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-rw-r--r--qtest.c69
-rw-r--r--tests/libqtest.c31
-rw-r--r--tests/libqtest.h49
3 files changed, 149 insertions, 0 deletions
diff --git a/qtest.c b/qtest.c
index 3738eae377..73b7a0f9b8 100644
--- a/qtest.c
+++ b/qtest.c
@@ -119,12 +119,21 @@ static bool qtest_opened;
* > write ADDR SIZE DATA
* < OK
*
+ * > b64read ADDR SIZE
+ * < OK B64_DATA
+ *
+ * > b64write ADDR SIZE B64_DATA
+ * < 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
* than the expected size, the value will be zero filled at the end of the data
* sequence.
*
+ * B64_DATA is an arbitrarily long base64 encoded string.
+ * If the sizes do not match, the data will be truncated.
+ *
* IRQ management:
*
* > irq_intercept_in QOM-PATH
@@ -182,6 +191,21 @@ static void qtest_send_prefix(CharDriverState *chr)
(long) tv.tv_sec, (long) tv.tv_usec);
}
+static void GCC_FMT_ATTR(1, 2) qtest_log_send(const char *fmt, ...)
+{
+ va_list ap;
+
+ if (!qtest_log_fp || !qtest_opened) {
+ return;
+ }
+
+ qtest_send_prefix(NULL);
+
+ va_start(ap, fmt);
+ vfprintf(qtest_log_fp, fmt, ap);
+ va_end(ap);
+}
+
static void do_qtest_send(CharDriverState *chr, const char *str, size_t len)
{
qemu_chr_fe_write_all(chr, (uint8_t *)str, len);
@@ -403,6 +427,23 @@ static void qtest_process_command(CharDriverState *chr, gchar **words)
qtest_send(chr, "\n");
g_free(data);
+ } else if (strcmp(words[0], "b64read") == 0) {
+ uint64_t addr, len;
+ uint8_t *data;
+ gchar *b64_data;
+
+ g_assert(words[1] && words[2]);
+ addr = strtoull(words[1], NULL, 0);
+ len = strtoull(words[2], NULL, 0);
+
+ data = g_malloc(len);
+ cpu_physical_memory_read(addr, data, len);
+ b64_data = g_base64_encode(data, len);
+ qtest_send_prefix(chr);
+ qtest_sendf(chr, "OK %s\n", b64_data);
+
+ g_free(data);
+ g_free(b64_data);
} else if (strcmp(words[0], "write") == 0) {
uint64_t addr, len, i;
uint8_t *data;
@@ -432,6 +473,34 @@ static void qtest_process_command(CharDriverState *chr, gchar **words)
qtest_send_prefix(chr);
qtest_send(chr, "OK\n");
+ } else if (strcmp(words[0], "b64write") == 0) {
+ uint64_t addr, len;
+ uint8_t *data;
+ size_t data_len;
+ gsize out_len;
+
+ g_assert(words[1] && words[2] && words[3]);
+ addr = strtoull(words[1], NULL, 0);
+ len = strtoull(words[2], NULL, 0);
+
+ data_len = strlen(words[3]);
+ if (data_len < 3) {
+ qtest_send(chr, "ERR invalid argument size\n");
+ return;
+ }
+
+ data = g_base64_decode_inplace(words[3], &out_len);
+ if (out_len != len) {
+ qtest_log_send("b64write: data length mismatch (told %"PRIu64", "
+ "found %zu)\n",
+ len, out_len);
+ out_len = MIN(out_len, len);
+ }
+
+ cpu_physical_memory_write(addr, data, out_len);
+
+ qtest_send_prefix(chr);
+ qtest_send(chr, "OK\n");
} else if (qtest_enabled() && strcmp(words[0], "clock_step") == 0) {
int64_t ns;
diff --git a/tests/libqtest.c b/tests/libqtest.c
index a525dc532c..5f57005447 100644
--- a/tests/libqtest.c
+++ b/tests/libqtest.c
@@ -695,6 +695,37 @@ void qtest_add_data_func(const char *str, const void *data, void (*fn))
g_free(path);
}
+void qtest_bufwrite(QTestState *s, uint64_t addr, const void *data, size_t size)
+{
+ gchar *bdata;
+
