Commit faa48d74 authored by Edgar E. Iglesias's avatar Edgar E. Iglesias
Browse files

target-microblaze: dec_barrel: Add BSEFI 



Add support for BSEFI.

Signed-off-by: default avatarEdgar E. Iglesias <edgar.iglesias@xilinx.com>
parent 5c8f44b7

target/microblaze/translate.c

+30 −12
Original line number Diff line number Diff line
@@ -660,7 +660,8 @@ static void dec_div(DisasContext *dc) 
static void dec_barrel(DisasContext *dc)

{

    TCGv t0;

    bool s, t;

    unsigned int imm_w, imm_s;

    bool s, t, e = false;



    if ((dc->tb_flags & MSR_EE_FLAG)

          && (dc->cpu->env.pvr.regs[2] & PVR2_ILL_OPCODE_EXC_MASK)
@@ -670,12 +671,28 @@ static void dec_barrel(DisasContext *dc) 
        return;

    }



    if (dc->type_b) {

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

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

    }

    s = extract32(dc->imm, 10, 1);

    t = extract32(dc->imm, 9, 1);

    imm_w = extract32(dc->imm, 6, 5);

    imm_s = extract32(dc->imm, 0, 5);



    LOG_DIS("bs%s%s r%d r%d r%d\n",

    LOG_DIS("bs%s%s%s r%d r%d r%d\n",

            e ? "e" : "",

            s ? "l" : "r", t ? "a" : "l", dc->rd, dc->ra, dc->rb);



    if (e) {

        if (imm_w + imm_s > 32 || imm_w == 0) {

            /* These inputs have an undefined behavior.  */

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

                          imm_w, imm_s);

        } else {

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

        }

    } else {

        t0 = tcg_temp_new();



        tcg_gen_mov_tl(t0, *(dec_alu_op_b(dc)));
@@ -692,6 +709,7 @@ static void dec_barrel(DisasContext *dc) 
        }

        tcg_temp_free(t0);

    }

}



static void dec_bit(DisasContext *dc)

{