Example #1
0
void
part_execute_instructions (urj_chain_t *chain, int n, struct bfin_insn *insns)
{
    while (insns)
    {
        if (insns->type == BFIN_INSN_NORMAL)
            part_emuir_set (chain, n, insns->i, URJ_CHAIN_EXITMODE_IDLE);
        else /* insns->type == BFIN_INSN_SET_EMUDAT */
            part_emudat_set (chain, n, insns->i, URJ_CHAIN_EXITMODE_UPDATE);

        insns = insns->next;
    }

    return;
}
Example #2
0
File: bfin.c Project: bgelb/urjtag
void
part_mmr_write_clobber_r0 (urj_chain_t *chain, int n, int32_t offset, uint32_t data, int size)
{
    assert (size == 2 || size == 4);

    part_emudat_set (chain, n, data, URJ_CHAIN_EXITMODE_UPDATE);

    if (offset == 0)
    {
        part_scan_select (chain, n, DBGCTL_SCAN);
        part_dbgctl_bit_set_emuirlpsz_2 (chain, n);
        urj_tap_chain_shift_data_registers_mode (chain, 0, 1, URJ_CHAIN_EXITMODE_UPDATE);

        if (size == 2)
            part_emuir_set_2 (chain, n,
                              gen_move (REG_R0, REG_EMUDAT),
                              gen_store16 (REG_P0, REG_R0),
                              URJ_CHAIN_EXITMODE_IDLE);
        else
            part_emuir_set_2 (chain, n,
                              gen_move (REG_R0, REG_EMUDAT),
                              gen_store32 (REG_P0, REG_R0),
                              URJ_CHAIN_EXITMODE_IDLE);
    }
    else
    {
        part_emuir_set (chain, n, gen_move (REG_R0, REG_EMUDAT), URJ_CHAIN_EXITMODE_IDLE);
        if (size == 2)
            part_emuir_set (chain, n, gen_store16_offset (REG_P0, offset, REG_R0), URJ_CHAIN_EXITMODE_IDLE);
        else
            part_emuir_set (chain, n, gen_store32_offset (REG_P0, offset, REG_R0), URJ_CHAIN_EXITMODE_IDLE);
    }

    if (offset == 0)
    {
        part_scan_select (chain, n, DBGCTL_SCAN);
        part_dbgctl_bit_clear_emuirlpsz_2 (chain, n);
        urj_tap_chain_shift_data_registers_mode (chain, 0, 1, URJ_CHAIN_EXITMODE_UPDATE);
    }
}