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/ IRIX Base Documentation 2002 November / SGI IRIX Base Documentation 2002 November.iso / usr / share / catman / p_man / catD / pio_bcopyout.z / pio_bcopyout
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Text File  |  2002-10-03  |  3.5 KB  |  67 lines
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  4. ppppiiiioooo____bbbbccccooooppppyyyyoooouuuutttt((((DDDD3333XXXX))))                                            ppppiiiioooo____bbbbccccooooppppyyyyoooouuuutttt((((DDDD3333XXXX))))
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  8. NNNNAAAAMMMMEEEE
  9.      _pppp_iiii_oooo______bbbb_cccc_oooo_pppp_yyyy_oooo_uuuu_tttt - copy data from kernel's virtual space to a bus (I/O)
  10.      address
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  12. SSSSYYYYNNNNOOOOPPPPSSSSIIIISSSS
  13.      _####_iiii_nnnn_cccc_llll_uuuu_dddd_eeee _<<<<_ssss_yyyy_ssss_////_tttt_yyyy_pppp_eeee_ssss_...._hhhh_>>>>
  14.      _####_iiii_nnnn_cccc_llll_uuuu_dddd_eeee _<<<<_ssss_yyyy_ssss_////_dddd_dddd_iiii_...._hhhh_>>>>
  15.      _####_iiii_nnnn_cccc_llll_uuuu_dddd_eeee _<<<<_ssss_yyyy_ssss_////_pppp_iiii_oooo_...._hhhh_>>>>
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  17.      _iiii_nnnn_tttt _pppp_iiii_oooo______bbbb_cccc_oooo_pppp_yyyy_oooo_uuuu_tttt _((((_pppp_iiii_oooo_mmmm_aaaa_pppp______tttt _****_p_i_o_m_a_p_,,,, _iiii_oooo_pppp_aaaa_dddd_dddd_rrrr______tttt _i_o_p_a_d_d_r_,,,, _vvvv_oooo_iiii_dddd _****_k_v_a_d_d_r_,,,,
  18.                    _iiii_nnnn_tttt _s_i_z_e_,,,, _iiii_nnnn_tttt _i_t_m_s_z_,,,, _iiii_nnnn_tttt _f_l_a_g_))))_;;;;
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  20.    AAAArrrrgggguuuummmmeeeennnnttttssss
  21.      _p_i_o_m_a_p
  22.           The PIO map returned from _pppp_iiii_oooo______mmmm_aaaa_pppp_aaaa_llll_llll_oooo_cccc(D3X).
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  24.      _i_o_p_a_d_d_r
  25.           The bus (I/O) address.
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  27.      _k_v_a_d_d_r
  28.           The kernel's virtual address.
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  30.      _s_i_z_e The byte count of the transfer.
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  32.      _i_t_m_s_z
  33.           The element size of each read or write on the bus.
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  35.      _f_l_a_g Currently not used and should be set to zero.
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  37. DDDDEEEESSSSCCCCRRRRIIIIPPPPTTTTIIIIOOOONNNN
  38.      _pppp_iiii_oooo______bbbb_cccc_oooo_pppp_yyyy_iiii_nnnn copies data from the kernel virtual address space to the bus
  39.      address space.
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  41.    RRRReeeettttuuuurrrrnnnn VVVVaaaalllluuuueeeessss
  42.      The number of bytes transferred.
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  44.    SSSSeeeeeeee AAAAllllssssoooo
  45.      _pppp_iiii_oooo______mmmm_aaaa_pppp_aaaa_llll_llll_oooo_cccc(D3X), _pppp_iiii_oooo______mmmm_aaaa_pppp_ffff_rrrr_eeee_eeee(D3X), _pppp_iiii_oooo______mmmm_aaaa_pppp_aaaa_dddd_dddd_rrrr(D3X), _pppp_iiii_oooo______bbbb_aaaa_dddd_aaaa_dddd_dddd_rrrr(D3X),
  46.      _pppp_iiii_oooo______wwww_bbbb_aaaa_dddd_aaaa_dddd_dddd_rrrr(D3X), _pppp_iiii_oooo______bbbb_cccc_oooo_pppp_yyyy_iiii_nnnn(D3X)
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  63.                                                                         PPPPaaaaggggeeee 1111
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