sparc: Fix debugger syscall restart interactions.

[pandora-kernel.git] / arch / sparc / kernel / rtrap.S

diff --git a/arch/sparc/kernel/rtrap.S b/arch/sparc/kernel/rtrap.S
index 77ca6fd..b27b5b5 100644 (file)
--- a/arch/sparc/kernel/rtrap.S
+++ b/arch/sparc/kernel/rtrap.S
@@ -50,8 +50,9 @@ rtrap_7win_patch5:    and     %g1, 0x7f, %g1
 ret_trap_entry:
 ret_trap_lockless_ipi:
        andcc   %t_psr, PSR_PS, %g0
+       sethi   %hi(PSR_SYSCALL), %g1
        be      1f
-        nop
+        andn   %t_psr, %g1, %t_psr
 
        wr      %t_psr, 0x0, %psr
        b       ret_trap_kernel
@@ -73,7 +74,6 @@ signal_p:
         ld     [%sp + STACKFRAME_SZ + PT_PSR], %t_psr
 
        mov     %l5, %o1
-       mov     %l6, %o2
        call    do_signal
         add    %sp, STACKFRAME_SZ, %o0 ! pt_regs ptr
 
@@ -81,6 +81,8 @@ signal_p:
        ld      [%sp + STACKFRAME_SZ + PT_PSR], %t_psr
        clr     %l6
 ret_trap_continue:
+       sethi   %hi(PSR_SYSCALL), %g1
+       andn    %t_psr, %g1, %t_psr
        wr      %t_psr, 0x0, %psr
        WRITE_PAUSE
 
@@ -137,8 +139,9 @@ ret_trap_userwins_ok:
        LOAD_PT_PRIV(sp, t_psr, t_pc, t_npc)
        or      %t_pc, %t_npc, %g2
        andcc   %g2, 0x3, %g0
+       sethi   %hi(PSR_SYCALL), %g2
        be      1f
-        nop
+        andn   %t_psr, %g2, %t_psr
 
        b       ret_trap_unaligned_pc
         add    %sp, STACKFRAME_SZ, %o0
@@ -201,6 +204,8 @@ rtrap_patch5:       and     %g1, 0xff, %g1
 1:
        LOAD_PT_ALL(sp, t_psr, t_pc, t_npc, g1)
 2:
+       sethi   %hi(PSR_SYSCALL), %twin_tmp1
+       andn    %t_psr, %twin_tmp1, %t_psr
        wr      %t_psr, 0x0, %psr
        WRITE_PAUSE