configure: Use QEMU instead of Qemu

[qemu.git] / qtest.c

diff --git a/qtest.c b/qtest.c
index a1eca4988826edd117a059473cb23f00057c87d5..fbfab4e1a7720c9be61cf78a62a56b19351bfc09 100644 (file)
--- a/qtest.c
+++ b/qtest.c
@@ -18,6 +18,7 @@
 #include "memory.h"
 #include "hw/irq.h"
 #include "sysemu.h"
+#include "cpus.h"
 
 #define MAX_IRQ 256
 
@@ -30,10 +31,10 @@ static FILE *qtest_log_fp;
 static CharDriverState *qtest_chr;
 static GString *inbuf;
 static int irq_levels[MAX_IRQ];
-static struct timeval start_time;
+static qemu_timeval start_time;
 static bool qtest_opened;
 
-#define FMT_timeval "%" PRId64 ".%06" PRId64
+#define FMT_timeval "%ld.%06ld"
 
 /**
  * QTest Protocol
@@ -44,6 +45,30 @@ static bool qtest_opened;
  *
  * Valid requests
  *
+ * Clock management:
+ *
+ * The qtest client is completely in charge of the vm_clock.  qtest commands
+ * let you adjust the value of the clock (monotonically).  All the commands
+ * return the current value of the clock in nanoseconds.
+ *
+ *  > clock_step
+ *  < OK VALUE
+ *
+ *     Advance the clock to the next deadline.  Useful when waiting for
+ *     asynchronous events.
+ *
+ *  > clock_step NS
+ *  < OK VALUE
+ *
+ *     Advance the clock by NS nanoseconds.
+ *
+ *  > clock_set NS
+ *  < OK VALUE
+ *
+ *     Advance the clock to NS nanoseconds (do nothing if it's already past).
+ *
+ * PIO and memory access:
+ *
  *  > outb ADDR VALUE
  *  < OK
  *
@@ -107,9 +132,9 @@ static int hex2nib(char ch)
     }
 }
 
-static void qtest_get_time(struct timeval *tv)
+static void qtest_get_time(qemu_timeval *tv)
 {
-    gettimeofday(tv, NULL);
+    qemu_gettimeofday(tv);
     tv->tv_sec -= start_time.tv_sec;
     tv->tv_usec -= start_time.tv_usec;
     if (tv->tv_usec < 0) {
@@ -120,7 +145,7 @@ static void qtest_get_time(struct timeval *tv)
 
 static void qtest_send_prefix(CharDriverState *chr)
 {
-    struct timeval tv;
+    qemu_timeval tv;
 
     if (!qtest_log_fp || !qtest_opened) {
         return;
@@ -128,10 +153,11 @@ static void qtest_send_prefix(CharDriverState *chr)
 
     qtest_get_time(&tv);
     fprintf(qtest_log_fp, "[S +" FMT_timeval "] ",
-            tv.tv_sec, tv.tv_usec);
+            tv.tv_sec, (long) tv.tv_usec);
 }
 
-static void qtest_send(CharDriverState *chr, const char *fmt, ...)
+static void GCC_FMT_ATTR(2, 3) qtest_send(CharDriverState *chr,
+                                          const char *fmt, ...)
 {
     va_list ap;
     char buffer[1024];
@@ -170,12 +196,12 @@ static void qtest_process_command(CharDriverState *chr, gchar **words)
     command = words[0];
 
     if (qtest_log_fp) {
-        struct timeval tv;
+        qemu_timeval tv;
         int i;
 
         qtest_get_time(&tv);
         fprintf(qtest_log_fp, "[R +" FMT_timeval "]",
-                tv.tv_sec, tv.tv_usec);
+                tv.tv_sec, (long) tv.tv_usec);
         for (i = 0; words[i]; i++) {
             fprintf(qtest_log_fp, " %s", words[i]);
         }
@@ -299,6 +325,25 @@ static void qtest_process_command(CharDriverState *chr, gchar **words)
 
         qtest_send_prefix(chr);
         qtest_send(chr, "OK\n");
+    } else if (strcmp(words[0], "clock_step") == 0) {
+        int64_t ns;
+
+        if (words[1]) {
+            ns = strtoll(words[1], NULL, 0);
+        } else {
+            ns = qemu_clock_deadline(vm_clock);
+        }
+        qtest_clock_warp(qemu_get_clock_ns(vm_clock) + ns);
+        qtest_send_prefix(chr);
+        qtest_send(chr, "OK %"PRIi64"\n", (int64_t)qemu_get_clock_ns(vm_clock));
+    } else if (strcmp(words[0], "clock_set") == 0) {
+        int64_t ns;
+
+        g_assert(words[1]);
+        ns = strtoll(words[1], NULL, 0);
+        qtest_clock_warp(ns);
+        qtest_send_prefix(chr);
+        qtest_send(chr, "OK %"PRIi64"\n", (int64_t)qemu_get_clock_ns(vm_clock));
     } else {
         qtest_send_prefix(chr);
         qtest_send(chr, "FAIL Unknown command `%s'\n", words[0]);
@@ -350,20 +395,20 @@ static void qtest_event(void *opaque, int event)
         for (i = 0; i < ARRAY_SIZE(irq_levels); i++) {
             irq_levels[i] = 0;
         }
-        gettimeofday(&start_time, NULL);
+        qemu_gettimeofday(&start_time);
         qtest_opened = true;
         if (qtest_log_fp) {
             fprintf(qtest_log_fp, "[I " FMT_timeval "] OPENED\n",
-                    start_time.tv_sec, start_time.tv_usec);
+                    start_time.tv_sec, (long) start_time.tv_usec);
         }
         break;
     case CHR_EVENT_CLOSED:
         qtest_opened = false;
         if (qtest_log_fp) {
-            struct timeval tv;
+            qemu_timeval tv;
             qtest_get_time(&tv);
             fprintf(qtest_log_fp, "[I +" FMT_timeval "] CLOSED\n",
-                    tv.tv_sec, tv.tv_usec);
+                    tv.tv_sec, (long) tv.tv_usec);
         }
         break;
     default:
@@ -377,6 +422,7 @@ int qtest_init(void)
 
     g_assert(qtest_chrdev != NULL);
 
+    configure_icount("0");
     chr = qemu_chr_new("qtest", qtest_chrdev, NULL);
 
     qemu_chr_add_handlers(chr, qtest_can_read, qtest_read, qtest_event, chr);