[src/trunk]: src/sys efiboot: Boot parameters can be set via installboot(8).

[nonaka <nonaka%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/330694e39e9f
branches:  trunk
changeset: 353311:330694e39e9f
user:      nonaka <nonaka%NetBSD.org@localhost>
date:      Sat Apr 29 00:05:35 2017 +0000

description:
efiboot: Boot parameters can be set via installboot(8).

diffstat:

 sys/arch/i386/stand/efiboot/Makefile.efiboot       |   4 ++--
 sys/arch/i386/stand/efiboot/bootia32/efibootia32.c |   4 +---
 sys/arch/i386/stand/efiboot/bootia32/start.S       |  18 +++++++++++++++++-
 sys/arch/i386/stand/efiboot/bootx64/efibootx64.c   |   4 +---
 sys/arch/i386/stand/efiboot/bootx64/start.S        |  18 +++++++++++++++++-
 sys/sys/bootblock.h                                |   3 ++-
 6 files changed, 40 insertions(+), 11 deletions(-)

diffs (143 lines):

diff -r 55855af0af0a -r 330694e39e9f sys/arch/i386/stand/efiboot/Makefile.efiboot
--- a/sys/arch/i386/stand/efiboot/Makefile.efiboot      Fri Apr 28 19:01:01 2017 +0000
+++ b/sys/arch/i386/stand/efiboot/Makefile.efiboot      Sat Apr 29 00:05:35 2017 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile.efiboot,v 1.8 2017/04/08 19:53:21 christos Exp $
+# $NetBSD: Makefile.efiboot,v 1.9 2017/04/29 00:05:35 nonaka Exp $
 
 S=             ${.CURDIR}/../../../../..
 
@@ -10,7 +10,7 @@
 
 SOURCES?= start.S conf.c devopen.c efiboot.c self_reloc.c
 LIBI386SRCS= boot.c biosdisk.c bootinfo.c bootinfo_biosgeom.c
-LIBI386SRCS+= bootmenu.c boot_params.S diskbuf.c exec.c menuutils.c
+LIBI386SRCS+= bootmenu.c diskbuf.c exec.c menuutils.c
 LIBI386SRCS+= panic.c parseutils.c pread.c
 LIBI386SRCS+= eficons.c efidelay.c efidisk.c efidisk_ll.c efigetsecs.c
 LIBI386SRCS+= efimemory.c
diff -r 55855af0af0a -r 330694e39e9f sys/arch/i386/stand/efiboot/bootia32/efibootia32.c
--- a/sys/arch/i386/stand/efiboot/bootia32/efibootia32.c        Fri Apr 28 19:01:01 2017 +0000
+++ b/sys/arch/i386/stand/efiboot/bootia32/efibootia32.c        Sat Apr 29 00:05:35 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: efibootia32.c,v 1.2 2017/02/21 10:53:37 nonaka Exp $   */
+/*     $NetBSD: efibootia32.c,v 1.3 2017/04/29 00:05:35 nonaka Exp $   */
 
 /*-
  * Copyright (c) 2016 Kimihiro Nonaka <nonaka%netbsd.org@localhost>
@@ -30,8 +30,6 @@
 
 #include <sys/bootblock.h>
 
-struct x86_boot_params boot_params;
-
 void startprog32_start(physaddr_t, uint32_t, uint32_t *, physaddr_t,
     physaddr_t, physaddr_t, u_long, void *);
 extern void (*startprog32)(physaddr_t, uint32_t, uint32_t *, physaddr_t,
diff -r 55855af0af0a -r 330694e39e9f sys/arch/i386/stand/efiboot/bootia32/start.S
--- a/sys/arch/i386/stand/efiboot/bootia32/start.S      Fri Apr 28 19:01:01 2017 +0000
+++ b/sys/arch/i386/stand/efiboot/bootia32/start.S      Sat Apr 29 00:05:35 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: start.S,v 1.1 2017/01/24 11:09:14 nonaka Exp $ */
+/*     $NetBSD: start.S,v 1.2 2017/04/29 00:05:35 nonaka Exp $ */
 
 /*-
  * Copyright (c) 2008-2010 Rui Paulo <rpaulo%FreeBSD.org@localhost>
@@ -29,6 +29,7 @@
  */
 
