> Date: Thu, 17 Apr 2025 17:56:13 -0500 > From: joshua stein <j...@jcs.org> > > On Wed, 16 Apr 2025 at 11:54:57 +0200, Mark Kettenis wrote: > > You're accessing the UART registers using their physical address. But > > as soon as you turn on the MMU you need a virtiual address. So you'll > > need to create an appropriate MMU mapping for the UART. > > > > Adding an appropriate entry to mmu_init_table in armv7/locore0.S might > > work. Make sure this is a device mapping. > > Thanks Mark, that was what I needed. > > I fixed things in U-boot and was able to remove the uart debugging. > Now it boots but if I don't cap the 207995@0x68008000 memory segment > to 134953 in initarm, it hangs after printing the copyright during > the memset in uvm_page_init.
Could be a u-boot bug. Check that all the free regions in the EFI memory map are really free? > Found EFI removable media binary efi/boot/bootarm.efi > reading efi/boot/bootarm.efi > 119564 bytes read in 15 ms (7.6 MiB/s) > ## Starting EFI application at 62008000 ... > FtlInit fffffffe > Scanning disk na...@10500000.blk... > Scanning disk dw...@10214000.blk... > Scanning disk dw...@1021c000.blk... > Found 3 disks > Adding bank: 0x60000000 - 0xa0000000 (size: 0x40000000) > disks: sd0* sd1 sd2 > >> OpenBSD/armv7 BOOTARM 1.23 > boot> > cannot open sd0a:/etc/random.seed: No such file or directory > booting sd0a:/bsd: 4909756+1013220+142444+609912 > [2789927+360416+184+330342]=0x0 > > OpenBSD/armv7 booting ... > arg0 0xc0cb0b10 arg1 0x0 arg2 0x9ac83000 > Allocating page tables > IRQ stack: p0x60cdf000 v0xc0cdf000 > ABT stack: p0x60ce0000 v0xc0ce0000 > UND stack: p0x60ce1000 v0xc0ce1000 > SVC stack: p0x60ce2000 v0xc0ce2000 > Creating L1 page table at 0x60cb4000 > Mapping kernel > Constructing L2 page tables > undefined page type 0x2 pa 0x60000000 va 0x60000000 pages 0x2000 attr 0x8 > type 0x7 pa 0x62000000 va 0x60000000 pages 0x6000 attr 0x8 > initarm: added 24576 pages at 0x62000000, physmem now 32768 > type 0x4 pa 0x68000000 va 0x68000000 pages 0x7 attr 0x8 > type 0x7 pa 0x68008000 va 0x60000000 pages 0x32c7b attr 0x8 > initarm: added 134953 pages at 0x68008000, physmem now 167721 > type 0x2 pa 0x9ac83000 va 0x9ac83000 pages 0x7 attr 0x8 > type 0x7 pa 0x9ac8a000 va 0x9ac8a000 pages 0x4 attr 0x8 > type 0x7 pa 0x9ac8e000 va 0x9ac8e000 pages 0x2 attr 0x8 > type 0x7 pa 0x9ac90000 va 0x9ac90000 pages 0x1 attr 0x8 > type 0x2 pa 0x9ac91000 va 0x9ac91000 pages 0x100 attr 0x8 > type 0x2 pa 0x9ad91000 va 0x9ad91000 pages 0x1e attr 0x8 > type 0x6 pa 0x9adaf000 va 0x9adaf000 pages 0x1 attr 0x8000000000000008 > type 0x0 pa 0x9adb0000 va 0x9adb0000 pages 0x1 attr 0x8 > type 0x0 pa 0x9adb1000 va 0x9adb1000 pages 0x1 attr 0x8 > type 0x0 pa 0x9adb2000 va 0x9adb2000 pages 