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1 | /* |
1 | /* |
2 | * Copyright (C) 2001-2004 Jakub Jermar |
2 | * Copyright (C) 2001-2004 Jakub Jermar |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | #include <arch/interrupt.h> |
29 | #include <arch/interrupt.h> |
30 | #include <print.h> |
30 | #include <print.h> |
31 | #include <debug.h> |
31 | #include <debug.h> |
32 | #include <panic.h> |
32 | #include <panic.h> |
33 | #include <arch/i8259.h> |
33 | #include <arch/i8259.h> |
34 | #include <func.h> |
34 | #include <func.h> |
35 | #include <cpu.h> |
35 | #include <cpu.h> |
36 | #include <arch/asm.h> |
36 | #include <arch/asm.h> |
37 | #include <mm/tlb.h> |
37 | #include <mm/tlb.h> |
38 | #include <mm/as.h> |
38 | #include <mm/as.h> |
39 | #include <arch.h> |
39 | #include <arch.h> |
40 | #include <symtab.h> |
40 | #include <symtab.h> |
41 | #include <arch/asm.h> |
41 | #include <arch/asm.h> |
42 | #include <proc/scheduler.h> |
42 | #include <proc/scheduler.h> |
43 | #include <proc/thread.h> |
43 | #include <proc/thread.h> |
44 | 44 | ||
45 | void print_info_errcode(int n, istate_t *istate) |
45 | void print_info_errcode(int n, istate_t *istate) |
46 | { |
46 | { |
47 | char *symbol; |
47 | char *symbol; |
48 | __u64 *x = &istate->stack[0]; |
48 | /* __u64 *x = &istate->stack[0]; */ |
49 | 49 | ||
50 | if (!(symbol=get_symtab_entry(istate->rip))) |
50 | if (!(symbol=get_symtab_entry(istate->rip))) |
51 | symbol = ""; |
51 | symbol = ""; |
52 | 52 | ||
53 | printf("-----EXCEPTION(%d) OCCURED----- ( %s )\n",n, __FUNCTION__); |
53 | printf("-----EXCEPTION(%d) OCCURED----- ( %s )\n",n, __FUNCTION__); |
54 | printf("%%rip: %Q (%s)\n",istate->rip, symbol); |
54 | printf("%%rip: %Q (%s)\n",istate->rip, symbol); |
55 | printf("ERROR_WORD=%Q\n", istate->error_word); |
55 | printf("ERROR_WORD=%Q\n", istate->error_word); |
56 | printf("%%rcs=%Q, flags=%Q, %%cr0=%Q\n", istate->cs, istate->rflags,read_cr0()); |
56 | printf("%%rcs=%Q, flags=%Q, %%cr0=%Q\n", istate->cs, istate->rflags,read_cr0()); |
57 | printf("%%rax=%Q, %%rbx=%Q, %%rcx=%Q\n",istate->rax,istate->rbx,istate->rcx); |
57 | printf("%%rax=%Q, %%rbx=%Q, %%rcx=%Q\n",istate->rax,istate->rbx,istate->rcx); |
58 | printf("%%rdx=%Q, %%rsi=%Q, %%rdi=%Q\n",istate->rdx,istate->rsi,istate->rdi); |
58 | printf("%%rdx=%Q, %%rsi=%Q, %%rdi=%Q\n",istate->rdx,istate->rsi,istate->rdi); |
59 | printf("%%r8 =%Q, %%r9 =%Q, %%r10=%Q\n",istate->r8,istate->r9,istate->r10); |
59 | printf("%%r8 =%Q, %%r9 =%Q, %%r10=%Q\n",istate->r8,istate->r9,istate->r10); |
60 | printf("%%r11=%Q, %%r12=%Q, %%r13=%Q\n",istate->r11,istate->r12,istate->r13); |
60 | printf("%%r11=%Q, %%r12=%Q, %%r13=%Q\n",istate->r11,istate->r12,istate->r13); |
61 | printf("%%r14=%Q, %%r15=%Q, %%rsp=%Q\n",istate->r14,istate->r15,&istate->stack[0]); |
61 | printf("%%r14=%Q, %%r15=%Q, %%rsp=%Q\n",istate->r14,istate->r15,&istate->stack[0]); |
62 | printf("%%rbp=%Q\n",istate->rbp); |
62 | printf("%%rbp=%Q\n",istate->rbp); |
- | 63 | /* |
|
63 | printf("stack: %Q, %Q, %Q\n", x[5], x[6], x[7]); |
64 | printf("stack: %Q, %Q, %Q\n", x[5], x[6], x[7]); |
64 | printf(" %Q, %Q, %Q\n", x[8], x[9], x[10]); |
65 | printf(" %Q, %Q, %Q\n", x[8], x[9], x[10]); |
65 | printf(" %Q, %Q, %Q\n", x[11], x[12], x[13]); |
66 | printf(" %Q, %Q, %Q\n", x[11], x[12], x[13]); |
66 | printf(" %Q, %Q, %Q\n", x[14], x[15], x[16]); |
