Commit 9f6113c7 authored by Edgar E. Iglesias's avatar Edgar E. Iglesias
Browse files

microblaze: Break the tb at memory barriers 



Signed-off-by: default avatarEdgar E. Iglesias <edgar.iglesias@gmail.com>
parent 5818dee5

target-microblaze/translate.c

+11 −1
Original line number Diff line number Diff line
@@ -1249,12 +1249,22 @@ static void dec_bcc(DisasContext *dc) 


static void dec_br(DisasContext *dc)

{

    unsigned int dslot, link, abs;

    unsigned int dslot, link, abs, mbar;

    int mem_index = cpu_mmu_index(dc->env);



    dslot = dc->ir & (1 << 20);

    abs = dc->ir & (1 << 19);

    link = dc->ir & (1 << 18);



    /* Memory barrier.  */

    mbar = (dc->ir >> 16) & 31;

    if (mbar == 2 && dc->imm == 4) {

        LOG_DIS("mbar %d\n", dc->rd);

        /* Break the TB.  */

        dc->cpustate_changed = 1;

        return;

    }



    LOG_DIS("br%s%s%s%s imm=%x\n",

             abs ? "a" : "", link ? "l" : "",

             dc->type_b ? "i" : "", dslot ? "d" : "",