1.1 --- a/patches/glibc/2.3.2/glibc-2.3.2-sh4-trapa.patch	Tue Aug 14 19:32:22 2007 +0000
     1.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.3 @@ -1,55 +0,0 @@
     1.4 -http://sources.redhat.com/cgi-bin/cvsweb.cgi/libc/sysdeps/unix/sysv/linux/sh/sysdep.h.diff?r1=1.9&r2=1.10&cvsroot=glibc
     1.5 -
     1.6 -Ankur Sheth said:
     1.7 -
     1.8 -"This is actually a workaround for a bug in the sh4.  The actual bug is
     1.9 -documented here :
    1.10 -http://documentation.renesas.com/eng/products/mpumcu/tu/tnsh7456ae.pdf
    1.11 -Basically the cache & TLB should not be accessed for 4 (or was it 5?) cycles
    1.12 -after isssuing a TRAPA instruction.  I didn't run into any specific problem
    1.13 -because of this bug, but it seems useful to have and the patch itself seems
    1.14 -pretty harmless."
    1.15 -
    1.16 -
    1.17 -===================================================================
    1.18 -RCS file: /cvs/glibc/libc/sysdeps/unix/sysv/linux/sh/sysdep.h,v
    1.19 -retrieving revision 1.9
    1.20 -retrieving revision 1.10
    1.21 -diff -u -r1.9 -r1.10
    1.22 ---- libc/sysdeps/unix/sysv/linux/sh/sysdep.h	2003/09/01 04:05:21	1.9
    1.23 -+++ libc/sysdeps/unix/sysv/linux/sh/sysdep.h	2003/10/15 04:36:32	1.10
    1.24 -@@ -183,6 +183,13 @@
    1.25 - # endif	/* _LIBC_REENTRANT */
    1.26 - #endif	/* PIC */
    1.27 - 
    1.28 -+# ifdef NEED_SYSCALL_INST_PAD
    1.29 -+#  define SYSCALL_INST_PAD \
    1.30 -+	or r0,r0; or r0,r0; or r0,r0; or r0,r0; or r0,r0
    1.31 -+# else
    1.32 -+#  define SYSCALL_INST_PAD
    1.33 -+# endif
    1.34 -+
    1.35 - #define SYSCALL_INST0	trapa #0x10
    1.36 - #define SYSCALL_INST1	trapa #0x11
    1.37 - #define SYSCALL_INST2	trapa #0x12
    1.38 -@@ -195,19 +202,13 @@
    1.39 - #define DO_CALL(syscall_name, args)	\
    1.40 -     mov.l 1f,r3;			\
    1.41 -     SYSCALL_INST##args;			\
    1.42 -+    SYSCALL_INST_PAD;			\
    1.43 -     bra 2f;				\
    1.44 -      nop;				\
    1.45 -     .align 2;				\
    1.46 -  1: .long SYS_ify (syscall_name);	\
    1.47 -  2:
    1.48 - 
    1.49 --# ifdef NEED_SYSCALL_INST_PAD
    1.50 --#  define SYSCALL_INST_PAD \
    1.51 --	or r0,r0; or r0,r0; or r0,r0; or r0,r0; or r0,r0
    1.52 --# else
    1.53 --#  define SYSCALL_INST_PAD
    1.54 --# endif
    1.55 --
    1.56 - #else /* not __ASSEMBLER__ */
    1.57 - 
    1.58 - #define SYSCALL_INST_STR0	"trapa #0x10\n\t"