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Diffstat (limited to 'libgloss/m68k/mvme.S')
| -rw-r--r-- | libgloss/m68k/mvme.S | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/libgloss/m68k/mvme.S b/libgloss/m68k/mvme.S deleted file mode 100644 index d2ab37f..0000000 --- a/libgloss/m68k/mvme.S +++ /dev/null @@ -1,155 +0,0 @@ -/* mvme.S -- board support for m68k - * - * Copyright (c) 1995, 1996 Cygnus Support - * - * The authors hereby grant permission to use, copy, modify, distribute, - * and license this software and its documentation for any purpose, provided - * that existing copyright notices are retained in all copies and that this - * notice is included verbatim in any distributions. No written agreement, - * license, or royalty fee is required for any of the authorized uses. - * Modifications to this software may be copyrighted by their authors - * and need not follow the licensing terms described here, provided that - * the new terms are clearly indicated on the first page of each file where - * they apply. - */ - -#include "asm.h" - - .title "mvme.S for m68k-coff" - - .align 2 - .text - .global SYM (_exit) - .global SYM (outln) - .global SYM (outbyte) - .global SYM (putDebugChar) - .global SYM (inbyte) - .global SYM (getDebugChar) - .global SYM (havebyte) - .global SYM (exceptionHandler) - - .set vbr_size, 0x400 - .comm SYM (vbr_table), vbr_size - -/* - * _exit -- Exit from the application. Normally we cause a user trap - * to return to the ROM monitor for another run. - */ -SYM (_exit): - unlk a6 - trap IMM(15) - .word return - - .align 2 - -/* - * inbyte -- get a byte from the serial port - * d0 - contains the byte read in - */ - .align 2 -SYM (getDebugChar): /* symbol name used by m68k-stub */ -SYM (inbyte): - link a6, IMM(-8) - trap IMM(15) - .word inchr - moveb sp@, d0 - extw d0 - extl d0 - unlk a6 - rts - -/* - * outbyte -- sends a byte out the serial port - * d0 - contains the byte to be sent - */ - .align 2 -SYM (putDebugChar): /* symbol name used by m68k-stub */ -SYM (outbyte): - link fp, IMM(-4) - moveb fp@(11), sp@ - trap IMM(15) - .word outchr - unlk fp - rts - -/* - * outln -- sends a string of bytes out the serial port with a CR/LF - * a0 - contains the address of the string's first byte - * a1 - contains the address of the string's last byte - */ - .align 2 -SYM (outln): - link a6, IMM(-8) - moveml a0/a1, sp@ - trap IMM(15) - .word outln - unlk a6 - rts - -/* - * outstr -- sends a string of bytes out the serial port without a CR/LF - * a0 - contains the address of the string's first byte - * a1 - contains the address of the string's last byte - */ - .align 2 -SYM (outstr): - link a6, IMM(-8) - moveml a0/a1, sp@ - trap IMM(15) - .word outstr - unlk a6 - rts - -/* - * havebyte -- checks to see if there is a byte in the serial port, - * returns 1 if there is a byte, 0 otherwise. - */ -SYM (havebyte): - trap IMM(15) - .word instat - beqs empty - movel IMM(1), d0 - rts -empty: - movel IMM(0), d0 - rts - -/* - * These constants are for the MVME-135 board's boot monitor. They - * are used with a TRAP 15 call to access the monitor's I/O routines. - * they must be in the word following the trap call. - */ - .set inchr, 0x0 - .set instat, 0x1 - .set inln, 0x2 - .set readstr, 0x3 - .set readln, 0x4 - .set chkbrk, 0x5 - - .set outchr, 0x20 - .set outstr, 0x21 - .set outln, 0x22 - .set write, 0x23 - .set writeln, 0x24 - .set writdln, 0x25 - .set pcrlf, 0x26 - .set eraseln, 0x27 - .set writd, 0x28 - .set sndbrk, 0x29 - - .set tm_ini, 0x40 - .set dt_ini, 0x42 - .set tm_disp, 0x43 - .set tm_rd, 0x44 - - .set redir, 0x60 - .set redir_i, 0x61 - .set redir_o, 0x62 - .set return, 0x63 - .set bindec, 0x64 - - .set changev, 0x67 - .set strcmp, 0x68 - .set mulu32, 0x69 - .set divu32, 0x6A - .set chk_sum, 0x6B |