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| author | Marek Behún <marek.behun@nic.cz> | 2021-05-20 13:23:58 +0200 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2021-05-24 14:21:30 -0400 |
| commit | 15f537ccf96f891ee46c0d2d2b5d2021b0de2559 (patch) | |
| tree | decfebc156d58a0b8802701902c8eab35ca459ba /include | |
| parent | 82836973115171d1d8ff5fa874b075672ac08f58 (diff) | |
| download | u-boot-15f537ccf96f891ee46c0d2d2b5d2021b0de2559.tar.gz u-boot-15f537ccf96f891ee46c0d2d2b5d2021b0de2559.tar.xz u-boot-15f537ccf96f891ee46c0d2d2b5d2021b0de2559.zip | |
efi_loader: add macro for const EFI runtime data
Add macro __efi_runtime_rodata, for const variables with similar purpose
as those using __efi_runtime_data.
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Diffstat (limited to 'include')
| -rw-r--r-- | include/efi_loader.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/efi_loader.h b/include/efi_loader.h index cfd68e329c..522696d635 100644 --- a/include/efi_loader.h +++ b/include/efi_loader.h @@ -695,6 +695,22 @@ ssize_t efi_dp_check_length(const struct efi_device_path *dp, #define __efi_runtime_data __section(".data.efi_runtime") /** + * __efi_runtime_rodata - declares a read-only variable for EFI runtime section + * + * This macro indicates that a variable is read-only (const) and should go into + * the EFI runtime section, and thus still be available when the OS is running. + * + * Only use on variables also declared const. + * + * Example: + * + * :: + * + * static const __efi_runtime_rodata my_const_table[] = { 1, 2, 3 }; + */ +#define __efi_runtime_rodata __section(".rodata.efi_runtime") + +/** * __efi_runtime - declares a function for EFI runtime section * * This macro indicates that a function should go into the EFI runtime section, @@ -911,6 +927,7 @@ efi_status_t efi_launch_capsules(void); /* Without CONFIG_EFI_LOADER we don't have a runtime section, stub it out */ #define __efi_runtime_data +#define __efi_runtime_rodata #define __efi_runtime static inline efi_status_t efi_add_runtime_mmio(void *mmio_ptr, u64 len) { |