When started in qemu, we know that qemu will drop all local TLB entries
on any pxtlbe instruction. So, if we detect qemu, replace the whole
flush_tlb_all_local function by one pdtlbe instruction.
Signed-off-by: Helge Deller <deller@gmx.de>
2: bv %r0(%r2)
nop
+
+ /*
+ * When running in qemu, drop whole flush_tlb_all_local function and
+ * replace by one pdtlbe instruction, for which QEMU will drop all
+ * local TLB entries.
+ */
+3: pdtlbe %r0(%sr1,%r0)
+ bv,n %r0(%r2)
+ ALTERNATIVE_CODE(flush_tlb_all_local, 2, ALT_COND_RUN_ON_QEMU, 3b)
ENDPROC_CFI(flush_tlb_all_local)
.import cache_info,data