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annotate packages/hal/i386/linux/current/src/entry.c @ 134:d2f49caf9e38 ecos-sw-2000-11-03

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Merge from eCos master repository on 2000-11-03-09:00:49-GMT
author jlarmour
date Fri, 03 Nov 2000 21:17:40 +0000
parents bf00f99aec69
children
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1 //==========================================================================
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2 //
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3 // entry.c
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4 //
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5 // Entry code for Linux synthetic target.
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6 //
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7 //==========================================================================
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8 //####COPYRIGHTBEGIN####
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9 //
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10 // -------------------------------------------
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11 // The contents of this file are subject to the Red Hat eCos Public License
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12 // Version 1.1 (the "License"); you may not use this file except in
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13 // compliance with the License. You may obtain a copy of the License at
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14 // http://www.redhat.com/
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15 //
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16 // Software distributed under the License is distributed on an "AS IS"
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17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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18 // License for the specific language governing rights and limitations under
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19 // the License.
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20 //
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21 // The Original Code is eCos - Embedded Configurable Operating System,
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22 // released September 30, 1998.
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23 //
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24 // The Initial Developer of the Original Code is Red Hat.
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25 // Portions created by Red Hat are
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26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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27 // All Rights Reserved.
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28 // -------------------------------------------
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29 //
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30 //####COPYRIGHTEND####
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31 //==========================================================================
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32 //#####DESCRIPTIONBEGIN####
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33 //
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34 // Author(s): proven
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35 // Contributors:proven, jskov, jlarmour
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36 // Date: 1999-01-06
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37 // Purpose: Entry point for Linux synthetic target.
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38 //
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39 //####DESCRIPTIONEND####
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40 //
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41 //=========================================================================
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42
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43 #include <pkgconf/system.h>
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44 #include <cyg/infra/cyg_type.h>
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45 #include <cyg/infra/cyg_ass.h>
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46 #include CYGHWR_MEMORY_LAYOUT_H
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48 externC void cyg_hal_isr_init( void );
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49 externC void cyg_hal_invoke_constructors( void );
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50 externC void cyg_start( void );
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51 externC void cyg_hal_hardware_init( void );
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52 externC void *cyg_hal_sys_brk(void *newbrk);
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54 void _linux_entry( void )
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55 {
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56 void *oldbrk=NULL;
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57 void *newbrk=(void *)(CYGMEM_REGION_ram + CYGMEM_REGION_ram_SIZE);
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58 // Should get argc argv
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59 cyg_hal_hardware_init();
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60 cyg_hal_isr_init();
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61 // unconditionally set memory regino to the size specified in the
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62 // memory layout
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63 oldbrk = cyg_hal_sys_brk(newbrk);
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64 // should check
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65 CYG_ASSERT( oldbrk>=newbrk, "brk() failed" );
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66 cyg_hal_invoke_constructors();
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67 cyg_start();
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68 }
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70 //-----------------------------------------------------------------------------
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71 // End of entry.c