remove unnecessary function calls.
The rombios always becomes read-only after using 32bit gateway.
That is not handy for using the gateway.
Signed-off-by: Kouya Shimura <kouya@xxxxxxxxxxxxxx>

diff -r 10a8fae412c5 tools/firmware/rombios/32bitgateway.c
--- a/tools/firmware/rombios/32bitgateway.c Wed Jan 14 13:43:17 2009 +0000
+++ b/tools/firmware/rombios/32bitgateway.c Thu Jan 15 18:34:34 2009 +0900
@@ -126,18 +126,18 @@
 gdt_entry_pm_cs:
 ; 32 bit code segment for protected mode
 .word 0xffff, 0x0000
- .byte 0x00, 0x9a, 0xcf, 0x00
+ .byte 0x00, 0x9b, 0xcf, 0x00
 
 gdt_entry_pm_16bit_cs:
 ; temp. 16 bit code segment used while in protected mode
 .word 0xffff, 0x0000
- .byte SEGMENT_OFFSET >> 16, 0x9a, 0x0, 0x0
+ .byte SEGMENT_OFFSET >> 16, 0x9b, 0x0, 0x0
 
 gdt_entry_pm_32bit_ds:
 ; (32 bit) data segment (r/w) reaching all possible areas in 32bit memory
 ; 4kb granularity
 .word 0xffff, 0x0000
- .byte 0x0, 0x92, 0xcf, 0x0
+ .byte 0x0, 0x93, 0xcf, 0x0
 gdt_entry_end:
 
 my_gdtdesc:
@@ -356,9 +356,6 @@
 call _store_returnaddress ; store away
 pop ax
 
- ; XXX GDT munging requires ROM to be writable!
- call _enable_rom_write_access
-
 rol bx, #2
 mov si, #jmptable
 seg cs
@@ -385,8 +382,6 @@
 mov bp,sp
 push eax ; preserve work register
 
- call _disable_rom_write_access
-
 call _get_returnaddress
 mov 2[bp], ax ; 16bit return address onto stack
 

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