op_mem.h
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/*
* PowerPC emulation micro-operations for qemu.
*
* Copyright (c) 2003-2007 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
*/
#include "op_mem_access.h"
/*** Integer load and store strings ***/
void OPPROTO glue(op_lswi, MEMSUFFIX) (void)
{
glue(do_lsw, MEMSUFFIX)(PARAM1);
RETURN();
}
#if defined(TARGET_PPC64)
void OPPROTO glue(op_lswi_64, MEMSUFFIX) (void)
{
glue(do_lsw_64, MEMSUFFIX)(PARAM1);
RETURN();
}
#endif
/* 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...
*/
void OPPROTO glue(op_lswx, MEMSUFFIX) (void)
{
/* Note: T1 comes from xer_bc then no cast is needed */
if (likely(T1 != 0)) {
if (unlikely((PARAM1 < PARAM2 && (PARAM1 + T1) > PARAM2) ||
(PARAM1 < PARAM3 && (PARAM1 + T1) > PARAM3))) {
raise_exception_err(env, POWERPC_EXCP_PROGRAM,
POWERPC_EXCP_INVAL |
POWERPC_EXCP_INVAL_LSWX);
} else {
glue(do_lsw, MEMSUFFIX)(PARAM1);
}
}
RETURN();
}
#if defined(TARGET_PPC64)
void OPPROTO glue(op_lswx_64, MEMSUFFIX) (void)
{
/* Note: T1 comes from xer_bc then no cast is needed */
if (likely(T1 != 0)) {
if (unlikely((PARAM1 < PARAM2 && (PARAM1 + T1) > PARAM2) ||
(PARAM1 < PARAM3 && (PARAM1 + T1) > PARAM3))) {
raise_exception_err(env, POWERPC_EXCP_PROGRAM,
POWERPC_EXCP_INVAL |
POWERPC_EXCP_INVAL_LSWX);
} else {
glue(do_lsw_64, MEMSUFFIX)(PARAM1);
}
}
RETURN();
}
#endif
void OPPROTO glue(op_stsw, MEMSUFFIX) (void)
{
glue(do_stsw, MEMSUFFIX)(PARAM1);
RETURN();
}
#if defined(TARGET_PPC64)
void OPPROTO glue(op_stsw_64, MEMSUFFIX) (void)
{
glue(do_stsw_64, MEMSUFFIX)(PARAM1);
RETURN();
}
#endif
/* Load and set reservation */
void OPPROTO glue(op_lwarx, MEMSUFFIX) (void)
{
if (unlikely(T0 & 0x03)) {
raise_exception(env, POWERPC_EXCP_ALIGN);
} else {
T1 = glue(ldu32, MEMSUFFIX)((uint32_t)T0);
env->reserve = (uint32_t)T0;
}
RETURN();
}
#if defined(TARGET_PPC64)
void OPPROTO glue(op_lwarx_64, MEMSUFFIX) (void)
{
if (unlikely(T0 & 0x03)) {
raise_exception(env, POWERPC_EXCP_ALIGN);
} else {
T1 = glue(ldu32, MEMSUFFIX)((uint64_t)T0);
env->reserve = (uint64_t)T0;
}
RETURN();
}
void OPPROTO glue(op_ldarx, MEMSUFFIX) (void)
{
if (unlikely(T0 & 0x03)) {
raise_exception(env, POWERPC_EXCP_ALIGN);
} else {
T1 = glue(ldu64, MEMSUFFIX)((uint32_t)T0);
env->reserve = (uint32_t)T0;
}
RETURN();
}
void OPPROTO glue(op_ldarx_64, MEMSUFFIX) (void)
{
if (unlikely(T0 & 0x03)) {
raise_exception(env, POWERPC_EXCP_ALIGN);
} else {
T1 = glue(ldu64, MEMSUFFIX)((uint64_t)T0);
env->reserve = (uint64_t)T0;
}
RETURN();
}
#endif
void OPPROTO glue(op_lwarx_le, MEMSUFFIX) (void)
{
