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| Rev 2222 | Rev 2441 | ||
|---|---|---|---|
| Line 57... | Line 57... | ||
| 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 | unsigned 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 = (uint8_t) (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 = (uint8_t) (sum + rsdp[i]); |
| 72 | 72 | ||
| 73 | return !sum; |
73 | return !sum; |
| 74 | 74 | ||
| 75 | } |
75 | } |
| 76 | 76 | ||
| Line 79... | Line 79... | ||
| 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 | unsigned 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 = (uint8_t) (sum + sdt[i]); |
| 85 | 85 | ||
| 86 | return !sum; |
86 | return !sum; |
| 87 | } |
87 | } |
| 88 | 88 | ||
| 89 | static void map_sdt(struct acpi_sdt_header *sdt) |
89 | static void map_sdt(struct acpi_sdt_header *sdt) |
| Line 103... | Line 103... | ||
| 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("%#zp: ACPI %s\n", *signature_map[j].sdt_ptr, signature_map[j].description); |
| 109 | } |
109 | } |
| 110 | } |
110 | } |
| 111 | next: |
111 | next: |
| 112 | ; |
112 | ; |
| 113 | } |
113 | } |
| Line 124... | Line 124... | ||
| 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("%#zp: ACPI %s\n", *signature_map[j].sdt_ptr, signature_map[j].description); |
| 130 | } |
130 | } |
| 131 | } |
131 | } |
| 132 | next: |
132 | next: |
| 133 | ; |
133 | ; |
| 134 | } |
134 | } |
| Line 158... | Line 158... | ||
| 158 | } |
158 | } |
| 159 | 159 | ||
| 160 | return; |
160 | return; |
| 161 | 161 | ||
| 162 | rsdp_found: |
162 | rsdp_found: |
| 163 | printf("%#zx: ACPI Root System Description Pointer\n", acpi_rsdp); |
163 | printf("%#zp: ACPI Root System Description Pointer\n", acpi_rsdp); |
| 164 | 164 | ||
| 165 | acpi_rsdt = (struct acpi_rsdt *) (unative_t) acpi_rsdp->rsdt_address; |
165 | acpi_rsdt = (struct acpi_rsdt *) (unative_t) acpi_rsdp->rsdt_address; |
| 166 | if (acpi_rsdp->revision) acpi_xsdt = (struct acpi_xsdt *) ((uintptr_t) acpi_rsdp->xsdt_address); |
166 | if (acpi_rsdp->revision) acpi_xsdt = (struct acpi_xsdt *) ((uintptr_t) acpi_rsdp->xsdt_address); |
| 167 | 167 | ||
| 168 | if (acpi_rsdt) map_sdt((struct acpi_sdt_header *) acpi_rsdt); |
168 | if (acpi_rsdt) map_sdt((struct acpi_sdt_header *) acpi_rsdt); |