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| author | Simon Glass <sjg@chromium.org> | 2014-07-10 22:23:29 -0600 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2014-08-04 05:24:35 -0600 |
| commit | 76a1e584e10d14f1981f65376636ecff80bdc19b (patch) | |
| tree | 2e7415090101ac9940e1e23cc3997b9e65ce302f | |
| parent | aae2aef9c807a13ec9074efe48fae5bb5e3c6039 (diff) | |
| download | u-boot-imx-76a1e584e10d14f1981f65376636ecff80bdc19b.zip u-boot-imx-76a1e584e10d14f1981f65376636ecff80bdc19b.tar.gz u-boot-imx-76a1e584e10d14f1981f65376636ecff80bdc19b.tar.bz2 | |
arm: Support pre-relocation malloc()
Add support for re-relocation malloc() in arm's start-up code.
Signed-off-by: Simon Glass <sjg@chromium.org>
| -rw-r--r-- | README | 3 | ||||
| -rw-r--r-- | arch/arm/lib/crt0.S | 5 |
2 files changed, 7 insertions, 1 deletions
@@ -3752,6 +3752,9 @@ Configuration Settings: Pre-relocation malloc() is only supported on sandbox at present but is fairly easy to enable for other archs. + 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 |