0,0 → 1,68 |
# |
# Copyright (c) 2006 Martin Decky |
# Copyright (c) 2006 Jakub Jermar |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - 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. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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. |
# |
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#include <stack.h> |
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.section BOOTSTRAP, "ax" |
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.global start |
start: |
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mov ar.rsc = r0 |
# movl r8 = (VRN_KERNEL << VRN_SHIFT) ;; |
movl r1 = 0x4400000 |
movl r8 = initial_stack ;; |
mov ar.bspstore = r8 |
loadrs |
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# initialize memory stack to some sane value |
movl r12 = initial_stack_top ;; |
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add r12 = -16, r12 /* allocate a scratch area on the stack */ |
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# initialize gp (Global Pointer) register |
#movl r1 = _hardcoded_load_address |
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ssm (1 << 19) ;; /* Disable f32 - f127 */ |
srlz.i |
srlz.d ;; |
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movl r18 = bootstrap ;; |
mov b1 = r18 ;; |
br.call.sptk.many b0 = b1 |
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.bss #on this line is ".bss", it cannot be seen in my mcedit :-( |
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.align 8192 |
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initial_stack: |
.space 8192 |
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initial_stack_top: |