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JUMPING TO A SECOND PROGRAM FROM A BOOT LOADERJUMPING TO A SECOND PROGRAM FROM A BOOT LOADER

Note: This was originally posted on 18th January 2011 at http://forums.arm.com

I have an application that is separated into two parts that are compiled and linked separately. Part 1 is a "Bootstrap Program", reside in NVRAM in the processor that checks to see if Part 2 "The Application" which is reside in the external flash is present at address 0x3C000000. After execution of Part 1 my program should jump to address 0x3C000000 which is reside in external flash.

How do I do this?

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Simon Craske over 12 years ago

Note: This was originally posted on 18th January 2011 at http://forums.arm.com

If you're using C, you could try:

void goto_flash(void) { ((void(*)(void))0x3C000001)(); }
Note that the final "1" indicates that the target is in Thumb; if the target is in ARM then this should be changed to "0".

hth
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Simon Craske over 12 years ago

Note: This was originally posted on 18th January 2011 at http://forums.arm.com

If you're using C, you could try:

void goto_flash(void) { ((void(*)(void))0x3C000001)(); }
Note that the final "1" indicates that the target is in Thumb; if the target is in ARM then this should be changed to "0".

hth
s.
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