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- remove obsolete assembler code

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git-svn-id: http://svn.lfbs.rwth-aachen.de/svn/scc/trunk/MetalSVM@62 315a16e6-25f9-4109-90ae-ca3045a26c18
This commit is contained in:
stefan 2010-08-10 20:20:32 +00:00
parent d07aed31e9
commit ce3c5e3d57
1 changed files with 3 additions and 65 deletions
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68
arch/x86/kernel/entry.asm
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@ -417,29 +417,16 @@ extern syscall_handler
; used to realize system calls
isrsyscall:
push dword 0x00
push dword 0x80
pusha
; We switched from software- to hardwaree-based multitasking
; Therefore, we do not longer save the registers by hand.
; push ds
; push es
; push fs
; push gs
; mov ax, 0x10
; mov ds, ax
; mov es, ax
; mov fs, ax
; mov gs, ax
push esp
call syscall_handler
add esp, 4
; pop gs
; pop fs
; pop es
; pop ds
popa
add esp, 8
iret
; We call a C function in here. We need to let the assembler know
@ -451,28 +438,11 @@ extern fault_handler
; and finally restores the stack frame.
isr_common_stub:
pusha
; We switched from software- to hardwaree-based multitasking
; Therefore, we do not longer save the registers by hand.
pusha
; push ds
; push es
; push fs
; push gs
; mov ax, 0x10
; mov ds, ax
; mov es, ax
; mov fs, ax
; mov gs, ax
push esp
call fault_handler
add esp, 4
; pop gs
; pop fs
; pop es
; pop ds
popa
add esp, 8
iret
@ -533,18 +503,6 @@ irq0:
push byte 0
push byte 32
pusha
; We switched from software- to hardwaree-based multitasking
; Therefore, we do not longer save the registers by hand.
; push ds
; push es
; push fs
; push gs
; mov ax, 0x10
; mov ds, ax
; mov es, ax
; mov fs, ax
; mov gs, ax
push esp
call irq_handler
@ -567,10 +525,6 @@ hack2:
jmp 0x00 : 0xDEADBEAF
no_task_switch2:
; pop gs
; pop fs
; pop es
; pop ds
popa
add esp, 8
iret
@ -712,27 +666,11 @@ irq15:
irq_common_stub:
pusha
; We switched from software- to hardwaree-based multitasking
; Therefore, we do not longer save the registers by hand.
; push ds
; push es
; push fs
; push gs
; mov ax, 0x10
; mov ds, ax
; mov es, ax
; mov fs, ax
; mov gs, ax
push esp
call irq_handler
add esp, 4
; pop gs
; pop fs
; pop es
; pop ds
popa
add esp, 8
iret