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annotate user/ipc.c3 @ 364:c49459768aaa

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Work on globals
author Windel Bouwman
date Wed, 19 Mar 2014 20:24:03 +0100
parents 084cccaa5deb
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2 module ipc;
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4 type struct {
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5 int sender;
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6 int cmd;
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7 int data1;
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8 int data2;
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9 int data3;
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10 int data4;
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11 } Msg;
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13 const int MSG_SEND=1;
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14 const int MSG_RECV=2;
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16 function int kernelTrap(int msgId, int a, int b)
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17 {
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18 // TODO: make this in assembler?
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19 }
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21 function void SendMessage(Msg *msg)
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22 {
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23 kernelTrap(MSG_SEND, 1, 0)
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24 }
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26 function void receive_message(Msg *msg)
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27 {
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28 kernelTrap(MSG_RECV, 2, 0);
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29 }
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