Changeset 0b3a78f in mainline for kernel/generic/include/cpu.h

Timestamp:

2007-01-29T16:18:37Z (18 years ago)

Author:

Martin Decky <martin@…>

Branches:

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

Children:

8be8cfa

Parents:

3bf4143

Message:

move cpu_t to cpu.h

File:

• kernel/generic/include/cpu.h (modified) (1 diff)

kernel/generic/include/cpu.h

@@ -36 +36 @@
 #define KERN_CPU_H_
 
-#include <proc/thread.h>
+#include <mm/tlb.h>
+#include <synch/spinlock.h>
+#include <proc/scheduler.h>
+#include <arch/cpu.h>
+#include <arch/context.h>
 
 #define CPU_STACK_SIZE  STACK_SIZE
+
+/** CPU structure.
+ *
+ * There is one structure like this for every processor.
+ */
+typedef struct {
+        SPINLOCK_DECLARE(lock);
+
+        tlb_shootdown_msg_t tlb_messages[TLB_MESSAGE_QUEUE_LEN];
+        count_t tlb_messages_count;
+        
+        context_t saved_context;
+
+        atomic_t nrdy;
+        runq_t rq[RQ_COUNT];
+        volatile count_t needs_relink;
+
+        SPINLOCK_DECLARE(timeoutlock);
+        link_t timeout_active_head;
+
+        count_t missed_clock_ticks;     /**< When system clock loses a tick, it is recorded here
+                                             so that clock() can react. This variable is
+                                             CPU-local and can be only accessed when interrupts
+                                             are disabled. */
+
+        /**
+         * Processor ID assigned by kernel.
+         */
+        unsigned int id;
+        
+        int active;
+        int tlb_active;
+
+        uint16_t frequency_mhz;
+        uint32_t delay_loop_const;
+
+        cpu_arch_t arch;
+
+        struct thread *fpu_owner;
+        
+        /**
+         * Stack used by scheduler when there is no running thread.
+         */
+        uint8_t *stack;
+} cpu_t;
 
 extern cpu_t *cpus;