blob: d91c93aa870046b6e94a49f035c82f1e713ef430 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
/*
* Copyright (c) 2011-2012 Sebastian Huber. All rights reserved.
*
* embedded brains GmbH
* Obere Lagerstr. 30
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#include <rtems/score/armv7m.h>
#include <bsp.h>
#include <bsp/irq.h>
#include <bsp/irq-generic.h>
#include <bsp/linker-symbols.h>
#include <bsp/armv7m-irq.h>
#ifdef ARM_MULTILIB_ARCH_V7M
rtems_status_code bsp_interrupt_vector_enable(rtems_vector_number vector)
{
_ARMV7M_NVIC_Set_enable((int) vector);
return RTEMS_SUCCESSFUL;
}
rtems_status_code bsp_interrupt_vector_disable(rtems_vector_number vector)
{
_ARMV7M_NVIC_Clear_enable((int) vector);
return RTEMS_SUCCESSFUL;
}
rtems_status_code bsp_interrupt_facility_initialize(void)
{
int i;
ARMV7M_Exception_handler *vector_table =
(ARMV7M_Exception_handler *) bsp_vector_table_begin;
memcpy(
vector_table,
bsp_start_vector_table_begin,
(size_t) bsp_vector_table_size
);
for (i = BSP_INTERRUPT_VECTOR_MIN; i <= BSP_INTERRUPT_VECTOR_MAX; ++i) {
vector_table [ARMV7M_VECTOR_IRQ(i)] = _ARMV7M_NVIC_Interrupt_dispatch;
_ARMV7M_NVIC_Clear_enable(i);
_ARMV7M_NVIC_Clear_pending(i);
_ARMV7M_NVIC_Set_priority(i, BSP_ARMV7M_IRQ_PRIORITY_DEFAULT);
}
_ARMV7M_SCB->vtor = vector_table;
return RTEMS_SUCCESSFUL;
}
#endif /* ARM_MULTILIB_ARCH_V7M */
|