Commit bd47cdb7 authored by Max Filippov's avatar Max Filippov
Browse files

xtensa: move section symbols to asm/sections.h



Introduce asm/sections.h and move section declarations to this header
from setup.c. Assign section symbols char array type uniformly and drop
address operator from section symbol references in code.
Sort headers in setup.c while at it.

Signed-off-by: default avatarMax Filippov <jcmvbkbc@gmail.com>
parent 431d1a34
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+41 −0
Original line number Diff line number Diff line
/* SPDX-License-Identifier: GPL-2.0 */

#ifndef _XTENSA_SECTIONS_H
#define _XTENSA_SECTIONS_H

#include <asm-generic/sections.h>

#ifdef CONFIG_VECTORS_ADDR
extern char _WindowVectors_text_start[];
extern char _WindowVectors_text_end[];
extern char _DebugInterruptVector_text_start[];
extern char _DebugInterruptVector_text_end[];
extern char _KernelExceptionVector_text_start[];
extern char _KernelExceptionVector_text_end[];
extern char _UserExceptionVector_text_start[];
extern char _UserExceptionVector_text_end[];
extern char _DoubleExceptionVector_text_start[];
extern char _DoubleExceptionVector_text_end[];
extern char _exception_text_start[];
extern char _exception_text_end[];
extern char _Level2InterruptVector_text_start[];
extern char _Level2InterruptVector_text_end[];
extern char _Level3InterruptVector_text_start[];
extern char _Level3InterruptVector_text_end[];
extern char _Level4InterruptVector_text_start[];
extern char _Level4InterruptVector_text_end[];
extern char _Level5InterruptVector_text_start[];
extern char _Level5InterruptVector_text_end[];
extern char _Level6InterruptVector_text_start[];
extern char _Level6InterruptVector_text_end[];
#endif
#ifdef CONFIG_SMP
extern char _SecondaryResetVector_text_start[];
extern char _SecondaryResetVector_text_end[];
#endif
#ifdef CONFIG_XIP_KERNEL
extern char _xip_start[];
extern char _xip_end[];
#endif

#endif
+29 −71
Original line number Diff line number Diff line
@@ -37,14 +37,15 @@
#include <asm/bootparam.h>
#include <asm/kasan.h>
#include <asm/mmu_context.h>
#include <asm/processor.h>
#include <asm/timex.h>
#include <asm/platform.h>
#include <asm/page.h>
#include <asm/setup.h>
#include <asm/param.h>
#include <asm/platform.h>
#include <asm/processor.h>
#include <asm/sections.h>
#include <asm/setup.h>
#include <asm/smp.h>
#include <asm/sysmem.h>
#include <asm/timex.h>

#if defined(CONFIG_VGA_CONSOLE) || defined(CONFIG_DUMMY_CONSOLE)
struct screen_info screen_info = {
@@ -271,49 +272,6 @@ void __init init_arch(bp_tag_t *bp_start)
 * Initialize system. Setup memory and reserve regions.
 */

extern char _end[];
extern char _stext[];
extern char _WindowVectors_text_start;
extern char _WindowVectors_text_end;
extern char _DebugInterruptVector_text_start;
extern char _DebugInterruptVector_text_end;
extern char _KernelExceptionVector_text_start;
extern char _KernelExceptionVector_text_end;
extern char _UserExceptionVector_text_start;
extern char _UserExceptionVector_text_end;
extern char _DoubleExceptionVector_text_start;
extern char _DoubleExceptionVector_text_end;
extern char _exception_text_start;
extern char _exception_text_end;
#if XCHAL_EXCM_LEVEL >= 2
extern char _Level2InterruptVector_text_start;
extern char _Level2InterruptVector_text_end;
#endif
#if XCHAL_EXCM_LEVEL >= 3
extern char _Level3InterruptVector_text_start;
extern char _Level3InterruptVector_text_end;
#endif
#if XCHAL_EXCM_LEVEL >= 4
extern char _Level4InterruptVector_text_start;
extern char _Level4InterruptVector_text_end;
#endif
#if XCHAL_EXCM_LEVEL >= 5
extern char _Level5InterruptVector_text_start;
extern char _Level5InterruptVector_text_end;
#endif
#if XCHAL_EXCM_LEVEL >= 6
extern char _Level6InterruptVector_text_start;
extern char _Level6InterruptVector_text_end;
#endif
#ifdef CONFIG_SMP
extern char _SecondaryResetVector_text_start;
extern char _SecondaryResetVector_text_end;
#endif
#ifdef CONFIG_XIP_KERNEL
extern char _xip_start[];
extern char _xip_end[];
#endif

static inline int __init_memblock mem_reserve(unsigned long start,
					      unsigned long end)
{
@@ -350,50 +308,50 @@ void __init setup_arch(char **cmdline_p)

