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Fix user PGT flags (don't map them globally)

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A global mapping means it exists in all address environments. Only
kernel mappings should be mapped as global.
This commit is contained in:
Ville Juven 2022-01-13 08:24:57 +02:00 committed by Xiang Xiao
parent 56ade25f31
commit 0a1a1e9b79
1 changed files with 4 additions and 4 deletions
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8
arch/risc-v/src/common/riscv_mmu.h
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@ -61,14 +61,14 @@
#define PTE_LEAF_MASK (7 << 1)
/* Flags for page tables */
/* Flags for user page tables */
#define MMU_PGT_FLAGS (PTE_G)
#define MMU_UPGT_FLAGS (0)
/* Flags for user FLASH (RX) and user RAM (RW) */
#define MMU_UTEXT_FLAGS (PTE_R | PTE_X | PTE_U | PTE_G)
#define MMU_UDATA_FLAGS (PTE_R | PTE_W | PTE_U | PTE_G)
#define MMU_UTEXT_FLAGS (PTE_R | PTE_X | PTE_U)
#define MMU_UDATA_FLAGS (PTE_R | PTE_W | PTE_U)
/* SvX definitions, only Sv39 is currently supported, but it should be
* trivial to extend the driver to support other SvX implementations