4.115
Last change
on this file since f4adc0d1 was
f4adc0d1,
checked in by Joel Sherrill <joel.sherrill@…>, on 07/13/11 at 18:35:43
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2011-07-13 Joel Sherrill <joel.sherrilL@…>
PR 1824/cpukit
- startup/bspclean.c: Return exit/shutdown status back to boot_card().
boot_card() propagates this to bsp_cleanup() and returns it to the
assembly that started the application. bsp_cleanup() prototype
changed.
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-
Property mode set to
100644
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File size:
1.5 KB
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1 | /* |
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2 | * This routine returns control to 162Bug. |
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3 | * |
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4 | * COPYRIGHT (c) 1989-2010. |
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5 | * On-Line Applications Research Corporation (OAR). |
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6 | * |
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7 | * The license and distribution terms for this file may be |
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8 | * found in the file LICENSE in this distribution or at |
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9 | * http://www.rtems.com/license/LICENSE. |
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10 | * |
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11 | * Modifications of respective RTEMS file: COPYRIGHT (c) 1994. |
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12 | * EISCAT Scientific Association. M.Savitski |
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13 | * |
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14 | * This material is a part of the MVME162 Board Support Package |
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15 | * for the RTEMS executive. Its licensing policies are those of the |
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16 | * RTEMS above. |
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17 | * |
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18 | * $Id$ |
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19 | */ |
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20 | |
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21 | #include <rtems.h> |
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22 | #include <bsp.h> |
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23 | #include <rtems/zilog/z8036.h> |
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24 | #include <page_table.h> |
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25 | |
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26 | extern void start( void ); |
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27 | |
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28 | void bsp_return_to_monitor_trap(void) |
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29 | { |
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30 | page_table_teardown(); |
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31 | |
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32 | lcsr->intr_ena = 0; /* disable interrupts */ |
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33 | #if defined(mvme162lx) |
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34 | m68k_set_vbr(0x00000000); /* restore 162Bug vectors */ |
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35 | #else |
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36 | m68k_set_vbr(0xFFE00000); /* restore 162Bug vectors */ |
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37 | #endif |
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38 | |
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39 | __asm__ volatile( "trap #15" ); /* trap to 162Bug */ |
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40 | __asm__ volatile( ".short 0x63" ); /* return to 162Bug (.RETURN) */ |
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41 | /* restart program */ |
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42 | /* |
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43 | * This does not work on the 162.... |
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44 | */ |
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45 | #if 0 |
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46 | { register volatile void *start_addr; |
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47 | |
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48 | start_addr = start; |
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49 | |
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50 | __asm__ volatile ( "jmp %0@" : "=a" (start_addr) : "0" (start_addr) ); |
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51 | } |
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52 | #endif |
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53 | } |
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54 | |
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55 | void bsp_cleanup( |
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56 | uint32_t status |
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57 | ) |
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58 | { |
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59 | M68Kvec[ 45 ] = bsp_return_to_monitor_trap; /* install handler */ |
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60 | __asm__ volatile( "trap #13" ); /* insures SUPV mode */ |
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61 | } |
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