
+Tom
Hi Albert,
On 10 July 2014 22:23, Simon Glass sjg@chromium.org wrote:
Add support for re-relocation malloc() in arm's start-up code.
Signed-off-by: Simon Glass sjg@chromium.org
Changes in v3:
- Rebase on earlier patch
Can you please take a look at this patch? I would like to apply it to the dm repo.
Changes in v2: None
README | 3 +++ arch/arm/lib/crt0.S | 5 ++++- 2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/README b/README index 11e9d31..73abbf0 100644 --- a/README +++ b/README @@ -3749,6 +3749,9 @@ Configuration Settings: The memory will be freed (or in fact just forgotton) when U-Boot relocates itself.
Pre-relocation malloc() is only supported on ARM at present
but is fairly easy to enable for other archs.
- CONFIG_SYS_BOOTM_LEN: Normally compressed uImages are limited to an uncompressed size of 8 MBytes. If this is not enough,
diff --git a/arch/arm/lib/crt0.S b/arch/arm/lib/crt0.S index 43aa212..29cdad0 100644 --- a/arch/arm/lib/crt0.S +++ b/arch/arm/lib/crt0.S @@ -78,7 +78,10 @@ clr_gd: strlo r0, [r1] /* clear 32-bit GD word */ addlo r1, r1, #4 /* move to next */ blo clr_gd
+#if defined(CONFIG_SYS_MALLOC_F_LEN) && !defined(CONFIG_SPL_BUILD)
sub sp, sp, #CONFIG_SYS_MALLOC_F_LEN
str sp, [r9, #GD_MALLOC_BASE]
+#endif /* mov r0, #0 not needed due to above code */ bl board_init_f
-- 2.0.0.526.g5318336
Regards, Simon