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[HAL] Create a macro for the HalpEndSoftwareInterrupt to allow reuse. CORE-14076

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Thomas Faber 2018-02-18 12:42:18 +01:00
parent 040d78354e
commit 7a9474a6bb
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GPG key ID: 076E7C3D44720826
1 changed files with 12 additions and 7 deletions
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19
hal/halx86/up/pic.S
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@ -11,8 +11,6 @@
#include <ks386.inc>
EXTERN @HalpEndSoftwareInterrupt2@8:PROC
/* GLOBALS *******************************************************************/
.data
@ -21,23 +19,26 @@ ASSUME CS:NOTHING, DS:NOTHING, ES:NOTHING, FS:NOTHING, GS:NOTHING
/* FUNCTIONS *****************************************************************/
.code
PUBLIC _HalpEndSoftwareInterrupt@8
.PROC _HalpEndSoftwareInterrupt@8
MACRO(DEFINE_END_INTERRUPT_WRAPPER, WrapperName, HandlerName)
EXTERN @&HandlerName&@8:PROC
PUBLIC _&WrapperName&@8
.PROC _&WrapperName&@8
FPO 0, 2, 0, 0, 0, FRAME_FPO
/* Call the C function with the same arguments we got */
mov ecx, [esp+4]
mov edx, [esp+8]
call @HalpEndSoftwareInterrupt2@8
call @&HandlerName&@8
/* Check if we got a pointer back */
test eax, eax
jnz CallIntHandler
jnz WrapperName&_CallIntHandler
/* No? Just return */
ret 8
CallIntHandler:
WrapperName&_CallIntHandler:
/* We got a pointer to call. Since it won't return, free up our stack
space. Otherwise we could end up with some nasty deep recursion.
The next function takes the trap frame as its (fastcall) argument. */
@ -45,5 +46,9 @@ CallIntHandler:
add esp, 12
jmp eax
.ENDP
ENDM
DEFINE_END_INTERRUPT_WRAPPER HalpEndSoftwareInterrupt, HalpEndSoftwareInterrupt2
END