On Fri, Jun 07, 2024 at 06:51:20PM +0200, Caleb Connolly wrote: > Add a basic software implementation of the ARM64 pagetable walker. This > can be used for debugging U-Boot's pagetable, as well as dumping the > pagetable from the previous bootloader stage if it used one (by reading > out the ttbr address). > > One can either call dump_pagetable() to print the pagetable to the > console with the default formatter, or implement their own pagetable > handler using walke_pagetable() with a custom pte_walker_cb_t callback. > > Signed-off-by: Caleb Connolly <caleb.conno...@linaro.org> > --- > arch/arm/cpu/armv8/cache_v8.c | 202 > +++++++++++++++++++++++++++++++++++++++ > arch/arm/include/asm/armv8/mmu.h | 55 +++++++++++ > 2 files changed, 257 insertions(+)
So, I assume that by default, all of this gets discarded as unused code and that's why it's not behind a Kconfig. Next, please add something under maybe doc/arch/ or doc/develop (I'm honestly not sure which is best) that documents all of this. Thanks! -- Tom
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