126 lines
4.2 KiB
C
126 lines
4.2 KiB
C
/*
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* Alpha emulation cpu micro-operations for memory accesses for qemu.
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*
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* Copyright (c) 2007 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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#define DEBUG_MEM_ACCESSES
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#if defined (DEBUG_MEM_ACCESSES)
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void helper_print_mem_EA (target_ulong EA);
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#define print_mem_EA(EA) do { helper_print_mem_EA(EA); } while (0)
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#else
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#define print_mem_EA(EA) do { } while (0)
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#endif
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static inline uint32_t glue(ldl_l, MEMSUFFIX) (target_ulong EA)
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{
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env->lock = EA;
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return glue(ldl, MEMSUFFIX)(EA);
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}
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static inline uint32_t glue(ldq_l, MEMSUFFIX) (target_ulong EA)
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{
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env->lock = EA;
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return glue(ldq, MEMSUFFIX)(EA);
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}
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static inline void glue(stl_c, MEMSUFFIX) (target_ulong EA, uint32_t data)
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{
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if (EA == env->lock) {
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glue(stl, MEMSUFFIX)(EA, data);
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T0 = 0;
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} else {
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T0 = 1;
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}
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env->lock = -1;
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}
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static inline void glue(stq_c, MEMSUFFIX) (target_ulong EA, uint64_t data)
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{
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if (EA == env->lock) {
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glue(stq, MEMSUFFIX)(EA, data);
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T0 = 0;
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} else {
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T0 = 1;
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}
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env->lock = -1;
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}
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#define ALPHA_LD_OP(name, op) \
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void OPPROTO glue(glue(op_ld, name), MEMSUFFIX) (void) \
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{ \
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print_mem_EA(T0); \
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T1 = glue(op, MEMSUFFIX)(T0); \
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RETURN(); \
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}
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#define ALPHA_ST_OP(name, op) \
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void OPPROTO glue(glue(op_st, name), MEMSUFFIX) (void) \
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{ \
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print_mem_EA(T0); \
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glue(op, MEMSUFFIX)(T0, T1); \
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RETURN(); \
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}
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ALPHA_LD_OP(bu, ldub);
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ALPHA_ST_OP(b, stb);
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ALPHA_LD_OP(wu, lduw);
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ALPHA_ST_OP(w, stw);
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ALPHA_LD_OP(l, ldl);
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ALPHA_ST_OP(l, stl);
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ALPHA_LD_OP(q, ldq);
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ALPHA_ST_OP(q, stq);
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ALPHA_LD_OP(q_u, ldq);
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ALPHA_ST_OP(q_u, stq);
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ALPHA_LD_OP(l_l, ldl_l);
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ALPHA_LD_OP(q_l, ldq_l);
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ALPHA_ST_OP(l_c, stl_c);
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ALPHA_ST_OP(q_c, stq_c);
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#define ALPHA_LDF_OP(name, op) \
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void OPPROTO glue(glue(op_ld, name), MEMSUFFIX) (void) \
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{ \
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print_mem_EA(T0); \
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FT1 = glue(op, MEMSUFFIX)(T0); \
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RETURN(); \
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}
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#define ALPHA_STF_OP(name, op) \
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void OPPROTO glue(glue(op_st, name), MEMSUFFIX) (void) \
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{ \
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print_mem_EA(T0); \
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glue(op, MEMSUFFIX)(T0, FT1); \
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RETURN(); \
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}
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ALPHA_LDF_OP(t, ldfq);
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ALPHA_STF_OP(t, stfq);
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ALPHA_LDF_OP(s, ldfl);
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ALPHA_STF_OP(s, stfl);
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/* VAX floating point */
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ALPHA_LDF_OP(f, helper_ldff);
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ALPHA_STF_OP(f, helper_stff);
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ALPHA_LDF_OP(g, helper_ldfg);
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ALPHA_STF_OP(g, helper_stfg);
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#undef MEMSUFFIX
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