decode: Handle icbi

We will need a proper handler for icbi, but in the meantime treat it
as a nop.

Signed-off-by: Anton Blanchard <anton@linux.ibm.com>

diff --git a/decode1.vhdl b/decode1.vhdl
index c94e3e30538f32dd1e24adee5f9011f569a8b5a6..9a0082281dd52d903ea3079684abbb411bc1825f 100644 (file)
--- a/decode1.vhdl
+++ b/decode1.vhdl
@@ -168,7 +168,7 @@ architecture behaviour of decode1 is
                2#1110011010#  =>       (ALU,    OP_EXTSH,     NONE,       NONE,        RS,   RA,   '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC,   '0', '1'), -- extsh
                2#1111011010#  =>       (ALU,    OP_EXTSW,     NONE,       NONE,        RS,   RA,   '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC,   '0', '1'), -- extsw
                -- 2#110111101-# extswsli
-               -- 2#1111010110# icbi
+               2#1111010110#  =>       (ALU,    OP_NOP,       NONE,       NONE,        NONE, NONE, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- icbi
                2#0000010110#  =>       (ALU,    OP_NOP,       NONE,       NONE,        NONE, NONE, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- icbt
                2#0000001111#  =>       (ALU,    OP_ISEL,      RA_OR_ZERO, RB,          NONE, RT,   '1', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- isel
                2#0000101111#  =>       (ALU,    OP_ISEL,      RA_OR_ZERO, RB,          NONE, RT,   '1', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- isel