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| author | Aneesh V <aneesh@ti.com> | 2012-03-08 07:20:19 +0000 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-05-15 08:31:26 +0200 |
| commit | 5356f5451e85695cf8f9782dee54cc8dfa5445e5 (patch) | |
| tree | 17ec91695ba5ed4845801b66fa5de31f46d3d868 /README | |
| parent | 74236acacc27168102b2e3fbcac3a80e5ed82fe4 (diff) | |
| download | u-boot-imx-5356f5451e85695cf8f9782dee54cc8dfa5445e5.zip u-boot-imx-5356f5451e85695cf8f9782dee54cc8dfa5445e5.tar.gz u-boot-imx-5356f5451e85695cf8f9782dee54cc8dfa5445e5.tar.bz2 | |
ARM: enable Thumb build
Enable Thumb build and ARM-Thumb interworking based on the new
config flag CONFIG_SYS_THUMB_BUILD
Signed-off-by: Aneesh V <aneesh@ti.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'README')
| -rw-r--r-- | README | 8 |
1 files changed, 8 insertions, 0 deletions
@@ -432,6 +432,14 @@ The following options need to be configured: Select high exception vectors of the ARM core, e.g., do not clear the V bit of the c1 register of CP15. + CONFIG_SYS_THUMB_BUILD + + Use this flag to build U-Boot using the Thumb instruction + set for ARM architectures. Thumb instruction set provides + better code density. For ARM architectures that support + Thumb2 this flag will result in Thumb2 code generated by + GCC. + - Linux Kernel Interface: CONFIG_CLOCKS_IN_MHZ |