blob: c49c88de60816cb7681248293a859bc7709b809a (
plain)
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
|
/*
* Copyright (c) 2016 Jean-Paul Etienne <fractalclone@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @file
* @brief pulpino interrupt management code
*/
#include <irq.h>
#include <soc.h>
void _arch_irq_enable(unsigned int irq)
{
int key;
key = irq_lock();
/*
* enable both IRQ and Event
* Event will allow system to wakeup upon an interrupt,
* if CPU was set to sleep
*/
PULP_IER |= (1 << irq);
PULP_EER |= (1 << irq);
irq_unlock(key);
};
void _arch_irq_disable(unsigned int irq)
{
int key;
key = irq_lock();
PULP_IER &= ~(1 << irq);
PULP_EER &= ~(1 << irq);
irq_unlock(key);
};
int _arch_irq_is_enabled(unsigned int irq)
{
return !!(PULP_IER & (1 << irq));
}
#if defined(CONFIG_RISCV_SOC_INTERRUPT_INIT)
void soc_interrupt_init(void)
{
/* ensure that all interrupts are disabled */
(void)irq_lock();
PULP_IER = 0;
PULP_EER = 0;
}
#endif
|
