From: David Hildenbrand <david@redhat.com>
To: Peter Maydell <peter.maydell@linaro.org>, qemu-devel@nongnu.org
Cc: Thomas Huth <thuth@redhat.com>,
David Hildenbrand <david@redhat.com>,
Cornelia Huck <cohuck@redhat.com>,
Richard Henderson <richard.henderson@linaro.org>,
qemu-s390x@nongnu.org, Richard Henderson <rth@twiddle.net>
Subject: [PULL 20/30] s390x/tcg: MVCLU: Fault-safe handling
Date: Mon, 23 Sep 2019 10:07:02 +0200 [thread overview]
Message-ID: <20190923080712.23951-21-david@redhat.com> (raw)
In-Reply-To: <20190923080712.23951-1-david@redhat.com>
The last remaining bit is padding with two bytes.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
---
target/s390x/mem_helper.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/target/s390x/mem_helper.c b/target/s390x/mem_helper.c
index aed53a37da..271b1db664 100644
--- a/target/s390x/mem_helper.c
+++ b/target/s390x/mem_helper.c
@@ -925,15 +925,17 @@ static inline uint32_t do_mvcl(CPUS390XState *env,
access_memset(env, &desta, pad, ra);
*dest = wrap_address(env, *dest + len);
} else {
+ desta = access_prepare(env, *dest, len, MMU_DATA_STORE, mmu_idx, ra);
+
/* The remaining length selects the padding byte. */
for (i = 0; i < len; (*destlen)--, i++) {
if (*destlen & 1) {
- cpu_stb_data_ra(env, *dest, pad, ra);
+ access_set_byte(env, &desta, i, pad, ra);
} else {
- cpu_stb_data_ra(env, *dest, pad >> 8, ra);
+ access_set_byte(env, &desta, i, pad >> 8, ra);
}
- *dest = wrap_address(env, *dest + 1);
}
+ *dest = wrap_address(env, *dest + len);
}
return *destlen ? 3 : cc;
--
2.21.0
next prev parent reply other threads:[~2019-09-23 8:23 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-23 8:06 [PULL 00/30] s390x/tcg update David Hildenbrand
2019-09-23 8:06 ` [PULL 01/30] s390x/tcg: Reset exception_index to -1 instead of 0 David Hildenbrand
2019-09-23 8:06 ` [PULL 02/30] s390x/tcg: MVCL: Zero out unused bits of address David Hildenbrand
2019-09-23 8:06 ` [PULL 03/30] s390x/tcg: MVCL: Detect destructive overlaps David Hildenbrand
2019-09-23 8:06 ` [PULL 04/30] s390x/tcg: MVCL: Process max 4k bytes at a time David Hildenbrand
2019-09-23 8:06 ` [PULL 05/30] s390x/tcg: MVC: Increment the length once David Hildenbrand
2019-09-23 8:06 ` [PULL 06/30] s390x/tcg: MVC: Use is_destructive_overlap() David Hildenbrand
2019-09-23 8:06 ` [PULL 07/30] s390x/tcg: MVPG: Check for specification exceptions David Hildenbrand
2019-09-23 8:06 ` [PULL 08/30] s390x/tcg: MVPG: Properly wrap the addresses David Hildenbrand
2019-09-23 8:06 ` [PULL 09/30] s390x/tcg: MVCLU/MVCLE: Process max 4k bytes at a time David Hildenbrand
2019-09-23 8:06 ` [PULL 10/30] s390x/tcg: MVCS/MVCP: Check for special operation exceptions David Hildenbrand
2019-09-23 8:06 ` [PULL 11/30] s390x/tcg: MVCOS: Lengths are 32 bit in 24/31-bit mode David Hildenbrand
2019-09-23 8:06 ` [PULL 12/30] s390x/tcg: MVCS/MVCP: Properly wrap the length David Hildenbrand
2019-09-23 8:06 ` [PULL 13/30] s390x/tcg: MVST: Check for specification exceptions David Hildenbrand
2019-09-23 8:06 ` [PULL 14/30] s390x/tcg: MVST: Fix storing back the addresses to registers David Hildenbrand
2019-09-23 8:06 ` [PULL 15/30] s390x/tcg: Always use MMU_USER_IDX for CONFIG_USER_ONLY David Hildenbrand
2019-09-23 8:06 ` [PULL 16/30] s390x/tcg: Fault-safe memset David Hildenbrand
2019-09-23 8:06 ` [PULL 17/30] s390x/tcg: Fault-safe memmove David Hildenbrand
2019-09-23 8:07 ` [PULL 18/30] s390x/tcg: MVCS/MVCP: Use access_memmove() David Hildenbrand
2019-09-23 8:07 ` [PULL 19/30] s390x/tcg: MVC: Fault-safe handling on destructive overlaps David Hildenbrand
2019-09-23 8:07 ` David Hildenbrand [this message]
2019-09-23 8:07 ` [PULL 21/30] s390x/tcg: OC: Fault-safe handling David Hildenbrand
2019-09-23 8:07 ` [PULL 22/30] s390x/tcg: XC: " David Hildenbrand
2019-09-23 8:07 ` [PULL 23/30] s390x/tcg: NC: " David Hildenbrand
2019-09-23 8:07 ` [PULL 24/30] s390x/tcg: MVCIN: " David Hildenbrand
2019-09-23 8:07 ` [PULL 25/30] s390x/tcg: MVN: " David Hildenbrand
2019-09-23 8:07 ` [PULL 26/30] s390x/tcg: MVZ: " David Hildenbrand
2019-09-23 8:07 ` [PULL 27/30] s390x/tcg: MVST: " David Hildenbrand
2019-09-23 8:07 ` [PULL 28/30] s390x/tcg: MVO: " David Hildenbrand
2019-09-23 8:07 ` [PULL 29/30] tests/tcg: target/s390x: Test MVO David Hildenbrand
2019-09-23 8:07 ` [PULL 30/30] tests/tcg: target/s390x: Test MVC David Hildenbrand
2019-09-23 13:54 ` [PULL 00/30] s390x/tcg update no-reply
2019-09-23 20:46 ` no-reply
2019-09-23 22:04 ` Peter Maydell
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