1 /*
2 * Copyright (c) 2020-2021 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "riscv_hal.h"
17 #include "los_debug.h"
18 #include "soc.h"
19 #include "plic.h"
20
21 #ifdef __cplusplus
22 #if __cplusplus
23 extern "C" {
24 #endif
25 #endif
26
HalIrqDisable(UINT32 vector)27 VOID HalIrqDisable(UINT32 vector)
28 {
29 if (vector <= RISCV_SYS_MAX_IRQ) {
30 CLEAR_CSR(mie, 1 << vector);
31 } else {
32 PlicIrqDisable(vector);
33 }
34 }
35
HalIrqEnable(UINT32 vector)36 VOID HalIrqEnable(UINT32 vector)
37 {
38 if (vector <= RISCV_SYS_MAX_IRQ) {
39 SET_CSR(mie, 1 << vector);
40 } else {
41 PlicIrqEnable(vector);
42 }
43 }
44
HalSetLocalInterPri(UINT32 interPriNum, UINT16 prior)45 VOID HalSetLocalInterPri(UINT32 interPriNum, UINT16 prior)
46 {
47 PlicIrqSetPrio(interPriNum, prior);
48 }
49
HalBackTraceFpCheck(UINT32 value)50 BOOL HalBackTraceFpCheck(UINT32 value)
51 {
52 if (value >= (UINT32)(UINTPTR)(&__bss_end)) {
53 return TRUE;
54 }
55
56 if ((value >= (UINT32)(UINTPTR)(&__start_and_irq_stack_top)) && (value < (UINT32)(UINTPTR)(&__except_stack_top))) {
57 return TRUE;
58 }
59
60 return FALSE;
61 }
62
HalPlicInitnull63 VOID HalPlicInit(VOID)
64 {
65 PlicIrqInit();
66
67 HalIrqEnable(RISCV_MACH_EXT_IRQ);
68 }
69
70 #ifdef __cplusplus
71 #if __cplusplus
72 }
73 #endif
74 #endif
75