/* * MIPS emulation memory micro-operations for qemu. * * Copyright (c) 2004-2005 Jocelyn Mayer * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ /* Standard loads and stores */ void glue(op_lb, MEMSUFFIX) (void) { T0 = glue(ldsb, MEMSUFFIX)(T0); RETURN(); } void glue(op_lbu, MEMSUFFIX) (void) { T0 = glue(ldub, MEMSUFFIX)(T0); RETURN(); } void glue(op_sb, MEMSUFFIX) (void) { glue(stb, MEMSUFFIX)(T0, T1); RETURN(); } void glue(op_lh, MEMSUFFIX) (void) { T0 = glue(ldsw, MEMSUFFIX)(T0); RETURN(); } void glue(op_lhu, MEMSUFFIX) (void) { T0 = glue(lduw, MEMSUFFIX)(T0); RETURN(); } void glue(op_sh, MEMSUFFIX) (void) { glue(stw, MEMSUFFIX)(T0, T1); RETURN(); } void glue(op_lw, MEMSUFFIX) (void) { T0 = glue(ldl, MEMSUFFIX)(T0); RETURN(); } void glue(op_sw, MEMSUFFIX) (void) { glue(stl, MEMSUFFIX)(T0, T1); RETURN(); } /* "half" load and stores. We must do the memory access inline, or fault handling won't work. */ void glue(op_lwl, MEMSUFFIX) (void) { uint32_t tmp = glue(ldl, MEMSUFFIX)(T0 & ~3); CALL_FROM_TB1(glue(do_lwl, MEMSUFFIX), tmp); RETURN(); } void glue(op_lwr, MEMSUFFIX) (void) { uint32_t tmp = glue(ldl, MEMSUFFIX)(T0 & ~3); CALL_FROM_TB1(glue(do_lwr, MEMSUFFIX), tmp); RETURN(); } void glue(op_swl, MEMSUFFIX) (void) { uint32_t tmp = glue(ldl, MEMSUFFIX)(T0 & ~3); tmp = CALL_FROM_TB1(glue(do_swl, MEMSUFFIX), tmp); glue(stl, MEMSUFFIX)(T0 & ~3, tmp); RETURN(); } void glue(op_swr, MEMSUFFIX) (void) { uint32_t tmp = glue(ldl, MEMSUFFIX)(T0 & ~3); tmp = CALL_FROM_TB1(glue(do_swr, MEMSUFFIX), tmp); glue(stl, MEMSUFFIX)(T0 & ~3, tmp); RETURN(); } void glue(op_ll, MEMSUFFIX) (void) { T1 = T0; T0 = glue(ldl, MEMSUFFIX)(T0); env->CP0_LLAddr = T1; RETURN(); } void glue(op_sc, MEMSUFFIX) (void) { CALL_FROM_TB0(dump_sc); if (T0 == env->CP0_LLAddr) { glue(stl, MEMSUFFIX)(T0, T1); T0 = 1; } else { T0 = 0; } RETURN(); }