]>
Commit | Line | Data |
---|---|---|
0ae76531 DF |
1 | /* |
2 | * (C) Copyright 2013 | |
3 | * David Feng <fenghua@phytium.com.cn> | |
4 | * | |
5 | * SPDX-License-Identifier: GPL-2.0+ | |
6 | */ | |
7 | ||
8 | #include <common.h> | |
9 | #include <linux/compiler.h> | |
10 | ||
11 | ||
12 | int interrupt_init(void) | |
13 | { | |
14 | return 0; | |
15 | } | |
16 | ||
17 | void enable_interrupts(void) | |
18 | { | |
19 | return; | |
20 | } | |
21 | ||
22 | int disable_interrupts(void) | |
23 | { | |
24 | return 0; | |
25 | } | |
26 | ||
27 | void show_regs(struct pt_regs *regs) | |
28 | { | |
29 | int i; | |
30 | ||
31 | printf("ELR: %lx\n", regs->elr); | |
32 | printf("LR: %lx\n", regs->regs[30]); | |
33 | for (i = 0; i < 29; i += 2) | |
34 | printf("x%-2d: %016lx x%-2d: %016lx\n", | |
35 | i, regs->regs[i], i+1, regs->regs[i+1]); | |
36 | printf("\n"); | |
37 | } | |
38 | ||
39 | /* | |
40 | * do_bad_sync handles the impossible case in the Synchronous Abort vector. | |
41 | */ | |
42 | void do_bad_sync(struct pt_regs *pt_regs, unsigned int esr) | |
43 | { | |
44 | printf("Bad mode in \"Synchronous Abort\" handler, esr 0x%08x\n", esr); | |
45 | show_regs(pt_regs); | |
46 | panic("Resetting CPU ...\n"); | |
47 | } | |
48 | ||
49 | /* | |
50 | * do_bad_irq handles the impossible case in the Irq vector. | |
51 | */ | |
52 | void do_bad_irq(struct pt_regs *pt_regs, unsigned int esr) | |
53 | { | |
54 | printf("Bad mode in \"Irq\" handler, esr 0x%08x\n", esr); | |
55 | show_regs(pt_regs); | |
56 | panic("Resetting CPU ...\n"); | |
57 | } | |
58 | ||
59 | /* | |
60 | * do_bad_fiq handles the impossible case in the Fiq vector. | |
61 | */ | |
62 | void do_bad_fiq(struct pt_regs *pt_regs, unsigned int esr) | |
63 | { | |
64 | printf("Bad mode in \"Fiq\" handler, esr 0x%08x\n", esr); | |
65 | show_regs(pt_regs); | |
66 | panic("Resetting CPU ...\n"); | |
67 | } | |
68 | ||
69 | /* | |
70 | * do_bad_error handles the impossible case in the Error vector. | |
71 | */ | |
72 | void do_bad_error(struct pt_regs *pt_regs, unsigned int esr) | |
73 | { | |
74 | printf("Bad mode in \"Error\" handler, esr 0x%08x\n", esr); | |
75 | show_regs(pt_regs); | |
76 | panic("Resetting CPU ...\n"); | |
77 | } | |
78 | ||
79 | /* | |
80 | * do_sync handles the Synchronous Abort exception. | |
81 | */ | |
82 | void do_sync(struct pt_regs *pt_regs, unsigned int esr) | |
83 | { | |
84 | printf("\"Synchronous Abort\" handler, esr 0x%08x\n", esr); | |
85 | show_regs(pt_regs); | |
86 | panic("Resetting CPU ...\n"); | |
87 | } | |
88 | ||
89 | /* | |
90 | * do_irq handles the Irq exception. | |
91 | */ | |
92 | void do_irq(struct pt_regs *pt_regs, unsigned int esr) | |
93 | { | |
94 | printf("\"Irq\" handler, esr 0x%08x\n", esr); | |
95 | show_regs(pt_regs); | |
96 | panic("Resetting CPU ...\n"); | |
97 | } | |
98 | ||
99 | /* | |
100 | * do_fiq handles the Fiq exception. | |
101 | */ | |
102 | void do_fiq(struct pt_regs *pt_regs, unsigned int esr) | |
103 | { | |
104 | printf("\"Fiq\" handler, esr 0x%08x\n", esr); | |
105 | show_regs(pt_regs); | |
106 | panic("Resetting CPU ...\n"); | |
107 | } | |
108 | ||
109 | /* | |
110 | * do_error handles the Error exception. | |
111 | * Errors are more likely to be processor specific, | |
112 | * it is defined with weak attribute and can be redefined | |
113 | * in processor specific code. | |
114 | */ | |
115 | void __weak do_error(struct pt_regs *pt_regs, unsigned int esr) | |
116 | { | |
117 | printf("\"Error\" handler, esr 0x%08x\n", esr); | |
118 | show_regs(pt_regs); | |
119 | panic("Resetting CPU ...\n"); | |
120 | } |