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| author | Simon Glass <sjg@chromium.org> | 2013-02-28 19:26:13 +0000 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2013-03-04 15:57:38 -0800 |
| commit | 4b491b8ddeaaf6cf6a47d7102188c9a9c6b1b3d8 (patch) | |
| tree | 689d5d93e94f3a431555d05d9ecf280c7f2ae898 | |
| parent | bc2df1afb92435da6fb16310dac6b722bfaade9f (diff) | |
| download | olio-uboot-2014.01-4b491b8ddeaaf6cf6a47d7102188c9a9c6b1b3d8.tar.xz olio-uboot-2014.01-4b491b8ddeaaf6cf6a47d7102188c9a9c6b1b3d8.zip | |
x86: Add an __end symbol to signal the end of the U-Boot binary
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>
| -rw-r--r-- | arch/x86/cpu/u-boot.lds | 2 | ||||
| -rw-r--r-- | arch/x86/include/asm/u-boot-x86.h | 1 | ||||
| -rw-r--r-- | arch/x86/lib/init_helpers.c | 2 |
3 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/cpu/u-boot.lds b/arch/x86/cpu/u-boot.lds index 2313cd793..8e185f3b2 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 99062e595..948615d43 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 1a097f101..ff2d21f4c 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, |