qemu/target-alpha/op_mem.h

128 lines
4.3 KiB
C

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