0,0 → 1,80 |
# |
# Copyright (C) 2005 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. |
# |
|
.section K_TEXT_START |
.global k_text_start |
k_text_start: |
|
.global kernel_image_start |
|
stack0: |
kernel_image_start: |
# initialize register stack |
alloc r1 = ar.pfs, 0, 0, 0, 0 ;; |
|
# initialize memory stack to some sane value |
movl r12=stack0 |
|
# initialize gp (Global Pointer) register |
movl r1=k_text_start |
|
# |
# Initialize hardcoded_* variables. |
# (IA-64 port doesn't get these values from linker.) |
# |
movl r8 = k_text_start ;; |
movl r9 = k_text_end ;; |
sub r8 = r9, r8 |
addl r10 = @gprel(hardcoded_ktext_size), gp;; |
st4 [r10] = r8 ;; |
|
movl r8 = k_data_start ;; |
movl r9 = k_data_end ;; |
sub r8 = r9, r8 |
addl r10 = @gprel(hardcoded_kdata_size), gp;; |
st4 [r10] = r8 ;; |
|
addl r10 = @gprel(hardcoded_load_address), gp;; |
st8 [r10] = r1 |
|
br.call.sptk.many b0=main_bsp |
|
0: |
br 0b |
|
.section K_TEXT_END |
.global k_text_end |
k_text_end: |
|
.section K_DATA_START |
.global k_data_start |
k_data_start: |
|
.section K_DATA_END |
.global k_data_end |
k_data_end: |