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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [lib/] [libcpu/] [powerpc/] [mpc505/] [vectors/] [vectors.S] - Blame information for rev 173

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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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