From 75d14edcf5fd9d5bb614554539799abaaeab3166 Mon Sep 17 00:00:00 2001
From: Richard Henderson <rth@twiddle.net>
Date: Mon, 6 Jul 2015 19:37:40 +0100
Subject: [PATCH] target-i386: Update BNDSTATUS for exceptions raised by BOUND
Signed-off-by: Richard Henderson <rth@twiddle.net>
---
target-i386/mem_helper.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/target-i386/mem_helper.c b/target-i386/mem_helper.c
index 7de775259d..85e75161bc 100644
--- a/target-i386/mem_helper.c
+++ b/target-i386/mem_helper.c
@@ -112,6 +112,9 @@ void helper_boundw(CPUX86State *env, target_ulong a0, int v)
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());
}
}
@@ -123,6 +126,9 @@ void helper_boundl(CPUX86State *env, target_ulong a0, int v)
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());
}
}
--
2.30.2