handlers.hh

来自「M5,一个功能强大的多处理器系统模拟器.很多针对处理器架构,性能的研究都使用它作」· HH 代码 · 共 191 行

/*
 * Copyright (c) 2003, 2004
 * The Regents of The University of Michigan
 * All Rights Reserved
 *
 * This code is part of the M5 simulator.
 *
 * Permission is granted to use, copy, create derivative works and
 * redistribute this software and such derivative works for any
 * purpose, so long as the copyright notice above, this grant of
 * permission, and the disclaimer below appear in all copies made; and
 * so long as the name of The University of Michigan is not used in
 * any advertising or publicity pertaining to the use or distribution
 * of this software without specific, written prior authorization.
 *
 * THIS SOFTWARE IS PROVIDED AS IS, WITHOUT REPRESENTATION FROM THE
 * UNIVERSITY OF MICHIGAN AS TO ITS FITNESS FOR ANY PURPOSE, AND
 * WITHOUT WARRANTY BY THE UNIVERSITY OF MICHIGAN OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE. THE REGENTS OF THE UNIVERSITY OF MICHIGAN SHALL NOT BE
 * LIABLE FOR ANY DAMAGES, INCLUDING DIRECT, SPECIAL, INDIRECT,
 * INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WITH RESPECT TO ANY CLAIM
 * ARISING OUT OF OR IN CONNECTION WITH THE USE OF THE SOFTWARE, EVEN
 * IF IT HAS BEEN OR IS HEREAFTER ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGES.
 *
 * Authors: Gabe M. Black
 */

#ifndef __ARCH_SPARC_HANDLERS_HH__
#define __ARCH_SPARC_HANDLERS_HH__

#include "arch/sparc/isa_traits.hh"
#include "arch/sparc/types.hh"
#include "sim/byteswap.hh"

namespace SparcISA {

//We only use 19 instructions for the trap handlers, but there would be
//space for 32 in a real SPARC trap table.
const int numFillInsts = 32;
const int numSpillInsts = 32;

const MachInst fillHandler64[numFillInsts] =
{
    htog(0x87802016), //wr %g0, ASI_AIUP, %asi
    htog(0xe0dba7ff), //ldxa [%sp + BIAS + (0*8)] %asi, %l0
    htog(0xe2dba807), //ldxa [%sp + BIAS + (1*8)] %asi, %l1
    htog(0xe4dba80f), //ldxa [%sp + BIAS + (2*8)] %asi, %l2
    htog(0xe6dba817), //ldxa [%sp + BIAS + (3*8)] %asi, %l3
    htog(0xe8dba81f), //ldxa [%sp + BIAS + (4*8)] %asi, %l4
    htog(0xeadba827), //ldxa [%sp + BIAS + (5*8)] %asi, %l5
    htog(0xecdba82f), //ldxa [%sp + BIAS + (6*8)] %asi, %l6
    htog(0xeedba837), //ldxa [%sp + BIAS + (7*8)] %asi, %l7
    htog(0xf0dba83f), //ldxa [%sp + BIAS + (8*8)] %asi, %i0
    htog(0xf2dba847), //ldxa [%sp + BIAS + (9*8)] %asi, %i1
    htog(0xf4dba84f), //ldxa [%sp + BIAS + (10*8)] %asi, %i2
    htog(0xf6dba857), //ldxa [%sp + BIAS + (11*8)] %asi, %i3
    htog(0xf8dba85f), //ldxa [%sp + BIAS + (12*8)] %asi, %i4
    htog(0xfadba867), //ldxa [%sp + BIAS + (13*8)] %asi, %i5
    htog(0xfcdba86f), //ldxa [%sp + BIAS + (14*8)] %asi, %i6
    htog(0xfedba877), //ldxa [%sp + BIAS + (15*8)] %asi, %i7
    htog(0x83880000), //restored
    htog(0x83F00000), //retry
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000)  //illtrap
};

