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| author | Mike Frysinger <vapier@gentoo.org> | 2008-02-04 19:26:54 -0500 |
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| committer | Mike Frysinger <vapier@gentoo.org> | 2008-02-04 19:26:54 -0500 |
| commit | 4c58eb5552220e425c8af6ac8d2839244a2f57b1 (patch) | |
| tree | 4c98c4e1f2511d3f15c88e439c3af4e2991e1de4 /README | |
| parent | 32a9f5f2160a034ea87ea651b233ef7c635e55cf (diff) | |
| download | u-boot-imx-4c58eb5552220e425c8af6ac8d2839244a2f57b1.zip u-boot-imx-4c58eb5552220e425c8af6ac8d2839244a2f57b1.tar.gz u-boot-imx-4c58eb5552220e425c8af6ac8d2839244a2f57b1.tar.bz2 | |
add some more Blackfin docs
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'README')
| -rw-r--r-- | README | 5 |
1 files changed, 5 insertions, 0 deletions
@@ -3517,6 +3517,11 @@ For PowerPC, the following registers have specific use: average for all boards 752 bytes for the whole U-Boot image, 624 text + 127 data). +On Blackfin, the normal C ABI (except for P5) is followed as documented here: + http://docs.blackfin.uclinux.org/doku.php?id=application_binary_interface + + ==> U-Boot will use P5 to hold a pointer to the global data + On ARM, the following registers are used: R0: function argument word/integer result |