root / target-alpha / op_mem.h @ f18cd223
History | View | Annotate | Download (3 kB)
| 1 |
/*
|
|---|---|
| 2 |
* Alpha emulation cpu micro-operations for memory accesses for qemu.
|
| 3 |
*
|
| 4 |
* Copyright (c) 2007 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 |
//#define DEBUG_MEM_ACCESSES
|
| 22 |
#if defined (DEBUG_MEM_ACCESSES)
|
| 23 |
void helper_print_mem_EA (target_ulong EA);
|
| 24 |
#define print_mem_EA(EA) do { helper_print_mem_EA(EA); } while (0) |
| 25 |
#else
|
| 26 |
#define print_mem_EA(EA) do { } while (0) |
| 27 |
#endif
|
| 28 |
|
| 29 |
static always_inline uint32_t glue(ldl_l, MEMSUFFIX) (target_ulong EA)
|
| 30 |
{
|
| 31 |
env->lock = EA; |
| 32 |
|
| 33 |
return glue(ldl, MEMSUFFIX)(EA);
|
| 34 |
} |
| 35 |
|
| 36 |
static always_inline uint32_t glue(ldq_l, MEMSUFFIX) (target_ulong EA)
|
| 37 |
{
|
| 38 |
env->lock = EA; |
| 39 |
|
| 40 |
return glue(ldq, MEMSUFFIX)(EA);
|
| 41 |
} |
| 42 |
|
| 43 |
static always_inline void glue(stl_c, MEMSUFFIX) (target_ulong EA, |
| 44 |
uint32_t data) |
| 45 |
{
|
| 46 |
if (EA == env->lock) {
|
| 47 |
glue(stl, MEMSUFFIX)(EA, data); |
| 48 |
T0 = 0;
|
| 49 |
} else {
|
| 50 |
T0 = 1;
|
| 51 |
} |
| 52 |
env->lock = -1;
|
| 53 |
} |
| 54 |
|
| 55 |
static always_inline void glue(stq_c, MEMSUFFIX) (target_ulong EA, |
| 56 |
uint64_t data) |
| 57 |
{
|
| 58 |
if (EA == env->lock) {
|
| 59 |
glue(stq, MEMSUFFIX)(EA, data); |
| 60 |
T0 = 0;
|
| 61 |
} else {
|
| 62 |
T0 = 1;
|
| 63 |
} |
| 64 |
env->lock = -1;
|
| 65 |
} |
| 66 |
|
| 67 |
#define ALPHA_LD_OP(name, op) \
|
| 68 |
void OPPROTO glue(glue(op_ld, name), MEMSUFFIX) (void) \ |
| 69 |
{ \
|
| 70 |
print_mem_EA(T0); \ |
| 71 |
T1 = glue(op, MEMSUFFIX)(T0); \ |
| 72 |
RETURN(); \ |
| 73 |
} |
| 74 |
|
| 75 |
#define ALPHA_ST_OP(name, op) \
|
| 76 |
void OPPROTO glue(glue(op_st, name), MEMSUFFIX) (void) \ |
| 77 |
{ \
|
| 78 |
print_mem_EA(T0); \ |
| 79 |
glue(op, MEMSUFFIX)(T0, T1); \ |
| 80 |
RETURN(); \ |
| 81 |
} |
| 82 |
|
| 83 |
ALPHA_LD_OP(l, ldl); |
| 84 |
ALPHA_ST_OP(l, stl); |
| 85 |
ALPHA_LD_OP(q, ldq); |
| 86 |
ALPHA_ST_OP(q, stq); |
| 87 |
|
| 88 |
ALPHA_LD_OP(l_l, ldl_l); |
| 89 |
ALPHA_LD_OP(q_l, ldq_l); |
| 90 |
ALPHA_ST_OP(l_c, stl_c); |
| 91 |
ALPHA_ST_OP(q_c, stq_c); |
| 92 |
|
| 93 |
#undef MEMSUFFIX
|