commit 7e0af5d09729c13900e3e7933ec2071a3646017a
author bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> Wed Nov 07 16:24:33 2007 +0000
committer bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> Wed Nov 07 16:24:33 2007 +0000
tree 6aca313888d9af645b1ef7e82a8c0c608a66576e
parent 2331d91e775db285bdf0db4e68a949e67167b27b

added -startdate option


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3540 c046a42c-6fe2-441c-8c8c-71466251a162

vl.c

diff --git a/vl.c b/vl.c
index 73a22da..c13b1a1 100644
--- a/vl.c
+++ b/vl.c
@@ -174,6 +174,7 @@
 NICInfo nd_table[MAX_NICS];
 int vm_running;
 int rtc_utc = 1;
+int rtc_start_date = -1; /* -1 means now */
 int cirrus_vga_enabled = 1;
 int vmsvga_enabled = 0;
 #ifdef TARGET_SPARC
@@ -7212,6 +7213,7 @@
     QEMU_OPTION_prom_env,
     QEMU_OPTION_old_param,
     QEMU_OPTION_clock,
+    QEMU_OPTION_startdate,
 };
 
 typedef struct QEMUOption {
@@ -7318,6 +7320,7 @@
     { "old-param", 0, QEMU_OPTION_old_param },
 #endif
     { "clock", HAS_ARG, QEMU_OPTION_clock },
+    { "startdate", HAS_ARG, QEMU_OPTION_startdate },
     { NULL },
 };
 
@@ -8107,6 +8110,42 @@
             case QEMU_OPTION_clock:
                 configure_alarms(optarg);
                 break;
+            case QEMU_OPTION_startdate:
+                {
+                    struct tm tm;
+                    if (!strcmp(optarg, "now")) {
+                        rtc_start_date = -1;
+                    } else {
+                        if (sscanf(optarg, "%d-%d-%dT%d:%d:%d",
+                               &tm.tm_year,
+                               &tm.tm_mon,
+                               &tm.tm_mday,
+                               &tm.tm_hour,
+                               &tm.tm_min,
+                               &tm.tm_sec) == 6) {
+                            /* OK */
+                        } else if (sscanf(optarg, "%d-%d-%d",
+                                          &tm.tm_year,
+                                          &tm.tm_mon,
+                                          &tm.tm_mday) == 3) {
+                            tm.tm_hour = 0;
+                            tm.tm_min = 0;
+                            tm.tm_sec = 0;
+                        } else {
+                            goto date_fail;
+                        }
+                        tm.tm_year -= 1900;
+                        tm.tm_mon--;
+                        rtc_start_date = timegm(&tm);
+                        if (rtc_start_date == -1) {
+                        date_fail:
+                            fprintf(stderr, "Invalid date format. Valid format are:\n"
+                                    "'now' or '2006-06-17T16:01:21' or '2006-06-17'\n");
+                            exit(1);
+                        }
+                    }
+                }
+                break;
             }
         }
     }