35 lines
1.2 KiB
Diff
35 lines
1.2 KiB
Diff
From 6ecb8a23ca294de5ef92726c782f4c92fcb39d92 Mon Sep 17 00:00:00 2001
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From: Huang Shijie <shijie@os.amperecomputing.com>
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Date: Fri, 11 Feb 2022 09:46:42 +0000
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Subject: [PATCH] arm64: Use CONFIG_ARM64_VA_BITS to initialize VA_BITS_ACTUAL
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We can get VA_BITS_ACTUAL from CONFIG_ARM64_VA_BITS by guess.
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Without this patch, we may need to use "--machdep vabits_actual=48" to
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set the VA_BITS_ACTUAL.
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Signed-off-by: Huang Shijie <shijie@os.amperecomputing.com>
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---
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arm64.c | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/arm64.c b/arm64.c
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index 4f2c2b5..de1038a 100644
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--- a/arm64.c
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+++ b/arm64.c
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@@ -4170,6 +4170,11 @@ arm64_calc_VA_BITS(void)
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} else if (machdep->machspec->VA_BITS_ACTUAL) {
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machdep->machspec->VA_BITS = machdep->machspec->VA_BITS_ACTUAL;
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machdep->machspec->VA_START = _VA_START(machdep->machspec->VA_BITS_ACTUAL);
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+ } else if (machdep->machspec->CONFIG_ARM64_VA_BITS) {
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+ /* guess */
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+ machdep->machspec->VA_BITS_ACTUAL = machdep->machspec->CONFIG_ARM64_VA_BITS;
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+ machdep->machspec->VA_BITS = machdep->machspec->CONFIG_ARM64_VA_BITS;
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+ machdep->machspec->VA_START = _VA_START(machdep->machspec->VA_BITS_ACTUAL);
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} else
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error(FATAL, "cannot determine VA_BITS_ACTUAL\n");
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}
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--
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2.31.1
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