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| author | Stefano Babic <sbabic@denx.de> | 2014-08-08 10:18:40 +0200 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2014-08-08 10:18:40 +0200 |
| commit | c23154aab5825fec81d5500c53eaa686646c76b5 (patch) | |
| tree | 32b0aafae49f664a65ced50981492bb031f006b8 /README | |
| parent | cb07d74e2e0c0a41533b6bcd551af9bf2ebcf2bc (diff) | |
| parent | 9d195a546179bc732aba9eacccf0a9a3db591288 (diff) | |
| download | blackbird-obmc-uboot-c23154aab5825fec81d5500c53eaa686646c76b5.tar.gz blackbird-obmc-uboot-c23154aab5825fec81d5500c53eaa686646c76b5.zip | |
Merge branch 'master' of git://git.denx.de/u-boot-arm
Diffstat (limited to 'README')
| -rw-r--r-- | README | 16 |
1 files changed, 16 insertions, 0 deletions
@@ -3751,6 +3751,22 @@ Configuration Settings: - CONFIG_SYS_MALLOC_LEN: Size of DRAM reserved for malloc() use. +- CONFIG_SYS_MALLOC_F_LEN + Size of the malloc() pool for use before relocation. If + this is defined, then a very simple malloc() implementation + will become available before relocation. The address is just + below the global data, and the stack is moved down to make + space. + + This feature allocates regions with increasing addresses + within the region. calloc() is supported, but realloc() + is not available. free() is supported but does nothing. + The memory will be freed (or in fact just forgotton) when + U-Boot relocates itself. + + Pre-relocation malloc() is only supported on sandbox + 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, |
