Changeset 9236 in vbox for trunk/src/VBox/Runtime/r0drv/linux

Timestamp:

May 29, 2008 9:41:45 PM (17 years ago)

Author:

vboxsync

Message:

Implemented RTTime for the linux kernel (not used yet).

Location:

trunk/src/VBox/Runtime/r0drv/linux

Files:

• the-linux-kernel.h (modified) (2 diffs)
• time-r0drv-linux.c (added)

trunk/src/VBox/Runtime/r0drv/linux/the-linux-kernel.h

@@ -77 +77 @@
 #include <linux/pagemap.h>
 #include <linux/slab.h>
+#include <linux/time.h>
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 7)
-# include <linux/time.h>
 # include <linux/jiffies.h>
+#endif
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 16)
+# include <linux/ktime.h>
 #endif
 #include <linux/wait.h>
@@ -248 +251 @@
 #endif
 
+/** @def ONE_MSEC_IN_JIFFIES
+ * The number of jiffies that make up 1 millisecond. Must be at least 1! */
+#if HZ <= 1000
+# define ONE_MSEC_IN_JIFFIES       1
+#elif !(HZ % 1000)
+# define ONE_MSEC_IN_JIFFIES       (HZ / 1000)
+#else
+# define ONE_MSEC_IN_JIFFIES       ((HZ + 999) / 1000)
+# error "HZ is not a multiple of 1000, the GIP stuff won't work right!"
+#endif
+
+/** @def TICK_NSEC
+ * The time between ticks in nsec */
+#ifndef TICK_NSEC
+# define TICK_NSEC (1000000UL / HZ)
+#endif
+
 /*
  * Stop using the linux bool type.