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| Rev 2071 | Rev 2100 | ||
|---|---|---|---|
| Line 54... | Line 54... | ||
| 54 | }; |
54 | }; |
| 55 | 55 | ||
| 56 | static int rsdp_check(uint8_t *rsdp) { |
56 | static int rsdp_check(uint8_t *rsdp) { |
| 57 | struct acpi_rsdp *r = (struct acpi_rsdp *) rsdp; |
57 | struct acpi_rsdp *r = (struct acpi_rsdp *) rsdp; |
| 58 | uint8_t sum = 0; |
58 | uint8_t sum = 0; |
| 59 | int i; |
59 | unsigned int i; |
| 60 | 60 | ||
| 61 | for (i=0; i<20; i++) |
61 | for (i = 0; i < 20; i++) |
| 62 | sum += rsdp[i]; |
62 | sum += rsdp[i]; |
| 63 | 63 | ||
| 64 | if (sum) |
64 | if (sum) |
| 65 | return 0; /* bad checksum */ |
65 | return 0; /* bad checksum */ |
| 66 | 66 | ||
| 67 | if (r->revision == 0) |
67 | if (r->revision == 0) |
| 68 | return 1; /* ACPI 1.0 */ |
68 | return 1; /* ACPI 1.0 */ |
| 69 | 69 | ||
| 70 | for (; i<r->length; i++) |
70 | for (; i < r->length; i++) |
| 71 | sum += rsdp[i]; |
71 | sum += rsdp[i]; |
| 72 | 72 | ||
| 73 | return !sum; |
73 | return !sum; |
| 74 | 74 | ||
| 75 | } |
75 | } |
| 76 | 76 | ||
| 77 | int acpi_sdt_check(uint8_t *sdt) |
77 | int acpi_sdt_check(uint8_t *sdt) |
| 78 | { |
78 | { |
| 79 | struct acpi_sdt_header *h = (struct acpi_sdt_header *) sdt; |
79 | struct acpi_sdt_header *h = (struct acpi_sdt_header *) sdt; |
| 80 | uint8_t sum = 0; |
80 | uint8_t sum = 0; |
| 81 | int i; |
81 | unsigned int i; |
| 82 | 82 | ||
| 83 | for (i=0; i<h->length; i++) |
83 | for (i = 0; i < h->length; i++) |
| 84 | sum += sdt[i]; |
84 | sum += sdt[i]; |
| 85 | 85 | ||
| 86 | return !sum; |
86 | return !sum; |
| 87 | } |
87 | } |
| 88 | 88 | ||
| Line 92... | Line 92... | ||
| 92 | map_structure((uintptr_t) sdt, sdt->length); |
92 | map_structure((uintptr_t) sdt, sdt->length); |
| 93 | } |
93 | } |
| 94 | 94 | ||
| 95 | static void configure_via_rsdt(void) |
95 | static void configure_via_rsdt(void) |
| 96 | { |
96 | { |
| 97 | int i, j, cnt = (acpi_rsdt->header.length - sizeof(struct acpi_sdt_header))/sizeof(uint32_t); |
97 | unsigned int i, j, cnt = (acpi_rsdt->header.length - sizeof(struct acpi_sdt_header)) / sizeof(uint32_t); |
| 98 | 98 | ||
| 99 | for (i=0; i<cnt; i++) { |
99 | for (i = 0; i < cnt; i++) { |
| 100 | for (j=0; j<sizeof(signature_map)/sizeof(struct acpi_signature_map); j++) { |
100 | for (j = 0; j < sizeof(signature_map) / sizeof(struct acpi_signature_map); j++) { |
| 101 | struct acpi_sdt_header *h = (struct acpi_sdt_header *) (unative_t) acpi_rsdt->entry[i]; |
101 | struct acpi_sdt_header *h = (struct acpi_sdt_header *) (unative_t) acpi_rsdt->entry[i]; |
| 102 | 102 | ||
| 103 | map_sdt(h); |
103 | map_sdt(h); |
| 104 | if (*((uint32_t *) &h->signature[0])==*((uint32_t *) &signature_map[j].signature[0])) { |
104 | if (*((uint32_t *) &h->signature[0]) == *((uint32_t *) &signature_map[j].signature[0])) { |
| 105 | if (!acpi_sdt_check((uint8_t *) h)) |
105 | if (!acpi_sdt_check((uint8_t *) h)) |
| 106 | goto next; |
106 | goto next; |
| 107 | *signature_map[j].sdt_ptr = h; |
107 | *signature_map[j].sdt_ptr = h; |
| 108 | printf("%#zx: ACPI %s\n", *signature_map[j].sdt_ptr, signature_map[j].description); |
108 | printf("%#zx: ACPI %s\n", *signature_map[j].sdt_ptr, signature_map[j].description); |
| 109 | } |
109 | } |
| Line 113... | Line 113... | ||
| 113 | } |
113 | } |
| 114 | } |
114 | } |
| 115 | 115 | ||
| 116 | static void configure_via_xsdt(void) |
116 | static void configure_via_xsdt(void) |
| 117 | { |
117 | { |
| 118 | int i, j, cnt = (acpi_xsdt->header.length - sizeof(struct acpi_sdt_header))/sizeof(uint64_t); |
118 | unsigned int i, j, cnt = (acpi_xsdt->header.length - sizeof(struct acpi_sdt_header)) / sizeof(uint64_t); |
| 119 | 119 | ||
| 120 | for (i=0; i<cnt; i++) { |
120 | for (i = 0; i < cnt; i++) { |
| 121 | for (j=0; j<sizeof(signature_map)/sizeof(struct acpi_signature_map); j++) { |
121 | for (j = 0; j < sizeof(signature_map) / sizeof(struct acpi_signature_map); j++) { |
| 122 | struct acpi_sdt_header *h = (struct acpi_sdt_header *) ((uintptr_t) acpi_rsdt->entry[i]); |
122 | struct acpi_sdt_header *h = (struct acpi_sdt_header *) ((uintptr_t) acpi_rsdt->entry[i]); |
| 123 | 123 | ||
| 124 | map_sdt(h); |
124 | map_sdt(h); |
| 125 | if (*((uint32_t *) &h->signature[0])==*((uint32_t *) &signature_map[j].signature[0])) { |
125 | if (*((uint32_t *) &h->signature[0]) == *((uint32_t *) &signature_map[j].signature[0])) { |
| 126 | if (!acpi_sdt_check((uint8_t *) h)) |
126 | if (!acpi_sdt_check((uint8_t *) h)) |
| 127 | goto next; |
127 | goto next; |
| 128 | *signature_map[j].sdt_ptr = h; |
128 | *signature_map[j].sdt_ptr = h; |
| 129 | printf("%#zx: ACPI %s\n", *signature_map[j].sdt_ptr, signature_map[j].description); |
129 | printf("%#zx: ACPI %s\n", *signature_map[j].sdt_ptr, signature_map[j].description); |
| 130 | } |
130 | } |