Commit d09b2585 authored by Edgar E. Iglesias's avatar Edgar E. Iglesias
Browse files

target-microblaze: dec_barrel: Add BSIFI 



Add support for BSIFI.

Reviewed-by: default avatarRichard Henderson <rth@twiddle.net>
Signed-off-by: default avatarEdgar E. Iglesias <edgar.iglesias@xilinx.com>
parent faa48d74

target/microblaze/translate.c

+13 −1
Original line number Diff line number Diff line
@@ -661,7 +661,7 @@ static void dec_barrel(DisasContext *dc) 
{

    TCGv t0;

    unsigned int imm_w, imm_s;

    bool s, t, e = false;

    bool s, t, e = false, i = false;



    if ((dc->tb_flags & MSR_EE_FLAG)

          && (dc->cpu->env.pvr.regs[2] & PVR2_ILL_OPCODE_EXC_MASK)
@@ -673,6 +673,7 @@ static void dec_barrel(DisasContext *dc) 


    if (dc->type_b) {

        /* Insert and extract are only available in immediate mode.  */

        i = extract32(dc->imm, 15, 1);

        e = extract32(dc->imm, 14, 1);

    }

    s = extract32(dc->imm, 10, 1);
@@ -692,6 +693,17 @@ static void dec_barrel(DisasContext *dc) 
        } else {

            tcg_gen_extract_i32(cpu_R[dc->rd], cpu_R[dc->ra], imm_s, imm_w);

        }

    } else if (i) {

        int width = imm_w - imm_s + 1;



        if (imm_w < imm_s) {

            /* These inputs have an undefined behavior.  */

            qemu_log_mask(LOG_GUEST_ERROR, "bsifi: Bad input w=%d s=%d\n",

                          imm_w, imm_s);

        } else {

            tcg_gen_deposit_i32(cpu_R[dc->rd], cpu_R[dc->rd], cpu_R[dc->ra],

                                imm_s, width);

        }

    } else {

        t0 = tcg_temp_new();