source: rtems/c/src/lib/libbsp/arm/gp32/startup/bspreset.c @ 0afac6a

4.115
Last change on this file since 0afac6a was 10eac0e, checked in by Joel Sherrill <joel.sherrill@…>, on Oct 11, 2014 at 11:45:47 PM

arm/gp32/startup/bspreset.c: Include <bsp/bootcard.h>

  • Property mode set to 100644
File size: 1002 bytes
Line 
1/*
2 *  The license and distribution terms for this file may be
3 *  found in the file LICENSE in this distribution or at
4 *  http://www.rtems.org/license/LICENSE.
5 */
6
7#include <bsp.h>
8#include <bsp/bootcard.h>
9
10void bsp_reset(void)
11{
12  rtems_interrupt_level level;
13
14  (void) level;
15  rtems_interrupt_disable(level);
16  /* disable mmu, invalide i-cache and call swi #4 */
17  __asm__ volatile(""
18    "mrc    p15,0,r0,c1,c0,0  \n"
19    "bic    r0,r0,#1          \n"
20    "mcr    p15,0,r0,c1,c0,0  \n"
21    "nop                      \n"
22    "nop                      \n"
23    "nop                      \n"
24    "nop                      \n"
25    "nop                      \n"
26    "mov    r0,#0             \n"
27    "MCR    p15,0,r0,c7,c5,0  \n"
28    "nop                      \n"
29    "nop                      \n"
30    "nop                      \n"
31    "nop                      \n"
32    "nop                      \n"
33    "swi    #4                "
34    :
35    :
36    : "r0"
37  );
38  /* we should be back in bios now */
39}
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