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x86: Change __kernel_size_t conditionals to use compiler provided defines

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Since commit bb0bb91cf0 ("efi_stub: Use efi_uintn_t"), EFI x86
64-bit payload does not work anymore. The call to GetMemoryMap()
in efi_stub.c fails with return code EFI_INVALID_PARAMETER. Since
the payload itself is still 32-bit U-Boot, efi_uintn_t gets wrongly
interpreted as int, but it should actually be long in a 64-bit EFI
environment.

This changes the x86 __kernel_size_t conditionals to use compiler
provided defines instead. That way we always adhere to the build
environment we're in and the definitions adjust automatically.

Fixes: bb0bb91cf0 ("efi_stub: Use efi_uintn_t")
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Bin Meng 2018-06-22 01:38:27 -07:00
parent 0186644646
commit 5460fd0762
1 changed files with 2 additions and 1 deletions
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3
arch/x86/include/asm/posix_types.h
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@ -16,7 +16,8 @@ typedef int __kernel_pid_t;
typedef unsigned short __kernel_ipc_pid_t;
typedef unsigned short __kernel_uid_t;
typedef unsigned short __kernel_gid_t;
#if CONFIG_IS_ENABLED(X86_64)
/* checking against __x86_64__ covers both 64-bit EFI stub and 64-bit U-Boot */
#if defined(__x86_64__)
typedef unsigned long __kernel_size_t;
typedef long __kernel_ssize_t;
#else