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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 <arch.h> |
38 | #include <arch.h> |
39 | #include <symtab.h> |
39 | #include <symtab.h> |
- | 40 | #include <arch/asm.h> |
|
40 | 41 | ||
41 | #define PRINT_INFO_ERRCODE(x) { \ |
42 | #define PRINT_INFO_ERRCODE(n,x) { \ |
42 | char *symbol = get_symtab_entry(stack[1]); \ |
43 | char *symbol = get_symtab_entry(stack[1]); \ |
43 | if (!symbol) \ |
44 | if (!symbol) \ |
44 | symbol = ""; \ |
45 | symbol = ""; \ |
45 | printf("----------------EXCEPTION OCCURED----------------\n"); \ |
46 | printf("-----EXCEPTION(%d) OCCURED----- ( %s )\n",n,__FUNCTION__); \ |
46 | printf("%%rip: %Q (%s)\n",x[1],symbol); \ |
47 | printf("%%rip: %Q (%s)\n",x[1],symbol); \ |
47 | printf("ERROR_WORD=%Q\n", x[0]); \ |
48 | printf("ERROR_WORD=%Q\n", x[0]); \ |
48 | printf("%%rcs=%Q,flags=%Q\n", x[2], x[3]); \ |
49 | printf("%%rcs=%Q,flags=%Q, %%cr0=%Q\n", x[2], x[3],read_cr0()); \ |
49 | printf("%%rax=%Q, %%rbx=%Q, %%rcx=%Q\n",x[-1],x[-2],x[-3]); \ |
50 | printf("%%rax=%Q, %%rbx=%Q, %%rcx=%Q\n",x[-2],x[-3],x[-4]); \ |
50 | printf("%%rdx=%Q, %%rsi=%Q, %%rdi=%Q\n",x[-4],x[-5],x[-6]); \ |
51 | printf("%%rdx=%Q, %%rsi=%Q, %%rdi=%Q\n",x[-5],x[-6],x[-7]); \ |
51 | printf("%%r8 =%Q, %%r9 =%Q, %%r10=%Q\n",x[-7],x[-8],x[-9]); \ |
52 | printf("%%r8 =%Q, %%r9 =%Q, %%r10=%Q\n",x[-8],x[-9],x[-10]); \ |
52 | printf("%%r11=%Q, %%r12=%Q, %%r13=%Q\n",x[-10],x[-11],x[-12]); \ |
53 | printf("%%r11=%Q, %%r12=%Q, %%r13=%Q\n",x[-11],x[-12],x[-13]); \ |
53 | printf("%%r14=%Q, %%r15=%Q, %%rsp=%Q\n",x[-13],x[-14],x); \ |
54 | printf("%%r14=%Q, %%r15=%Q, %%rsp=%Q\n",x[-14],x[-15],x); \ |
- | 55 | printf("%%rbp=%Q\n",x[-1]); \ |
|
54 | printf("stack: %Q, %Q, %Q\n", x[5], x[6], x[7]); \ |
56 | printf("stack: %Q, %Q, %Q\n", x[5], x[6], x[7]); \ |
55 | printf(" %Q, %Q, %Q\n", x[8], x[9], x[10]); \ |
57 | printf(" %Q, %Q, %Q\n", x[8], x[9], x[10]); \ |
- | 58 | printf(" %Q, %Q, %Q\n", x[11], x[12], x[13]); \ |
|
- | 59 | printf(" %Q, %Q, %Q\n", x[14], x[15], x[16]); \ |
|
- | 60 | printf(" %Q, %Q, %Q\n", x[17], x[18], x[19]); \ |
|
- | 61 | printf(" %Q, %Q, %Q\n", x[20], x[21], x[22]); \ |
|
- | 62 | printf(" %Q, %Q, %Q\n", x[23], x[24], x[25]); \ |
|
56 | } |
63 | } |
57 | 64 | ||
58 | /* |
65 | /* |
59 | * Interrupt and exception dispatching. |
66 | * Interrupt and exception dispatching. |
60 | */ |
67 | */ |
61 | 68 | ||
62 | static iroutine ivt[IVT_ITEMS]; |
69 | static iroutine ivt[IVT_ITEMS]; |
63 | 70 | ||
64 | void (* disable_irqs_function)(__u16 irqmask) = NULL; |
71 | void (* disable_irqs_function)(__u16 irqmask) = NULL; |
65 | void (* enable_irqs_function)(__u16 irqmask) = NULL; |
72 | void (* enable_irqs_function)(__u16 irqmask) = NULL; |
66 | void (* eoi_function)(void) = NULL; |
