CRIS v32: Update entry.S to working order.

- Remove oldset parameter.
- Utilise delay-slot for parameter moving.
- Add kernel_execve as break 13.
- Add new kernel syscalls.

diff --git a/arch/cris/arch-v32/kernel/entry.S b/arch/cris/arch-v32/kernel/entry.S
index f9d27807b914b2c27d53a7b4298962cbf3664a25..f58e137876f8c66c5232c8011de687138d16f520 100644 (file)
--- a/arch/cris/arch-v32/kernel/entry.S
+++ b/arch/cris/arch-v32/kernel/entry.S
@@ -10,7 +10,7 @@
  * after a timer-interrupt and after each system call.
  *
  * Stack layout in 'ret_from_system_call':
- *     ptrace needs to have all regs on the stack.
+ *     ptrace needs to have all regs on the stack.
  *     if the order here is changed, it needs to be
  *     updated in fork.c:copy_process, signal.c:do_signal,
  *     ptrace.c and ptrace.h
@@ -281,12 +281,10 @@ _work_notifysig:
        ;; Deal with pending signals and notify-resume requests.
 
        addoq   +TI_flags, $r0, $acr
-       move.d  [$acr], $r13            ; The thread_info_flags parameter.
-       move.d  $r9, $r10               ; do_notify_resume syscall/irq param.
-       moveq   0, $r11                 ; oldset param - 0 in this case.
-       move.d  $sp, $r12               ; The regs param.
+       move.d  [$acr], $r12            ; The thread_info_flags parameter.
+       move.d  $sp, $r11               ; The regs param.
        jsr     do_notify_resume
-       nop
+       move.d  $r9, $r10               ; do_notify_resume syscall/irq param.
 
        ba _Rexit
        nop
@@ -396,7 +394,7 @@ nmi_interrupt:
        btstq   REG_BIT(intr_vect, r_nmi, watchdog), $r0
        bpl     1f
        nop
-       jsr     handle_watchdog_bite    ; In time.c.
+       jsr     handle_watchdog_bite    ; In time.c.
         move.d $sp, $r10               ; Pointer to registers
 1:     btstq   REG_BIT(intr_vect, r_nmi, ext), $r0
        bpl     1f
@@ -515,6 +513,13 @@ _ugdb_handle_exception:
        ba      do_sigtrap              ; SIGTRAP the offending process.
        move.d  [$sp+], $r0             ; Restore R0 in delay slot.
 
+       .global kernel_execve
+kernel_execve:
+       move.d __NR_execve, $r9
+       break 13
+       ret
+       nop
+
        .data
 
        .section .rodata,"a"
@@ -778,21 +783,21 @@ sys_call_table:
        .long sys_epoll_ctl     /* 255 */
        .long sys_epoll_wait
        .long sys_remap_file_pages
-       .long sys_set_tid_address
-       .long sys_timer_create
-       .long sys_timer_settime         /* 260 */
-       .long sys_timer_gettime
-       .long sys_timer_getoverrun
-       .long sys_timer_delete
-       .long sys_clock_settime
-       .long sys_clock_gettime         /* 265 */
-       .long sys_clock_getres
-       .long sys_clock_nanosleep
+       .long sys_set_tid_address
+       .long sys_timer_create
+       .long sys_timer_settime         /* 260 */
+       .long sys_timer_gettime
+       .long sys_timer_getoverrun
+       .long sys_timer_delete
+       .long sys_clock_settime
+       .long sys_clock_gettime         /* 265 */
+       .long sys_clock_getres
+       .long sys_clock_nanosleep
        .long sys_statfs64
        .long sys_fstatfs64
        .long sys_tgkill        /* 270 */
        .long sys_utimes
-       .long sys_fadvise64_64
+       .long sys_fadvise64_64
        .long sys_ni_syscall    /* sys_vserver */
        .long sys_ni_syscall    /* sys_mbind */
        .long sys_ni_syscall    /* 275 sys_get_mempolicy */
@@ -805,6 +810,46 @@ sys_call_table:
        .long sys_mq_getsetattr
        .long sys_ni_syscall            /* reserved for kexec */
        .long sys_waitid
+       .long sys_ni_syscall            /* 285 */ /* available */
+       .long sys_add_key
+       .long sys_request_key
+       .long sys_keyctl
+       .long sys_ioprio_set
+       .long sys_ioprio_get            /* 290 */
+       .long sys_inotify_init
+       .long sys_inotify_add_watch
+       .long sys_inotify_rm_watch
+       .long sys_migrate_pages
+       .long sys_openat                /* 295 */
+       .long sys_mkdirat
+       .long sys_mknodat
+       .long sys_fchownat
+       .long sys_futimesat
+       .long sys_fstatat64             /* 300 */
+       .long sys_unlinkat
+       .long sys_renameat
+       .long sys_linkat
+       .long sys_symlinkat
+       .long sys_readlinkat            /* 305 */
+       .long sys_fchmodat
+       .long sys_faccessat
+       .long sys_pselect6
+       .long sys_ppoll
+       .long sys_unshare               /* 310 */
+       .long sys_set_robust_list
+       .long sys_get_robust_list
+       .long sys_splice
+       .long sys_sync_file_range
+       .long sys_tee                   /* 315 */
+       .long sys_vmsplice
+       .long sys_move_pages
+       .long sys_getcpu
+       .long sys_epoll_pwait
+       .long sys_utimensat             /* 320 */
+       .long sys_signalfd
+       .long sys_timerfd
+       .long sys_eventfd
+       .long sys_fallocate
 
         /*
          * NOTE!! This doesn't have to be exact - we just have