if (unlikely(T0 & 0x03)) {
raise_exception(env, POWERPC_EXCP_ALIGN);
} else {
T1 = glue(ldu32r, MEMSUFFIX)((uint32_t)T0);
env->reserve = (uint32_t)T0;
}
RETURN();
}
#if defined(TARGET_PPC64)
void OPPROTO glue(op_lwarx_le_64, MEMSUFFIX) (void)
{
if (unlikely(T0 & 0x03)) {
raise_exception(env, POWERPC_EXCP_ALIGN);
} else {
T1 = glue(ldu32r, MEMSUFFIX)((uint64_t)T0);
env->reserve = (uint64_t)T0;
}
RETURN();
}
void OPPROTO glue(op_ldarx_le, MEMSUFFIX) (void)
{
if (unlikely(T0 & 0x03)) {
raise_exception(env, POWERPC_EXCP_ALIGN);
} else {
T1 = glue(ldu64r, MEMSUFFIX)((uint32_t)T0);
env->reserve = (uint32_t)T0;
}
RETURN();
}
void OPPROTO glue(op_ldarx_le_64, MEMSUFFIX) (void)
{
if (unlikely(T0 & 0x03)) {
raise_exception(env, POWERPC_EXCP_ALIGN);
} else {
T1 = glue(ldu64r, MEMSUFFIX)((uint64_t)T0);
env->reserve = (uint64_t)T0;
}
RETURN();
}
#endif
/* Store with reservation */
void OPPROTO glue(op_stwcx, MEMSUFFIX) (void)
{
if (unlikely(T0 & 0x03)) {
raise_exception(env, POWERPC_EXCP_ALIGN);
} else {
if (unlikely(env->reserve != (uint32_t)T0)) {
env->crf[0] = xer_so;
} else {
glue(st32, MEMSUFFIX)((uint32_t)T0, T1);
env->crf[0] = xer_so | 0x02;
}
}
env->reserve = (target_ulong)-1ULL;
RETURN();
}
#if defined(TARGET_PPC64)
void OPPROTO glue(op_stwcx_64, MEMSUFFIX) (void)
{
if (unlikely(T0 & 0x03)) {
raise_exception(env, POWERPC_EXCP_ALIGN);
} else {
if (unlikely(env->reserve != (uint64_t)T0)) {
env->crf[0] = xer_so;
} else {
glue(st32, MEMSUFFIX)((uint64_t)T0, T1);
env->crf[0] = xer_so | 0x02;
}
}
env->reserve = (target_ulong)-1ULL;
RETURN();
}
void OPPROTO glue(op_stdcx, MEMSUFFIX) (void)
{
if (unlikely(T0 & 0x03)) {
raise_exception(env, POWERPC_EXCP_ALIGN);
} else {
if (unlikely(env->reserve != (uint32_t)T0)) {
env->crf[0] = xer_so;
} else {
glue(st64, MEMSUFFIX)((uint32_t)T0, T1);
env->crf[0] = xer_so | 0x02;
}
}
env->reserve = (target_ulong)-1ULL;
RETURN();
}
void OPPROTO glue(op_stdcx_64, MEMSUFFIX) (void)
{
if (unlikely(T0 & 0x03)) {
raise_exception(env, POWERPC_EXCP_ALIGN);
} else {
if (unlikely(env->reserve != (uint64_t)T0)) {
env->crf[0] = xer_so;
} else {
glue(st64, MEMSUFFIX)((uint64_t)T0, T1);
env->crf[0] = xer_so | 0x02;
}
}
env->reserve = (target_ulong)-1ULL;
RETURN();
}
#endif
void OPPROTO glue(op_stwcx_le, MEMSUFFIX) (void)
{
if (unlikely(T0 & 0x03)) {
raise_exception(env, POWERPC_EXCP_ALIGN);
} else {
if (unlikely(env->reserve != (uint32_t)T0)) {
env->crf[0] = xer_so;
} else {
glue(st32r, MEMSUFFIX)((uint32_t)T0, T1);
env->crf[0] = xer_so | 0x02;
}
}
env->reserve = (target_ulong)-1ULL;
RETURN();
}
#if defined(TARGET_PPC64)
