From 5356f5451e85695cf8f9782dee54cc8dfa5445e5 Mon Sep 17 00:00:00 2001 From: Aneesh V Date: Thu, 8 Mar 2012 07:20:19 +0000 Subject: 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 Acked-by: Mike Frysinger --- README | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'README') diff --git a/README b/README index 79016e690a..6919392dca 100644 --- a/README +++ b/README @@ -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 -- cgit v1.2.1