73 | void (* eoi_function)(void) = NULL; |
67 | 74 | ||
68 | iroutine trap_register(__u8 n, iroutine f) |
75 | iroutine trap_register(__u8 n, iroutine f) |
69 | { |
76 | { |
70 | ASSERT(n < IVT_ITEMS); |
77 | ASSERT(n < IVT_ITEMS); |
71 | 78 | ||
72 | iroutine old; |
79 | iroutine old; |
73 | 80 | ||
74 | old = ivt[n]; |
81 | old = ivt[n]; |
75 | ivt[n] = f; |
82 | ivt[n] = f; |
76 | 83 | ||
77 | return old; |
84 | return old; |
78 | } |
85 | } |
79 | 86 | ||
80 | /* |
87 | /* |
81 | * Called directly from the assembler code. |
88 | * Called directly from the assembler code. |
82 | * CPU is cpu_priority_high(). |
89 | * CPU is cpu_priority_high(). |
83 | */ |
90 | */ |
84 | void trap_dispatcher(__u8 n, __native stack[]) |
91 | void trap_dispatcher(__u8 n, __native stack[]) |
85 | { |
92 | { |
86 | ASSERT(n < IVT_ITEMS); |
93 | ASSERT(n < IVT_ITEMS); |
87 | 94 | ||
88 | ivt[n](n, stack); |
95 | ivt[n](n, stack); |
89 | } |
96 | } |
90 | 97 | ||
91 | void null_interrupt(__u8 n, __native stack[]) |
98 | void null_interrupt(__u8 n, __native stack[]) |
92 | { |
99 | { |
93 | printf("----------------EXCEPTION OCCURED----------------\n"); |
100 | printf("-----EXCEPTION(%d) OCCURED----- ( %s )\n",n,__FUNCTION__); \ |
94 | printf("int %d: null_interrupt\n", n); |
- | |
95 | printf("stack: %L, %L, %L, %L\n", stack[0], stack[1], stack[2], stack[3]); |
101 | printf("stack: %L, %L, %L, %L\n", stack[0], stack[1], stack[2], stack[3]); |
96 | panic("unserviced interrupt\n"); |
102 | panic("unserviced interrupt\n"); |
97 | } |
103 | } |
98 | 104 | ||
99 | void gp_fault(__u8 n, __native stack[]) |
105 | void gp_fault(__u8 n, __native stack[]) |
100 | { |
106 | { |
101 | PRINT_INFO_ERRCODE(stack); |
107 | PRINT_INFO_ERRCODE(n,stack); |
102 | panic("general protection fault\n"); |
108 | panic("general protection fault\n"); |
103 | } |
109 | } |
104 | 110 | ||
105 | void ss_fault(__u8 n, __native stack[]) |
111 | void ss_fault(__u8 n, __native stack[]) |
106 | { |
112 | { |
107 | PRINT_INFO_ERRCODE(stack); |
113 | PRINT_INFO_ERRCODE(n,stack); |
108 | panic("stack fault\n"); |
114 | panic("stack fault\n"); |
109 | } |
115 | } |
110 | 116 | ||
111 | 117 | ||
112 | void nm_fault(__u8 n, __native stack[]) |
118 | void nm_fault(__u8 n, __native stack[]) |
113 | { |
119 | { |
114 | reset_TS_flag(); |
120 | reset_TS_flag(); |
115 | if ((CPU->fpu_owner)!=NULL) { |
121 | if (CPU->fpu_owner != NULL) { |
116 | fpu_lazy_context_save(&((CPU->fpu_owner)->saved_fpu_context)); |
122 | fpu_lazy_context_save(&CPU->fpu_owner->saved_fpu_context); |
- | 123 | /* don't prevent migration */ |
|
117 | (CPU->fpu_owner)->fpu_context_engaged=0; /* don't prevent migration */ |
124 | CPU->fpu_owner->fpu_context_engaged=0; |
- | 125 | } |
|
- | 126 | if (THREAD->fpu_context_exists) |
|
- | 127 | fpu_lazy_context_restore(&THREAD->saved_fpu_context); |
