hal_mk_defs.c

eCos操作系统源码

//==========================================================================
//
//      hal_mk_defs.c
//
//      HAL (architecture) "make defs" program
//
//==========================================================================
//####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
//
// eCos is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 2 or (at your option) any later version.
//
// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License along
// with eCos; if not, write to the Free Software Foundation, Inc.,
// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
//
// As a special exception, if other files instantiate templates or use macros
// or inline functions from this file, or you compile this file and link it
// with other works to produce a work based on this file, this file does not
// by itself cause the resulting work to be covered by the GNU General Public
// License. However the source code for this file must still be made available
// in accordance with section (3) of the GNU General Public License.
//
// This exception does not invalidate any other reasons why a work based on
// this file might be covered by the GNU General Public License.
//
// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
// at http://sources.redhat.com/ecos/ecos-license/
// -------------------------------------------
//####ECOSGPLCOPYRIGHTEND####
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):    gthomas
// Contributors: gthomas, jskov, jlarmour
// Date:         2000-02-21
// Purpose:      V850 architecture dependent definition generator
// Description:  This file contains code that can be compiled by the target
//               compiler and used to generate machine specific definitions
//               suitable for use in assembly code.
//
//####DESCRIPTIONEND####
//
//==========================================================================

#include <pkgconf/hal.h>

#include <cyg/hal/hal_arch.h>           // HAL header
#include <cyg/hal/hal_intr.h>           // HAL header
#ifdef CYGPKG_KERNEL
# include <pkgconf/kernel.h>
# include <cyg/kernel/instrmnt.h>
#endif
#include <cyg/hal/hal_if.h>

/*
 * This program is used to generate definitions needed by
 * assembly language modules.
 *
 * This technique was first used in the OSF Mach kernel code:
 * generate asm statements containing #defines,
 * compile this file to assembler, and then extract the
 * #defines from the assembly-language output.
 */

#define DEFINE(sym, val) \
        asm volatile("\n\t.equ\t" #sym ",%0" : : "i" (val))

int
main(void)
{
    // setjmp/longjmp buffer
    DEFINE(CYGARC_JMPBUF_SP, offsetof(hal_jmp_buf_t, sp));
    DEFINE(CYGARC_JMPBUF_GP, offsetof(hal_jmp_buf_t, gp));
    DEFINE(CYGARC_JMPBUF_TP, offsetof(hal_jmp_buf_t, tp));
    DEFINE(CYGARC_JMPBUF_R1, offsetof(hal_jmp_buf_t, r1));
    DEFINE(CYGARC_JMPBUF_R2, offsetof(hal_jmp_buf_t, r2));
    DEFINE(CYGARC_JMPBUF_R4, offsetof(hal_jmp_buf_t, r4));
    DEFINE(CYGARC_JMPBUF_R5, offsetof(hal_jmp_buf_t, r5));
    DEFINE(CYGARC_JMPBUF_R20, offsetof(hal_jmp_buf_t, r20));
    DEFINE(CYGARC_JMPBUF_R21, offsetof(hal_jmp_buf_t, r21));
    DEFINE(CYGARC_JMPBUF_R22, offsetof(hal_jmp_buf_t, r22));
    DEFINE(CYGARC_JMPBUF_R23, offsetof(hal_jmp_buf_t, r23));
    DEFINE(CYGARC_JMPBUF_R24, offsetof(hal_jmp_buf_t, r24));
    DEFINE(CYGARC_JMPBUF_R25, offsetof(hal_jmp_buf_t, r25));
    DEFINE(CYGARC_JMPBUF_R26, offsetof(hal_jmp_buf_t, r26));
    DEFINE(CYGARC_JMPBUF_R27, offsetof(hal_jmp_buf_t, r27));
    DEFINE(CYGARC_JMPBUF_R28, offsetof(hal_jmp_buf_t, r28));
    DEFINE(CYGARC_JMPBUF_FP, offsetof(hal_jmp_buf_t, fp));
    DEFINE(CYGARC_JMPBUF_EP, offsetof(hal_jmp_buf_t, ep));
    DEFINE(CYGARC_JMPBUF_LP, offsetof(hal_jmp_buf_t, lp));

    DEFINE(CYGARC_JMPBUF_SIZE, sizeof(hal_jmp_buf_t));

