[U-Boot] [PATCH RFC] armv7: fixloop: don't fixup if location is NULL

[Wolfgang Denk]

Dear Minkyu Kang,

In message <AANLkTimvXwEBjUXQuwFyRwHb8y-oX-goCvpFcL1_1CCu at mail.gmail.com> you wrote:
> 
> Declared function pointer.
> 
> int (*test_func)(void);

This results in a symbol in bss segment, right?

> And then, set to NULL at arch_cpu_init()

Such an assignment is illegal then. Bss has not been initalized before
relocation, and must not be accessed (neither read nor write).

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
Extended Epstein-Heisenberg Principle: In an R & D orbit, only  2  of
the  existing 3 parameters can be defined simultaneously. The parame-
ters are: task, time and resources ($).