const MachInst fillHandler32[numFillInsts] =
{
    htog(0x87802016), //wr %g0, ASI_AIUP, %asi
    htog(0xe083a000), //lduwa [%sp + (0*4)] %asi, %l0
    htog(0xe283a004), //lduwa [%sp + (1*4)] %asi, %l1
    htog(0xe483a008), //lduwa [%sp + (2*4)] %asi, %l2
    htog(0xe683a00c), //lduwa [%sp + (3*4)] %asi, %l3
    htog(0xe883a010), //lduwa [%sp + (4*4)] %asi, %l4
    htog(0xea83a014), //lduwa [%sp + (5*4)] %asi, %l5
    htog(0xec83a018), //lduwa [%sp + (6*4)] %asi, %l6
    htog(0xee83a01c), //lduwa [%sp + (7*4)] %asi, %l7
    htog(0xf083a020), //lduwa [%sp + (8*4)] %asi, %i0
    htog(0xf283a024), //lduwa [%sp + (9*4)] %asi, %i1
    htog(0xf483a028), //lduwa [%sp + (10*4)] %asi, %i2
    htog(0xf683a02c), //lduwa [%sp + (11*4)] %asi, %i3
    htog(0xf883a030), //lduwa [%sp + (12*4)] %asi, %i4
    htog(0xfa83a034), //lduwa [%sp + (13*4)] %asi, %i5
    htog(0xfc83a038), //lduwa [%sp + (14*4)] %asi, %i6
    htog(0xfe83a03c), //lduwa [%sp + (15*4)] %asi, %i7
    htog(0x83880000), //restored
    htog(0x83F00000), //retry
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000)  //illtrap
};

const MachInst spillHandler64[numSpillInsts] =
{
    htog(0x87802016), //wr %g0, ASI_AIUP, %asi
    htog(0xe0f3a7ff), //stxa %l0, [%sp + BIAS + (0*8)] %asi
    htog(0xe2f3a807), //stxa %l1, [%sp + BIAS + (1*8)] %asi
    htog(0xe4f3a80f), //stxa %l2, [%sp + BIAS + (2*8)] %asi
    htog(0xe6f3a817), //stxa %l3, [%sp + BIAS + (3*8)] %asi
    htog(0xe8f3a81f), //stxa %l4, [%sp + BIAS + (4*8)] %asi
    htog(0xeaf3a827), //stxa %l5, [%sp + BIAS + (5*8)] %asi
    htog(0xecf3a82f), //stxa %l6, [%sp + BIAS + (6*8)] %asi
    htog(0xeef3a837), //stxa %l7, [%sp + BIAS + (7*8)] %asi
    htog(0xf0f3a83f), //stxa %i0, [%sp + BIAS + (8*8)] %asi
    htog(0xf2f3a847), //stxa %i1, [%sp + BIAS + (9*8)] %asi
    htog(0xf4f3a84f), //stxa %i2, [%sp + BIAS + (10*8)] %asi
    htog(0xf6f3a857), //stxa %i3, [%sp + BIAS + (11*8)] %asi
    htog(0xf8f3a85f), //stxa %i4, [%sp + BIAS + (12*8)] %asi
    htog(0xfaf3a867), //stxa %i5, [%sp + BIAS + (13*8)] %asi
    htog(0xfcf3a86f), //stxa %i6, [%sp + BIAS + (14*8)] %asi
    htog(0xfef3a877), //stxa %i7, [%sp + BIAS + (15*8)] %asi
    htog(0x81880000), //saved
    htog(0x83F00000), //retry
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000)  //illtrap
};

const MachInst spillHandler32[numSpillInsts] =
{
    htog(0x87802016), //wr %g0, ASI_AIUP, %asi
    htog(0xe0a3a000), //stwa %l0, [%sp + (0*4)] %asi
    htog(0xe2a3a004), //stwa %l1, [%sp + (1*4)] %asi
    htog(0xe4a3a008), //stwa %l2, [%sp + (2*4)] %asi
    htog(0xe6a3a00c), //stwa %l3, [%sp + (3*4)] %asi
    htog(0xe8a3a010), //stwa %l4, [%sp + (4*4)] %asi
    htog(0xeaa3a014), //stwa %l5, [%sp + (5*4)] %asi
    htog(0xeca3a018), //stwa %l6, [%sp + (6*4)] %asi
    htog(0xeea3a01c), //stwa %l7, [%sp + (7*4)] %asi
    htog(0xf0a3a020), //stwa %i0, [%sp + (8*4)] %asi
    htog(0xf2a3a024), //stwa %i1, [%sp + (9*4)] %asi
    htog(0xf4a3a028), //stwa %i2, [%sp + (10*4)] %asi
    htog(0xf6a3a02c), //stwa %i3, [%sp + (11*4)] %asi
    htog(0xf8a3a030), //stwa %i4, [%sp + (12*4)] %asi
    htog(0xfaa3a034), //stwa %i5, [%sp + (13*4)] %asi
    htog(0xfca3a038), //stwa %i6, [%sp + (14*4)] %asi
    htog(0xfea3a03c), //stwa %i7, [%sp + (15*4)] %asi
    htog(0x81880000), //saved
    htog(0x83F00000), //retry
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000), //illtrap
    htog(0x00000000)  //illtrap
};

} // namespace SparcISA
#endif // __ARCH_SPARC_HANDLERS_HH__