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qtest: add memset to qtest protocol

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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
This commit is contained in:
John Snow 2015-05-22 14:13:44 -04:00
parent 7a6a740d8d
commit 4d00796364
2 changed files with 21 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

20
qtest.c
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@ -125,6 +125,9 @@ static bool qtest_opened;
* > 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
@ -471,6 +474,23 @@ static void qtest_process_command(CharDriverState *chr, gchar **words)
cpu_physical_memory_write(addr, data, len);
g_free(data);
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) {