jmcneill@ wrote: > On Wed, 31 Oct 2018, Taylor R Campbell wrote: > > > For the moment, as a provisional workaround to make progress, you can > > probably get by with `pa << PGSHIFT', where pa is the physical (byte) > > I think this should be `pa >> PGSHIFT`, or even better use `atop(pa)`.
Some MACHINE_ARCHs use paddr_t for an mmap cookie: https://nxr.netbsd.org/xref/src/sys/dev/usb/udl.c?r=1.22#675 --- 675 /* XXX we need MI paddr_t -> mmap cookie API */ 676 #if defined(__aarch64__) 677 #define PTOMMAP(paddr) aarch64_btop((char *)paddr) 678 #elif defined(__alpha__) 679 #define PTOMMAP(paddr) alpha_btop((char *)paddr) 680 #elif defined(__arm__) 681 #define PTOMMAP(paddr) arm_btop((u_long)paddr) 682 #elif defined(__hppa__) 683 #define PTOMMAP(paddr) btop((u_long)paddr) 684 #elif defined(__i386__) || defined(__x86_64__) 685 #define PTOMMAP(paddr) x86_btop(paddr) 686 #elif defined(__m68k__) 687 #define PTOMMAP(paddr) m68k_btop((char *)paddr) 688 #elif defined(__mips__) 689 #define PTOMMAP(paddr) mips_btop(paddr) 690 #elif defined(__powerpc__) 691 #define PTOMMAP(paddr) (paddr) 692 #elif defined(__sh__) 693 #define PTOMMAP(paddr) sh3_btop(paddr) 694 #elif defined(__sparc__) 695 #define PTOMMAP(paddr) (paddr) 696 #elif defined(__sparc64__) 697 #define PTOMMAP(paddr) atop(paddr) 698 #elif defined(__vax__) 699 #define PTOMMAP(paddr) btop((u_int)paddr) 700 #endif 701 702 return PTOMMAP(paddr); --- Izumi Tsutsui
