qemu/target-alpha/op_template.h
j_mayer 4c9649a967 Alpha architecture emulation core.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2597 c046a42c-6fe2-441c-8c8c-71466251a162
2007-04-05 06:58:33 +00:00

168 lines
3.2 KiB
C

/*
* Alpha emulation cpu micro-operations templates 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
*/
/* Optimized constant loads */
#if REG < 3
void OPPROTO glue(op_reset_T, REG) (void)
{
glue(T, REG) = 0;
RETURN();
}
void OPPROTO glue(op_reset_FT, REG) (void)
{
glue(FT, REG) = 0;
RETURN();
}
/* XXX: This can be great on most RISC machines */
#if !defined(__i386__) && !defined(__x86_64__)
void OPPROTO glue(op_set_s16_T, REG) (void)
{
glue(T, REG) = (int16_t)PARAM(1);
RETURN();
}
void OPPROTO glue(op_set_u16_T, REG) (void)
{
glue(T, REG) = (uint16_t)PARAM(1);
RETURN();
}
#endif
void OPPROTO glue(op_set_s32_T, REG) (void)
{
glue(T, REG) = (int32_t)PARAM(1);
RETURN();
}
void OPPROTO glue(op_set_u32_T, REG) (void)
{
glue(T, REG) = (uint32_t)PARAM(1);
RETURN();
}
#if 0 // Qemu does not know how to do this...
void OPPROTO glue(op_set_64_T, REG) (void)
{
glue(T, REG) = (int64_t)PARAM(1);
RETURN();
}
#else
void OPPROTO glue(op_set_64_T, REG) (void)
{
glue(T, REG) = ((int64_t)PARAM(1) << 32) | (int64_t)PARAM(2);
RETURN();
}
#endif
#endif /* REG < 3 */
/* Fixed-point register moves */
#if REG < 31
void OPPROTO glue(op_load_T0_ir, REG) (void)
{
T0 = env->ir[REG];
RETURN();
}
void OPPROTO glue(op_load_T1_ir, REG) (void)
{
T1 = env->ir[REG];
RETURN();
}
void OPPROTO glue(op_load_T2_ir, REG) (void)
{
T2 = env->ir[REG];
RETURN();
}
void OPPROTO glue(op_store_T0_ir, REG) (void)
{
env->ir[REG] = T0;
RETURN();
}
void OPPROTO glue(op_store_T1_ir, REG) (void)
{
env->ir[REG] = T1;
RETURN();
}
void OPPROTO glue(op_store_T2_ir, REG) (void)
{
env->ir[REG] = T2;
RETURN();
}
void OPPROTO glue(op_cmov_ir, REG) (void)
{
if (T0)
env->ir[REG] = T1;
RETURN();
}
/* floating point registers moves */
void OPPROTO glue(op_load_FT0_fir, REG) (void)
{
FT0 = env->fir[REG];
RETURN();
}
void OPPROTO glue(op_load_FT1_fir, REG) (void)
{
FT1 = env->fir[REG];
RETURN();
}
void OPPROTO glue(op_load_FT2_fir, REG) (void)
{
FT2 = env->fir[REG];
RETURN();
}
void OPPROTO glue(op_store_FT0_fir, REG) (void)
{
env->fir[REG] = FT0;
RETURN();
}
void OPPROTO glue(op_store_FT1_fir, REG) (void)
{
env->fir[REG] = FT1;
RETURN();
}
void OPPROTO glue(op_store_FT2_fir, REG) (void)
{
env->fir[REG] = FT2;
RETURN();
}
void OPPROTO glue(op_cmov_fir, REG) (void)
{
helper_cmov_fir(REG);
RETURN();
}
#endif /* REG < 31 */
#undef REG