diff options
Diffstat (limited to 'sysdeps/standalone/m68k/m68020/start.S')
| -rw-r--r-- | sysdeps/standalone/m68k/m68020/start.S | 37 |
1 files changed, 19 insertions, 18 deletions
diff --git a/sysdeps/standalone/m68k/m68020/start.S b/sysdeps/standalone/m68k/m68020/start.S index cbabf5bf07..9d7d779e04 100644 --- a/sysdeps/standalone/m68k/m68020/start.S +++ b/sysdeps/standalone/m68k/m68020/start.S @@ -1,19 +1,19 @@ -/* Copyright (C) 1994 Free Software Foundation, Inc. +/* Copyright (C) 1994, 1996 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 Library General Public License as published by the Free Software Foundation; either version 2 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 Library General Public License for more details. - + You should have received a copy of the GNU Library General Public License along with the GNU C Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 675 Mass Ave, @@ -43,7 +43,7 @@ _M68Kvec: | standard location for vectors .space 4088 | to avoid initial intr stack | from 135BUG on MVME13? as entry | and start code at 0x4000 -around: +around: move.w %sr,initial_sr | save initial values movec %isp,%a0 movel %a0,initial_isp @@ -53,19 +53,19 @@ around: movel %a0,initial_msp oriw #0x0700,%sr | INTERRUPTS OFF!!! - + | | zero out uninitialized data area | zerobss: - moveal #end,%a0 | find end of .bss - moveal #_bss_start,%a1 | find beginning of .bss + moveal #end,%a0 | find end of .bss + moveal #_bss_start,%a1 | find beginning of .bss movel #0,%d0 loop: movel #0,%a1@+ | to zero out uninitialized cmpal %a0,%a1 - jlt loop | loop until _end reached + jlt loop | loop until _end reached movel #heap_size,__C_heap_size | set ___C_heap_size movel #heap_memory,__C_heap_start | set ___C_heap_start @@ -77,14 +77,14 @@ loop: movel #0,%a1@+ | to zero out uninitialized movw #0x3000,%sr | SUPV MODE,INTERRUPTS ON!!! #ifdef NEED_UNDERSCORES - jsr __Board_Initialize | initialize the board + jsr __Board_Initialize | initialize the board #else - jsr _Board_Initialize | initialize the board + jsr _Board_Initialize | initialize the board #endif - move.l #0,%sp@- | envp = NULL - move.l #0,%sp@- | argv = NULL - move.l #0,%sp@- | argc = NULL + move.l #0,%sp@- | envp = NULL + move.l #0,%sp@- | argv = NULL + move.l #0,%sp@- | argc = NULL #ifdef NEED_UNDERSCORES jsr ___libc_init | initialize the library and | call main @@ -93,8 +93,8 @@ loop: movel #0,%a1@+ | to zero out uninitialized | call main #endif add.l #12,%sp - - move.l #0,%sp@- | argc = NULL + + move.l #0,%sp@- | argc = NULL jsr __exit | call the Board specific exit addq.l #4,%sp @@ -121,7 +121,7 @@ _name##: .space _space #define DECLARE_LABEL(_name) \ .globl _name ; \ -_name##: +_name##: #define DECLARE_PTR(_name) DECLARE_SPACE(_name,4,2) #define DECLARE_U32(_name) DECLARE_SPACE(_name,4,2) @@ -139,6 +139,7 @@ DECLARE_U16(initial_sr) DECLARE_LABEL(_environ) DECLARE_PTR(environ) +DECLARE_LABEL(__errno) DECLARE_LABEL(_errno) DECLARE_U32(errno) |