--- setup.S.orig Sat Mar 6 23:49:33 2004
+++ setup.S Sun Mar 7 04:38:08 2004
@@ -133,7 +133,7 @@
ramdisk_size: .long 0 # its size in bytes
bootsect_kludge:
- .word bootsect_helper, SETUPSEG
+ .long 0 # obsolete
heap_end_ptr: .word modelist+1024 # (Header version 0x0201 or later)
# space from here (exclusive) down to
@@ -837,7 +837,7 @@
subw $DELTA_INITSEG, %si
shll $4, %esi # Convert to 32-bit pointer
-# jump to startup_32 in arch/i386/kernel/head.S
+# jump to startup_32 in arch/i386/boot/compressed/head.S
#
# NOTE: For high loaded big kernels we need a
# jmpi 0x100000,__BOOT_CS
@@ -871,88 +871,6 @@
# sequence
outb %al, $0x70
lret
-
-# This routine only gets called, if we get loaded by the simple
-# bootsect loader _and_ have a bzImage to load.
-# Because there is no place left in the 512 bytes of the boot sector,
-# we must emigrate to code space here.
-bootsect_helper:
- cmpw $0, %cs:bootsect_es
- jnz bootsect_second
-
- movb $0x20, %cs:type_of_loader
- movw %es, %ax
- shrw $4, %ax
- movb %ah, %cs:bootsect_src_base+2
- movw %es, %ax
- movw %ax, %cs:bootsect_es
- subw $SYSSEG, %ax
- lret # nothing else to do for now
-
-bootsect_second:
- pushw %cx
- pushw %si
- pushw %bx
- testw %bx, %bx # 64K full?
- jne bootsect_ex
-
- movw $0x8000, %cx # full 64K, INT15 moves words
- pushw %cs
- popw %es
- movw $bootsect_gdt, %si
- movw $0x8700, %ax
- int $0x15
- jc bootsect_panic # this, if INT15 fails
-
- movw %cs:bootsect_es, %es # we reset %es to always point
- incb %cs:bootsect_dst_base+2 # to 0x10000
-bootsect_ex:
- movb %cs:bootsect_dst_base+2, %ah
- shlb $4, %ah # we now have the number of
- # moved frames in %ax
- xorb %al, %al
- popw %bx
- popw %si
- popw %cx
- lret
-
-bootsect_gdt:
- .word 0, 0, 0, 0
- .word 0, 0, 0, 0
-
-bootsect_src:
- .word 0xffff
-
-bootsect_src_base:
- .byte 0x00, 0x00, 0x01 # base = 0x010000
- .byte 0x93 # typbyte
- .word 0 # limit16,base24 =0
-
-bootsect_dst:
- .word 0xffff
-
-bootsect_dst_base:
- .byte 0x00, 0x00, 0x10 # base = 0x100000
- .byte 0x93 # typbyte
- .word 0 # limit16,base24 =0
- .word 0, 0, 0, 0 # BIOS CS
- .word 0, 0, 0, 0 # BIOS DS
-
-bootsect_es:
- .word 0
-
-bootsect_panic:
- pushw %cs
- popw %ds
- cld
- leaw bootsect_panic_mess, %si
- call prtstr
-
-bootsect_panic_loop:
- jmp bootsect_panic_loop
-
-bootsect_panic_mess:
- .string "INT15 refuses to access high mem, giving up."
#ifndef CONFIG_X86_VOYAGER