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30 lines
1.7 KiB
Plaintext
30 lines
1.7 KiB
Plaintext
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# The OS/K Team licenses this file to you under the MIT license.
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# See the LICENSE file in the project root for more information.
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CPU device function slots:
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slot ax0 ax1 ax2 thr name desc
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0-15 - - - - (reserved) (reserved)
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16 - - - - getmaxidx rax = maximal index for a register frame
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17 - - - - getrfusage rax = number of register frames active
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18 - - - - getcuridx rax = index of the current register frame
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19 i - - - isactive rax = is register frame #ax0 active?
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20 i - - y activate activates register frame #ax0
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21 i - - y deactivate deactivates register frame #ax0 (losing all its contents!)
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22 i i - y copyframe copy contents of frame #ax1 into (active) frame #ax0
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23 i i - y moveframe move frame #ax1 to (inactive) frame index #ax0
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24-31 - - - - (reserved) (reserved)
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32 i - - - loadargs load registers ax0-ax7 from frame #ax0
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33 i r - - loadreg rax = register #ax1 from frame #ax0
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34-47 - - - - (reserved) (reserved)
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48 i r i y storereg store ax2 into register #ax1 from frame #ax0
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49-63 - - - - (reserved) (reserved)
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64 i i - y idtadd mark interrupt #ax0 as handled by register frame #ax1
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65 i - - y idtdel mark interrupt #ax0 as unhandled
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66 i - - - idtquery rax = interrupt #ax0 handled? rdx = index of handling frame
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Arguments:
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i immediate
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r register index (0=inv, 1=rip, etc...)
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