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At early U-Boot stage, before relocation, MMU is not yet configured and disabled. DDR may not be configured with the correct memory attributes (can be configured in MT_DEVICE instead of MT_MEMORY). In this case, usage of memcpy_{from, to}io() may leads to synchronous abort in AARCH64 in case the normal memory address is not 64Bits aligned. To avoid such situation, forbid usage of normal memory cast to (u64 *) in case MMU is not enabled. Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com> Reviewed-by: Patrick Delaunay <patrick.delaunay@foss.st.com> Cc: mark.kettenis@xs4all.nl Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com> |
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arm11 | ||
arm720t | ||
arm920t | ||
arm926ejs | ||
arm946es | ||
arm1136 | ||
arm1176 | ||
armv7 | ||
armv7m | ||
armv8 | ||
pxa | ||
sa1100 | ||
Makefile | ||
u-boot-spl.lds | ||
u-boot.lds |