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1 | /* |
1 | /* |
2 | * Copyright (C) 2005 Ondrej Palkovsky |
2 | * Copyright (C) 2005 Ondrej Palkovsky |
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.h> |
29 | #include <arch.h> |
30 | 30 | ||
31 | #include <arch/types.h> |
31 | #include <arch/types.h> |
32 | 32 | ||
33 | #include <config.h> |
33 | #include <config.h> |
34 | 34 | ||
35 | #include <arch/ega.h> |
35 | #include <arch/ega.h> |
36 | #include <arch/i8042.h> |
36 | #include <arch/i8042.h> |
37 | #include <arch/i8254.h> |
37 | #include <arch/i8254.h> |
38 | #include <arch/i8259.h> |
38 | #include <arch/i8259.h> |
39 | 39 | ||
40 | #include <arch/bios/bios.h> |
40 | #include <arch/bios/bios.h> |
41 | #include <arch/mm/memory_init.h> |
41 | #include <arch/mm/memory_init.h> |
- | 42 | #include <arch/cpu.h> |
|
- | 43 | #include <print.h> |
|
- | 44 | #include <arch/cpuid.h> |
|
42 | 45 | ||
43 | void arch_pre_mm_init(void) |
46 | void arch_pre_mm_init(void) |
44 | { |
47 | { |
- | 48 | struct cpu_info cpuid_s; |
|
- | 49 | ||
- | 50 | cpuid(AMD_CPUID_EXTENDED,&cpuid_s); |
|
- | 51 | if (! (cpuid_s.cpuid_edx & (1<<AMD_EXT_NOEXECUTE))) { |
|
- | 52 | printf("We do not support NX!!-----------\n"); |
|
- | 53 | printf("%X------\n",cpuid_s.cpuid_edx); |
|
- | 54 | cpu_halt(); |
|
- | 55 | } |
|
- | 56 | set_efer_flag(AMD_NXE_FLAG); |
|
- | 57 | ||
45 | pm_init(); |
58 | pm_init(); |
46 | 59 | ||
47 | if (config.cpu_active == 1) { |
60 | if (config.cpu_active == 1) { |
48 | bios_init(); |
61 | bios_init(); |
49 | i8042_init(); /* a20 bit */ |
62 | i8042_init(); /* a20 bit */ |
50 | i8259_init(); /* PIC */ |
63 | i8259_init(); /* PIC */ |
51 | i8254_init(); /* hard clock */ |
64 | i8254_init(); /* hard clock */ |
52 | 65 | ||
53 | trap_register(VECTOR_SYSCALL, syscall); |
66 | trap_register(VECTOR_SYSCALL, syscall); |
54 | 67 | ||
55 | #ifdef __SMP__ |
68 | #ifdef __SMP__ |
56 | trap_register(VECTOR_TLB_SHOOTDOWN_IPI, tlb_shootdown_ipi); |
69 | trap_register(VECTOR_TLB_SHOOTDOWN_IPI, tlb_shootdown_ipi); |
57 | trap_register(VECTOR_WAKEUP_IPI, wakeup_ipi); |
70 | trap_register(VECTOR_WAKEUP_IPI, wakeup_ipi); |
58 | #endif /* __SMP__ */ |
71 | #endif /* __SMP__ */ |
59 | } |
72 | } |
60 | } |
73 | } |
61 | 74 | ||
62 | void arch_post_mm_init(void) |
75 | void arch_post_mm_init(void) |
63 | { |
76 | { |
64 | if (config.cpu_active == 1) { |
77 | if (config.cpu_active == 1) { |
65 | ega_init(); /* video */ |
78 | ega_init(); /* video */ |
66 | } |
79 | } |
67 | } |
80 | } |
68 | 81 | ||
69 | void arch_late_init(void) |
82 | void arch_late_init(void) |
70 | { |
83 | { |
71 | if (config.cpu_active == 1) { |
84 | if (config.cpu_active == 1) { |
72 | memory_print_map(); |
85 | memory_print_map(); |
73 | 86 | ||
74 | #ifdef __SMP__ |
87 | #ifdef __SMP__ |
75 | acpi_init(); |
88 | acpi_init(); |
76 | #endif /* __SMP__ */ |
89 | #endif /* __SMP__ */ |
77 | } |
90 | } |
78 | } |
91 | } |
79 | 92 | ||
80 | void calibrate_delay_loop(void) |
93 | void calibrate_delay_loop(void) |
81 | { |
94 | { |
82 | return; |
95 | return; |
83 | i8254_calibrate_delay_loop(); |
96 | i8254_calibrate_delay_loop(); |
84 | i8254_normal_operation(); |
97 | i8254_normal_operation(); |
85 | } |
98 | } |
86 | 99 |