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| author |   Atish Patra <atish.patra@wdc.com> | 2020-09-17 15:37:15 -0700 |
|---|---|---|
| committer |   Palmer Dabbelt <palmerdabbelt@google.com> | 2020-10-02 14:31:28 -0700 |
| commit | b91540d52a08b65eb6a2b09132e1bd54fa82754c (patch) | |
| tree | 4396a594b47ee9036c88bfa5ec740a99005435a1 /arch/riscv/include/asm/pgtable.h | |
| parent | RISC-V: Add EFI stub support. (diff) | |
| download | linux-dev-b91540d52a08b65eb6a2b09132e1bd54fa82754c.tar.xz linux-dev-b91540d52a08b65eb6a2b09132e1bd54fa82754c.zip | |
RISC-V: Add EFI runtime services
This patch adds EFI runtime service support for RISC-V.
Signed-off-by: Atish Patra <atish.patra@wdc.com>
[ardb: - Remove the page check]
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Diffstat (limited to 'arch/riscv/include/asm/pgtable.h')
| -rw-r--r-- | arch/riscv/include/asm/pgtable.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h index 815f8c959dd4..183f1f4b2ae6 100644 --- a/arch/riscv/include/asm/pgtable.h +++ b/arch/riscv/include/asm/pgtable.h @@ -100,6 +100,10 @@ #define PAGE_KERNEL __pgprot(_PAGE_KERNEL) #define PAGE_KERNEL_EXEC __pgprot(_PAGE_KERNEL | _PAGE_EXEC) +#define PAGE_KERNEL_READ __pgprot(_PAGE_KERNEL & ~_PAGE_WRITE) +#define PAGE_KERNEL_EXEC __pgprot(_PAGE_KERNEL | _PAGE_EXEC) +#define PAGE_KERNEL_READ_EXEC __pgprot((_PAGE_KERNEL & ~_PAGE_WRITE) \ + | _PAGE_EXEC) #define PAGE_TABLE __pgprot(_PAGE_TABLE) |