[MIPS] Wire up tee(2).

[pandora-kernel.git] / arch / mips / kernel / scall32-o32.S

diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index 4dd8e8b..6344be4 100644 (file)
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -94,11 +94,13 @@ syscall_trace_entry:
        li      a1, 0
        jal     do_syscall_trace
 
+       move    t0, s0
+       RESTORE_STATIC
        lw      a0, PT_R4(sp)           # Restore argument registers
        lw      a1, PT_R5(sp)
        lw      a2, PT_R6(sp)
        lw      a3, PT_R7(sp)
-       jalr    s0
+       jalr    t0
 
        li      t0, -EMAXERRNO - 1      # error?
        sltu    t0, t0, v0
@@ -241,19 +243,7 @@ illegal_syscall:
        sw      zero, PT_R7(sp)         # success
        sw      v0, PT_R2(sp)           # result
 
-       /* Success, so skip usual error handling garbage.  */
-       lw      a2, TI_FLAGS($28)       # syscall tracing enabled?
-       li      t0, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT
-       and     t0, a2, t0
-       bnez    t0, 1f
-
-       j       o32_syscall_exit
-
-1:     SAVE_STATIC
-       move    a0, sp
-       li      a1, 1
-       jal     do_syscall_trace
-       j       syscall_exit
+       j       o32_syscall_exit        # continue like a normal syscall
 
 no_mem:        li      v0, -ENOMEM
        jr      ra
@@ -507,7 +497,7 @@ einval:     li      v0, -EINVAL
        sys     sys_sched_get_priority_min 1
        sys     sys_sched_rr_get_interval 2     /* 4165 */
        sys     sys_nanosleep,          2
-       sys     sys_mremap,             4
+       sys     sys_mremap,             5
        sys     sys_accept              3
        sys     sys_bind                3
        sys     sys_connect             3       /* 4170 */
@@ -579,8 +569,19 @@ einval:    li      v0, -EINVAL
        sys     sys_tkill               2
        sys     sys_sendfile64          5
        sys     sys_futex               6
+#ifdef CONFIG_MIPS_MT_FPAFF
+       /*
+        * For FPU affinity scheduling on MIPS MT processors, we need to
+        * intercept sys_sched_xxxaffinity() calls until we get a proper hook
+        * in kernel/sched.c.  Considered only temporary we only support these
+        * hooks for the 32-bit kernel - there is no MIPS64 MT processor atm.
+        */
+       sys     mipsmt_sys_sched_setaffinity    3
+       sys     mipsmt_sys_sched_getaffinity    3
+#else
        sys     sys_sched_setaffinity   3
        sys     sys_sched_getaffinity   3       /* 4240 */
+#endif /* CONFIG_MIPS_MT_FPAFF */
        sys     sys_io_setup            2
        sys     sys_io_destroy          1
        sys     sys_io_getevents        5
@@ -627,6 +628,26 @@ einval:    li      v0, -EINVAL
        sys     sys_inotify_init        0
        sys     sys_inotify_add_watch   3       /* 4285 */
        sys     sys_inotify_rm_watch    2
+       sys     sys_migrate_pages       4
+       sys     sys_openat              4
+       sys     sys_mkdirat             3
+       sys     sys_mknodat             4       /* 4290 */
+       sys     sys_fchownat            5
+       sys     sys_futimesat           3
+       sys     sys_fstatat64           4
+       sys     sys_unlinkat            3
+       sys     sys_renameat            4       /* 4295 */
+       sys     sys_linkat              5
+       sys     sys_symlinkat           3
+       sys     sys_readlinkat          4
+       sys     sys_fchmodat            3
+       sys     sys_faccessat           3       /* 4300 */
+       sys     sys_pselect6            6
+       sys     sys_ppoll               5
+       sys     sys_unshare             1
+       sys     sys_splice              4
+       sys     sys_sync_file_range     7       /* 4305 */
+       sys     sys_tee                 4
        .endm
 
        /* We pre-compute the number of _instruction_ bytes needed to