Return to op_mem.c CVS log

Up to [Qemu by Fabrice Bellard] / qemu / target-mips

Annotation of qemu/target-mips/op_mem.c, revision 1.1.1.2

1.1       root        1: /*
                      2:  *  MIPS emulation memory micro-operations for qemu.
                      3:  * 
                      4:  *  Copyright (c) 2004-2005 Jocelyn Mayer
                      5:  *
                      6:  * This library is free software; you can redistribute it and/or
                      7:  * modify it under the terms of the GNU Lesser General Public
                      8:  * License as published by the Free Software Foundation; either
                      9:  * version 2 of the License, or (at your option) any later version.
                     10:  *
                     11:  * This library is distributed in the hope that it will be useful,
                     12:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
                     13:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
                     14:  * Lesser General Public License for more details.
                     15:  *
                     16:  * You should have received a copy of the GNU Lesser General Public
                     17:  * License along with this library; if not, write to the Free Software
                     18:  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     19:  */
                     20: 
                     21: /* Standard loads and stores */
                     22: void glue(op_lb, MEMSUFFIX) (void)
                     23: {
                     24:     T0 = glue(ldsb, MEMSUFFIX)(T0);
                     25:     RETURN();
                     26: }
                     27: 
                     28: void glue(op_lbu, MEMSUFFIX) (void)
                     29: {
                     30:     T0 = glue(ldub, MEMSUFFIX)(T0);
                     31:     RETURN();
                     32: }
                     33: 
                     34: void glue(op_sb, MEMSUFFIX) (void)
                     35: {
                     36:     glue(stb, MEMSUFFIX)(T0, T1);
                     37:     RETURN();
                     38: }
                     39: 
                     40: void glue(op_lh, MEMSUFFIX) (void)
                     41: {
                     42:     T0 = glue(ldsw, MEMSUFFIX)(T0);
                     43:     RETURN();
                     44: }
                     45: 
                     46: void glue(op_lhu, MEMSUFFIX) (void)
                     47: {
                     48:     T0 = glue(lduw, MEMSUFFIX)(T0);
                     49:     RETURN();
                     50: }
                     51: 
                     52: void glue(op_sh, MEMSUFFIX) (void)
                     53: {
                     54:     glue(stw, MEMSUFFIX)(T0, T1);
                     55:     RETURN();
                     56: }
                     57: 
                     58: void glue(op_lw, MEMSUFFIX) (void)
                     59: {
                     60:     T0 = glue(ldl, MEMSUFFIX)(T0);
                     61:     RETURN();
                     62: }
                     63: 
                     64: void glue(op_sw, MEMSUFFIX) (void)
                     65: {
                     66:     glue(stl, MEMSUFFIX)(T0, T1);
                     67:     RETURN();
                     68: }
                     69: 
1.1.1.2 ! root       70: /* "half" load and stores.  We must do the memory access inline,
        !            71:    or fault handling won't work.  */
1.1       root       72: void glue(op_lwl, MEMSUFFIX) (void)
                     73: {
1.1.1.2 ! root       74:     uint32_t tmp = glue(ldl, MEMSUFFIX)(T0 & ~3);
        !            75:     CALL_FROM_TB1(glue(do_lwl, MEMSUFFIX), tmp);
1.1       root       76:     RETURN();
                     77: }
                     78: 
                     79: void glue(op_lwr, MEMSUFFIX) (void)
                     80: {
1.1.1.2 ! root       81:     uint32_t tmp = glue(ldl, MEMSUFFIX)(T0 & ~3);
        !            82:     CALL_FROM_TB1(glue(do_lwr, MEMSUFFIX), tmp);
1.1       root       83:     RETURN();
                     84: }
                     85: 
                     86: void glue(op_swl, MEMSUFFIX) (void)
                     87: {
1.1.1.2 ! root       88:     uint32_t tmp = glue(ldl, MEMSUFFIX)(T0 & ~3);
        !            89:     tmp = CALL_FROM_TB1(glue(do_swl, MEMSUFFIX), tmp);
        !            90:     glue(stl, MEMSUFFIX)(T0 & ~3, tmp);
1.1       root       91:     RETURN();
                     92: }
                     93: 
                     94: void glue(op_swr, MEMSUFFIX) (void)
                     95: {
1.1.1.2 ! root       96:     uint32_t tmp = glue(ldl, MEMSUFFIX)(T0 & ~3);
        !            97:     tmp = CALL_FROM_TB1(glue(do_swr, MEMSUFFIX), tmp);
        !            98:     glue(stl, MEMSUFFIX)(T0 & ~3, tmp);
1.1       root       99:     RETURN();
                    100: }
                    101: 
                    102: void glue(op_ll, MEMSUFFIX) (void)
                    103: {
                    104:     T1 = T0;
                    105:     T0 = glue(ldl, MEMSUFFIX)(T0);
                    106:     env->CP0_LLAddr = T1;
                    107:     RETURN();
                    108: }
                    109: 
                    110: void glue(op_sc, MEMSUFFIX) (void)
                    111: {
                    112:     CALL_FROM_TB0(dump_sc);
                    113:     if (T0 == env->CP0_LLAddr) {
                    114:         glue(stl, MEMSUFFIX)(T0, T1);
                    115:         T0 = 1;
                    116:     } else {
                    117:         T0 = 0;
                    118:     }
                    119:     RETURN();
                    120: }

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.