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authorGabe Black <gabeblack@chromium.com>2013-01-17 22:26:36 -0800
committerRonald G. Minnich <rminnich@gmail.com>2013-01-18 22:14:14 +0100
commit929f9f171944082240c04507b3f6ac1b0a2c6b1e (patch)
tree8c690d08c8b8d0a6f893aef31262a58ac1bf87e5 /documentation
parentfba42a793a67d8910b4ab7fdfb386bcda9896d13 (diff)
armv7: add a wrapper for romstage's main() for ARM ISA
This adds a wrapper around main() in romstage which is compiled using -marm. This assumes that the bootblock branches to romstage in ARM mode. The long-term idea is to enforce ABI compatibility when handing off to the next stage by using shims which are which are compiled in a pre- determiend manner and leave the main portions of each stage up to whatever the compiler wants. So it will eventually look like this: 1. bootblock_main (ARM/Thumb) 2. bootblock_exit (ARM) 3. romstage_entry (ARM) 4. romstage_main (ARM/Thumb) (credit to Gabe Black for writing the patch, I'm just uploading it) Change-Id: I4fdb8d2c6c2c0a7178bcb9154c378ddce0567309 Signed-off-by: David Hendricks <dhendrix@chromium.org> Signed-off-by: Gabe Black <gabeblack@chromium.org> Reviewed-on: http://review.coreboot.org/2175 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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