67 | printf(" %Q, %Q, %Q\n", x[14], x[15], x[16]); |
- | 68 | */ |
|
67 | } |
69 | } |
68 | 70 | ||
69 | /* |
71 | /* |
70 | * Interrupt and exception dispatching. |
72 | * Interrupt and exception dispatching. |
71 | */ |
73 | */ |
72 | 74 | ||
73 | void (* disable_irqs_function)(__u16 irqmask) = NULL; |
75 | void (* disable_irqs_function)(__u16 irqmask) = NULL; |
74 | void (* enable_irqs_function)(__u16 irqmask) = NULL; |
76 | void (* enable_irqs_function)(__u16 irqmask) = NULL; |
75 | void (* eoi_function)(void) = NULL; |
77 | void (* eoi_function)(void) = NULL; |
76 | 78 | ||
77 | void null_interrupt(int n, istate_t *istate) |
79 | void null_interrupt(int n, istate_t *istate) |
78 | { |
80 | { |
79 | print_info_errcode(n, istate); |
81 | print_info_errcode(n, istate); |
80 | panic("unserviced interrupt\n"); |
82 | panic("unserviced interrupt\n"); |
81 | } |
83 | } |
82 | 84 | ||
83 | void gp_fault(int n, istate_t *istate) |
85 | void gp_fault(int n, istate_t *istate) |
84 | { |
86 | { |
85 | print_info_errcode(n, istate); |
87 | print_info_errcode(n, istate); |
86 | panic("general protection fault\n"); |
88 | panic("general protection fault\n"); |
87 | } |
89 | } |
88 | 90 | ||
89 | void ss_fault(int n, istate_t *istate) |
91 | void ss_fault(int n, istate_t *istate) |
90 | { |
92 | { |
91 | print_info_errcode(n, istate); |
93 | print_info_errcode(n, istate); |
92 | panic("stack fault\n"); |
94 | panic("stack fault\n"); |
93 | } |
95 | } |
94 | 96 | ||
95 | void nm_fault(int n, istate_t *istate) |
97 | void nm_fault(int n, istate_t *istate) |
96 | { |
98 | { |
97 | #ifdef CONFIG_FPU_LAZY |
99 | #ifdef CONFIG_FPU_LAZY |
98 | scheduler_fpu_lazy_request(); |
100 | scheduler_fpu_lazy_request(); |
99 | #else |
101 | #else |
100 | panic("fpu fault"); |
102 | panic("fpu fault"); |
101 | #endif |
103 | #endif |
102 | } |
104 | } |
103 | 105 | ||
104 | void tlb_shootdown_ipi(int n, istate_t *istate) |
106 | void tlb_shootdown_ipi(int n, istate_t *istate) |
105 | { |
107 | { |
106 | trap_virtual_eoi(); |
108 | trap_virtual_eoi(); |
107 | tlb_shootdown_ipi_recv(); |
109 | tlb_shootdown_ipi_recv(); |
108 | } |
110 | } |
109 | 111 | ||
110 | void trap_virtual_enable_irqs(__u16 irqmask) |
112 | void trap_virtual_enable_irqs(__u16 irqmask) |
111 | { |
113 | { |
112 | if (enable_irqs_function) |
114 | if (enable_irqs_function) |
113 | enable_irqs_function(irqmask); |
115 | enable_irqs_function(irqmask); |
114 | else |
116 | else |
115 | panic("no enable_irqs_function\n"); |
117 | panic("no enable_irqs_function\n"); |
116 | } |
118 | } |
117 | 119 | ||
118 | void trap_virtual_disable_irqs(__u16 irqmask) |
120 | void trap_virtual_disable_irqs(__u16 irqmask) |
119 | { |
121 | { |
120 | if (disable_irqs_function) |
122 | if (disable_irqs_function) |
121 | disable_irqs_function(irqmask); |
123 | disable_irqs_function(irqmask); |
122 | else |
124 | else |
123 | panic("no disable_irqs_function\n"); |
125 | panic("no disable_irqs_function\n"); |
124 | } |
126 | } |
125 | 127 | ||
126 | void trap_virtual_eoi(void) |
128 | void trap_virtual_eoi(void) |
127 | { |
129 | { |
128 | if (eoi_function) |
130 | if (eoi_function) |
129 | eoi_function(); |
131 | eoi_function(); |
130 | else |
132 | else |
131 | panic("no eoi_function\n"); |
133 | panic("no eoi_function\n"); |
132 | 134 | ||
133 | } |
135 | } |
134 | 136 |