diff options
| author | Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2016-04-25 21:06:53 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-04-28 11:33:59 +0200 |
| commit | 801820bee9bccb7c156af2b95c7208f428a06ae7 (patch) | |
| tree | e2d486dc835f643ffa966d7b499f2ef17d3f1d7b /include/linux/efi.h | |
| parent | 57fdb89aeb7b0e3aab19847ab7399e5d76f11e6f (diff) | |
efi/arm/libstub: Make screen_info accessible to the UEFI stub
In order to hand over the framebuffer described by the GOP protocol and
discovered by the UEFI stub, make struct screen_info accessible by the
stub. This involves allocating a loader data buffer and passing it to the
kernel proper via a UEFI Configuration Table, since the UEFI stub executes
in the context of the decompressor, and cannot access the kernel's copy of
struct screen_info directly.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Borislav Petkov <bp@alien8.de>
Cc: David Herrmann <dh.herrmann@gmail.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Jones <pjones@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will.deacon@arm.com>
Cc: linux-efi@vger.kernel.org
Link: http://lkml.kernel.org/r/1461614832-17633-22-git-send-email-matt@codeblueprint.co.uk
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/efi.h')
| -rw-r--r-- | include/linux/efi.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/include/linux/efi.h b/include/linux/efi.h index 9203bbb28887..e53458842245 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -286,7 +286,7 @@ typedef struct { efi_status_t (*locate_handle)(int, efi_guid_t *, void *, unsigned long *, efi_handle_t *); void *locate_device_path; - void *install_configuration_table; + efi_status_t (*install_configuration_table)(efi_guid_t *, void *); void *load_image; void *start_image; void *exit; @@ -633,6 +633,15 @@ void efi_native_runtime_setup(void); EFI_GUID(0xd3b36f2c, 0xd551, 0x11d4, \ 0x9a, 0x46, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d) +/* + * This GUID is used to pass to the kernel proper the struct screen_info + * structure that was populated by the stub based on the GOP protocol instance + * associated with ConOut + */ +#define LINUX_EFI_ARM_SCREEN_INFO_TABLE_GUID \ + EFI_GUID(0xe03fc20a, 0x85dc, 0x406e, \ + 0xb9, 0xe, 0x4a, 0xb5, 0x02, 0x37, 0x1d, 0x95) + typedef struct { efi_guid_t guid; u64 table; |