[SeaBIOS] [Seabios PATCH v2] make reboot-timeout to static for using it after POST phase

[Amos Kong]

From: Kevin O'Connor

Memory allocated with malloc_tmp() can't be used after the POST
phase. The reboot-timeout inside romfile could not be loaded in
boot_fail(). The patch saved reboot-timeout to a static variable,
it fixed the regression bug introduced by commit 59d6ca52

I already tested this patch, reboot-timeout parameter of qemu
works now.
@ qemu -boot reboot-timeout=1000 ...

Signed-off-by: Kevin O'Connor 
Signed-off-by: Amos Kong 
--
V2: trivial fix in comment (li guang)
---
 src/boot.c |   15 +++++++++------
 1 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/src/boot.c b/src/boot.c
index ec411b7..3370c2d 100644
--- a/src/boot.c
+++ b/src/boot.c
@@ -235,6 +235,7 @@ int bootprio_find_usb(struct usbdevice_s *usbdev, int lun)
  * Boot setup
  ****************************************************************/

+static int BootRetryTime;
 static int CheckFloppySig = 1;

#define DEFAULT_PRIO           9999
@@ -271,6 +272,8 @@ boot_init(void)
         }
     }

+    BootRetryTime = romfile_loadint("etc/boot-fail-wait", 60*1000);
+
     loadBootOrder();
 }

@@ -629,15 +632,15 @@ boot_rom(u32 vector)
 static void
 boot_fail(void)
 {
-    u32 retrytime = romfile_loadint("etc/boot-fail-wait", 60*1000);
-    if (retrytime == (u32)-1)
+    if (BootRetryTime == (u32)-1)
         printf("No bootable device.\n");
     else
-        printf("No bootable device.  Retrying in %d seconds.\n", retrytime/1000);
-    // Wait for 'retrytime' milliseconds and then reboot.
-    u32 end = calc_future_timer(retrytime);
+        printf("No bootable device.  Retrying in %d seconds.\n"
+               , BootRetryTime/1000);
+    // Wait for 'BootRetryTime' milliseconds and then reboot.
+    u32 end = calc_future_timer(BootRetryTime);
     for (;;) {
-        if (retrytime != (u32)-1 && check_timer(end))
+        if (BootRetryTime != (u32)-1 && check_timer(end))
             break;
         yield_toirq();
     }