From: Pavel Roskin <proski@gnu.org>
To: grub-devel@gnu.org
Subject: [PATCH 4/7] Eliminate kernel_address
Date: Tue, 14 Jul 2009 21:00:36 -0400 [thread overview]
Message-ID: <20090715010036.17865.76458.stgit@mj.roinet.com> (raw)
In-Reply-To: <20090715010017.17865.58915.stgit@mj.roinet.com>
ChangeLog:
* boot/i386/pc/boot.S: Eliminate kernel_address. Add .bss
section corresponding to the loader. Use relative jump to the
loader.
---
boot/i386/pc/boot.S | 14 +++++---------
1 files changed, 5 insertions(+), 9 deletions(-)
diff --git a/boot/i386/pc/boot.S b/boot/i386/pc/boot.S
index 15d02e5..9323cb9 100644
--- a/boot/i386/pc/boot.S
+++ b/boot/i386/pc/boot.S
@@ -92,9 +92,6 @@ cylinder_start:
* End of BIOS parameter block.
*/
-kernel_address:
- .word GRUB_BOOT_MACHINE_KERNEL_ADDR
-
. = _start + GRUB_BOOT_MACHINE_KERNEL_SECTOR
kernel_sector:
.long 1, 0
@@ -392,12 +389,7 @@ copy_buffer:
popa
/* boot kernel */
-#ifdef APPLE_CC
- kernel_address_abs = ABS (kernel_address)
- jmp *(kernel_address_abs)
-#else
- jmp *(kernel_address)
-#endif
+ jmp kernel_entry
/* END OF MAIN LOOP */
@@ -532,3 +524,7 @@ fd_probe_error_string: .asciz "Floppy"
/* the last 2 bytes in the sector 0 contain the signature */
.word GRUB_BOOT_MACHINE_SIGNATURE
+
+ .bss
+ . = . + 0x200
+kernel_entry:
next prev parent reply other threads:[~2009-07-15 1:00 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-15 1:00 [PATCH 1/7] Make boot/i386/pc/boot.S safer to modify Pavel Roskin
2009-07-15 1:00 ` [PATCH 2/7] Remove unused version information from boot/i386/pc/boot.S Pavel Roskin
2009-07-15 1:00 ` [PATCH 3/7] Eliminate kernel_segment Pavel Roskin
2009-07-16 15:45 ` Robert Millan
2009-07-15 1:00 ` Pavel Roskin [this message]
2009-07-16 15:52 ` [PATCH 4/7] Eliminate kernel_address Robert Millan
2009-07-15 1:00 ` [PATCH 5/7] Add newline after "Error" in bootsector Pavel Roskin
2009-07-15 1:00 ` [PATCH 6/7] Increase BPB size to accommodate FAT32 Pavel Roskin
2009-07-15 1:00 ` [PATCH 7/7] RFC: Use correct addresses, eliminate manual relocations Pavel Roskin
2009-07-15 15:33 ` Pavel Roskin
2009-07-15 22:41 ` Vladimir 'phcoder' Serbinenko
2009-07-15 23:40 ` Pavel Roskin
2009-07-16 3:44 ` Pavel Roskin
2009-07-16 15:36 ` Vladimir 'phcoder' Serbinenko
2009-07-16 15:43 ` [PATCH 1/7] Make boot/i386/pc/boot.S safer to modify Robert Millan
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