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powerpc/booke: Reserve KVA for minidump working area

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This was already handled for the AIM64 pmaps, so add the same to
Book-E64 pmap.
This commit is contained in:
Justin Hibbits 2024-04-04 18:23:39 -04:00
parent 8eb21b4ff0
commit fcace5ab08
1 changed files with 5 additions and 0 deletions
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5
sys/powerpc/booke/pmap.c
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@ -749,6 +749,11 @@ mmu_booke_bootstrap(vm_offset_t start, vm_offset_t kernelend)
debugf("ptbl_buf_pool_vabase = 0x%"PRI0ptrX" end = 0x%"PRI0ptrX"\n",
ptbl_buf_pool_vabase, virtual_avail);
#endif
#ifdef __powerpc64__
/* Allocate KVA space for crashdumpmap. */
crashdumpmap = (caddr_t)virtual_avail;
virtual_avail += MAXDUMPPGS * PAGE_SIZE;
#endif
/* Calculate corresponding physical addresses for the kernel region. */
phys_kernelend = kernload + kernsize;