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annotate src/os/scall.c @ 115:4473e746fe5a

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Restructured the include directory somewhat
author Jonathan Pevarnek <pevarnj@gmail.com>
date Sat, 11 Jun 2011 16:40:48 -0400
parents d971d4288a5a
children 32560561ccea
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1 #include <os/scall.h>
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2 #include <os/svcNums.h>
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3 #include <os/fs.h>
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4 #include <os/svc.h>
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5 /*
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6 #include <stdio.h>
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7 #include <string.h>
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8 */
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9
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10 u64 svc_handler(u64 callCode, u64 a, u64 b, u64 c, u64 d)
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11 {
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12 Psw psw;
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13 u64 registers[16];
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14 savecontext(&psw, registers);
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15 switch(callCode) {
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16 case SVC_EXIT:
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17 setcontext(&shellPsw, shellRegisters);
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18 break;
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19 case SVC_PRINT: //print
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20 registers[2] = putline((char*)a, (u32)b);
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21 break;
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22 case SVC_READ:
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23 registers[2] = getline((char*)a, (u32)b);
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24 break;
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25 case SVC_FINFO:
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26 registers[2] = getFInfo(a, (void*) b);
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27 break;
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28 default:
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29 registers[2] = -1; //TODO HACK
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30 break;
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31 }
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32 setcontext(&psw, registers);
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33 return -1; //the code should never get here
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34 }