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armv7: do not relocate _start twice

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The _start symbol is already relocated, so do not add the relocation the second
time in c_runtime_cpu_setup.

This fixes e.g. the abort exception handling path, which ended in double fault
due to bad address in VBAR.

Signed-off-by: Vincent Stehlé <v-stehle@ti.com>
Reported-by: Lubomir Popov <lpopov@mm-sol.com>
This commit is contained in:
Vincent Stehlé 2013-03-15 06:54:00 +00:00 committed by Albert ARIBAUD
parent de63ac278c
commit d53e340edf
1 changed files with 0 additions and 1 deletions
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arch/arm/cpu/armv7/start.S
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@ -254,7 +254,6 @@ ENTRY(c_runtime_cpu_setup)
#if !defined(CONFIG_TEGRA)
/* Set vector address in CP15 VBAR register */
ldr r0, =_start
add r0, r0, r9
mcr p15, 0, r0, c12, c0, 0 @Set VBAR
#endif /* !Tegra */