Commit a0ae05aa authored by Thiemo Seufer's avatar Thiemo Seufer
Browse files

PPC32 Trace Exception and Trap instruction, by Jason Wessel. 


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2291 c046a42c-6fe2-441c-8c8c-71466251a162
parent 455204eb

target-ppc/helper.c

+0 −2
Original line number Diff line number Diff line
@@ -1113,8 +1113,6 @@ void do_interrupt (CPUState *env) 
        }

        goto store_next;

    case EXCP_TRACE: /* 0x0D00 */

        /* XXX: TODO */

        cpu_abort(env, "Trace exception is not implemented yet !\n");

        goto store_next;

    case EXCP_PERF: /* 0x0F00 */

        /* XXX: TODO */

target-ppc/translate.c

+2 −0
Original line number Diff line number Diff line
@@ -1956,6 +1956,8 @@ GEN_HANDLER(tw, 0x1F, 0x04, 0xFF, 0x00000001, PPC_FLOW) 
{

    gen_op_load_gpr_T0(rA(ctx->opcode));

    gen_op_load_gpr_T1(rB(ctx->opcode));

    /* Update the nip since this might generate a trap exception */

    gen_op_update_nip(ctx->nip);

    gen_op_tw(TO(ctx->opcode));

}