library 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. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <standalone.h> -#include "m68020.h" - -/* Console IO routines for a Motorola MVME135/MVME136 board. - -They currently use the B port. It should be possible to -use the A port by filling in the reset of the chip structure, -adding an ifdef for PORTA/PORTB, and switching the addresses, -and maybe the macros based on the macro. */ - -/* M68681 DUART chip register structures and constants */ - -typedef struct { - volatile unsigned char fill1[ 5 ]; /* channel A regs ( not used ) */ - volatile unsigned char isr; /* interrupt status reg */ - volatile unsigned char fill2[ 2 ]; /* counter regs (not used) */ - volatile unsigned char mr1mr2b; /* MR1B and MR2B regs */ - volatile unsigned char srb; /* status reg channel B */ - volatile unsigned char fill3; /* do not access */ - volatile unsigned char rbb; /* receive buffer channel B */ - volatile unsigned char ivr; /* interrupt vector register */ -} r_m681_info; - -typedef struct { - volatile unsigned char fill1[ 4 ]; /* channel A regs (not used) */ - volatile unsigned char acr; /* auxillary control reg */ - volatile unsigned char imr; /* interrupt mask reg */ - volatile unsigned char fill2[ 2 ]; /* counter regs (not used) */ - volatile unsigned char mr1mr2b; /* MR1B and MR2B regs */ - volatile unsigned char csrb; /* clock select reg */ - volatile unsigned char crb; /* command reg */ - volatile unsigned char tbb; /* transmit buffer channel B */ - volatile unsigned char ivr; /* interrupt vector register */ -} w_m681_info; - -#define RD_M68681 ((r_m681_info *)0xfffb0040) /* ptr to the M68681 */ -#define WR_M68681 ((w_m681_info *)0xfffb0040) /* ptr to the M68681 */ -#define RXRDYB 0x01 /* status reg recv ready mask */ -#define TXRDYB 0x04 /* status reg trans ready mask */ - -/* _Console_Putc - -This routine transmits a character out the M68681. It supports -XON/XOFF flow control. */ - -#define XON 0x11 /* control-Q */ -#define XOFF 0x13 /* control-S */ - -int -_Console_Putc (ch) - char ch; -{ - while ( ! (RD_M68681->srb & TXRDYB) ) ; - while ( RD_M68681->srb & RXRDYB ) /* must be an XOFF */ - if ( RD_M68681->rbb == XOFF ) - do { - while ( ! (RD_M68681->srb & RXRDYB) ) ; - } while ( RD_M68681->rbb != XON ); - - WR_M68681->tbb = ch; - return( 0 ); -} - -/* _Console_Getc - -This routine reads a character from the UART and returns it. */ - -int -_Console_Getc (poll) - int poll; -{ - if ( poll ) { - if ( !(RD_M68681->srb & RXRDYB) ) - return -1; - else - return RD_M68681->rbb; - } else { - while ( !(RD_M68681->srb & RXRDYB) ); - return RD_M68681->rbb; - } -} diff --git a/sysdeps/standalone/m68k/m68020/mvme136/mvme136.ld b/sysdeps/standalone/m68k/m68020/mvme136/mvme136.ld deleted file mode 100644 index 9a352f0095..0000000000 --- a/sysdeps/standalone/m68k/m68020/mvme136/mvme136.ld +++ /dev/null @@ -1,61 +0,0 @@ -/* Copyright (C) 1994, 1997 Free Software Foundation, Inc. - Contributed by Joel Sherrill (jsherril@redstone-emh2.army.mil), - On-Line Applications Research Corporation. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library 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. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -/* This file contains directives for the GNU linker which are specific -to the Motorola MVME136/MVME135 boards. */ - -MEMORY - { - ram : org = 0x3000, l = 1M - } - -/* This value is also when the space is allocated. If you change -this one, change the other one!!! */ - -heap_size = 0x20000; - -SECTIONS -{ - .text 0x3000 : - { - text_start = ABSOLUTE(.) ; - *(.text) - etext = ALIGN( 0x10 ) ; - } - - .data ADDR( .text ) + SIZEOF( .text ): - { - data_start = . ; - *(.data) - edata = ALIGN( 0x10 ) ; - } - - .bss ADDR( .data ) + SIZEOF( .data ): - { - bss_start = . ; - _bss_start = . ; - *(.bss) - *(COMMON) - heap_memory = .; - . += 0x20000; - end = . ; - _end = . ; - } -} |