Commit a1b48e3a authored by Edgar E. Iglesias's avatar Edgar E. Iglesias
Browse files

target-microblaze: Implement MFSE EAR 



Implement MFSE EAR to enable access to the upper part of EAR.

Reviewed-by: default avatarRichard Henderson <richard.henderson@linaro.org>
Signed-off-by: default avatarEdgar E. Iglesias <edgar.iglesias@xilinx.com>
parent d248e1be

target/microblaze/translate.c

+8 −1
Original line number Diff line number Diff line
@@ -459,7 +459,7 @@ static void dec_msr(DisasContext *dc) 
    CPUState *cs = CPU(dc->cpu);

    TCGv_i32 t0, t1;

    unsigned int sr, rn;

    bool to, clrset;

    bool to, clrset, extended;



    sr = extract32(dc->imm, 0, 14);

    to = extract32(dc->imm, 14, 1);
@@ -467,6 +467,9 @@ static void dec_msr(DisasContext *dc) 
    dc->type_b = 1;

    if (to) {

        dc->cpustate_changed = 1;

        extended = extract32(dc->imm, 24, 1);

    } else {

        extended = extract32(dc->imm, 19, 1);

    }



    /* msrclr and msrset.  */
@@ -559,6 +562,10 @@ static void dec_msr(DisasContext *dc) 
                msr_read(dc, cpu_R[dc->rd]);

                break;

            case SR_EAR:

                if (extended) {

                    tcg_gen_extrh_i64_i32(cpu_R[dc->rd], cpu_SR[sr]);

                    break;

                }

            case SR_ESR:

            case SR_FSR:

            case SR_BTR: