55df6fcf54
Add support for MMU protection regions that are smaller than TARGET_PAGE_SIZE. We do this by marking the TLB entry for those pages with a flag TLB_RECHECK. This flag causes us to always take the slow-path for accesses. In the slow path we can then special case them to always call tlb_fill() again, so we have the correct information for the exact address being accessed. This change allows us to handle reading and writing from small regions; we cannot deal with execution from the small region. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180620130619.11362-2-peter.maydell@linaro.org |
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user | ||
address-spaces.h | ||
cpu_ldst_template.h | ||
cpu_ldst_useronly_template.h | ||
cpu_ldst.h | ||
cpu-all.h | ||
cpu-common.h | ||
cpu-defs.h | ||
cputlb.h | ||
exec-all.h | ||
gdbstub.h | ||
gen-icount.h | ||
helper-gen.h | ||
helper-head.h | ||
helper-proto.h | ||
helper-tcg.h | ||
hwaddr.h | ||
ioport.h | ||
log.h | ||
memattrs.h | ||
memory_ldst_cached.inc.h | ||
memory_ldst_phys.inc.h | ||
memory_ldst.inc.h | ||
memory-internal.h | ||
memory.h | ||
poison.h | ||
ram_addr.h | ||
ramlist.h | ||
semihost.h | ||
softmmu-semi.h | ||
target_page.h | ||
tb-context.h | ||
tb-hash-xx.h | ||
tb-hash.h | ||
tb-lookup.h | ||
translator.h |