4ad40f366f
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1690 c046a42c-6fe2-441c-8c8c-71466251a162
121 lines
2.7 KiB
C
121 lines
2.7 KiB
C
/*
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* MIPS emulation memory micro-operations for qemu.
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*
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* Copyright (c) 2004-2005 Jocelyn Mayer
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/* Standard loads and stores */
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void glue(op_lb, MEMSUFFIX) (void)
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{
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T0 = glue(ldsb, MEMSUFFIX)(T0);
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RETURN();
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}
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void glue(op_lbu, MEMSUFFIX) (void)
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{
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T0 = glue(ldub, MEMSUFFIX)(T0);
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RETURN();
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}
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void glue(op_sb, MEMSUFFIX) (void)
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{
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glue(stb, MEMSUFFIX)(T0, T1);
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RETURN();
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}
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void glue(op_lh, MEMSUFFIX) (void)
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{
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T0 = glue(ldsw, MEMSUFFIX)(T0);
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RETURN();
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}
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void glue(op_lhu, MEMSUFFIX) (void)
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{
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T0 = glue(lduw, MEMSUFFIX)(T0);
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RETURN();
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}
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void glue(op_sh, MEMSUFFIX) (void)
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{
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glue(stw, MEMSUFFIX)(T0, T1);
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RETURN();
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}
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void glue(op_lw, MEMSUFFIX) (void)
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{
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T0 = glue(ldl, MEMSUFFIX)(T0);
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RETURN();
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}
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void glue(op_sw, MEMSUFFIX) (void)
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{
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glue(stl, MEMSUFFIX)(T0, T1);
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RETURN();
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}
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/* "half" load and stores. We must do the memory access inline,
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or fault handling won't work. */
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void glue(op_lwl, MEMSUFFIX) (void)
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{
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uint32_t tmp = glue(ldl, MEMSUFFIX)(T0 & ~3);
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CALL_FROM_TB1(glue(do_lwl, MEMSUFFIX), tmp);
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RETURN();
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}
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void glue(op_lwr, MEMSUFFIX) (void)
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{
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uint32_t tmp = glue(ldl, MEMSUFFIX)(T0 & ~3);
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CALL_FROM_TB1(glue(do_lwr, MEMSUFFIX), tmp);
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RETURN();
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}
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void glue(op_swl, MEMSUFFIX) (void)
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{
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uint32_t tmp = glue(ldl, MEMSUFFIX)(T0 & ~3);
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tmp = CALL_FROM_TB1(glue(do_swl, MEMSUFFIX), tmp);
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glue(stl, MEMSUFFIX)(T0 & ~3, tmp);
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RETURN();
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}
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void glue(op_swr, MEMSUFFIX) (void)
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{
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uint32_t tmp = glue(ldl, MEMSUFFIX)(T0 & ~3);
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tmp = CALL_FROM_TB1(glue(do_swr, MEMSUFFIX), tmp);
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glue(stl, MEMSUFFIX)(T0 & ~3, tmp);
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RETURN();
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}
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void glue(op_ll, MEMSUFFIX) (void)
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{
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T1 = T0;
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T0 = glue(ldl, MEMSUFFIX)(T0);
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env->CP0_LLAddr = T1;
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RETURN();
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}
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void glue(op_sc, MEMSUFFIX) (void)
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{
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CALL_FROM_TB0(dump_sc);
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if (T0 == env->CP0_LLAddr) {
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glue(stl, MEMSUFFIX)(T0, T1);
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T0 = 1;
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} else {
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T0 = 0;
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}
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RETURN();
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}
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