60 lines
1.7 KiB
Diff
60 lines
1.7 KiB
Diff
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From 62ea18c632200edbbf46b4e957bc4d997f1c66f0 Mon Sep 17 00:00:00 2001
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From: Lulu Cheng <chenglulu@loongson.cn>
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Date: Tue, 27 Sep 2022 15:28:43 +0800
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Subject: [PATCH 024/124] 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/ChangeLog:
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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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libvtv/ChangeLog:
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* configure.tgt: Add loongarch support.
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Signed-off-by: Peng Fan <fanpeng@loongson.cn>
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Signed-off-by: ticat_fp <fanpeng@loongson.cn>
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---
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include/vtv-change-permission.h | 4 ++++
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libvtv/configure.tgt | 3 +++
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2 files changed, 7 insertions(+)
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diff --git a/include/vtv-change-permission.h b/include/vtv-change-permission.h
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index 70bdad92b..e7b9294a0 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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diff --git a/libvtv/configure.tgt b/libvtv/configure.tgt
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index aa2a3f675..6cdd1e97a 100644
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--- a/libvtv/configure.tgt
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+++ b/libvtv/configure.tgt
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@@ -50,6 +50,9 @@ case "${target}" in
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;;
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x86_64-*-darwin[1]* | i?86-*-darwin[1]*)
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;;
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+ loongarch*-*-linux*)
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+ VTV_SUPPORTED=yes
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+ ;;
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*)
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;;
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esac
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--
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2.33.0
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