 #include <machine/asm.h>
+#include <sys/bootblock.h>
 
        .text
        .align  16
@@ -72,3 +73,18 @@
        .long   0
        .long   10
        .word   0
+
+       /* boot parameters */
+       .text
+       .code16
+       .align 512
+.Lfake_bootxx:
+       jmp     1f
+       .balign 4
+       .long   X86_BOOT_MAGIC_EFI      /* checked by installboot */
+       .globl _C_LABEL(boot_params)
+_C_LABEL(boot_params):                 /* space for patchable variables */
+       .long   1f - boot_params        /* length of this data area */
+#include <boot_params.S>
+       . = .Lfake_bootxx + 0x80        /* Space for patching unknown params */
+1:
diff -r 55855af0af0a -r 330694e39e9f sys/arch/i386/stand/efiboot/bootx64/efibootx64.c
--- a/sys/arch/i386/stand/efiboot/bootx64/efibootx64.c  Fri Apr 28 19:01:01 2017 +0000
+++ b/sys/arch/i386/stand/efiboot/bootx64/efibootx64.c  Sat Apr 29 00:05:35 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: efibootx64.c,v 1.2 2017/02/11 10:23:39 nonaka Exp $    */
+/*     $NetBSD: efibootx64.c,v 1.3 2017/04/29 00:05:35 nonaka Exp $    */
 
 /*-
  * Copyright (c) 2016 Kimihiro Nonaka <nonaka%netbsd.org@localhost>
@@ -30,8 +30,6 @@
 
 #include <sys/bootblock.h>
 
-struct x86_boot_params boot_params;
-
 void startprog64_start(physaddr_t, physaddr_t, physaddr_t, u_long,
     void *, physaddr_t);
 extern void (*startprog64)(physaddr_t, physaddr_t, physaddr_t, u_long,
diff -r 55855af0af0a -r 330694e39e9f sys/arch/i386/stand/efiboot/bootx64/start.S
--- a/sys/arch/i386/stand/efiboot/bootx64/start.S       Fri Apr 28 19:01:01 2017 +0000
+++ b/sys/arch/i386/stand/efiboot/bootx64/start.S       Sat Apr 29 00:05:35 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: start.S,v 1.1 2017/01/24 11:09:14 nonaka Exp $ */
+/*     $NetBSD: start.S,v 1.2 2017/04/29 00:05:35 nonaka Exp $ */
 
 /*-
  * Copyright (C) 1999 Hewlett-Packard Co.
@@ -39,6 +39,7 @@
  */
 
 #include <machine/asm.h>
+#include <sys/bootblock.h>
 
        .text
        .align 16
@@ -77,3 +78,18 @@
        .long   0
        .long   10
        .word   0
+
+       /* boot parameters */
+       .text
+       .code16
+       .align 512
+.Lfake_bootxx:
+       jmp     1f
+       .balign 4
+       .long   X86_BOOT_MAGIC_EFI      /* checked by installboot */
+       .globl _C_LABEL(boot_params)
+_C_LABEL(boot_params):                 /* space for patchable variables */
+       .long   1f - boot_params        /* length of this data area */
+#include <boot_params.S>
+       . = .Lfake_bootxx + 0x80        /* Space for patching unknown params */
+1:
diff -r 55855af0af0a -r 330694e39e9f sys/sys/bootblock.h
--- a/sys/sys/bootblock.h       Fri Apr 28 19:01:01 2017 +0000
+++ b/sys/sys/bootblock.h       Sat Apr 29 00:05:35 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: bootblock.h,v 1.57 2014/09/14 17:39:06 nonaka Exp $    */
+/*     $NetBSD: bootblock.h,v 1.58 2017/04/29 00:05:35 nonaka Exp $    */
 
 /*-
  * Copyright (c) 2002-2004 The NetBSD Foundation, Inc.
@@ -1089,6 +1089,7 @@
 #define        X86_BOOT_MAGIC_2        X86_BOOT_MAGIC(2)       /* bootxx.S */
 #define        X86_BOOT_MAGIC_PXE      X86_BOOT_MAGIC(3)       /* start_pxe.S */
 #define        X86_BOOT_MAGIC_FAT      X86_BOOT_MAGIC(4)       /* fatboot.S */
+#define        X86_BOOT_MAGIC_EFI      X86_BOOT_MAGIC(5)       /* efiboot/start.S */
 #define        X86_MBR_GPT_MAGIC       0xedb88320              /* gpt.S */
 
                /* values for bp_flags */