5
Last change
on this file since 9964895 was
9964895,
checked in by Sebastian Huber <sebastian.huber@…>, on 04/20/18 at 08:35:35
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bsps: Move startup files to bsps
Adjust build support files to new directory layout.
This patch is a part of the BSP source reorganization.
Update #3285.
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-
Property mode set to
100644
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File size:
1.4 KB
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Rev | Line | |
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[57bcaa29] | 1 | /* |
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| 2 | * Copyright (c) 2002 by Jay Monkman <jtm@smoothsmoothie.com> |
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| 3 | * |
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| 4 | * The license and distribution terms for this file may be |
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| 5 | * found in the file LICENSE in this distribution or at |
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[c499856] | 6 | * http://www.rtems.org/license/LICENSE. |
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[57bcaa29] | 7 | */ |
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| 8 | |
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| 9 | #include <bsp.h> |
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[d3c8245f] | 10 | #include <bsp/bootcard.h> |
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[57bcaa29] | 11 | |
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| 12 | void bsp_reset(void) |
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| 13 | { |
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| 14 | #if ON_SKYEYE == 1 |
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| 15 | #define SKYEYE_MAGIC_ADDRESS (*(volatile unsigned int *)(0xb0000000)) |
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| 16 | |
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| 17 | SKYEYE_MAGIC_ADDRESS = 0xff; |
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| 18 | #else |
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[3f5e0961] | 19 | /* TODO: This code was initially copied from the gp32 BSP. That BSP has |
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| 20 | * been obsoleted and removed but this code may still benefit from being |
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| 21 | * in a shared place. |
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| 22 | */ |
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[57bcaa29] | 23 | rtems_interrupt_level level; |
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[08bcf01] | 24 | |
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| 25 | (void) level; |
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[57bcaa29] | 26 | rtems_interrupt_disable(level); |
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| 27 | /* disable mmu, invalide i-cache and call swi #4 */ |
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[d390156] | 28 | __asm__ volatile("" |
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[57bcaa29] | 29 | "mrc p15,0,r0,c1,c0,0 \n" |
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| 30 | "bic r0,r0,#1 \n" |
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| 31 | "mcr p15,0,r0,c1,c0,0 \n" |
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| 32 | "nop \n" |
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| 33 | "nop \n" |
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| 34 | "nop \n" |
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| 35 | "nop \n" |
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| 36 | "nop \n" |
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| 37 | "mov r0,#0 \n" |
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| 38 | "MCR p15,0,r0,c7,c5,0 \n" |
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| 39 | "nop \n" |
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| 40 | "nop \n" |
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| 41 | "nop \n" |
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| 42 | "nop \n" |
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| 43 | "nop \n" |
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| 44 | "swi #4 " |
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| 45 | : |
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| 46 | : |
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| 47 | : "r0" |
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| 48 | ); |
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| 49 | /* we should be back in bios now */ |
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| 50 | #endif |
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| 51 | } |
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