#ifdef CONFIG_VECTORS_ADDR
#ifdef SUPPORT_WINDOWED
	mem_reserve(__pa(&_WindowVectors_text_start),
		    __pa(&_WindowVectors_text_end));
	mem_reserve(__pa(_WindowVectors_text_start),
		    __pa(_WindowVectors_text_end));
#endif

	mem_reserve(__pa(&_DebugInterruptVector_text_start),
		    __pa(&_DebugInterruptVector_text_end));
	mem_reserve(__pa(_DebugInterruptVector_text_start),
		    __pa(_DebugInterruptVector_text_end));

	mem_reserve(__pa(&_KernelExceptionVector_text_start),
		    __pa(&_KernelExceptionVector_text_end));
	mem_reserve(__pa(_KernelExceptionVector_text_start),
		    __pa(_KernelExceptionVector_text_end));

	mem_reserve(__pa(&_UserExceptionVector_text_start),
		    __pa(&_UserExceptionVector_text_end));
	mem_reserve(__pa(_UserExceptionVector_text_start),
		    __pa(_UserExceptionVector_text_end));

	mem_reserve(__pa(&_DoubleExceptionVector_text_start),
		    __pa(&_DoubleExceptionVector_text_end));
	mem_reserve(__pa(_DoubleExceptionVector_text_start),
		    __pa(_DoubleExceptionVector_text_end));

	mem_reserve(__pa(&_exception_text_start),
		    __pa(&_exception_text_end));
	mem_reserve(__pa(_exception_text_start),
		    __pa(_exception_text_end));
#if XCHAL_EXCM_LEVEL >= 2
	mem_reserve(__pa(&_Level2InterruptVector_text_start),
		    __pa(&_Level2InterruptVector_text_end));
	mem_reserve(__pa(_Level2InterruptVector_text_start),
		    __pa(_Level2InterruptVector_text_end));
#endif
#if XCHAL_EXCM_LEVEL >= 3
	mem_reserve(__pa(&_Level3InterruptVector_text_start),
		    __pa(&_Level3InterruptVector_text_end));
	mem_reserve(__pa(_Level3InterruptVector_text_start),
		    __pa(_Level3InterruptVector_text_end));
#endif
#if XCHAL_EXCM_LEVEL >= 4
	mem_reserve(__pa(&_Level4InterruptVector_text_start),
		    __pa(&_Level4InterruptVector_text_end));
	mem_reserve(__pa(_Level4InterruptVector_text_start),
		    __pa(_Level4InterruptVector_text_end));
#endif
#if XCHAL_EXCM_LEVEL >= 5
	mem_reserve(__pa(&_Level5InterruptVector_text_start),
		    __pa(&_Level5InterruptVector_text_end));
	mem_reserve(__pa(_Level5InterruptVector_text_start),
		    __pa(_Level5InterruptVector_text_end));
#endif
#if XCHAL_EXCM_LEVEL >= 6
	mem_reserve(__pa(&_Level6InterruptVector_text_start),
		    __pa(&_Level6InterruptVector_text_end));
	mem_reserve(__pa(_Level6InterruptVector_text_start),
		    __pa(_Level6InterruptVector_text_end));
#endif

#endif /* CONFIG_VECTORS_ADDR */

#ifdef CONFIG_SMP
	mem_reserve(__pa(&_SecondaryResetVector_text_start),
		    __pa(&_SecondaryResetVector_text_end));
	mem_reserve(__pa(_SecondaryResetVector_text_start),
		    __pa(_SecondaryResetVector_text_end));
#endif
	parse_early_param();
	bootmem_init();