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Commit | Line | Data |
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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 | #include <efi_loader.h> | |
11 | ||
12 | DECLARE_GLOBAL_DATA_PTR; | |
13 | ||
14 | int interrupt_init(void) | |
15 | { | |
16 | return 0; | |
17 | } | |
18 | ||
19 | void enable_interrupts(void) | |
20 | { | |
21 | return; | |
22 | } | |
23 | ||
24 | int disable_interrupts(void) | |
25 | { | |
26 | return 0; | |
27 | } | |
28 | ||
29 | void show_regs(struct pt_regs *regs) | |
30 | { | |
31 | int i; | |
32 | ||
33 | if (gd->flags & GD_FLG_RELOC) | |
34 | printf("elr: %016lx lr : %016lx (reloc)\n", | |
35 | regs->elr - gd->reloc_off, | |
36 | regs->regs[30] - gd->reloc_off); | |
37 | printf("elr: %016lx lr : %016lx\n", regs->elr, regs->regs[30]); | |
38 | ||
39 | for (i = 0; i < 29; i += 2) | |
40 | printf("x%-2d: %016lx x%-2d: %016lx\n", | |
41 | i, regs->regs[i], i+1, regs->regs[i+1]); | |
42 | printf("\n"); | |
43 | } | |
44 | ||
45 | /* | |
46 | * do_bad_sync handles the impossible case in the Synchronous Abort vector. | |
47 | */ | |
48 | void do_bad_sync(struct pt_regs *pt_regs, unsigned int esr) | |
49 | { | |
50 | efi_restore_gd(); | |
51 | printf("Bad mode in \"Synchronous Abort\" handler, esr 0x%08x\n", esr); | |
52 | show_regs(pt_regs); | |
53 | panic("Resetting CPU ...\n"); | |
54 | } | |
55 | ||
56 | /* | |
57 | * do_bad_irq handles the impossible case in the Irq vector. | |
58 | */ | |
59 | void do_bad_irq(struct pt_regs *pt_regs, unsigned int esr) | |
60 | { | |
61 | efi_restore_gd(); | |
62 | printf("Bad mode in \"Irq\" handler, esr 0x%08x\n", esr); | |
63 | show_regs(pt_regs); | |
64 | panic("Resetting CPU ...\n"); | |
65 | } | |
66 | ||
67 | /* | |
68 | * do_bad_fiq handles the impossible case in the Fiq vector. | |
69 | */ | |
70 | void do_bad_fiq(struct pt_regs *pt_regs, unsigned int esr) | |
71 | { | |
72 | efi_restore_gd(); | |
73 | printf("Bad mode in \"Fiq\" handler, esr 0x%08x\n", esr); | |
74 | show_regs(pt_regs); | |
75 | panic("Resetting CPU ...\n"); | |
76 | } | |
77 | ||
78 | /* | |
79 | * do_bad_error handles the impossible case in the Error vector. | |
80 | */ | |
81 | void do_bad_error(struct pt_regs *pt_regs, unsigned int esr) | |
82 | { | |
83 | efi_restore_gd(); | |
84 | printf("Bad mode in \"Error\" handler, esr 0x%08x\n", esr); | |
85 | show_regs(pt_regs); | |
86 | panic("Resetting CPU ...\n"); | |
87 | } | |
88 | ||
89 | /* | |
90 | * do_sync handles the Synchronous Abort exception. | |
91 | */ | |
92 | void do_sync(struct pt_regs *pt_regs, unsigned int esr) | |
93 | { | |
94 | efi_restore_gd(); | |
95 | printf("\"Synchronous Abort\" handler, esr 0x%08x\n", esr); | |
96 | show_regs(pt_regs); | |
97 | panic("Resetting CPU ...\n"); | |
98 | } | |
99 | ||
100 | /* | |
101 | * do_irq handles the Irq exception. | |
102 | */ | |
103 | void do_irq(struct pt_regs *pt_regs, unsigned int esr) | |
104 | { | |
105 | efi_restore_gd(); | |
106 | printf("\"Irq\" handler, esr 0x%08x\n", esr); | |
107 | show_regs(pt_regs); | |
108 | panic("Resetting CPU ...\n"); | |
109 | } | |
110 | ||
111 | /* | |
112 | * do_fiq handles the Fiq exception. | |
113 | */ | |
114 | void do_fiq(struct pt_regs *pt_regs, unsigned int esr) | |
115 | { | |
116 | efi_restore_gd(); | |
117 | printf("\"Fiq\" handler, esr 0x%08x\n", esr); | |
118 | show_regs(pt_regs); | |
119 | panic("Resetting CPU ...\n"); | |
120 | } | |
121 | ||
122 | /* | |
123 | * do_error handles the Error exception. | |
124 | * Errors are more likely to be processor specific, | |
125 | * it is defined with weak attribute and can be redefined | |
126 | * in processor specific code. | |
127 | */ | |
128 | void __weak do_error(struct pt_regs *pt_regs, unsigned int esr) | |
129 | { | |
130 | efi_restore_gd(); | |
131 | printf("\"Error\" handler, esr 0x%08x\n", esr); | |
132 | show_regs(pt_regs); | |
133 | panic("Resetting CPU ...\n"); | |
134 | } |