88 	map->va = mmap(0, size, PROT_READ, MAP_SHARED, acpi_mem_fd, pa);  in acpi_user_find_mapping()
112 	if (acpi_checksum(&rsdp, ACPI_RSDP_CHECKSUM_LENGTH) != 0)  in acpi_get_rsdp()
117 	    acpi_checksum(&rsdp, ACPI_RSDP_XCHECKSUM_LENGTH) != 0)  in acpi_get_rsdp()
120 	/* If the revision is 0, assume a version 1 length. */  in acpi_get_rsdp()
121 	if (rsdp.Revision == 0)  in acpi_get_rsdp()
140 	 * 1. EBDA (1 KB area addressed by the 16 bit pointer at 0x40E  in acpi_scan_rsd_ptr()
141 	 * 2. High memory (0xE0000 - 0xFFFFF)  in acpi_scan_rsd_ptr()
172 	addr = 0;  in acpi_find_rsd_ptr()
175 	if (kenv(KENV_GET, acpi_rsdp, buf, 20) > 0)  in acpi_find_rsd_ptr()
176 		addr = strtoul(buf, NULL, 0);  in acpi_find_rsd_ptr()
177 	if (addr == 0) {  in acpi_find_rsd_ptr()
179 		if (sysctlbyname(machdep_acpi_root, &addr, &len, NULL, 0) != 0)  in acpi_find_rsd_ptr()
180 			addr = 0;  in acpi_find_rsd_ptr()
182 	if (addr != 0 && (rsdp = acpi_get_rsdp(addr)) != NULL)  in acpi_find_rsd_ptr()
212 	dp = mmap(0, sb.st_size, PROT_READ, MAP_PRIVATE, acpi_mem_fd, 0);  in dsdt_load_file()
217 	if (strncmp(dp, ACPI_SIG_DSDT, 4) != 0 ||  in dsdt_load_file()
218 	    acpi_checksum(sdt, sdt->Length) != 0)  in dsdt_load_file()