.macro __initial_nops
#ifdef CONFIG_EFI_STUB
@ This is a two-instruction NOP, which happens to bear the
@ PE/COFF signature "MZ" in the first two bytes, so the kernel
@ is accepted as an EFI binary. Booting via the UEFI stub
@ will not execute those instructions, but the ARM/Linux
@ boot protocol does, so we need some NOPs here.
.inst IMAGE_DOS_SIGNATURE | (0xe225 << 16) @ eor r5, r5, 0x4d000
eor r5, r5, 0x4d000 @ undo previous insn
#else
__nop
__nop
#endif
.endm
.macro __EFI_HEADER
#ifdef CONFIG_EFI_STUB
.set start_offset, __efi_start - start
.org start + 0x3c
@
@ The PE header can be anywhere in the file, but for
@ simplicity we keep it together with the MSDOS header
@ The offset to the PE/COFF header needs to be at offset
@ 0x3C in the MSDOS header.
@ The only 2 fields of the MSDOS header that are used are this
@ PE/COFF offset, and the "MZ" bytes at offset 0x0.
@
.long pe_header - start @ Offset to the PE header.
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