[Crash-utility] [PATCH] arm64: Use CONFIG_ARM64_VA_BITS to initialize VA_BITS_ACTUAL
For DISKDUMP case, we can get VA_BITS_ACTUAL from CONFIG_ARM64_VA_BITS.
Without this patch, we may have to use "--machdep vabits_actual=48" to
set the VA_BITS_ACTUAL.
Signed-off-by: Huang Shijie <shijie(a)os.amperecomputing.com>
---
arm64.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arm64.c b/arm64.c
index 4f2c2b5..2b3ec02 100644
--- a/arm64.c
+++ b/arm64.c
@@ -4170,6 +4170,12 @@ arm64_calc_VA_BITS(void)
} else if (machdep->machspec->VA_BITS_ACTUAL) {
machdep->machspec->VA_BITS = machdep->machspec->VA_BITS_ACTUAL;
machdep->machspec->VA_START =
_VA_START(machdep->machspec->VA_BITS_ACTUAL);
+ } else if (pc->flags & DISKDUMP) {
+ if (machdep->machspec->CONFIG_ARM64_VA_BITS) {
+ machdep->machspec->VA_BITS_ACTUAL =
machdep->machspec->CONFIG_ARM64_VA_BITS;
+ machdep->machspec->VA_BITS = machdep->machspec->CONFIG_ARM64_VA_BITS;
+ machdep->machspec->VA_START =
_VA_START(machdep->machspec->VA_BITS_ACTUAL);
+ }
} else
error(FATAL, "cannot determine VA_BITS_ACTUAL\n");
}
--
2.30.2