From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 94B39C433FF for ; Thu, 8 Aug 2019 10:40:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6564E20820 for ; Thu, 8 Aug 2019 10:40:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2403991AbfHHKkC (ORCPT ); Thu, 8 Aug 2019 06:40:02 -0400 Received: from mx2.suse.de ([195.135.220.15]:47594 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2403849AbfHHKjK (ORCPT ); Thu, 8 Aug 2019 06:39:10 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 99AF7B087; Thu, 8 Aug 2019 10:39:08 +0000 (UTC) From: Jiri Slaby To: bp@alien8.de Cc: tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, x86@kernel.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, Jiri Slaby Subject: [PATCH v8 18/28] x86/asm/realmode: use SYM_DATA_* instead of GLOBAL Date: Thu, 8 Aug 2019 12:38:44 +0200 Message-Id: <20190808103854.6192-19-jslaby@suse.cz> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190808103854.6192-1-jslaby@suse.cz> References: <20190808103854.6192-1-jslaby@suse.cz> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org GLOBAL had several meanings and is going away. In this patch, convert all the data marked using GLOBAL to use SYM_DATA_START or SYM_DATA instead. Notes: * SYM_DATA_END_LABEL is used to generate tr_gdt_end too. * wakeup_idt is marked as LOCAL now as it is used only locally. Signed-off-by: Jiri Slaby Cc: Thomas Gleixner Cc: Ingo Molnar Cc: "H. Peter Anvin" Cc: x86@kernel.org --- arch/x86/realmode/rm/header.S | 8 +++----- arch/x86/realmode/rm/reboot.S | 8 ++++---- arch/x86/realmode/rm/stack.S | 14 ++++++-------- arch/x86/realmode/rm/trampoline_32.S | 10 +++++----- arch/x86/realmode/rm/trampoline_64.S | 19 +++++++++---------- arch/x86/realmode/rm/trampoline_common.S | 2 +- arch/x86/realmode/rm/wakeup_asm.S | 12 ++++++------ arch/x86/realmode/rmpiggy.S | 10 ++++------ 8 files changed, 38 insertions(+), 45 deletions(-) diff --git a/arch/x86/realmode/rm/header.S b/arch/x86/realmode/rm/header.S index 6363761cc74c..af04512c02d9 100644 --- a/arch/x86/realmode/rm/header.S +++ b/arch/x86/realmode/rm/header.S @@ -14,7 +14,7 @@ .section ".header", "a" .balign 16 -GLOBAL(real_mode_header) +SYM_DATA_START(real_mode_header) .long pa_text_start .long pa_ro_end /* SMP trampoline */ @@ -33,11 +33,9 @@ GLOBAL(real_mode_header) #ifdef CONFIG_X86_64 .long __KERNEL32_CS #endif -END(real_mode_header) +SYM_DATA_END(real_mode_header) /* End signature, used to verify integrity */ .section ".signature","a" .balign 4 -GLOBAL(end_signature) - .long REALMODE_END_SIGNATURE -END(end_signature) +SYM_DATA(end_signature, .long REALMODE_END_SIGNATURE) diff --git a/arch/x86/realmode/rm/reboot.S b/arch/x86/realmode/rm/reboot.S index f91425a01f8f..424826afb501 100644 --- a/arch/x86/realmode/rm/reboot.S +++ b/arch/x86/realmode/rm/reboot.S @@ -127,13 +127,13 @@ bios: .section ".rodata", "a" .balign 16 -GLOBAL(machine_real_restart_idt) +SYM_DATA_START(machine_real_restart_idt) .word 0xffff /* Length - real mode default value */ .long 0 /* Base - real mode default value */ -END(machine_real_restart_idt) +SYM_DATA_END(machine_real_restart_idt) .balign 16 -GLOBAL(machine_real_restart_gdt) +SYM_DATA_START(machine_real_restart_gdt) /* Self-pointer */ .word 0xffff /* Length - real mode default value */ .long pa_machine_real_restart_gdt @@ -153,4 +153,4 @@ GLOBAL(machine_real_restart_gdt) * semantics we don't have to reload the segments once CR0.PE = 0. */ .quad GDT_ENTRY(0x0093, 0x100, 0xffff) -END(machine_real_restart_gdt) +SYM_DATA_END(machine_real_restart_gdt) diff --git a/arch/x86/realmode/rm/stack.S b/arch/x86/realmode/rm/stack.S index 8d4cb64799ea..0fca64061ad2 100644 --- a/arch/x86/realmode/rm/stack.S +++ b/arch/x86/realmode/rm/stack.S @@ -6,15 +6,13 @@ #include .data -GLOBAL(HEAP) - .long rm_heap -GLOBAL(heap_end) - .long rm_stack +SYM_DATA(HEAP, .long rm_heap) +SYM_DATA(heap_end, .long rm_stack) .bss .balign 16 -GLOBAL(rm_heap) - .space 2048 -GLOBAL(rm_stack) +SYM_DATA(rm_heap, .space 2048) + +SYM_DATA_START(rm_stack) .space 2048 -GLOBAL(rm_stack_end) +SYM_DATA_END_LABEL(rm_stack, SYM_L_GLOBAL, rm_stack_end) diff --git a/arch/x86/realmode/rm/trampoline_32.S b/arch/x86/realmode/rm/trampoline_32.S index 1868b158480d..ff00594a2ed0 100644 --- a/arch/x86/realmode/rm/trampoline_32.S +++ b/arch/x86/realmode/rm/trampoline_32.S @@ -62,10 +62,10 @@ ENTRY(startup_32) # note: also used from wakeup_asm.S .bss .balign 8 -GLOBAL(trampoline_header) - tr_start: .space 4 - tr_gdt_pad: .space 2 - tr_gdt: .space 6 -END(trampoline_header) +SYM_DATA_START(trampoline_header) + SYM_DATA_LOCAL(tr_start, .space 4) + SYM_DATA_LOCAL(tr_gdt_pad, .space 2) + SYM_DATA_LOCAL(tr_gdt, .space 6) +SYM_DATA_END(trampoline_header) #include "trampoline_common.S" diff --git a/arch/x86/realmode/rm/trampoline_64.S b/arch/x86/realmode/rm/trampoline_64.S index aee2b45d83b8..c1aeab1dae25 100644 --- a/arch/x86/realmode/rm/trampoline_64.S +++ b/arch/x86/realmode/rm/trampoline_64.S @@ -149,26 +149,25 @@ ENTRY(startup_64) # Duplicate the global descriptor table # so the kernel can live anywhere .balign 16 - .globl tr_gdt -tr_gdt: +SYM_DATA_START(tr_gdt) .short tr_gdt_end - tr_gdt - 1 # gdt limit .long pa_tr_gdt .short 0 .quad 0x00cf9b000000ffff # __KERNEL32_CS .quad 0x00af9b000000ffff # __KERNEL_CS .quad 0x00cf93000000ffff # __KERNEL_DS -tr_gdt_end: +SYM_DATA_END_LABEL(tr_gdt, SYM_L_LOCAL, tr_gdt_end) .bss .balign PAGE_SIZE -GLOBAL(trampoline_pgd) .space PAGE_SIZE +SYM_DATA(trampoline_pgd, .space PAGE_SIZE) .balign 8 -GLOBAL(trampoline_header) - tr_start: .space 8 - GLOBAL(tr_efer) .space 8 - GLOBAL(tr_cr4) .space 4 - GLOBAL(tr_flags) .space 4 -END(trampoline_header) +SYM_DATA_START(trampoline_header) + SYM_DATA_LOCAL(tr_start, .space 8) + SYM_DATA(tr_efer, .space 8) + SYM_DATA(tr_cr4, .space 4) + SYM_DATA(tr_flags, .space 4) +SYM_DATA_END(trampoline_header) #include "trampoline_common.S" diff --git a/arch/x86/realmode/rm/trampoline_common.S b/arch/x86/realmode/rm/trampoline_common.S index 8d8208dcca24..5033e640f957 100644 --- a/arch/x86/realmode/rm/trampoline_common.S +++ b/arch/x86/realmode/rm/trampoline_common.S @@ -1,4 +1,4 @@ /* SPDX-License-Identifier: GPL-2.0 */ .section ".rodata","a" .balign 16 -tr_idt: .fill 1, 6, 0 +SYM_DATA_LOCAL(tr_idt, .fill 1, 6, 0) diff --git a/arch/x86/realmode/rm/wakeup_asm.S b/arch/x86/realmode/rm/wakeup_asm.S index 05ac9c17c811..0af6b30d3c68 100644 --- a/arch/x86/realmode/rm/wakeup_asm.S +++ b/arch/x86/realmode/rm/wakeup_asm.S @@ -17,7 +17,7 @@ .section ".data", "aw" .balign 16 -GLOBAL(wakeup_header) +SYM_DATA_START(wakeup_header) video_mode: .short 0 /* Video mode number */ pmode_entry: .long 0 pmode_cs: .short __KERNEL_CS @@ -31,7 +31,7 @@ GLOBAL(wakeup_header) realmode_flags: .long 0 real_magic: .long 0 signature: .long WAKEUP_HEADER_SIGNATURE -END(wakeup_header) +SYM_DATA_END(wakeup_header) .text .code16 @@ -152,7 +152,7 @@ bogus_real_magic: */ .balign 16 -GLOBAL(wakeup_gdt) +SYM_DATA_START(wakeup_gdt) .word 3*8-1 /* Self-descriptor */ .long pa_wakeup_gdt .word 0 @@ -164,15 +164,15 @@ GLOBAL(wakeup_gdt) .word 0xffff /* 16-bit data segment @ real_mode_base */ .long 0x93000000 + pa_real_mode_base .word 0x008f /* big real mode */ -END(wakeup_gdt) +SYM_DATA_END(wakeup_gdt) .section ".rodata","a" .balign 8 /* This is the standard real-mode IDT */ .balign 16 -GLOBAL(wakeup_idt) +SYM_DATA_START_LOCAL(wakeup_idt) .word 0xffff /* limit */ .long 0 /* address */ .word 0 -END(wakeup_idt) +SYM_DATA_END(wakeup_idt) diff --git a/arch/x86/realmode/rmpiggy.S b/arch/x86/realmode/rmpiggy.S index c078dba40cef..c8fef76743f6 100644 --- a/arch/x86/realmode/rmpiggy.S +++ b/arch/x86/realmode/rmpiggy.S @@ -10,12 +10,10 @@ .balign PAGE_SIZE -GLOBAL(real_mode_blob) +SYM_DATA_START(real_mode_blob) .incbin "arch/x86/realmode/rm/realmode.bin" -END(real_mode_blob) +SYM_DATA_END_LABEL(real_mode_blob, SYM_L_GLOBAL, real_mode_blob_end) -GLOBAL(real_mode_blob_end); - -GLOBAL(real_mode_relocs) +SYM_DATA_START(real_mode_relocs) .incbin "arch/x86/realmode/rm/realmode.relocs" -END(real_mode_relocs) +SYM_DATA_END(real_mode_relocs) -- 2.22.0