0x1 attr 0x8 > type 0x0 pa 0x9adb3000 va 0x9adb3000 pages 0x1 attr 0x8 > type 0x0 pa 0x9adb4000 va 0x9adb4000 pages 0x1 attr 0x8 > type 0x0 pa 0x9adb5000 va 0x9adb5000 pages 0x1 attr 0x8 > type 0x0 pa 0x9adb6000 va 0x9adb6000 pages 0x1 attr 0x8 > type 0x2 pa 0x9adb7000 va 0x9adb7000 pages 0x308c attr 0x8 > type 0x5 pa 0x9de43000 va 0x9de43000 pages 0x1 attr 0x8000000000000008 > type 0x2 pa 0x9de44000 va 0x9adb7000 pages 0x21bc attr 0x8 > pmap [ using 3481644 bytes of bsd ELF symbol table ] > Copyright (c) 1982, 1986, 1989, 1991, 1993 > The Regents of the University of California. All rights reserved. > Copyright (c) 1995-2025 OpenBSD. All rights reserved. https://www.OpenBSD.org > > OpenBSD 7.7 (obj.amd64.armv7) #105: Thu Apr 17 17:49:30 CDT 2025 > j...@nano.jcs.org:/usr/src/sys/arch/armv7/compile/GENERIC/obj.amd64.armv7 > real mem = 686985216 (655MB) > avail mem = 661409792 (630MB) > random: boothowto does not indicate good seed > mainbus0 at root: KING JIM Pomera DM250 > cortex0 at mainbus0 > psci0 at mainbus0: PSCI 0.0 > syscon0 at mainbus0: can't map registers > syscon1 at mainbus0: "syscon" > ampintc0 at mainbus0 nirq 160, ncpu 4: "interrupt-controller" > syscon2 at mainbus0: "syscon" > agtimer0 at mainbus0: 24000 kHz > agtimer1 at mainbus0: 24000 kHz > com0 at mainbus0: dw16550, 64 byte fifo > com0: probed fifo depth: 0 bytes > com1 at mainbus0: dw16550 > com1: console > com2 at mainbus0: dw16550 > ehci0 at mainbus0 > usb0 at ehci0: USB revision 2.0 > uhub0 at usb0 configuration 1 interface 0 "Generic EHCI root hub" rev > 2.00/1.00 addr 1 > ohci0 at mainbus0: version 1.0 > dwmmc0 at mainbus0: 18 MHz base clock > sdmmc0 at dwmmc0: 4-bit, dma > dwmmc1 at mainbus0: 25 MHz base clock > sdmmc1 at dwmmc1: 8-bit, dma > rkiic0 at mainbus0 > iic0 at rkiic0 > "rockchip,rk818" at iic0 addr 0x1c not configured > rkiic1 at mainbus0 > iic1 at rkiic1 > pcxrtc0 at iic1 addr 0x51pcxrtc0: pcxrtc_reg_read: failed to read reg0 > pcxrtc0: pcxrtc_reg_write: failed to write reg0 > pcxrtc0: pcxrtc_reg_read: failed to read reg2 > : battery ok > rkiic2 at mainbus0 > iic2 at rkiic2 > rkiic3 at mainbus0 > iic3 at rkiic3 > usb1 at ohci0: USB revision 1.0 > uhub1 at usb1 configuration 1 interface 0 "Generic OHCI root hub" rev > 1.00/1.00 addr 1 > scsibus0 at sdmmc0: 2 targets, initiator 0 > sd0 at scsibus0 targ 1 lun 0: <Sandisk, SL32G, 0080> removable > sd0: 30436MB, 512 bytes/sector, 62333952 sectors > scsibus1 at sdmmc1: 2 targets, initiator 0 > sd1 at scsibus1 targ 1 lun 0: <Toshiba, 008GB1, 0000> removable > sd1: 7456MB, 512 bytes/sector, 15269888 sectors > vscsi0 at root > scsibus2 at vscsi0: 256 targets > softraid0 at root > scsibus3 at softraid0: 256 targets > bootfile: sd0a:/bsd > boot device: sd0 > > >
