diff options
Diffstat (limited to 'patches/glibc/2.3.2/glibc-2.3.2-sh4-trapa.patch')
-rw-r--r-- | patches/glibc/2.3.2/glibc-2.3.2-sh4-trapa.patch | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/patches/glibc/2.3.2/glibc-2.3.2-sh4-trapa.patch b/patches/glibc/2.3.2/glibc-2.3.2-sh4-trapa.patch deleted file mode 100644 index f93bb6f..0000000 --- a/patches/glibc/2.3.2/glibc-2.3.2-sh4-trapa.patch +++ /dev/null @@ -1,55 +0,0 @@ -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 - -Ankur Sheth said: - -"This is actually a workaround for a bug in the sh4. The actual bug is -documented here : -http://documentation.renesas.com/eng/products/mpumcu/tu/tnsh7456ae.pdf -Basically the cache & TLB should not be accessed for 4 (or was it 5?) cycles -after isssuing a TRAPA instruction. I didn't run into any specific problem -because of this bug, but it seems useful to have and the patch itself seems -pretty harmless." - - -=================================================================== -RCS file: /cvs/glibc/libc/sysdeps/unix/sysv/linux/sh/sysdep.h,v -retrieving revision 1.9 -retrieving revision 1.10 -diff -u -r1.9 -r1.10 ---- libc/sysdeps/unix/sysv/linux/sh/sysdep.h 2003/09/01 04:05:21 1.9 -+++ libc/sysdeps/unix/sysv/linux/sh/sysdep.h 2003/10/15 04:36:32 1.10 -@@ -183,6 +183,13 @@ - # endif /* _LIBC_REENTRANT */ - #endif /* PIC */ - -+# ifdef NEED_SYSCALL_INST_PAD -+# define SYSCALL_INST_PAD \ -+ or r0,r0; or r0,r0; or r0,r0; or r0,r0; or r0,r0 -+# else -+# define SYSCALL_INST_PAD -+# endif -+ - #define SYSCALL_INST0 trapa #0x10 - #define SYSCALL_INST1 trapa #0x11 - #define SYSCALL_INST2 trapa #0x12 -@@ -195,19 +202,13 @@ - #define DO_CALL(syscall_name, args) \ - mov.l 1f,r3; \ - SYSCALL_INST##args; \ -+ SYSCALL_INST_PAD; \ - bra 2f; \ - nop; \ - .align 2; \ - 1: .long SYS_ify (syscall_name); \ - 2: - --# ifdef NEED_SYSCALL_INST_PAD --# define SYSCALL_INST_PAD \ -- or r0,r0; or r0,r0; or r0,r0; or r0,r0; or r0,r0 --# else --# define SYSCALL_INST_PAD --# endif -- - #else /* not __ASSEMBLER__ */ - - #define SYSCALL_INST_STR0 "trapa #0x10\n\t" |