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55 lines
1.4 KiB
ArmAsm
55 lines
1.4 KiB
ArmAsm
/*
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* FILE: hal/halx86/up/pic.S
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* COPYRIGHT: See COPYING in the top level directory
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* PURPOSE: HAL PIC Management and Control Code
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* PROGRAMMER: Thomas Faber (thomas.faber@reactos.org)
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*/
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/* INCLUDES ******************************************************************/
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#include <asm.inc>
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#include <ks386.inc>
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/* GLOBALS *******************************************************************/
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.data
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ASSUME CS:NOTHING, DS:NOTHING, ES:NOTHING, FS:NOTHING, GS:NOTHING
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/* FUNCTIONS *****************************************************************/
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.code
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MACRO(DEFINE_END_INTERRUPT_WRAPPER, WrapperName, HandlerName)
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EXTERN @&HandlerName&@8:PROC
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PUBLIC _&WrapperName&@8
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.PROC _&WrapperName&@8
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FPO 0, 2, 0, 0, 0, FRAME_FPO
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/* Call the C function with the same arguments we got */
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mov ecx, [esp+4]
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mov edx, [esp+8]
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call @&HandlerName&@8
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/* Check if we got a pointer back */
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test eax, eax
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jnz WrapperName&_CallIntHandler
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/* No? Just return */
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ret 8
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WrapperName&_CallIntHandler:
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/* We got a pointer to call. Since it won't return, free up our stack
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space. Otherwise we could end up with some nasty deep recursion.
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The next function takes the trap frame as its (fastcall) argument. */
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mov ecx, [esp+8]
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add esp, 12
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jmp eax
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.ENDP
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ENDM
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DEFINE_END_INTERRUPT_WRAPPER HalpEndSoftwareInterrupt, HalpEndSoftwareInterrupt2
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END
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