[RFC PATCH 11/11] HACK! ARM: no, we don't enter in ARM
From: Uwe Kleine-König <hidden>
Date: 2012-01-22 11:13:37
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
... as a Cortex-M3 can only do Thumb-2 ... Signed-off-by: Uwe Kleine-K?nig <redacted> --- This probably needs a new Kconfig symbol as THUMB2_KERNEL doesn't have the right meaning. Something like "CPU_THUMB_ONLY"? --- arch/arm/kernel/head-nommu.S | 7 ++++--- 1 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/arch/arm/kernel/head-nommu.S b/arch/arm/kernel/head-nommu.S
index dba31af..bb94ce4 100644
--- a/arch/arm/kernel/head-nommu.S
+++ b/arch/arm/kernel/head-nommu.S@@ -32,13 +32,14 @@ * numbers for r1. * */ - .arm + + @.arm __HEAD ENTRY(stext) - THUMB( adr r9, BSYM(1f) ) @ Kernel is always entered in ARM. - THUMB( bx r9 ) @ If this is a Thumb-2 kernel, + @THUMB( adr r9, BSYM(1f) ) @ Kernel is always entered in ARM. + @THUMB( bx r9 ) @ If this is a Thumb-2 kernel, THUMB( .thumb ) @ switch to Thumb now. THUMB(1: )
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1.7.8.3