aarch64: Add ILP32 support.

Instead of setting a fix value of 48 allowed VA bits,
we distiguish between LP64 and ILP32.

Testsuite result with LP64:
Test suite summary: pass: 13/13, skip: 0/13, fail: 0/13

Testsuit result with ILP32:
Test suite summary: pass: 13/13, skip: 0/13, fail: 0/13

Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
This commit is contained in:
Christoph Muellner 2018-04-28 20:47:45 +02:00 committed by Qi Wang
parent 39b1b20499
commit 6df90600a7

View File

@ -412,7 +412,13 @@ AC_DEFINE_UNQUOTED([CPU_SPINWAIT], [$CPU_SPINWAIT])
case "${host_cpu}" in
aarch64)
AC_MSG_CHECKING([number of significant virtual address bits])
if test "x${ac_cv_sizeof_void_p}" = "x4" ; then
#aarch64 ILP32
LG_VADDR=32
else
#aarch64 LP64
LG_VADDR=48
fi
AC_MSG_RESULT([$LG_VADDR])
;;
x86_64)