Hi Christian, On Tue, Mar 20, 2018 at 9:18 PM, Christian Gmeiner <christian.gmei...@gmail.com> wrote: > The section header address is a VMA whereas the address found in > the program header is a physical one. With this change it is > possible to load and start a vx7 intel generic based image. > > $ readelf -l /tmp/vx7 > > Elf file type is EXEC (Executable file) > Entry point 0x408000 > There are 2 program headers, starting at offset 52 > > Program Headers: > Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align > LOAD 0x001000 0x00408000 0x00408000 0x04000 0x04000 RWE 0x1000 > LOAD 0x005000 0xe040c000 0x0040c000 0x583a84 0x5ccc70 RWE 0x1000 > > Section to Segment mapping: > Segment Sections... > 00 .text.locore .data.locore > 01 .text .eh_frame .wrs_build_vars .data .tls_data .tls_vars .bss > > $ readelf -S /tmp/vx7 > There are 13 section headers, starting at offset 0x588af8: > > Section Headers: > [Nr] Name Type Addr Off Size ES Flg Lk Inf > Al > [ 0] NULL 00000000 000000 000000 00 0 0 > 0 > [ 1] .text.locore PROGBITS 00408000 001000 00011e 00 AX 0 0 > 16 > [ 2] .data.locore PROGBITS 00409000 002000 003000 00 WA 0 0 > 4096 > [ 3] .text PROGBITS e040c000 005000 4802a0 00 WAX 0 0 > 32 > [ 4] .eh_frame PROGBITS e088c2a0 4852a0 0a1ed0 00 A 0 0 > 4 > [ 5] .wrs_build_vars PROGBITS e092e170 527170 000190 00 Ax 0 0 > 1 > [ 6] .data PROGBITS e092f000 528000 060a70 00 WA 0 0 > 4096 > [ 7] .tls_data PROGBITS e098fa70 588a70 000004 00 A 0 0 > 4 > [ 8] .tls_vars PROGBITS e098fa78 588a78 00000c 00 WA 0 0 > 4 > [ 9] .bss NOBITS e098faa0 588a84 0491d0 00 WA 0 0 > 32 > [10] .shstrtab STRTAB 00000000 588a84 000074 00 0 0 > 1 > [11] .symtab SYMTAB 00000000 588d00 056ee0 10 12 > 9758 4 > [12] .strtab STRTAB 00000000 5dfbe0 05f48a 00 0 0 > 1 > Key to Flags: > W (write), A (alloc), X (execute), M (merge), S (strings) > I (info), L (link order), G (group), T (TLS), E (exclude), x (unknown) > O (extra OS processing required) o (OS specific), p (processor specific) > > For completeness here are the same information for an old vx5 based image. > After > this change it is possible to boot vx5 and vx7 (intel generic) images. > > $ readelf -l /tmp/vx5 > > Elf file type is EXEC (Executable file) > Entry point 0x308000 > There are 1 program headers, starting at offset 52 > > Program Headers: > Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align > LOAD 0x000060 0x00308000 0x00308000 0x3513a0 0x757860 RWE 0x20 > > Section to Segment mapping: > Segment Sections... > 00 .text .data .bss > [christian@chgm-pc ~]$ readelf -S /tmp/vx5 > There are 12 section headers, starting at offset 0x356580: > > Section Headers: > [Nr] Name Type Addr Off Size ES Flg Lk Inf > Al > [ 0] NULL 00000000 000000 000000 00 0 0 > 0 > [ 1] .text PROGBITS 00308000 000060 319b10 00 WAX 0 0 > 32 > [ 2] .data PROGBITS 00621b20 319b80 037880 00 WA 0 0 > 32 > [ 3] .bss NOBITS 006593a0 351400 4064c0 00 WA 0 0 > 16 > [ 4] .debug_aranges PROGBITS 00000000 351400 000060 00 0 0 > 1 > [ 5] .debug_pubnames PROGBITS 00000000 351460 00018b 00 0 0 > 1 > [ 6] .debug_info PROGBITS 00000000 3515eb 003429 00 0 0 > 1 > [ 7] .debug_abbrev PROGBITS 00000000 354a14 000454 00 0 0 > 1 > [ 8] .debug_line PROGBITS 00000000 354e68 0016a4 00 0 0 > 1 > [ 9] .shstrtab STRTAB 00000000 35650c 000071 00 0 0 > 1 > [10] .symtab SYMTAB 00000000 356760 0440e0 10 11 8574 > 4 > [11] .strtab STRTAB 00000000 39a840 03e66c 00 0 0 > 1 > Key to Flags: > W (write), A (alloc), X (execute), M (merge), S (strings) > I (info), L (link order), G (group), T (TLS), E (exclude), x (unknown) > O (extra OS processing required) o (OS specific), p (processor specific) > > Signed-off-by: Christian Gmeiner <christian.gmei...@gmail.com> > --- > cmd/elf.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) >
Thanks for the patch. Did you verify booting a VxWorks 6.x kernel? Last time I tested 'bootvx' was on Intel Galileo board with VxWorks 7. I will find some time to test this patch. Regards, Bin _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
