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Line 37... | Line 37... | ||
37 | #include "ofwarch.h" |
37 | #include "ofwarch.h" |
38 | #include <align.h> |
38 | #include <align.h> |
39 | #include <string.h> |
39 | #include <string.h> |
40 | 40 | ||
41 | bootinfo_t bootinfo; |
41 | bootinfo_t bootinfo; |
- | 42 | ||
- | 43 | /** UltraSPARC subarchitecture - 1 for US, 3 for US3 */ |
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- | 44 | uint8_t subarchitecture; |
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- | 45 | ||
42 | component_t components[COMPONENTS]; |
46 | component_t components[COMPONENTS]; |
43 | 47 | ||
44 | char *release = RELEASE; |
48 | char *release = RELEASE; |
45 | 49 | ||
46 | #ifdef REVISION |
50 | #ifdef REVISION |
Line 61... | Line 65... | ||
61 | printf("HelenOS SPARC64 Bootloader\nRelease %s%s%s\n" |
65 | printf("HelenOS SPARC64 Bootloader\nRelease %s%s%s\n" |
62 | "Copyright (c) 2006 HelenOS project\n", |
66 | "Copyright (c) 2006 HelenOS project\n", |
63 | release, revision, timestamp); |
67 | release, revision, timestamp); |
64 | } |
68 | } |
65 | 69 | ||
- | 70 | #define FIRST_US3_CPU 0x14 |
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- | 71 | #define LAST_US3_CPU 0x19 |
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- | 72 | static void detect_subarchitecture(void) |
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- | 73 | { |
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- | 74 | uint64_t v; |
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- | 75 | asm volatile ("rdpr %%ver, %0\n" : "=r" (v)); |
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- | 76 | ||
- | 77 | v = (v << 16) >> 48; |
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- | 78 | if ((v >= FIRST_US3_CPU) && (v <= LAST_US3_CPU)) { |
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- | 79 | subarchitecture = SUBARCH_US3; |
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- | 80 | } else if (v < FIRST_US3_CPU) { |
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- | 81 | subarchitecture = SUBARCH_US; |
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- | 82 | } |
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- | 83 | } |
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- | 84 | ||
66 | void bootstrap(void) |
85 | void bootstrap(void) |
67 | { |
86 | { |
68 | void *base = (void *) KERNEL_VIRTUAL_ADDRESS; |
87 | void *base = (void *) KERNEL_VIRTUAL_ADDRESS; |
69 | void *balloc_base; |
88 | void *balloc_base; |
70 | unsigned int top = 0; |
89 | unsigned int top = 0; |
71 | int i, j; |
90 | int i, j; |
72 | 91 | ||
73 | version_print(); |
92 | version_print(); |
74 | 93 | ||
- | 94 | detect_subarchitecture(); |
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75 | init_components(components); |
95 | init_components(components); |
76 | 96 | ||
77 | if (!ofw_get_physmem_start(&bootinfo.physmem_start)) { |
97 | if (!ofw_get_physmem_start(&bootinfo.physmem_start)) { |
78 | printf("Error: unable to get start of physical memory.\n"); |
98 | printf("Error: unable to get start of physical memory.\n"); |
79 | halt(); |
99 | halt(); |