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Rev 2222 | Rev 2441 | ||
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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); |