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/*
* x86 memory access helpers
*
* Copyright (c) 2003 Fabrice Bellard
*
* 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 2.1 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, see <http://www.gnu.org/licenses/>.
*/
#include "qemu/osdep.h"
#include "cpu.h"
#include "exec/helper-proto.h"
#include "exec/exec-all.h"
#include "exec/cpu_ldst.h"
#include "qemu/int128.h"
#include "qemu/atomic128.h"
#include "tcg/tcg.h"
#include "helper-tcg.h"
void helper_boundw(CPUX86State *env, target_ulong a0, int v)
{
int low, high;
low = cpu_ldsw_data_ra(env, a0, GETPC());
high = cpu_ldsw_data_ra(env, a0 + 2, GETPC());
v = (int16_t)v;
if (v < low || v > high) {
if (env->hflags & HF_MPX_EN_MASK) {
env->bndcs_regs.sts = 0;
}
raise_exception_ra(env, EXCP05_BOUND, GETPC());
}
}
void helper_boundl(CPUX86State *env, target_ulong a0, int v)
{
int low, high;
low = cpu_ldl_data_ra(env, a0, GETPC());
high = cpu_ldl_data_ra(env, a0 + 4, GETPC());
if (v < low || v > high) {
if (env->hflags & HF_MPX_EN_MASK) {
env->bndcs_regs.sts = 0;
}
raise_exception_ra(env, EXCP05_BOUND, GETPC());
}
}
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