|
- | 128 | else { |
|
- | 129 | fpu_init(); |
|
- | 130 | THREAD->fpu_context_exists=1; |
|
118 | } |
131 | } |
119 | if(THREAD->fpu_context_exists) fpu_lazy_context_restore(&(THREAD->saved_fpu_context)); |
- | |
120 | else {fpu_init();THREAD->fpu_context_exists=1;} |
- | |
121 | CPU->fpu_owner=THREAD; |
132 | CPU->fpu_owner=THREAD; |
122 | } |
133 | } |
123 | 134 | ||
124 | 135 | ||
125 | 136 | ||
126 | void page_fault(__u8 n, __native stack[]) |
137 | void page_fault(__u8 n, __native stack[]) |
127 | { |
138 | { |
128 | PRINT_INFO_ERRCODE(stack); |
139 | PRINT_INFO_ERRCODE(n,stack); |
129 | printf("Page fault address: %Q\n", read_cr2()); |
140 | printf("Page fault address: %Q\n", read_cr2()); |
130 | panic("page fault\n"); |
141 | panic("page fault\n"); |
131 | } |
142 | } |
132 | 143 | ||
133 | void syscall(__u8 n, __native stack[]) |
144 | void syscall(__u8 n, __native stack[]) |
134 | { |
145 | { |
135 | printf("cpu%d: syscall\n", CPU->id); |
146 | printf("cpu%d: syscall\n", CPU->id); |
136 | thread_usleep(1000); |
147 | thread_usleep(1000); |
137 | } |
148 | } |
138 | 149 | ||
139 | void tlb_shootdown_ipi(__u8 n, __native stack[]) |
150 | void tlb_shootdown_ipi(__u8 n, __native stack[]) |
140 | { |
151 | { |
141 | trap_virtual_eoi(); |
152 | trap_virtual_eoi(); |
142 | tlb_shootdown_ipi_recv(); |
153 | tlb_shootdown_ipi_recv(); |
143 | } |
154 | } |
144 | 155 | ||
145 | void wakeup_ipi(__u8 n, __native stack[]) |
156 | void wakeup_ipi(__u8 n, __native stack[]) |
146 | { |
157 | { |
147 | trap_virtual_eoi(); |
158 | trap_virtual_eoi(); |
148 | } |
159 | } |
149 | 160 | ||
150 | void trap_virtual_enable_irqs(__u16 irqmask) |
161 | void trap_virtual_enable_irqs(__u16 irqmask) |
151 | { |
162 | { |
152 | if (enable_irqs_function) |
163 | if (enable_irqs_function) |
153 | enable_irqs_function(irqmask); |
164 | enable_irqs_function(irqmask); |
154 | else |
165 | else |
155 | panic("no enable_irqs_function\n"); |
166 | panic("no enable_irqs_function\n"); |
156 | } |
167 | } |
157 | 168 | ||
158 | void trap_virtual_disable_irqs(__u16 irqmask) |
169 | void trap_virtual_disable_irqs(__u16 irqmask) |
159 | { |
170 | { |
160 | if (disable_irqs_function) |
171 | if (disable_irqs_function) |
161 | disable_irqs_function(irqmask); |
172 | disable_irqs_function(irqmask); |
162 | else |
173 | else |
163 | panic("no disable_irqs_function\n"); |
174 | panic("no disable_irqs_function\n"); |
164 | } |
175 | } |
165 | 176 | ||
166 | void trap_virtual_eoi(void) |
177 | void trap_virtual_eoi(void) |
167 | { |
178 | { |
168 | if (eoi_function) |
179 | if (eoi_function) |
169 | eoi_function(); |
180 | eoi_function(); |
170 | else |
181 | else |
171 | panic("no eoi_function\n"); |
182 | panic("no eoi_function\n"); |
172 | 183 | ||
173 | } |
184 | } |
174 | 185 |