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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> |
42 | #include <arch/cpu.h> |
43 | #include <print.h> |
43 | #include <print.h> |
44 | #include <arch/cpuid.h> |
44 | #include <arch/cpuid.h> |
45 | #include <genarch/acpi/acpi.h> |
45 | #include <genarch/acpi/acpi.h> |
46 | #include <panic.h> |
46 | #include <panic.h> |
47 | 47 | ||
48 | void arch_pre_mm_init(void) |
48 | void arch_pre_mm_init(void) |
49 | { |
49 | { |
50 | struct cpu_info cpuid_s; |
50 | struct cpu_info cpuid_s; |
51 | 51 | ||
52 | cpuid(AMD_CPUID_EXTENDED,&cpuid_s); |
52 | cpuid(AMD_CPUID_EXTENDED,&cpuid_s); |
53 | if (! (cpuid_s.cpuid_edx & (1<<AMD_EXT_NOEXECUTE))) |
53 | if (! (cpuid_s.cpuid_edx & (1<<AMD_EXT_NOEXECUTE))) |
54 | panic("Processor does not support No-execute pages.\n"); |
54 | panic("Processor does not support No-execute pages.\n"); |
55 | 55 | ||
56 | cpuid(INTEL_CPUID_STANDARD,&cpuid_s); |
56 | cpuid(INTEL_CPUID_STANDARD,&cpuid_s); |
57 | if (! (cpuid_s.cpuid_edx & (1<<INTEL_FXSAVE))) |
57 | if (! (cpuid_s.cpuid_edx & (1<<INTEL_FXSAVE))) |
58 | panic("Processor does not support FXSAVE/FXRESTORE.\n"); |
58 | panic("Processor does not support FXSAVE/FXRESTORE.\n"); |
59 | 59 | ||
60 | if (! (cpuid_s.cpuid_edx & (1<<INTEL_SSE2))) |
60 | if (! (cpuid_s.cpuid_edx & (1<<INTEL_SSE2))) |
61 | panic("Processor does not support SSE2 instructions.\n"); |
61 | panic("Processor does not support SSE2 instructions.\n"); |
62 | 62 | ||
63 | /* Enable No-execute pages */ |
63 | /* Enable No-execute pages */ |
64 | set_efer_flag(AMD_NXE_FLAG); |
64 | set_efer_flag(AMD_NXE_FLAG); |
65 | /* Enable FPU */ |
65 | /* Enable FPU */ |
66 | cpu_setup_fpu(); |
66 | cpu_setup_fpu(); |
67 | 67 | ||
68 | pm_init(); |
68 | pm_init(); |
69 | 69 | ||
70 | if (config.cpu_active == 1) { |
70 | if (config.cpu_active == 1) { |
71 | bios_init(); |
71 | bios_init(); |
72 | i8042_init(); /* a20 bit */ |
72 | i8042_init(); /* a20 bit */ |
73 | i8259_init(); /* PIC */ |
73 | i8259_init(); /* PIC */ |
74 | i8254_init(); /* hard clock */ |
74 | i8254_init(); /* hard clock */ |
75 | 75 | ||
76 | trap_register(VECTOR_SYSCALL, syscall); |
76 | trap_register(VECTOR_SYSCALL, syscall); |
77 | 77 | ||
78 | #ifdef CONFIG_SMP |
78 | #ifdef CONFIG_SMP |
79 | trap_register(VECTOR_TLB_SHOOTDOWN_IPI, tlb_shootdown_ipi); |
79 | trap_register(VECTOR_TLB_SHOOTDOWN_IPI, tlb_shootdown_ipi); |
80 | trap_register(VECTOR_WAKEUP_IPI, wakeup_ipi); |
80 | trap_register(VECTOR_WAKEUP_IPI, wakeup_ipi); |
81 | #endif /* CONFIG_SMP */ |
81 | #endif /* CONFIG_SMP */ |
82 | } |
82 | } |
83 | } |
83 | } |
84 | 84 | ||
85 | void arch_post_mm_init(void) |
85 | void arch_post_mm_init(void) |
86 | { |
86 | { |
87 | if (config.cpu_active == 1) { |
87 | if (config.cpu_active == 1) { |
88 | ega_init(); /* video */ |
88 | ega_init(); /* video */ |
89 | } |
89 | } |
90 | } |
90 | } |
91 | 91 | ||
92 | void arch_late_init(void) |
92 | void arch_late_init(void) |
93 | { |
93 | { |
94 | if (config.cpu_active == 1) { |
94 | if (config.cpu_active == 1) { |
95 | memory_print_map(); |
95 | memory_print_map(); |
96 | 96 | ||
97 | #ifdef CONFIG_SMP |
97 | #ifdef CONFIG_SMP |
98 | acpi_init(); |
98 | acpi_init(); |
99 | #endif /* CONFIG_SMP */ |
99 | #endif /* CONFIG_SMP */ |
100 | } |
100 | } |
101 | } |
101 | } |
102 | 102 | ||
103 | void calibrate_delay_loop(void) |
103 | void calibrate_delay_loop(void) |
104 | { |
104 | { |
105 | i8254_calibrate_delay_loop(); |
105 | i8254_calibrate_delay_loop(); |
106 | i8254_normal_operation(); |
106 | i8254_normal_operation(); |
107 | } |
107 | } |
108 | 108 |