37 lines
1.2 KiB
Diff
37 lines
1.2 KiB
Diff
From d1c8ef9a15ddaadd5848949b0958a803fc844674 Mon Sep 17 00:00:00 2001
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From: Lulu Cheng <chenglulu@loongson.cn>
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Date: Mon, 7 Aug 2023 13:07:05 +0200
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Subject: [PATCH 003/123] Libvtv: Add loongarch support.
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The loongarch64 specification permits page sizes of 4KiB, 16KiB and 64KiB,
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but only 16KiB pages are supported for now.
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Co-Authored-By: qijingwen <qijingwen@loongson.cn>
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include/
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* vtv-change-permission.h (defined): Determines whether the macro
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__loongarch_lp64 is defined
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(VTV_PAGE_SIZE): Set VTV_PAGE_SIZE to 16KiB for loongarch64.
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---
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include/vtv-change-permission.h | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/include/vtv-change-permission.h b/include/vtv-change-permission.h
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index 5906e7d7..ffb53125 100644
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--- a/include/vtv-change-permission.h
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+++ b/include/vtv-change-permission.h
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@@ -48,6 +48,10 @@ extern void __VLTChangePermission (int);
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#else
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#if defined(__sun__) && defined(__svr4__) && defined(__sparc__)
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#define VTV_PAGE_SIZE 8192
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+#elif defined(__loongarch_lp64)
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+/* The page size is configurable by the kernel to be 4, 16 or 64 KiB.
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+ For now, only the default page size of 16KiB is supported. */
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+#define VTV_PAGE_SIZE 16384
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#else
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#define VTV_PAGE_SIZE 4096
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#endif
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--
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2.33.0
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