Author: luporl Date: Wed Jul 10 13:36:17 2019 New Revision: 349885 URL: https://svnweb.freebsd.org/changeset/base/349885
Log: [PPC64] pseries: fix realmaxaddr calculation On POWER9/pseries, QEMU passes several regions of memory, instead of a single region containing all memory, as the code was expecting. Reviewed by: jhibbits Differential Revision: https://reviews.freebsd.org/D20857 Modified: head/sys/powerpc/pseries/platform_chrp.c Modified: head/sys/powerpc/pseries/platform_chrp.c ============================================================================== --- head/sys/powerpc/pseries/platform_chrp.c Wed Jul 10 13:35:01 2019 (r349884) +++ head/sys/powerpc/pseries/platform_chrp.c Wed Jul 10 13:36:17 2019 (r349885) @@ -140,8 +140,15 @@ chrp_attach(platform_t plat) if (!(mfmsr() & PSL_HV)) { struct mem_region *phys, *avail; int nphys, navail; + vm_offset_t off; + mem_regions(&phys, &nphys, &avail, &navail); - realmaxaddr = phys[0].mr_size; + + realmaxaddr = 0; + for (i = 0; i < nphys; i++) { + off = phys[i].mr_start + phys[i].mr_size; + realmaxaddr = MAX(off, realmaxaddr); + } pmap_mmu_install("mmu_phyp", BUS_PROBE_SPECIFIC); cpu_idle_hook = phyp_cpu_idle; _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
