From a5e58a41647619c048335b91b60de621f88edd73 Mon Sep 17 00:00:00 2001 From: Lulu Cheng Date: Mon, 7 Aug 2023 13:07:05 +0200 Subject: [PATCH] Libvtv: Add loongarch support. The loongarch64 specification permits page sizes of 4KiB, 16KiB and 64KiB, but only 16KiB pages are supported for now. Co-Authored-By: qijingwen include/ * vtv-change-permission.h (defined): Determines whether the macro __loongarch_lp64 is defined (VTV_PAGE_SIZE): Set VTV_PAGE_SIZE to 16KiB for loongarch64. --- include/vtv-change-permission.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/vtv-change-permission.h b/include/vtv-change-permission.h index 5906e7d78cc..ffb5312522c 100644 --- a/include/vtv-change-permission.h +++ b/include/vtv-change-permission.h @@ -48,6 +48,10 @@ extern void __VLTChangePermission (int); #else #if defined(__sun__) && defined(__svr4__) && defined(__sparc__) #define VTV_PAGE_SIZE 8192 +#elif defined(__loongarch_lp64) +/* The page size is configurable by the kernel to be 4, 16 or 64 KiB. + For now, only the default page size of 16KiB is supported. */ +#define VTV_PAGE_SIZE 16384 #else #define VTV_PAGE_SIZE 4096 #endif -- 2.30.2