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Annotation of coherent/f/usr/man/KERNEL/xpcopy, revision 1.1

1.1     ! root        1: xxppccooppyy() -- Memory-Manipulation Routine
        !             2: 
        !             3: #iinncclluuddee <ssyyss/sseegg.hh>
        !             4: xxppccooppyy(_s_r_c, _d_e_s_t, _n_u_m__b_y_t_e_s, _f_l_a_g)
        !             5: vvaaddddrr_tt _s_r_c;
        !             6: ppaaddddrr_tt _d_e_s_t;
        !             7: uunnssiiggnneedd iinntt _n_u_m__b_y_t_e_s;
        !             8: iinntt _f_l_a_g;
        !             9: 
        !            10: Kernel function xxppccooppyy() can be invoked in one of two forms.
        !            11: 
        !            12: The first  form copies  _n_u_m__b_y_t_e_s from kernel  data virtual address  _s_r_c to
        !            13: physical address  _d_e_s_t. This form  is selected by setting  argument _f_l_a_g to
        !            14: manifest constant SSEEGG_338866_KKDD.
        !            15: 
        !            16: The second  form copies _n_u_m__b_y_t_e_s  from kernel data virtual  address _s_r_c to
        !            17: system global address _d_e_s_t. This  form is selected by setting argument _f_l_a_g
        !            18: to manifest constant SSEEGG_338866_KKDD|SSEEGG_VVIIRRTT.
        !            19: 
        !            20: _N_o_t_e _w_e_l_l _t_h_a_t _n_u_m__b_y_t_e_s _m_u_s_t _b_e _l_e_s_s _t_h_a_n _o_r _e_q_u_a_l _t_o _4_K (_4_0_9_6) _b_y_t_e_s.
        !            21: 
        !            22: No alignment restrictions are placed on _s_r_c or _d_e_s_t.
        !            23: 
        !            24: _S_e_e _A_l_s_o
        !            25: mmeemmoorryy-mmaanniippuullaattiioonn rroouuttiinneess

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