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| Rev 206 | Rev 268 | ||
|---|---|---|---|
| Line 93... | Line 93... | ||
| 93 | * Find Root System Description Pointer |
93 | * Find Root System Description Pointer |
| 94 | * 1. search first 1K of EBDA |
94 | * 1. search first 1K of EBDA |
| 95 | * 2. search 128K starting at 0xe0000 |
95 | * 2. search 128K starting at 0xe0000 |
| 96 | */ |
96 | */ |
| 97 | 97 | ||
| 98 | addr[0] = (__u8 *) ebda; |
98 | addr[0] = (__u8 *) PA2KA(ebda); |
| 99 | for (i = (ebda ? 0 : 1); i < 2; i++) { |
99 | for (i = (ebda ? 0 : 1); i < 2; i++) { |
| 100 | for (j = 0; j < length[i]; j += 16) { |
100 | for (j = 0; j < length[i]; j += 16) { |
| 101 | if (*((__u64 *) &addr[i][j]) == *sig && rsdp_check(&addr[i][j])) { |
101 | if (*((__u64 *) &addr[i][j]) == *sig && rsdp_check(&addr[i][j])) { |
| 102 | acpi_rsdp = (struct acpi_rsdp *) &addr[i][j]; |
102 | acpi_rsdp = (struct acpi_rsdp *) &addr[i][j]; |
| 103 | goto rsdp_found; |
103 | goto rsdp_found; |
| Line 108... | Line 108... | ||
| 108 | return; |
108 | return; |
| 109 | 109 | ||
| 110 | rsdp_found: |
110 | rsdp_found: |
| 111 | printf("%L: ACPI Root System Description Pointer\n", acpi_rsdp); |
111 | printf("%L: ACPI Root System Description Pointer\n", acpi_rsdp); |
| 112 | 112 | ||
| 113 | acpi_rsdt = (struct acpi_rsdt *) acpi_rsdp->rsdt_address; |
113 | acpi_rsdt = (struct acpi_rsdt *) (__native) acpi_rsdp->rsdt_address; |
| 114 | if (acpi_rsdp->revision) acpi_xsdt = (struct acpi_xsdt *) ((__address) acpi_rsdp->xsdt_address); |
114 | if (acpi_rsdp->revision) acpi_xsdt = (struct acpi_xsdt *) ((__address) acpi_rsdp->xsdt_address); |
| 115 | 115 | ||
| 116 | if (acpi_rsdt) map_sdt((struct acpi_sdt_header *) acpi_rsdt); |
116 | if (acpi_rsdt) map_sdt((struct acpi_sdt_header *) acpi_rsdt); |
| 117 | if (acpi_xsdt) map_sdt((struct acpi_sdt_header *) acpi_xsdt); |
117 | if (acpi_xsdt) map_sdt((struct acpi_sdt_header *) acpi_xsdt); |
| 118 | 118 | ||
| Line 134... | Line 134... | ||
| 134 | { |
134 | { |
| 135 | int i, j, cnt = (acpi_rsdt->header.length - sizeof(struct acpi_sdt_header))/sizeof(__u32); |
135 | int i, j, cnt = (acpi_rsdt->header.length - sizeof(struct acpi_sdt_header))/sizeof(__u32); |
| 136 | 136 | ||
| 137 | for (i=0; i<cnt; i++) { |
137 | for (i=0; i<cnt; i++) { |
| 138 | for (j=0; j<sizeof(signature_map)/sizeof(struct acpi_signature_map); j++) { |
138 | for (j=0; j<sizeof(signature_map)/sizeof(struct acpi_signature_map); j++) { |
| 139 | struct acpi_sdt_header *h = (struct acpi_sdt_header *) acpi_rsdt->entry[i]; |
139 | struct acpi_sdt_header *h = (struct acpi_sdt_header *) (__native) acpi_rsdt->entry[i]; |
| 140 | 140 | ||
| 141 | map_sdt(h); |
141 | map_sdt(h); |
| 142 | if (*((__u32 *) &h->signature[0])==*((__u32 *) &signature_map[j].signature[0])) { |
142 | if (*((__u32 *) &h->signature[0])==*((__u32 *) &signature_map[j].signature[0])) { |
| 143 | if (!acpi_sdt_check((__u8 *) h)) |
143 | if (!acpi_sdt_check((__u8 *) h)) |
| 144 | goto next; |
144 | goto next; |