arm64: head: Annotate stext and preserve_boot_args as code

In an effort to clarify and simplify the annotation of assembly
functions new macros have been introduced. These replace ENTRY and
ENDPROC with two different annotations for normal functions and those
with unusual calling conventions.  Neither stext nor preserve_boot_args
is called with the usual AAPCS calling conventions and they should
therefore be annotated as code.
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

arch/arm64/kernel/head.S

@@ -105,7 +105,7 @@ pe_header:
 	 *  x24        __primary_switch() .. relocate_kernel()
 	 *                                        current RELR displacement
 	 */
-ENTRY(stext)
+SYM_CODE_START(stext)
 	bl	preserve_boot_args
 	bl	el2_setup			// Drop to EL1, w0=cpu_boot_mode
 	adrp	x23, __PHYS_OFFSET
@@ -120,12 +120,12 @@ ENTRY(stext)
 	 */
 	bl	__cpu_setup			// initialise processor
 	b	__primary_switch
-ENDPROC(stext)
+SYM_CODE_END(stext)
 
 /*
  * Preserve the arguments passed by the bootloader in x0 .. x3
  */
-preserve_boot_args:
+SYM_CODE_START_LOCAL(preserve_boot_args)
 	mov	x21, x0				// x21=FDT
 
 	adr_l	x0, boot_args			// record the contents of
@@ -137,7 +137,7 @@ preserve_boot_args:
 
 	mov	x1, #0x20			// 4 x 8 bytes
 	b	__inval_dcache_area		// tail call
-ENDPROC(preserve_boot_args)
+SYM_CODE_END(preserve_boot_args)
 
 /*
  * Macro to create a table entry to the next page.