+ bdata = g_base64_encode(data, size);
+ qtest_sendf(s, "b64write 0x%" PRIx64 " 0x%zx ", addr, size);
+ socket_send(s->fd, bdata, strlen(bdata));
+ socket_send(s->fd, "\n", 1);
+ qtest_rsp(s, 0);
+ g_free(bdata);
+}
+
+void qtest_bufread(QTestState *s, uint64_t addr, void *data, size_t size)
+{
+ gchar **args;
+ size_t len;
+
+ qtest_sendf(s, "b64read 0x%" PRIx64 " 0x%zx\n", addr, size);
+ args = qtest_rsp(s, 2);
+
+ g_base64_decode_inplace(args[1], &len);
+ if (size != len) {
+ fprintf(stderr, "bufread: asked for %zu bytes but decoded %zu\n",
+ size, len);
+ len = MIN(len, size);
+ }
+
+ memcpy(data, args[1], len);
+ g_strfreev(args);
+}
+
void qtest_memwrite(QTestState *s, uint64_t addr, const void *data, size_t size)
{
const uint8_t *ptr = data;
diff --git a/tests/libqtest.h b/tests/libqtest.h
index 4b54b5da9e..ec42031523 100644
--- a/tests/libqtest.h
+++ b/tests/libqtest.h
@@ -301,6 +301,17 @@ uint64_t qtest_readq(QTestState *s, uint64_t addr);
void qtest_memread(QTestState *s, uint64_t addr, void *data, size_t size);
/**
+ * qtest_bufread:
+ * @s: #QTestState instance to operate on.
+ * @addr: Guest address to read from.
+ * @data: Pointer to where memory contents will be stored.
+ * @size: Number of bytes to read.
+ *
+ * Read guest memory into a buffer and receive using a base64 encoding.
+ */
+void qtest_bufread(QTestState *s, uint64_t addr, void *data, size_t size);
+
+/**
* qtest_memwrite:
* @s: #QTestState instance to operate on.
* @addr: Guest address to write to.
@@ -312,6 +323,18 @@ 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_bufwrite:
+ * @s: #QTestState instance to operate on.
+ * @addr: Guest address to write to.
+ * @data: Pointer to the bytes that will be written to guest memory.
+ * @size: Number of bytes to write.
+ *
+ * Write a buffer to guest memory and transmit using a base64 encoding.
+ */
+void qtest_bufwrite(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.
@@ -699,6 +722,19 @@ static inline void memread(uint64_t addr, void *data, size_t size)
}
/**
+ * bufread:
+ * @addr: Guest address to read from.
+ * @data: Pointer to where memory contents will be stored.
+ * @size: Number of bytes to read.
+ *
+ * Read guest memory into a buffer, receive using a base64 encoding.
+ */
+static inline void bufread(uint64_t addr, void *data, size_t size)
+{
+ qtest_bufread(global_qtest, addr, data, size);
+}
+
+/**
* memwrite:
* @addr: Guest address to write to.
* @data: Pointer to the bytes that will be written to guest memory.
@@ -712,6 +748,19 @@ static inline void memwrite(uint64_t addr, const void *data, size_t size)
}
/**
+ * bufwrite:
+ * @addr: Guest address to write to.
+ * @data: Pointer to the bytes that will be written to guest memory.
+ * @size: Number of bytes to write.
+ *
+ * Write a buffer to guest memory, transmit using a base64 encoding.
+ */
+static inline void bufwrite(uint64_t addr, const void *data, size_t size)
+{
+ qtest_bufwrite(global_qtest, addr, data, size);
+}
+
+/**
* qmemset:
* @addr: Guest address to write to.
* @patt: Byte pattern to fill the guest memory region with.
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-23 07:02:45 +0000