void OPPROTO glue(op_stwcx_le_64, MEMSUFFIX) (void)
{
if (unlikely(T0 & 0x03)) {
raise_exception(env, POWERPC_EXCP_ALIGN);
} else {
if (unlikely(env->reserve != (uint64_t)T0)) {
env->crf[0] = xer_so;
} else {
glue(st32r, MEMSUFFIX)((uint64_t)T0, T1);
env->crf[0] = xer_so | 0x02;
}
}
env->reserve = (target_ulong)-1ULL;
RETURN();
}
void OPPROTO glue(op_stdcx_le, MEMSUFFIX) (void)
{
if (unlikely(T0 & 0x03)) {
raise_exception(env, POWERPC_EXCP_ALIGN);
} else {
if (unlikely(env->reserve != (uint32_t)T0)) {
env->crf[0] = xer_so;
} else {
glue(st64r, MEMSUFFIX)((uint32_t)T0, T1);
env->crf[0] = xer_so | 0x02;
}
}
env->reserve = (target_ulong)-1ULL;
RETURN();
}
void OPPROTO glue(op_stdcx_le_64, MEMSUFFIX) (void)
{
if (unlikely(T0 & 0x03)) {
raise_exception(env, POWERPC_EXCP_ALIGN);
} else {
if (unlikely(env->reserve != (uint64_t)T0)) {
env->crf[0] = xer_so;
} else {
glue(st64r, MEMSUFFIX)((uint64_t)T0, T1);
env->crf[0] = xer_so | 0x02;
}
}
env->reserve = (target_ulong)-1ULL;
RETURN();
}
#endif
/* Instruction cache block invalidate */
void OPPROTO glue(op_icbi, MEMSUFFIX) (void)
{
glue(do_icbi, MEMSUFFIX)();
RETURN();
}
#if defined(TARGET_PPC64)
void OPPROTO glue(op_icbi_64, MEMSUFFIX) (void)
{
glue(do_icbi_64, MEMSUFFIX)();
RETURN();
}
#endif
/* External access */
void OPPROTO glue(op_eciwx, MEMSUFFIX) (void)
{
T1 = glue(ldu32, MEMSUFFIX)((uint32_t)T0);
RETURN();
}
#if defined(TARGET_PPC64)
void OPPROTO glue(op_eciwx_64, MEMSUFFIX) (void)
{
T1 = glue(ldu32, MEMSUFFIX)((uint64_t)T0);
RETURN();
}
#endif
void OPPROTO glue(op_ecowx, MEMSUFFIX) (void)
{
glue(st32, MEMSUFFIX)((uint32_t)T0, T1);
RETURN();
}
#if defined(TARGET_PPC64)
void OPPROTO glue(op_ecowx_64, MEMSUFFIX) (void)
{
glue(st32, MEMSUFFIX)((uint64_t)T0, T1);
RETURN();
}
#endif
void OPPROTO glue(op_eciwx_le, MEMSUFFIX) (void)
{
T1 = glue(ldu32r, MEMSUFFIX)((uint32_t)T0);
RETURN();
}
#if defined(TARGET_PPC64)
void OPPROTO glue(op_eciwx_le_64, MEMSUFFIX) (void)
{
T1 = glue(ldu32r, MEMSUFFIX)((uint64_t)T0);
RETURN();
}
#endif
void OPPROTO glue(op_ecowx_le, MEMSUFFIX) (void)
{
glue(st32r, MEMSUFFIX)((uint32_t)T0, T1);
RETURN();
}
#if defined(TARGET_PPC64)
void OPPROTO glue(op_ecowx_le_64, MEMSUFFIX) (void)
{
glue(st32r, MEMSUFFIX)((uint64_t)T0, T1);
RETURN();
}
#endif
/* XXX: those micro-ops need tests ! */
/* PowerPC 601 specific instructions (POWER bridge) */
void OPPROTO glue(op_POWER_lscbx, MEMSUFFIX) (void)
{
/* When byte count is 0, do nothing */
if (likely(T1 != 0)) {
glue(do_POWER_lscbx, MEMSUFFIX)(PARAM1, PARAM2, PARAM3);
}
RETURN();
}
#undef MEMSUFFIX