[PATCH] CRIS: Wire up syscalls signalfd4 to writev.

From: Jesper Nilsson
Date: Tue Apr 28 2009 - 11:59:22 EST


On Mon, Apr 27, 2009 at 10:13:56AM +0200, Christoph Hellwig wrote:
> 2.6.30 added the new preadv/pwritev system calls. The following
> architectures still haven't wired them up:
>
> alpha, avr32, blackfin, cris, frv, h8300, m32r, xtensa
>
> Can you maintainers please look into wiring these system calls up?

I've just added the following patch to the CRIS tree:


Adds sys_signalfd4, sys_eventfd2, sys_epoll_create1, sys_dup3,
sys_pipe2, sys_inotify_init1, sys_preadv, sys_pwritev
for both CRISv10 and CRISv32.

Signed-off-by: Jesper Nilsson <jesper.nilsson@xxxxxxxx>
---
arch/cris/arch-v10/kernel/entry.S | 14 +++++++++++---
arch/cris/arch-v32/kernel/entry.S | 8 ++++++++
arch/cris/include/asm/unistd.h | 12 ++++++++++--
3 files changed, 29 insertions(+), 5 deletions(-)

diff --git a/arch/cris/arch-v10/kernel/entry.S b/arch/cris/arch-v10/kernel/entry.S
index 72f5cd3..2c18d08 100644
--- a/arch/cris/arch-v10/kernel/entry.S
+++ b/arch/cris/arch-v10/kernel/entry.S
@@ -536,10 +536,10 @@ multiple_interrupt:
movem $r13, [$sp]
push $r10 ; push orig_r10
clear.d [$sp=$sp-4] ; frametype == 0, normal frame
-
+
move.d $sp, $r10
jsr do_multiple_IRQ
-
+
jump ret_from_intr

do_sigtrap:
@@ -585,7 +585,7 @@ _ugdb_handle_breakpoint:
pop $r0 ; Restore r0.
ba do_sigtrap ; SIGTRAP the offending process.
pop $dccr ; Restore dccr in delay slot.
-
+
.global kernel_execve
kernel_execve:
move.d __NR_execve, $r9
@@ -929,6 +929,14 @@ sys_call_table:
.long sys_fallocate
.long sys_timerfd_settime /* 325 */
.long sys_timerfd_gettime
+ .long sys_signalfd4
+ .long sys_eventfd2
+ .long sys_epoll_create1
+ .long sys_dup3 /* 330 */
+ .long sys_pipe2
+ .long sys_inotify_init1
+ .long sys_preadv
+ .long sys_pwritev

/*
* NOTE!! This doesn't have to be exact - we just have
diff --git a/arch/cris/arch-v32/kernel/entry.S b/arch/cris/arch-v32/kernel/entry.S
index 5e674c8..435b967 100644
--- a/arch/cris/arch-v32/kernel/entry.S
+++ b/arch/cris/arch-v32/kernel/entry.S
@@ -852,6 +852,14 @@ sys_call_table:
.long sys_fallocate
.long sys_timerfd_settime /* 325 */
.long sys_timerfd_gettime
+ .long sys_signalfd4
+ .long sys_eventfd2
+ .long sys_epoll_create1
+ .long sys_dup3 /* 330 */
+ .long sys_pipe2
+ .long sys_inotify_init1
+ .long sys_preadv
+ .long sys_pwritev

/*
* NOTE!! This doesn't have to be exact - we just have
diff --git a/arch/cris/include/asm/unistd.h b/arch/cris/include/asm/unistd.h
index 235d076..c170793 100644
--- a/arch/cris/include/asm/unistd.h
+++ b/arch/cris/include/asm/unistd.h
@@ -281,7 +281,7 @@
#define __NR_mbind 274
#define __NR_get_mempolicy 275
#define __NR_set_mempolicy 276
-#define __NR_mq_open 277
+#define __NR_mq_open 277
#define __NR_mq_unlink (__NR_mq_open+1)
#define __NR_mq_timedsend (__NR_mq_open+2)
#define __NR_mq_timedreceive (__NR_mq_open+3)
@@ -331,10 +331,18 @@
#define __NR_fallocate 324
#define __NR_timerfd_settime 325
#define __NR_timerfd_gettime 326
+#define __NR_signalfd4 327
+#define __NR_eventfd2 328
+#define __NR_epoll_create1 329
+#define __NR_dup3 330
+#define __NR_pipe2 331
+#define __NR_inotify_init1 332
+#define __NR_preadv 333
+#define __NR_pwritev 334

#ifdef __KERNEL__

-#define NR_syscalls 327
+#define NR_syscalls 335

#include <arch/unistd.h>

--
1.6.1


/^JN - Jesper Nilsson
--
Jesper Nilsson -- jesper.nilsson@xxxxxxxx
--
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