---------- Forwarded message ---------- From: Ajoy Das <dasajo...@gmail.com> Date: Tue, Dec 30, 2014 at 1:40 PM Subject: Re: [U-Boot] coreboot uboot qemu x86 To: U-Boot Mailing List <u-boot@lists.denx.de>
Hi Simon Can i do a gdb on u-boot startup on the coreboot environment. means i want to stop at _start in uboot and connect to gdb. Thanks Ajoy On Tue, Dec 30, 2014 at 11:15 AM, Ajoy Das <dasajo...@gmail.com> wrote: > I tried changing the boot rom size to 2MB. > But with no effect > > coreboot.rom: 2048 kB, bootblocksize 944, romsize 2097152, offset 0x0 > alignment: 64 bytes, architecture: x86 > > Name Offset Type Size > cmos_layout.bin 0x0 cmos_layout 1160 > fallback/romstage 0x4c0 stage 17960 > fallback/ramstage 0x4b40 stage 56190 > config 0x12700 raw 2990 > revision 0x13300 raw 692 > (empty) 0x13600 null 2016728 > HOSTCC cbfstool/rmodtool.o > > Thanks > Ajoy > > > > On Tue, Dec 30, 2014 at 4:17 AM, Simon Glass <s...@chromium.org> wrote: > >> Hi Ajoy, >> >> > On Mon, Dec 29, 2014 at 9:28 PM, Simon Glass <s...@chromium.org> wrote: >> > >> >> Hi Ajoy, >> >> >> >> >> >> > On Mon, Dec 29, 2014 at 7:36 PM, Simon Glass <s...@chromium.org> >> wrote: >> >> >> >> >> >> Hi, >> >> >> >> >> >> On 28 December 2014 at 21:38, Ajoy Das <dasajo...@gmail.com> wrote: >> >> >> > Hi >> >> >> > >> >> >> > Need Help >> >> >> > >> >> >> > I want to run U-BOOT as coreboot payload on QEMU platform >> >> >> > >> >> >> > I am on uboot-x86 git >> >> >> > >> >> >> > Compiled U-BOOT with make coreboot-x86_defconfig and make all >> >> >> > >> >> >> > Running qemu with >> >> >> > qemu-system-i386 -bios ../coreboot/build/coreboot.rom -hda >> disk.img >> >> >> > -nographic -m 1g >> >> >> > >> >> >> > But The system crashes with the following message >> >> >> > >> >> >> > qemu: fatal: Trying to execute code outside RAM or ROM at >> 0x5e2a36c2 >> >> >> > >> >> >> > Loading Segment: addr: 0x0000000001110000 memsz: >> 0x00000000000588e8 >> >> >> > filesz: >> >> >> > 0x00000000000252eb >> >> >> > lb: [0x0000000000100000, 0x000000000012b030) >> >> >> > Post relocation: addr: 0x0000000001110000 memsz: >> 0x00000000000588e8 >> >> >> > filesz: >> >> >> > 0x00000000000252eb >> >> >> > using LZMA >> >> >> > [ 0x01110000, 011688e8, 0x011688e8) <- fffd2770 >> >> >> > dest 01110000, end 011688e8, bouncebuffer 3ff77000 >> >> >> > Loaded segments >> >> >> > Jumping to boot code at 01110015 >> >> >> > CPU0: stack: 00126000 - 00127000, lowest used address 00126b8c, >> stack >> >> >> > used: >> >> >> > 1140 bytes >> >> >> > entry = 0x01110015 >> >> >> > lb_start = 0x00100000 >> >> >> > lb_size = 0x0002b030 >> >> >> > buffer = 0x3ff77000 >> >> >> > qemu: fatal: Trying to execute code outside RAM or ROM at >> 0x5e2a36c2 >> >> >> > >> >> >> > EAX=0000000a EBX=000186a0 ECX=01145d15 EDX=19203eb0 >> >> >> > ESI=00000000 EDI=00000000 EBP=01145f6c ESP=01145f54 >> >> >> > EIP=5e2a36c2 EFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 >> >> >> > ES =0018 00000000 ffffffff 00cf9300 DPL=0 DS [-WA] >> >> >> > CS =0010 00000000 ffffffff 00cf9b00 DPL=0 CS32 [-RA] >> >> >> > SS =0018 00000000 ffffffff 00cf9300 DPL=0 DS [-WA] >> >> >> > DS =0018 00000000 ffffffff 00cf9300 DPL=0 DS [-WA] >> >> >> > FS =0020 19203f5c ffffffff 00cf9300 DPL=0 DS [-WA] >> >> >> > GS =0018 00000000 ffffffff 00cf9300 DPL=0 DS [-WA] >> >> >> > LDT=0000 00000000 0000ffff 00008200 DPL=0 LDT >> >> >> > TR =0000 00000000 0000ffff 00008b00 DPL=0 TSS32-busy >> >> >> > GDT= 19203e60 00000047 >> >> >> > IDT= 00000000 00000000 >> >> >> > CR0=60000033 CR2=00000000 CR3=00000000 CR4=00000000 >> >> >> > DR0=00000000 DR1=00000000 DR2=00000000 DR3=00000000 >> >> >> > DR6=ffff0ff0 DR7=00000400 >> >> >> > CCS=00000218 CCD=01145f50 CCO=ADDL >> >> >> > EFER=0000000000000000 >> >> >> > FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 >> >> >> > FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 >> >> >> > FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 >> >> >> > FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 >> >> >> > FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 >> >> >> > XMM00=00000000000000000000000000000000 >> >> >> > XMM01=00000000000000000000000000000000 >> >> >> > XMM02=00000000000000000000000000000000 >> >> >> > XMM03=00000000000000000000000000000000 >> >> >> > XMM04=00000000000000000000000000000000 >> >> >> > XMM05=00000000000000000000000000000000 >> >> >> > XMM06=00000000000000000000000000000000 >> >> >> > XMM07=00000000000000000000000000000000 >> >> >> > Aborted (core dumped) >> >> >> > >> >> >> > qemu-system-i386 --version >> >> >> > QEMU emulator version 1.0 (qemu-kvm-1.0), Copyright (c) 2003-2008 >> >> >> > Fabrice >> >> >> > Bellard >> >> >> > >> >> >> > Is QEMU not supported for coreboot and u-boot >> >> >> >> >> >> I'm not sure it's been tried but there's no reason why it should >> work. >> >> >> It seems to be crashing in U-Boot before there is any serial output. >> >> >> Did you put u-boot-dtb.bin as the payload? >> >> >> On 29 December 2014 at 07:34, Ajoy Das <dasajo...