acpi_checksum
if (acpi_checksum(ptr, sizeof(struct acpi_rsdp1)) != 0)
if (acpi_checksum(ptr, sizeof(struct acpi_rsdp)) == 0)
if (acpi_checksum(ptr, sizeof(struct acpi_rsdp1)) != 0)
if (acpi_checksum(ptr, sizeof(struct acpi_rsdp)) == 0)
if (acpi_checksum(hdr, len))
u_int acpi_checksum(const void *, size_t);
int acpi_checksum(void *_p, size_t _length);
if (acpi_checksum(&rp, sizeof(struct ACPIrsdp)) == 0)
if (acpi_checksum(&rp, SIZEOF_RSDP_REV_0) == 0)
if (acpi_checksum(dsdp, dsdp->len))
if (acpi_checksum(sdp, sdp->len))
if (acpi_checksum(sdp, sdp->len))
acpi_checksum(rsdp, rsdp->len))
acpi_checksum(rsdp, rsdp->len))