diff --git a/xen/arch/arm/Kconfig b/xen/arch/arm/Kconfig index 06b5ff755c..c30f324573 100644 --- a/xen/arch/arm/Kconfig +++ b/xen/arch/arm/Kconfig @@ -7,7 +7,6 @@ config ARM_64 def_bool y depends on !ARM_32 select 64BIT - select ARM_EFI select HAS_FAST_MULTIPLY config ARM @@ -71,7 +70,13 @@ config ACPI an alternative to device tree on ARM64. config ARM_EFI - bool + bool "UEFI boot service support" + depends on ARM_64 + default y + help + This option provides support for boot services through + UEFI firmware. A UEFI stub is provided to allow Xen to + be booted as an EFI application. config GICV3 bool "GICv3 driver" diff --git a/xen/arch/arm/arm64/head.S b/xen/arch/arm/arm64/head.S index c09d0b3a1a..31cdb54d74 100644 --- a/xen/arch/arm/arm64/head.S +++ b/xen/arch/arm/arm64/head.S @@ -22,8 +22,11 @@ #include #include + +#ifdef CONFIG_ARM_EFI #include #include +#endif #define PT_PT 0xf7f /* nG=1 AF=1 SH=11 AP=01 NS=1 ATTR=111 T=1 P=1 */ #define PT_MEM 0xf7d /* nG=1 AF=1 SH=11 AP=01 NS=1 ATTR=111 T=0 P=1 */ @@ -171,8 +174,10 @@ efi_head: .byte 0x52 .byte 0x4d .byte 0x64 - .long pe_header - efi_head /* Offset to the PE header. */ - +#ifndef CONFIG_ARM_EFI + .long 0 /* 0 means no PE header. */ +#else + .long pe_header - efi_head /* Offset to the PE header. */ /* * Add the PE/COFF header to the file. The address of this header * is at offset 0x3c in the file, and is part of Linux "Image" @@ -278,6 +283,8 @@ section_table: .short 0 /* NumberOfLineNumbers (0 for executables) */ .long 0xe0500020 /* Characteristics (section flags) */ .align 5 +#endif /* CONFIG_ARM_EFI */ + real_start: /* BSS should be zeroed when booting without EFI */ mov x26, #0 /* x26 := skip_zero_bss */ @@ -965,6 +972,8 @@ putn: ret ENTRY(lookup_processor_type) mov x0, #0 ret + +#ifdef CONFIG_ARM_EFI /* * Function to transition from EFI loader in C, to Xen entry point. * void noreturn efi_xen_start(void *fdt_ptr, uint32_t fdt_size); @@ -1023,6 +1032,8 @@ ENTRY(efi_xen_start) b real_start_efi ENDPROC(efi_xen_start) +#endif /* CONFIG_ARM_EFI */ + /* * Local variables: * mode: ASM