@gmail.com> wrote: >> >> > Hi Simon >> >> > >> >> > Thanks for your reply >> >> > >> >> > I have added u-boot ELF as the coreboot payload >> >> > >> >> > u-boot: ELF 32-bit LSB shared object, Intel 80386, version 1 (SYSV), >> >> > statically linked, not stripped. >> >> > >> >> > Got this link but its a year old. >> >> > http://lists.denx.de/pipermail/u-boot/2013-July/159140.html >> >> > >> >> > Thanks >> >> > Ajoy >> >> > >> >> >> [snip] >> >> >> >> I suggest using cbfstool add-flat-binary -f u-boot-dtb.bin -n >> >> fallback/payload -c lzma -l <text_base> -e <entry> >> >> >> >> For text_base use CONFIG_SYS_TEXT_BASE which is probably 1110000 >> >> >> >> For entry use _start which is probably 1110015. >> >> >> >> Of course I'm not sure whether your problem is with Coreboot, U-Boot >> >> or qemu, but we'll see. >> >> >> >> Also, please can you reply to the list with instructions when you get >> >> it working, or send a patch to doc/README.x86. >> >> PLEASE add your reply below mine, not above. I have gone to the >> trouble of rearranging the thread for this email. >> >> Also leave me on Cc otherwise I might not see your reply. >> >> On 29 December 2014 at 14:31, Ajoy Das <dasajo...@gmail.com> wrote: >> > Hi Simon >> > >> > I executed the commands mentioned above. But getting LZMA decode error >> on >> > coreboot >> > >> > coreboot.rom: 256 kB, bootblocksize 944, romsize 262144, offset 0x0 >> > alignment: 64 bytes, architecture: x86 >> > >> > Name Offset Type Size >> > cmos_layout.bin 0x0 cmos_layout 1160 >> > fallback/romstage 0x4c0 stage 17960 >> > fallback/ramstage 0x4b40 stage 56161 >> > config 0x12700 raw 2986 >> > revision 0x13300 raw 692 >> > (empty) 0x13600 null 181720 >> > >> > >> > >> > ./cbfstool ../../coreboot.rom add-flat-binary >> > -v >> > -f /home/ajoy/CISCO-2/uboot/u-boot/u-boot-dtb.bin >> > -n fallback/payload >> > -c lzma >> > -l 01110000 >> > -e 1110015 >> > >> > fallback/payload 0x13600 payload 173965 >> > code (LZMA compression, offset: 0x38, load: 0x49000, length: >> > 173909/391062) >> > entry (0x10efff) >> > (empty) 0x3de00 null 7640 >> > >> > >> > Wrote coreboot table at: 3ffce000, 0x154 bytes, checksum 8ea6 >> > coreboot table: 364 bytes. >> > CBMEM ROOT 0. 3ffff000 00001000 >> > CAR GLOBALS 1. 3fffe000 00001000 >> > ROMSTAGE 2. 3fffd000 00001000 >> > GDT 3. 3fffc000 00001000 >> > IRQ TABLE 4. 3fffb000 00001000 >> > ACPI 5. 3ffd7000 00024000 >> > SMBIOS 6. 3ffd6000 00001000 >> > COREBOOT 7. 3ffce000 00008000 >> > CBFS: located payload @ fffd3638, 173965 bytes. >> > Loading segment from rom address 0xfffd3638 >> > code (compression=1) >> > New segment dstaddr 0x49000 memsize 0x5f796 srcaddr 0xfffd3670 >> filesize >> > 0x2a755 >> > (cleaned up) New segment addr 0x49000 size 0x5f796 offset 0xfffd3670 >> > filesize 0x2a755 >> > Loading segment from rom address 0xfffd3654 >> > Entry Point 0x0010efff >> > Payload being loaded below 1MiB without region being marked as RAM >> usable. >> > Bounce Buffer at 3ff77000, 352352 bytes >> > Loading Segment: addr: 0x0000000000049000 memsz: 0x000000000005f796 >> filesz: >> > 0x000000000002a755 >> > lb: [0x0000000000100000, 0x000000000012b030) >> > Post relocation: addr: 0x0000000000049000 memsz: 0x000000000005f796 >> filesz: >> > 0x000000000002a755 >> > using LZMA >> > lzma: Decoding error = 1 >> > Could not load payload >> >> Do you really have a 256KB ROM? That seems much too small to hold >> Coreboot and U-Boot. It looks like U-Boot alone is 173KB. >> >> Regards, >> Simon >> > Hi Simon I have build tested the same by increasing the ROM size to 2MB but with no effect. Can I stop (using GDB) at the U-BOOT startup code after the control is transferred from coreboot to u-boot Any other suggestion Thanks Ajoy
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