-static void
-copy_pir(void *pos)
-{
- struct pir_header *p = pos;
- if (p->signature != PIR_SIGNATURE)
- return;
- if (PirOffset)
- return;
- if (p->size < sizeof(*p))
- return;
- if (checksum(pos, p->size) != 0)
- return;
- void *newpos = malloc_fseg(p->size);
- if (!newpos) {
- warn_noalloc();
- return;
- }
- dprintf(1, "Copying PIR from %p to %p\n", pos, newpos);
- memcpy(newpos, pos, p->size);
- PirOffset = (u32)newpos - BUILD_BIOS_ADDR;
-}
-
-static void
-copy_mptable(void *pos)
-{
- struct mptable_floating_s *p = pos;
- if (p->signature != MPTABLE_SIGNATURE)
- return;
- if (!p->physaddr)
- return;
- if (checksum(pos, sizeof(*p)) != 0)
- return;
- u32 length = p->length * 16;
- u16 mpclength = ((struct mptable_config_s *)p->physaddr)->length;
- struct mptable_floating_s *newpos = malloc_fseg(length + mpclength);
- if (!newpos) {
- warn_noalloc();
- return;
- }
- dprintf(1, "Copying MPTABLE from %p/%x to %p\n", pos, p->physaddr, newpos);
- memcpy(newpos, pos, length);
- newpos->physaddr = (u32)newpos + length;
- newpos->checksum -= checksum(newpos, sizeof(*newpos));
- memcpy((void*)newpos + length, (void*)p->physaddr, mpclength);
-}
-
-static void
-copy_acpi_rsdp(void *pos)
-{
- if (RsdpAddr)
- return;
- struct rsdp_descriptor *p = pos;
- if (p->signature != RSDP_SIGNATURE)
- return;
- u32 length = 20;
- if (checksum(pos, length) != 0)
- return;
- if (p->revision > 1) {
- length = p->length;
- if (checksum(pos, length) != 0)
- return;
- }
- void *newpos = malloc_fseg(length);
- if (!newpos) {
- warn_noalloc();
- return;
- }
- dprintf(1, "Copying ACPI RSDP from %p to %p\n", pos, newpos);
- memcpy(newpos, pos, length);
- RsdpAddr = newpos;
-}
-