From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38934) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X4DV5-0003Kf-FE for qemu-devel@nongnu.org; Mon, 07 Jul 2014 14:19:01 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1X4DUu-0004Gt-Gl for qemu-devel@nongnu.org; Mon, 07 Jul 2014 14:18:51 -0400 Received: from mx1.redhat.com ([209.132.183.28]:2973) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X4DUu-0004Gl-7L for qemu-devel@nongnu.org; Mon, 07 Jul 2014 14:18:40 -0400 Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s67IIcQW025171 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Mon, 7 Jul 2014 14:18:39 -0400 From: John Snow Date: Mon, 7 Jul 2014 14:18:00 -0400 Message-Id: <1404757089-4836-20-git-send-email-jsnow@redhat.com> In-Reply-To: <1404757089-4836-1-git-send-email-jsnow@redhat.com> References: <1404757089-4836-1-git-send-email-jsnow@redhat.com> Subject: [Qemu-devel] [PATCH 19/28] qtest: Adding qtest_memset and qmemset. List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: pbonzini@redhat.com, John Snow , stefanha@redhat.com, mst@redhat.com Currently, libqtest allows for memread and memwrite, but does not offer a simple way to zero out regions of memory. This patch adds a simple function to do so. Signed-off-by: John Snow --- tests/libqtest.c | 12 ++++++++++++ tests/libqtest.h | 24 ++++++++++++++++++++++++ 2 files changed, 36 insertions(+) diff --git a/tests/libqtest.c b/tests/libqtest.c index 4a75cd3..e525e6f 100644 --- a/tests/libqtest.c +++ b/tests/libqtest.c @@ -659,6 +659,18 @@ void qtest_memwrite(QTestState *s, uint64_t addr, const void *data, size_t size) qtest_rsp(s, 0); } +void qtest_memset(QTestState *s, uint64_t addr, uint8_t pattern, size_t size) +{ + size_t i; + + qtest_sendf(s, "write 0x%" PRIx64 " 0x%zx 0x", addr, size); + for (i = 0; i < size; i++) { + qtest_sendf(s, "%02x", pattern); + } + qtest_sendf(s, "\n"); + qtest_rsp(s, 0); +} + QDict *qmp(const char *fmt, ...) { va_list ap; diff --git a/tests/libqtest.h b/tests/libqtest.h index 8f323c7..1be0934 100644 --- a/tests/libqtest.h +++ b/tests/libqtest.h @@ -283,6 +283,17 @@ void qtest_memread(QTestState *s, uint64_t addr, void *data, size_t size); void qtest_memwrite(QTestState *s, uint64_t addr, const void *data, size_t size); /** + * qtest_memset: + * @s: #QTestState instance to operate on. + * @addr: Guest address to write to. + * @patt: Byte pattern to fill the guest memory region with. + * @size: Number of bytes to write. + * + * Write a pattern to guest memory. + */ +void qtest_memset(QTestState *s, uint64_t addr, uint8_t patt, size_t size); + +/** * qtest_clock_step_next: * @s: #QTestState instance to operate on. * @@ -621,6 +632,19 @@ static inline void memwrite(uint64_t addr, const void *data, size_t size) } /** + * qmemset: + * @addr: Guest address to write to. + * @patt: Byte pattern to fill the guest memory region with. + * @size: Number of bytes to write. + * + * Write a pattern to guest memory. + */ +static inline void qmemset(uint64_t addr, uint8_t patt, size_t size) +{ + qtest_memset(global_qtest, addr, patt, size); +} + +/** * clock_step_next: * * Advance the QEMU_CLOCK_VIRTUAL to the next deadline. -- 1.9.3