vbatts/grub
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2009-06-04 Vladimir Serbinenko <phcoder@gmail.com>

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Disable lnxboot.img when compiled
	with Apple's CC

	* conf/i386-pc.rmk (pkglib_IMAGES): remove lnxboot.img
	pkglib_IMAGES [! TARGET_APPLE_CC] (pkglib_IMAGES): add lnxboot.img
	* boot/i386/pc/lnxboot.S [APPLE_CC]: define an #error
	[! APPLE_CC] (CODE_LENG): skip
	[! APPLE_CC] (setup_sects): likewise
	[! APPLE_CC]: skip filling
This commit is contained in:
phcoder 2009-06-04 21:25:58 +00:00
parent e93cdc3db1
commit 9dbf765337
3 changed files with 30 additions and 2 deletions
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12
ChangeLog
View file

@ -1,3 +1,15 @@
2009-06-04 Vladimir Serbinenko <phcoder@gmail.com>
Disable lnxboot.img when compiled
with Apple's CC
* conf/i386-pc.rmk (pkglib_IMAGES): remove lnxboot.img
pkglib_IMAGES [! TARGET_APPLE_CC] (pkglib_IMAGES): add lnxboot.img
* boot/i386/pc/lnxboot.S [APPLE_CC]: define an #error
[! APPLE_CC] (CODE_LENG): skip
[! APPLE_CC] (setup_sects): likewise
[! APPLE_CC]: skip filling
2009-06-04 Vladimir Serbinenko <phcoder@gmail.com>
Address in trampolines based on 32-bit registers when compiled

14
boot/i386/pc/lnxboot.S
View file

@ -24,9 +24,15 @@
#include <multiboot.h>
.file "lnxboot.S"
#ifdef APPLE_CC
#error Building lnxboot.img with Apple's as results in an unusable image
#endif
#define CODE_ADDR 0x6000
#ifndef APPLE_CC
#define CODE_LENG (code_end - start)
#endif
#define DATA_ADDR ((GRUB_BOOT_MACHINE_KERNEL_ADDR) + 0x200)
#define BLCK_LENG 0x4000
@ -44,7 +50,12 @@ data_start:
. = data_start + 0x1F1
setup_sects:
/* Apple's cc can't fill this value. */
#ifdef APPLE_CC
.byte 0
#else
.byte (CODE_LENG >> 9)
#endif
root_flags:
.word 0
syssize:
@ -351,7 +362,10 @@ fail:
err_int15_msg:
.ascii "move memory fails\0"
/* Unsupported feature in Apple's cc. */
#ifndef APPLE_CC
. = (. & (~0x1FF)) + 0x1FF
#endif
.byte 0

6
conf/i386-pc.rmk
View file

@ -10,8 +10,7 @@ COMMON_LDFLAGS = -m32 -nostdlib
script/sh/lexer.c_DEPENDENCIES = grub_script.tab.h
# Images.
pkglib_IMAGES = boot.img diskboot.img kernel.img pxeboot.img lnxboot.img \
cdboot.img
pkglib_IMAGES = boot.img diskboot.img kernel.img pxeboot.img cdboot.img
# For boot.img.
boot_img_SOURCES = boot/i386/pc/boot.S
@ -32,6 +31,9 @@ diskboot_img_LDFLAGS = $(COMMON_LDFLAGS) $(TARGET_IMG_LDFLAGS)8000
diskboot_img_FORMAT = binary
# For lnxboot.img.
ifeq ($(TARGET_APPLE_CC), 0)
pkglib_IMAGES += lnxboot.img
endif
lnxboot_img_SOURCES = boot/i386/pc/lnxboot.S
lnxboot_img_ASFLAGS = $(COMMON_ASFLAGS)
lnxboot_img_LDFLAGS = $(COMMON_LDFLAGS) $(TARGET_IMG_LDFLAGS)6000