MN10300: Create general kernel debugger cache flushing

Create general kernel debugger cache flushing for MN10300 and get rid of the
old stuff that gdbstub was using.

Signed-off-by: David Howells <dhowells@redhat.com>

1 files changed, 1 insertions, 30 deletions

diff --git a/arch/mn10300/kernel/entry.S b/arch/mn10300/kernel/entry.S
index f00b9bafcd3e..8e79a04f1cb0 100644
--- a/arch/mn10300/kernel/entry.S
+++ b/arch/mn10300/kernel/entry.S
@@ -306,36 +306,7 @@ ENTRY(nmi_handler)
         movbu   d0,(GxICR(GDB_NMI_IPI))
         movhu   (GxICR(GDB_NMI_IPI)),d0
         and     ~EPSW_NMID,epsw         # enable NMI
-#ifdef CONFIG_MN10300_CACHE_ENABLED
-        mov     (gdbstub_nmi_opr_type),d0
-        cmp     GDBSTUB_NMI_CACHE_PURGE,d0
-        bne     4f                      # if not gdb cache purge, jump
-
-        # gdb cache purge nmi ipi
-        add     -20,sp
-        mov     d1,(4,sp)
-        mov     a0,(8,sp)
-        mov     a1,(12,sp)
-        mov     mdr,d0
-        mov     d0,(16,sp)
-        call    gdbstub_local_purge_cache[],0
-        mov     0x1,d0
-        mov     (CPUID),d1
-        asl     d1,d0
-        mov     gdbstub_nmi_cpumask,a0
-        bclr    d0,(a0)
-        mov     (4,sp),d1
-        mov     (8,sp),a0
-        mov     (12,sp),a1
-        mov     (16,sp),d0
-        mov     d0,mdr
-        add     20,sp
-        mov     (sp),d0
-        add     4,sp
-        rti
-4:
-#endif /* CONFIG_MN10300_CACHE_ENABLED */
-        # gdb wait nmi ipi
+
         mov     (sp),d0
         SAVE_ALL
         call    gdbstub_nmi_wait[],0