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#
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#
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# Copyright (C) 2005 Jakub Jermar
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# Copyright (C) 2005 Jakub Jermar
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# All rights reserved.
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# All rights reserved.
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#
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#
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# Redistribution and use in source and binary forms, with or without
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# modification, are permitted provided that the following conditions
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# are met:
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# are met:
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#
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#
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# - Redistributions of source code must retain the above copyright
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# - Redistributions of source code must retain the above copyright
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#   notice, this list of conditions and the following disclaimer.
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#   notice, this list of conditions and the following disclaimer.
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# - Redistributions in binary form must reproduce the above copyright
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# - Redistributions in binary form must reproduce the above copyright
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#   notice, this list of conditions and the following disclaimer in the
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#   notice, this list of conditions and the following disclaimer in the
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#   documentation and/or other materials provided with the distribution.
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#   documentation and/or other materials provided with the distribution.
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# - The name of the author may not be used to endorse or promote products
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# - The name of the author may not be used to endorse or promote products
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#   derived from this software without specific prior written permission.
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#   derived from this software without specific prior written permission.
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#
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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#
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#include <arch/ski/ski.h>
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.section K_TEXT_START
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.section K_TEXT_START
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.global k_text_start
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.global k_text_start
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k_text_start:
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k_text_start:
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.global kernel_image_start
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.global kernel_image_start
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stack0:
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stack0:
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kernel_image_start:
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kernel_image_start:
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	# initialize register stack
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	# initialize register stack
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	alloc r1 = ar.pfs, 0, 0, 0, 0	;;
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	alloc r1 = ar.pfs, 0, 0, 0, 0	;;
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	# initialize memory stack to some sane value
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	# initialize memory stack to some sane value
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	movl r12=stack0
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	movl r12=stack0
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	# initialize gp (Global Pointer) register
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	# initialize gp (Global Pointer) register
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	movl r1=k_text_start
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	movl r1=k_text_start
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	#
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	#
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	# Initialize hardcoded_* variables.
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	# Initialize hardcoded_* variables.
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	# (IA-64 port doesn't get these values from linker.)
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	# (IA-64 port doesn't get these values from linker.)
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	#
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	#
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	movl r8 = k_text_start	;;
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	movl r8 = k_text_start	;;
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	movl r9 = k_text_end	;;
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	movl r9 = k_text_end	;;
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	sub r8 = r9, r8		;;
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	sub r8 = r9, r8
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	addl r10 = @gprel(hardcoded_ktext_size), gp;;
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	addl r10 = @gprel(hardcoded_ktext_size), gp;;
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	st4 [r10] = r8		;;
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	st4 [r10] = r8		;;
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	movl r8 = k_data_start	;;
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	movl r8 = k_data_start	;;
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	movl r9 = k_data_end	;;
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	movl r9 = k_data_end	;;
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	sub r8 = r9, r8		;;
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	sub r8 = r9, r8
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	addl r10 = @gprel(hardcoded_kdata_size), gp;;
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	addl r10 = @gprel(hardcoded_kdata_size), gp;;
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	st4 [r10] = r8		;;
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	st4 [r10] = r8		;;
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	addl r10 = @gprel(hardcoded_load_address), gp;;
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	addl r10 = @gprel(hardcoded_load_address), gp;;
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	st8 [r10] = r1
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	st8 [r10] = r1
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	# initialize Ski console using SSC (Simulator System Call)
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	mov r15=SKI_CONSOLE_INIT
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	break 0x80000
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	br.call.sptk.many b0=main_bsp
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	br.call.sptk.many b0=main_bsp
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0:
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0:
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	br 0b
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	br 0b
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.section K_TEXT_END
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.section K_TEXT_END
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.global k_text_end
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.global k_text_end
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k_text_end:
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k_text_end:
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.section K_DATA_START
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.section K_DATA_START
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.global k_data_start
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.global k_data_start
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k_data_start:
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k_data_start:
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.section K_DATA_END
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.section K_DATA_END
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.global k_data_end
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.global k_data_end
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k_data_end:
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k_data_end:
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