linux 2.6.16.38 w/ vs2.0.3-rc1
[linux-2.6.git] / include / asm-mips / system.h
index dcb4701..ddae9ba 100644 (file)
 #ifndef _ASM_SYSTEM_H
 #define _ASM_SYSTEM_H
 
+#include <linux/config.h>
 #include <linux/types.h>
-#include <linux/irqflags.h>
 
 #include <asm/addrspace.h>
 #include <asm/cpu-features.h>
 #include <asm/dsp.h>
 #include <asm/ptrace.h>
 #include <asm/war.h>
+#include <asm/interrupt.h>
 
 /*
  * read_barrier_depends - Flush all pending reads that subsequents reads
 #define set_mb(var, value) \
 do { var = value; mb(); } while (0)
 
+#define set_wmb(var, value) \
+do { var = value; wmb(); } while (0)
+
 /*
  * switch_to(n) should switch tasks to task nr n, first
  * checking that n isn't the current task, in which case it does nothing.
@@ -151,37 +155,6 @@ extern asmlinkage void *resume(void *last, void *next, void *next_ti);
 
 struct task_struct;
 
-#ifdef CONFIG_MIPS_MT_FPAFF
-
-/*
- * Handle the scheduler resume end of FPU affinity management.  We do this
- * inline to try to keep the overhead down. If we have been forced to run on
- * a "CPU" with an FPU because of a previous high level of FP computation,
- * but did not actually use the FPU during the most recent time-slice (CU1
- * isn't set), we undo the restriction on cpus_allowed.
- *
- * We're not calling set_cpus_allowed() here, because we have no need to
- * force prompt migration - we're already switching the current CPU to a
- * different thread.
- */
-
-#define switch_to(prev,next,last)                                      \
-do {                                                                   \
-       if (cpu_has_fpu &&                                              \
-           (prev->thread.mflags & MF_FPUBOUND) &&                      \
-            (!(KSTK_STATUS(prev) & ST0_CU1))) {                        \
-               prev->thread.mflags &= ~MF_FPUBOUND;                    \
-               prev->cpus_allowed = prev->thread.user_cpus_allowed;    \
-       }                                                               \
-       if (cpu_has_dsp)                                                \
-               __save_dsp(prev);                                       \
-       next->thread.emulated_fp = 0;                                   \
-       (last) = resume(prev, next, next->thread_info);                 \
-       if (cpu_has_dsp)                                                \
-               __restore_dsp(current);                                 \
-} while(0)
-
-#else
 #define switch_to(prev,next,last)                                      \
 do {                                                                   \
        if (cpu_has_dsp)                                                \
@@ -190,7 +163,6 @@ do {                                                                        \
        if (cpu_has_dsp)                                                \
                __restore_dsp(current);                                 \
 } while(0)
-#endif
 
 /*
  * On SMP systems, when the scheduler does migration-cost autodetection,
@@ -314,10 +286,10 @@ extern void __xchg_called_with_bad_pointer(void);
 static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int size)
 {
        switch (size) {
-       case 4:
-               return __xchg_u32(ptr, x);
-       case 8:
-               return __xchg_u64(ptr, x);
+               case 4:
+                       return __xchg_u32(ptr, x);
+               case 8:
+                       return __xchg_u64(ptr, x);
        }
        __xchg_called_with_bad_pointer();
        return x;
@@ -468,8 +440,8 @@ static inline unsigned long __cmpxchg(volatile void * ptr, unsigned long old,
 extern void set_handler (unsigned long offset, void *addr, unsigned long len);
 extern void set_uncached_handler (unsigned long offset, void *addr, unsigned long len);
 extern void *set_vi_handler (int n, void *addr);
+extern void *set_vi_srs_handler (int n, void *addr, int regset);
 extern void *set_except_vector(int n, void *addr);
-extern unsigned long ebase;
 extern void per_cpu_trap_init(void);
 
 extern NORET_TYPE void die(const char *, struct pt_regs *);