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Diffstat (limited to 'libgloss/mips/idtmon.S')
-rw-r--r-- | libgloss/mips/idtmon.S | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/libgloss/mips/idtmon.S b/libgloss/mips/idtmon.S new file mode 100644 index 000000000..bb1538812 --- /dev/null +++ b/libgloss/mips/idtmon.S @@ -0,0 +1,46 @@ +/* + * idtmon.S -- lo-level entry points into IDT monitor. + * + * Copyright (c) 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. + */ + +#ifdef __mips16 +/* This file contains 32 bit assembly code. */ + .set nomips16 +#endif + +#include "regs.S" + + .text + .align 2 + +/* Provide named functions for entry into the IDT monitor: */ +#define INDIRECT(name,index) \ + .globl name; \ + .ent name; \ +name: la $2,+(0xbfc00000+((index)*8)); \ + j $2; \ + .end name + +/* The following magic numbers are for the slots into the IDT monitor: */ +INDIRECT(open,6) +INDIRECT(read,7) +INDIRECT(write,8) +INDIRECT(close,10) +INDIRECT(inbyte,11) +INDIRECT(outbyte,12) +INDIRECT(mon_printf,16) +INDIRECT(_flush_cache,28) +INDIRECT(get_mem_info,55) /* expects pointer to three word vector */ + +/* EOF idtmon.S */ |