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head/stand/i386/kgzldr/start.S
| Property | Old Value | New Value |
|---|---|---|
| svn:keywords | null | FreeBSD=%H \ No newline at end of property |
| # | |||||
| # Copyright (c) 1999 Global Technology Associates, Inc. | |||||
| # All rights reserved. | |||||
| # | |||||
| # Redistribution and use in source and binary forms, with or without | |||||
| # modification, are permitted provided that the following conditions | |||||
| # are met: | |||||
| # 1. Redistributions of source code must retain the above copyright | |||||
| # notice, this list of conditions and the following disclaimer. | |||||
| # 2. Redistributions in binary form must reproduce the above copyright | |||||
| # notice, this list of conditions and the following disclaimer in the | |||||
| # documentation and/or other materials provided with the distribution. | |||||
| # | |||||
| # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS``AS IS'' AND | |||||
| # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |||||
| # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |||||
| # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS | |||||
| # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, | |||||
| # OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT | |||||
| # OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR | |||||
| # BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | |||||
| # WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE | |||||
| # OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, | |||||
| # EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |||||
| # | |||||
| # $FreeBSD$ | |||||
| # | |||||
| .set entry,0x10 # kgz.entry | |||||
| .globl _start | |||||
| # C startup code for kgzldr. | |||||
| _start: cld # String ops inc | |||||
| movl $_edata,%edi # Start of bss | |||||
| movl $_end,%ecx # Compute | |||||
| subl %edi,%ecx # size | |||||
| xorl %eax,%eax # Zero | |||||
| rep # Clear | |||||
| stosb # bss | |||||
| pushl 0x4(%esp) # Pass howto flags | |||||
| call boot # Call C code | |||||
| popl %ecx # Clear stack | |||||
| jmp *kgz+entry # To loaded code | |||||