With this symbol we can easy append something (e.g. an FDT) to the U-Boot binary and access it from within U-Boot.
Signed-off-by: Simon Glass sjg@chromium.org --- Changes in v2: - Use _end instead of __end to fit in with other archs
arch/x86/cpu/u-boot.lds | 2 ++ arch/x86/include/asm/u-boot-x86.h | 1 + arch/x86/lib/init_helpers.c | 2 +- 3 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/arch/x86/cpu/u-boot.lds b/arch/x86/cpu/u-boot.lds index 2313cd7..8e185f3 100644 --- a/arch/x86/cpu/u-boot.lds +++ b/arch/x86/cpu/u-boot.lds @@ -67,6 +67,8 @@ SECTIONS __rel_dyn_start = .; .rel.dyn : { *(.rel.dyn) } __rel_dyn_end = .; + . = ALIGN(4); + _end = .;
/DISCARD/ : { *(.dynstr*) } /DISCARD/ : { *(.dynamic*) } diff --git a/arch/x86/include/asm/u-boot-x86.h b/arch/x86/include/asm/u-boot-x86.h index 99062e5..948615d 100644 --- a/arch/x86/include/asm/u-boot-x86.h +++ b/arch/x86/include/asm/u-boot-x86.h @@ -31,6 +31,7 @@ extern ulong __rel_dyn_start; extern ulong __rel_dyn_end; extern ulong __bss_start; extern ulong __bss_end; +extern ulong _end;
/* cpu/.../cpu.c */ int x86_cpu_init_r(void); diff --git a/arch/x86/lib/init_helpers.c b/arch/x86/lib/init_helpers.c index 1a097f1..ff2d21f 100644 --- a/arch/x86/lib/init_helpers.c +++ b/arch/x86/lib/init_helpers.c @@ -188,7 +188,7 @@ int find_fdt(void) gd->fdt_blob = _binary_dt_dtb_start; #elif defined CONFIG_OF_SEPARATE /* FDT is at end of image */ - gd->fdt_blob = (void *)(_end_ofs + _TEXT_BASE); + gd->fdt_blob = (ulong *)&_end; #endif /* Allow the early environment to override the fdt address */ gd->fdt_blob = (void *)getenv_ulong("fdtcontroladdr", 16,