From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bin Meng Date: Tue, 30 Aug 2016 09:29:03 +0800 Subject: [U-Boot] [PATCH v2 2/3] x86: efi: Fix EFI 64-bit payload build warnings In-Reply-To: References: <1472114839-6792-1-git-send-email-bmeng.cn@gmail.com> <1472114839-6792-2-git-send-email-bmeng.cn@gmail.com> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Tue, Aug 30, 2016 at 3:38 AM, Simon Glass wrote: > On 25 August 2016 at 02:47, Bin Meng wrote: >> There are lots of warnings when building EFI 64-bit payload. >> >> include/asm-generic/bitops/__fls.h:17:2: >> warning: left shift count >= width of type >> if (!(word & (~0ul << 32))) { >> ^ >> >> In fact, U-Boot itself as EFI payload is running in 32-bit mode. >> So BITS_PER_LONG needs to still be 32, but EFI status codes are >> 64-bit when booting from 64-bit EFI. Introduce EFI_BITS_PER_LONG >> to bridge those status codes with U-Boot's BITS_PER_LONG. >> >> Signed-off-by: Bin Meng >> >> --- >> >> Changes in v2: >> - Rework the patch to fix 64-bit payload boot issue >> >> arch/x86/include/asm/types.h | 4 ---- >> include/efi.h | 32 ++++++++++++++++++++------------ >> 2 files changed, 20 insertions(+), 16 deletions(-) > > Reviewed-by: Simon Glass applied to u-boot-x86, thanks!