Commit b8b4576e authored by Suraj Jitindar Singh's avatar Suraj Jitindar Singh Committed by David Gibson
Browse files

tcg/POWER9: NOOP the cp_abort instruction 



The cp_abort instruction is used to remove the state of an in progress
copy paste sequence. POWER9 compilers add this in various places, such
as context switches which causes illegal instruction signals since we
don't yet implement this instruction.

Given there is no implementation of the copy paste facility and that we
don't claim to support it, we can just noop this instruction.

Signed-off-by: default avatarSuraj Jitindar Singh <sjitindarsingh@gmail.com>
Signed-off-by: default avatarDavid Gibson <david@gibson.dropbear.id.au>
parent d801a61e

target/ppc/translate.c

+5 −0
Original line number Diff line number Diff line
@@ -6020,6 +6020,10 @@ GEN_TM_NOOP(tabortwci); 
GEN_TM_NOOP(tabortdc);

GEN_TM_NOOP(tabortdci);

GEN_TM_NOOP(tsr);

static inline void gen_cp_abort(DisasContext *ctx)

{

    // Do Nothing

}



static void gen_tcheck(DisasContext *ctx)

{
@@ -6170,6 +6174,7 @@ GEN_HANDLER2(andi_, "andi.", 0x1C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), 
GEN_HANDLER2(andis_, "andis.", 0x1D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),

GEN_HANDLER(cntlzw, 0x1F, 0x1A, 0x00, 0x00000000, PPC_INTEGER),

GEN_HANDLER_E(cnttzw, 0x1F, 0x1A, 0x10, 0x00000000, PPC_NONE, PPC2_ISA300),

GEN_HANDLER_E(cp_abort, 0x1F, 0x06, 0x1A, 0x03FFF801, PPC_NONE, PPC2_ISA300),

GEN_HANDLER(or, 0x1F, 0x1C, 0x0D, 0x00000000, PPC_INTEGER),

GEN_HANDLER(xor, 0x1F, 0x1C, 0x09, 0x00000000, PPC_INTEGER),

GEN_HANDLER(ori, 0x18, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),