diff options
| 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/efi.h | |
| parent | d7071743db31b4f6898b1c742e4b451bb4bc4b02 (diff) | |
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/efi.h')
| -rw-r--r-- | arch/riscv/include/asm/efi.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/efi.h b/arch/riscv/include/asm/efi.h index bf6a40e20a8e..7542282f1141 100644 --- a/arch/riscv/include/asm/efi.h +++ b/arch/riscv/include/asm/efi.h @@ -5,11 +5,28 @@ #ifndef _ASM_EFI_H #define _ASM_EFI_H +#include <asm/csr.h> #include <asm/io.h> #include <asm/mmu_context.h> #include <asm/ptrace.h> #include <asm/tlbflush.h> +#ifdef CONFIG_EFI +extern void efi_init(void); +#else +#define efi_init() +#endif + +int efi_create_mapping(struct mm_struct *mm, efi_memory_desc_t *md); +int efi_set_mapping_permissions(struct mm_struct *mm, efi_memory_desc_t *md); + +#define arch_efi_call_virt_setup() efi_virtmap_load() +#define arch_efi_call_virt_teardown() efi_virtmap_unload() + +#define arch_efi_call_virt(p, f, args...) p->f(args) + +#define ARCH_EFI_IRQ_FLAGS_MASK (SR_IE | SR_SPIE) + /* on RISC-V, the FDT may be located anywhere in system RAM */ static inline unsigned long efi_get_max_fdt_addr(unsigned long image_addr) { @@ -32,4 +49,7 @@ static inline void efifb_setup_from_dmi(struct screen_info *si, const char *opt) { } +void efi_virtmap_load(void); +void efi_virtmap_unload(void); + #endif /* _ASM_EFI_H */ |