Changeset 0287820 in mainline for kernel/arch/mips32/include

Timestamp:

2007-12-02T00:54:24Z (18 years ago)

Author:

Martin Decky <martin@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

8df2eab

Parents:

d4e38c7

Message:

CPU cycle accounting on MIPS

Location:

kernel/arch/mips32/include

Files:

• cycle.h (modified) (1 diff)
• interrupt.h (modified) (1 diff)

kernel/arch/mips32/include/cycle.h

@@ -36 +36 @@
 #define KERN_mips32_CYCLE_H_
 
+#include <arch/cp0.h>
+#include <arch/interrupt.h>
+
 static inline uint64_t get_cycle(void)
 {
-        return 0;
+        return ((uint64_t) count_hi << 32) + ((uint64_t) cp0_count_read());
 }
 

kernel/arch/mips32/include/interrupt.h

@@ -43 +43 @@
 
 extern function virtual_timer_fnc;
+extern uint32_t count_hi;
 
 extern void interrupt_init(void);