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/* vectors.s 1.1 - 95/12/04
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*
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* This file contains the assembly code for the PowerPC 505
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* interrupt veneers for RTEMS.
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*
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* Author: Sergei Organov
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*
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* COPYRIGHT (c) 1998 by JPS.
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*
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* To anyone who acknowledges that this file is provided "AS IS"
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* without any express or implied warranty:
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* permission to use, copy, modify, and distribute this file
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* for any purpose is hereby granted without fee, provided that
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* the above copyright notice and this notice appears in all
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* copies, and that the name of i-cubed limited not be used in
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* advertising or publicity pertaining to distribution of the
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* software without specific, written prior permission.
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* i-cubed limited makes no representations about the suitability
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* of this software for any purpose.
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*
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*/
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#include "asm.h"
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#include "ppc_offs.h"
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/* Vector offsets */
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.set reset, 0x0100 # PPC_IRQ_RESET
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.set machine_check, 0x0200 # PPC_IRQ_MCHECK
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.set dsi, 0x0300 # PPC_IRQ_PROTECT
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.set isi, 0x0400 # PPC_IRQ_ISI
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.set external_interrupt, 0x0500 # PPC_IRQ_EXTERNAL
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.set alignment, 0x0600 # PPC_IRQ_ALIGN
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.set program, 0x0700 # PPC_IRQ_PROGRAM
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.set fp_unavailable, 0x0800 # PPC_IRQ_NOFP
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.set decrementer, 0x0900 # PPC_IRQ_DEC
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.set system_call, 0x0C00 # PPC_IRQ_SCALL
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.set trace, 0x0D00 # PPC_IRQ_TRACE
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.set fp_assist, 0x0E00 # PPC_IRQ_FPASSIST
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.set software_emulation, 0x1000 # PPC_IRQ_SOFTEMU
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.set data_bp, 0x1C00 # PPC_IRQ_DATA_BP
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.set istruction_bp, 0x1D00 # PPC_IRQ_INST_BP
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.set m_extern_bp, 0x1E00 # PPC_IRQ_MEXT_BP
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.set nm_extern_bp, 0x1F00 # PPC_IRQ_NMEXT_BP
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#if (PPC_ABI == PPC_ABI_POWEROPEN || PPC_ABI == PPC_ABI_GCC27)
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#define ABI_ADD 20*4
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#else
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#define ABI_ADD 0
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#endif
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#define ISR_HANDLER(vector, irq) \
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.org vector; \
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stwu r1, -(ABI_ADD + IP_END)(r1); \
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stw r0, IP_0(r1); \
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li r0, irq; \
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b PROC (_ISR_Handler);
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/* Go to the right section */
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.section .vect,"ax",@progbits
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.globl __vect
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__vect:
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ISR_HANDLER(reset, PPC_IRQ_RESET)
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ISR_HANDLER(machine_check, PPC_IRQ_MCHECK)
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ISR_HANDLER(dsi, PPC_IRQ_PROTECT)
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ISR_HANDLER(isi, PPC_IRQ_ISI)
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ISR_HANDLER(external_interrupt, PPC_IRQ_EXTERNAL)
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ISR_HANDLER(alignment, PPC_IRQ_ALIGN)
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ISR_HANDLER(program, PPC_IRQ_PROGRAM)
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ISR_HANDLER(fp_unavailable, PPC_IRQ_NOFP)
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ISR_HANDLER(decrementer, PPC_IRQ_DEC)
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ISR_HANDLER(system_call, PPC_IRQ_SCALL)
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ISR_HANDLER(trace, PPC_IRQ_TRACE)
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ISR_HANDLER(fp_assist, PPC_IRQ_FPASSIST)
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ISR_HANDLER(software_emulation, PPC_IRQ_SOFTEMU)
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ISR_HANDLER(data_bp, PPC_IRQ_DATA_BP)
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ISR_HANDLER(istruction_bp, PPC_IRQ_INST_BP)
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ISR_HANDLER(m_extern_bp, PPC_IRQ_MEXT_BP)
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ISR_HANDLER(nm_extern_bp, PPC_IRQ_NMEXT_BP)
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