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修改用户态 data 页权限为 RO

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This commit is contained in:
rcitach
2026-04-30 06:19:58 +08:00
committed by Bernard Xiong
parent 5db2be988e
commit 93b77062cb
1 changed files with 6 additions and 12 deletions
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components/lwp/arch/common/vdso_kernel.c
+6 -12
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@@ -7,7 +7,7 @@
* Date Author Notes
* 2024-07-04 rcitach init ver.
* 2025-04-22 ScuDays Add VDSO functionality under the riscv64 architecture.
* 2026-04-21 rcitach Refactor vDSO runtime around the clock data page.
* 2026-04-21 rcitach Refactor vDSO runtime around the clock data page.
*/
#include <rtthread.h>
@@ -59,20 +59,14 @@ static int rt_vdso_runtime_status = RT_EOK;
static struct timespec rt_vdso_realtime_offset;
static rt_bool_t rt_vdso_realtime_offset_ready;
#ifndef MMU_MAP_U_ROCB
#define MMU_MAP_U_ROCB MMU_MAP_U_RWCB
#endif
#ifndef MMU_MAP_U_RWCB_XN
#define MMU_MAP_U_RWCB_XN MMU_MAP_U_RWCB
#endif
#ifdef MMU_MAP_U_ROCB_XN
#define RT_VDSO_DATA_PAGE_ATTR MMU_MAP_U_ROCB_XN
#elif defined(MMU_MAP_U_RWCB_XN)
#define RT_VDSO_DATA_PAGE_ATTR MMU_MAP_U_RWCB_XN
#else
#elif defined(MMU_MAP_U_ROCB)
#define RT_VDSO_DATA_PAGE_ATTR MMU_MAP_U_ROCB
#else
#error "No user-read-only mapping available for vDSO data page!"
#endif
#define RT_VDSO_IMAGE_PAGE_ATTR MMU_MAP_U_ROCB