qtest: add memset to qtest protocol
Previously, memset was just a frontend to write() and only
stupidly sent the pattern many times across the wire.
Let's not discuss who stupidly wrote it like that in the first place.
(Hint: It was me.)
Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 1430864578-22072-4-git-send-email-jsnow@redhat.com
diff --git a/qtest.c b/qtest.c
index 73b7a0f..04412dd 100644
--- a/qtest.c
+++ b/qtest.c
@@ -125,6 +125,9 @@
* > b64write ADDR SIZE B64_DATA
* < OK
*
+ * > memset ADDR SIZE VALUE
+ * < OK
+ *
* ADDR, SIZE, VALUE are all integers parsed with strtoul() with a base of 0.
*
* DATA is an arbitrarily long hex number prefixed with '0x'. If it's smaller
@@ -473,6 +476,23 @@
qtest_send_prefix(chr);
qtest_send(chr, "OK\n");
+ } else if (strcmp(words[0], "memset") == 0) {
+ uint64_t addr, len;
+ uint8_t *data;
+ uint8_t pattern;
+
+ g_assert(words[1] && words[2] && words[3]);
+ addr = strtoull(words[1], NULL, 0);
+ len = strtoull(words[2], NULL, 0);
+ pattern = strtoull(words[3], NULL, 0);
+
+ data = g_malloc(len);
+ memset(data, pattern, len);
+ cpu_physical_memory_write(addr, data, len);
+ g_free(data);
+
+ qtest_send_prefix(chr);
+ qtest_send(chr, "OK\n");
} else if (strcmp(words[0], "b64write") == 0) {
uint64_t addr, len;
uint8_t *data;