X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;ds=sidebyside;f=include%2Fasm-ppc64%2Fsystem.h;h=276bfa8130763c604a22abe0052be777e3dd4446;hb=9bf4aaab3e101692164d49b7ca357651eb691cb6;hp=bb1ebb203ab589a4015b070287546467c7f4cd66;hpb=db216c3d5e4c040e557a50f8f5d35d5c415e8c1c;p=linux-2.6.git

diff --git a/include/asm-ppc64/system.h b/include/asm-ppc64/system.h
index bb1ebb203..276bfa813 100644
--- a/include/asm-ppc64/system.h
+++ b/include/asm-ppc64/system.h
@@ -111,13 +111,25 @@ extern void flush_instruction_cache(void);
 extern int _get_PVR(void);
 extern void giveup_fpu(struct task_struct *);
 extern void disable_kernel_fp(void);
+extern void flush_fp_to_thread(struct task_struct *);
 extern void enable_kernel_fp(void);
 extern void giveup_altivec(struct task_struct *);
 extern void disable_kernel_altivec(void);
 extern void enable_kernel_altivec(void);
+extern int emulate_altivec(struct pt_regs *);
 extern void cvt_fd(float *from, double *to, unsigned long *fpscr);
 extern void cvt_df(double *from, float *to, unsigned long *fpscr);
-extern int abs(int);
+
+#ifdef CONFIG_ALTIVEC
+extern void flush_altivec_to_thread(struct task_struct *);
+#else
+static inline void flush_altivec_to_thread(struct task_struct *t)
+{
+}
+#endif
+
+/* EBCDIC -> ASCII conversion for [0-9A-Z] on iSeries */
+extern unsigned char e2a(unsigned char);
 
 extern struct task_struct *__switch_to(struct task_struct *,
 				       struct task_struct *);
@@ -277,5 +289,14 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
 				    (unsigned long)_n_, sizeof(*(ptr))); \
   })
 
+/*
+ * We handle most unaligned accesses in hardware. On the other hand 
+ * unaligned DMA can be very expensive on some ppc64 IO chips (it does
+ * powers of 2 writes until it reaches sufficient alignment).
+ *
+ * Based on this we disable the IP header alignment in network drivers.
+ */
+#define NET_IP_ALIGN   0
+
 #endif /* __KERNEL__ */
 #endif