* Re: [RFC,1/2] efi: Make 'efi_enabled' a function to query EFI facilities
@ 2013-01-03 18:35 Sedat Dilek
2013-01-04 15:53 ` Matt Fleming
0 siblings, 1 reply; 2+ messages in thread
From: Sedat Dilek @ 2013-01-03 18:35 UTC (permalink / raw)
To: Matt Fleming; +Cc: LKML
[ include/linux/efi.h ]
...
+ * We play games with efi_enabled so that the compiler will, if
+ * possible, remove EFI-related code altogether.
*/
+#define EFI_BOOT 0x00000001 /* Were we booted from EFI? */
+#define EFI_SYSTEM_TABLES 0x00000002 /* Can we use EFI system tables? */
+#define EFI_CONFIG_TABLES 0x00000004 /* Can we use EFI config tables? */
+#define EFI_RUNTIME_SERVICES 0x00000004 /* Can we use runtime services? */
+#define EFI_MEMMAP 0x00000008 /* Can we use EFI memory map? */
+#define EFI_64BIT 0x00000010 /* Is the firmware 64-bit? */
+
...
2x 0x00000004? Typo or intended?
- Sedat -
[1] https://patchwork.kernel.org/patch/1927781/
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [RFC,1/2] efi: Make 'efi_enabled' a function to query EFI facilities
2013-01-03 18:35 [RFC,1/2] efi: Make 'efi_enabled' a function to query EFI facilities Sedat Dilek
@ 2013-01-04 15:53 ` Matt Fleming
0 siblings, 0 replies; 2+ messages in thread
From: Matt Fleming @ 2013-01-04 15:53 UTC (permalink / raw)
To: sedat.dilek; +Cc: LKML
On Thu, 2013-01-03 at 19:35 +0100, Sedat Dilek wrote:
> [ include/linux/efi.h ]
> ...
> + * We play games with efi_enabled so that the compiler will, if
> + * possible, remove EFI-related code altogether.
> */
> +#define EFI_BOOT 0x00000001 /* Were we booted from EFI? */
> +#define EFI_SYSTEM_TABLES 0x00000002 /* Can we use EFI system tables? */
> +#define EFI_CONFIG_TABLES 0x00000004 /* Can we use EFI config tables? */
> +#define EFI_RUNTIME_SERVICES 0x00000004 /* Can we use runtime services? */
> +#define EFI_MEMMAP 0x00000008 /* Can we use EFI memory map? */
> +#define EFI_64BIT 0x00000010 /* Is the firmware 64-bit? */
> +
> ...
>
> 2x 0x00000004? Typo or intended?
Heh, that would be a typo. Thanks for pointing that out.
^ permalink raw reply [flat|nested] 2+ messages in thread
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2013-01-03 18:35 [RFC,1/2] efi: Make 'efi_enabled' a function to query EFI facilities Sedat Dilek
2013-01-04 15:53 ` Matt Fleming
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