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/* External helpers */
void glue(do_lsw, MEMSUFFIX) (int dst);
void glue(do_stsw, MEMSUFFIX) (int src);
/* Internal helpers for sign extension and byte-reverse */
static inline uint32_t glue(_ld16x, MEMSUFFIX) (void *EA, int type)
{
return s_ext16(glue(_lduw, MEMSUFFIX)(EA, type));
}
static inline uint16_t glue(_ld16r, MEMSUFFIX) (void *EA, int type)
{
uint16_t tmp = glue(_lduw, MEMSUFFIX)(EA, type);
return ((tmp & 0xFF00) >> 8) | ((tmp & 0x00FF) << 8);
}
static inline uint32_t glue(_ld32r, MEMSUFFIX) (void *EA, int type)
{
uint32_t tmp = glue(_ldl, MEMSUFFIX)(EA, type);
return ((tmp & 0xFF000000) >> 24) | ((tmp & 0x00FF0000) >> 8) |
((tmp & 0x0000FF00) << 8) | ((tmp & 0x000000FF) << 24);
}
static inline void glue(_st16r, MEMSUFFIX) (void *EA, uint16_t data, int type)
{
uint16_t tmp = ((data & 0xFF00) >> 8) | ((data & 0x00FF) << 8);
glue(_stw, MEMSUFFIX)(EA, tmp, type);
}
static inline void glue(_st32r, MEMSUFFIX) (void *EA, uint32_t data, int type)
{
uint32_t tmp = ((data & 0xFF000000) >> 24) | ((data & 0x00FF0000) >> 8) |
((data & 0x0000FF00) << 8) | ((data & 0x000000FF) << 24);
glue(_stl, MEMSUFFIX)(EA, tmp, type);
}
/*** Integer load ***/
#define PPC_LD_OP(name, op) \
PPC_OP(glue(glue(l, name), MEMSUFFIX)) \
{ \
T1 = glue(op, MEMSUFFIX)((void *)T0, ACCESS_INT); \
RETURN(); \
}
#define PPC_ST_OP(name, op) \
PPC_OP(glue(glue(st, name), MEMSUFFIX)) \
{ \
glue(op, MEMSUFFIX)((void *)T0, T1, ACCESS_INT); \
RETURN(); \
}
PPC_LD_OP(bz, _ldub);
PPC_LD_OP(ha, _ld16x);
PPC_LD_OP(hz, _lduw);
PPC_LD_OP(wz, _ldl);
/*** Integer store ***/
PPC_ST_OP(b, _stb);
PPC_ST_OP(h, _stw);
PPC_ST_OP(w, _stl);
/*** Integer load and store with byte reverse ***/
PPC_LD_OP(hbr, _ld16r);
PPC_LD_OP(wbr, _ld32r);
PPC_ST_OP(hbr, _st16r);
PPC_ST_OP(wbr, _st32r);
/*** Integer load and store multiple ***/
PPC_OP(glue(lmw, MEMSUFFIX))
{
int dst = PARAM(1);
for (; dst < 32; dst++, T0 += 4) {
ugpr(dst) = glue(_ldl, MEMSUFFIX)((void *)T0, ACCESS_INT);
}
RETURN();
}
PPC_OP(glue(stmw, MEMSUFFIX))
{
int src = PARAM(1);
for (; src < 32; src++, T0 += 4) {
glue(_stl, MEMSUFFIX)((void *)T0, ugpr(src), ACCESS_INT);
}
RETURN();
}
/*** Integer load and store strings ***/
PPC_OP(glue(lswi, MEMSUFFIX))
{
glue(do_lsw, MEMSUFFIX)(PARAM(1));
RETURN();
}
/* PPC32 specification says we must generate an exception if
* rA is in the range of registers to be loaded.
* In an other hand, IBM says this is valid, but rA won't be loaded.
* For now, I'll follow the spec...
*/
PPC_OP(glue(lswx, MEMSUFFIX))
{
if (T1 > 0) {
if ((PARAM(1) < PARAM(2) && (PARAM(1) + T1) > PARAM(2)) ||
(PARAM(1) < PARAM(3) && (PARAM(1) + T1) > PARAM(3))) {
do_queue_exception_err(EXCP_PROGRAM, EXCP_INVAL | EXCP_INVAL_LSWX);
do_process_exceptions();
} else {
glue(do_lsw, MEMSUFFIX)(PARAM(1));
}
}
RETURN();
}
PPC_OP(glue(stsw, MEMSUFFIX))
{
glue(do_stsw, MEMSUFFIX)(PARAM(1));
RETURN();
}
/*** Floating-point store ***/
#define PPC_STF_OP(name, op) \
PPC_OP(glue(glue(st, name), MEMSUFFIX)) \
{ \
glue(op, MEMSUFFIX)((void *)T0, FT1); \
RETURN(); \
}
PPC_STF_OP(fd, stfq);
PPC_STF_OP(fs, stfl);
/*** Floating-point load ***/
#define PPC_LDF_OP(name, op) \
PPC_OP(glue(glue(l, name), MEMSUFFIX)) \
{ \
FT1 = glue(op, MEMSUFFIX)((void *)T0); \
RETURN(); \
}
PPC_LDF_OP(fd, ldfq);
PPC_LDF_OP(fs, ldfl);
/* Store with reservation */
PPC_OP(glue(stwcx, MEMSUFFIX))
{
if (T0 & 0x03) {
do_queue_exception(EXCP_ALIGN);
do_process_exceptions();
} else {
if (regs->reserve != T0) {
env->crf[0] = xer_ov;
} else {
glue(_stl, MEMSUFFIX)((void *)T0, T1, ACCESS_RES);
env->crf[0] = xer_ov | 0x02;
}
}
regs->reserve = 0;
RETURN();
}
PPC_OP(glue(dcbz, MEMSUFFIX))
{
glue(_stl, MEMSUFFIX)((void *)(T0 + 0x00), 0, ACCESS_INT);
glue(_stl, MEMSUFFIX)((void *)(T0 + 0x04), 0, ACCESS_INT);
glue(_stl, MEMSUFFIX)((void *)(T0 + 0x08), 0, ACCESS_INT);
glue(_stl, MEMSUFFIX)((void *)(T0 + 0x0C), 0, ACCESS_INT);
glue(_stl, MEMSUFFIX)((void *)(T0 + 0x10), 0, ACCESS_INT);
glue(_stl, MEMSUFFIX)((void *)(T0 + 0x14), 0, ACCESS_INT);
glue(_stl, MEMSUFFIX)((void *)(T0 + 0x18), 0, ACCESS_INT);
glue(_stl, MEMSUFFIX)((void *)(T0 + 0x1C), 0, ACCESS_INT);
RETURN();
}
/* External access */
PPC_OP(glue(eciwx, MEMSUFFIX))
{
T1 = glue(_ldl, MEMSUFFIX)((void *)T0, ACCESS_EXT);
RETURN();
}
PPC_OP(glue(ecowx, MEMSUFFIX))
{
glue(_stl, MEMSUFFIX)((void *)T0, T1, ACCESS_EXT);
RETURN();
}
#undef MEMSUFFIX
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