mirror of
https://github.com/xemu-project/xemu.git
synced 2024-11-27 21:40:49 +00:00
87518e0ca3
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3629 c046a42c-6fe2-441c-8c8c-71466251a162
128 lines
4.3 KiB
C
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
|