    // Exception/interrupt/context save buffer
    DEFINE(CYGARC_REG_R1, offsetof(HAL_SavedRegisters, d[1]));
    DEFINE(CYGARC_REG_R2, offsetof(HAL_SavedRegisters, d[2]));
    DEFINE(CYGARC_REG_R3, offsetof(HAL_SavedRegisters, d[3]));
    DEFINE(CYGARC_REG_SP, offsetof(HAL_SavedRegisters, d[3]));
    DEFINE(CYGARC_REG_R4, offsetof(HAL_SavedRegisters, d[4]));
    DEFINE(CYGARC_REG_R5, offsetof(HAL_SavedRegisters, d[5]));
    DEFINE(CYGARC_REG_R6, offsetof(HAL_SavedRegisters, d[6]));
    DEFINE(CYGARC_REG_R7, offsetof(HAL_SavedRegisters, d[7]));
    DEFINE(CYGARC_REG_R8, offsetof(HAL_SavedRegisters, d[8]));
    DEFINE(CYGARC_REG_R9, offsetof(HAL_SavedRegisters, d[9]));
    DEFINE(CYGARC_REG_R10, offsetof(HAL_SavedRegisters, d[10]));
    DEFINE(CYGARC_REG_R11, offsetof(HAL_SavedRegisters, d[11]));
    DEFINE(CYGARC_REG_R12, offsetof(HAL_SavedRegisters, d[12]));
    DEFINE(CYGARC_REG_R13, offsetof(HAL_SavedRegisters, d[13]));
    DEFINE(CYGARC_REG_R14, offsetof(HAL_SavedRegisters, d[14]));
    DEFINE(CYGARC_REG_R15, offsetof(HAL_SavedRegisters, d[15]));
    DEFINE(CYGARC_REG_R16, offsetof(HAL_SavedRegisters, d[16]));
    DEFINE(CYGARC_REG_R17, offsetof(HAL_SavedRegisters, d[17]));
    DEFINE(CYGARC_REG_R18, offsetof(HAL_SavedRegisters, d[18]));
    DEFINE(CYGARC_REG_R19, offsetof(HAL_SavedRegisters, d[19]));
    DEFINE(CYGARC_REG_R20, offsetof(HAL_SavedRegisters, d[20]));
    DEFINE(CYGARC_REG_R21, offsetof(HAL_SavedRegisters, d[21]));
    DEFINE(CYGARC_REG_R22, offsetof(HAL_SavedRegisters, d[22]));
    DEFINE(CYGARC_REG_R23, offsetof(HAL_SavedRegisters, d[23]));
    DEFINE(CYGARC_REG_R24, offsetof(HAL_SavedRegisters, d[24]));
    DEFINE(CYGARC_REG_R25, offsetof(HAL_SavedRegisters, d[25]));
    DEFINE(CYGARC_REG_R26, offsetof(HAL_SavedRegisters, d[26]));
    DEFINE(CYGARC_REG_R27, offsetof(HAL_SavedRegisters, d[27]));
    DEFINE(CYGARC_REG_R28, offsetof(HAL_SavedRegisters, d[28]));
    DEFINE(CYGARC_REG_R29, offsetof(HAL_SavedRegisters, d[29]));
    DEFINE(CYGARC_REG_R30, offsetof(HAL_SavedRegisters, d[30]));
    DEFINE(CYGARC_REG_R31, offsetof(HAL_SavedRegisters, d[31]));
    DEFINE(CYGARC_REG_EP, offsetof(HAL_SavedRegisters, d[30]));
    DEFINE(CYGARC_REG_LP, offsetof(HAL_SavedRegisters, d[31]));
    DEFINE(CYGARC_REG_PSW, offsetof(HAL_SavedRegisters, psw));
    DEFINE(CYGARC_REG_PC, offsetof(HAL_SavedRegisters, pc));

    // Below only saved on exceptions/interrupts
    DEFINE(CYGARC_REG_CAUSE, offsetof(HAL_SavedRegisters, cause));
    DEFINE(CYGARC_REG_VECTOR, offsetof(HAL_SavedRegisters, vector));

    DEFINE(CYGARC_EXCEPTION_FRAME_SIZE, sizeof(HAL_SavedRegisters));

    // Some other exception related definitions
    DEFINE(CYGNUM_HAL_ISR_MIN, CYGNUM_HAL_ISR_MIN);
    DEFINE(CYGNUM_HAL_ISR_COUNT, CYGNUM_HAL_ISR_COUNT);
    DEFINE(CYGNUM_HAL_VSR_MAX, CYGNUM_HAL_VSR_MAX);
    DEFINE(CYGNUM_HAL_VSR_COUNT, CYGNUM_HAL_VSR_COUNT);
    DEFINE(CYGNUM_HAL_EXCEPTION_COUNT, CYGNUM_HAL_EXCEPTION_COUNT);
    DEFINE(CYGNUM_HAL_VECTOR_INTWDT, CYGNUM_HAL_VECTOR_INTWDT);
    DEFINE(CYGNUM_HAL_VECTOR_TRAP00, CYGNUM_HAL_VECTOR_TRAP00);
    DEFINE(CYGNUM_HAL_VECTOR_TRAP10, CYGNUM_HAL_VECTOR_TRAP10);
    DEFINE(CYGNUM_HAL_VECTOR_ILGOP, CYGNUM_HAL_VECTOR_ILGOP);
    
    DEFINE(CYGARC_PSW_ID, CYGARC_PSW_ID);
    DEFINE(CYGARC_PSW_EP, CYGARC_PSW_EP);
    DEFINE(CYGARC_PSW_NP, CYGARC_PSW_NP);

#ifdef CYGPKG_KERNEL
    DEFINE(RAISE_INTR, CYG_INSTRUMENT_CLASS_INTR|CYG_INSTRUMENT_EVENT_INTR_RAISE);
#endif

#if defined(CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT)
    DEFINE(CYGNUM_CALL_IF_TABLE_SIZE, CYGNUM_CALL_IF_TABLE_SIZE);
#endif

    // Variant definitions - want these to be included instead.

    return 0;
}

//--------------------------------------------------------------------------
// EOF hal_mk_defs.c