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#
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#
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# Copyright (C) 2006 Martin Decky
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# Copyright (C) 2006 Martin Decky
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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/asm/regname.h>
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#include <arch/asm/regname.h>
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#include <arch/asm/spr.h>
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#include <arch/mm/page.h>
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.section K_UNMAPPED_TEXT_START, "ax"
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.section K_UNMAPPED_TEXT_START, "ax"
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.org 0x100
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.org 0x100
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.global exc_system_reset
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.global exc_system_reset
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exc_system_reset:
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exc_system_reset:
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	b exc_system_reset
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	b exc_system_reset
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 38 
 
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.org 0x200
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.org 0x200
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.global exc_machine_check
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.global exc_machine_check
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exc_machine_check:
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exc_machine_check:
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	b exc_machine_check
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	b exc_machine_check
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.org 0x300
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.org 0x300
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.global exc_data_storage
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.global exc_data_storage
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exc_data_storage:
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exc_data_storage:
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	b exc_data_storage
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	b exc_data_storage
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.org 0x380
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.org 0x380
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.global exc_data_segment
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.global exc_data_segment
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exc_data_segment:
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exc_data_segment:
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	b exc_data_segment
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	b exc_data_segment
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.org 0x400
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.org 0x400
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.global exc_instruction_storage
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.global exc_instruction_storage
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exc_instruction_storage:
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exc_instruction_storage:
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	b exc_instruction_storage
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	b exc_instruction_storage
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.org 0x480
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.org 0x480
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.global exc_instruction_segment
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.global exc_instruction_segment
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exc_instruction_segment:
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exc_instruction_segment:
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	b exc_instruction_segment
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	b exc_instruction_segment
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.org 0x500
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.org 0x500
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.global exc_external
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.global exc_external
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exc_external:
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exc_external:
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	b exc_external
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	b exc_external
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.org 0x600
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.org 0x600
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.global exc_alignment
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.global exc_alignment
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exc_alignment:
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exc_alignment:
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	b exc_alignment
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	b exc_alignment
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.org 0x700
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.org 0x700
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.global exc_program
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.global exc_program
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exc_program:
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exc_program:
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	b exc_program
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	b exc_program
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.org 0x800
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.org 0x800
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.global exc_fp_unavailable
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.global exc_fp_unavailable
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exc_fp_unavailable:
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exc_fp_unavailable:
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	b exc_fp_unavailable
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	b exc_fp_unavailable
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.org 0x900
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.org 0x900
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.global exc_decrementer
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.global exc_decrementer
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exc_decrementer:
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exc_decrementer:
- 
 
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	mtspr sprg1, sp
- 
 
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- 
 
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	subis sp, sp, 0x8000
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- 
 
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	subi sp, sp, 144
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	stw r0, 0(sp)
- 
 
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	stw r2, 4(sp)
- 
 
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	stw r3, 8(sp)
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	stw r4, 12(sp)
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	stw r5, 16(sp)
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	stw r6, 20(sp)
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	stw r7, 24(sp)
- 
 
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	stw r8, 28(sp)
- 
 
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	stw r9, 32(sp)
- 
 
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	stw r10, 36(sp)
- 
 
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	stw r11, 40(sp)
- 
 
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	stw r12, 44(sp)
- 
 
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	stw r13, 48(sp)
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	stw r14, 52(sp)
- 
 
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	stw r15, 56(sp)
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	stw r16, 60(sp)
- 
 
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	stw r17, 64(sp)
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	stw r18, 68(sp)
- 
 
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	stw r19, 72(sp)
- 
 
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	stw r20, 76(sp)
- 
 
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	stw r21, 80(sp)
- 
 
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	stw r22, 84(sp)
- 
 
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	stw r23, 88(sp)
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	stw r24, 92(sp)
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	stw r25, 96(sp)
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	stw r26, 100(sp)
- 
 
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	stw r27, 104(sp)
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	stw r28, 108(sp)
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	stw r29, 112(sp)
- 
 
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	stw r30, 116(sp)
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	stw r31, 120(sp)
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- 
 
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	mfspr r3, srr0
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	stw r3, 124(sp)
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- 
 
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	mfspr r3, srr1
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	stw r3, 128(sp)
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- 
 
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	mflr r3
- 
 
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	stw r3, 132(sp)
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- 
 
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	mfcr r3
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	stw r3, 136(sp)
- 
 
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- 
 
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	mfctr r3
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	stw r3, 140(sp)
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- 
 
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	mfxer r3
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	stw r3, 144(sp)
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- 
 
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	lis r3, exc_dispatch@ha
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	addi r3, r3, exc_dispatch@l
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	mtspr srr0, r3
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- 
 
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	mfmsr r3
- 
 
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	ori r3, r3, (msr_ir | msr_dr)@l
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	mtspr srr1, r3
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- 
 
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	lis r3, iret@ha
- 
 
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	addi r3, r3, iret@l
- 
 
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	mtlr r3
- 
 
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- 
 
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	addis sp, sp, 0x8000
- 
 
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	li r3, 10
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	rfi
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	rfi
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	b exc_decrementer
 - 
 
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.org 0xa00
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.org 0xa00
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.global exc_reserved0
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.global exc_reserved0
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exc_reserved0:
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exc_reserved0:
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	b exc_reserved0
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	b exc_reserved0
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.org 0xb00
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.org 0xb00
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.global exc_reserved1
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.global exc_reserved1
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exc_reserved1:
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exc_reserved1:
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	b exc_reserved1
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	b exc_reserved1
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.org 0xc00
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.org 0xc00
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.global exc_syscall
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.global exc_syscall
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exc_syscall:
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exc_syscall:
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	b exc_syscall
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	b exc_syscall
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.org 0xd00
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.org 0xd00
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.global exc_trace
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.global exc_trace
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exc_trace:
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exc_trace:
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	b exc_trace
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	b exc_trace
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