108 lines
1.4 KiB
ArmAsm
108 lines
1.4 KiB
ArmAsm
#include "em_abs.h"
|
|
#include "syscall.h"
|
|
|
|
! $Header$
|
|
.sect .text; .sect .rom; .sect .data; .sect .bss
|
|
.sect .text
|
|
.define hol0
|
|
.define .reghp
|
|
.define .limhp
|
|
.define .trppc
|
|
.define .trpim
|
|
|
|
! run time startoff
|
|
.data2 0
|
|
bispsw $0100 ! set FU(0100)
|
|
movl 4(sp),r0
|
|
clrl -4(r0)
|
|
movl sp,r0
|
|
movl (r0)+,r1
|
|
movl r0,r2
|
|
1:
|
|
tstl (r0)+
|
|
bneq 1b
|
|
cmpl r0,(r2)
|
|
blssu 2f
|
|
tstl -(r0)
|
|
2:
|
|
pushl r0
|
|
pushl r2
|
|
pushl r1
|
|
movl $Im1,ap
|
|
chmk (ap)+ ! catch floating point exception
|
|
calls $3,_m_a_i_n
|
|
movl $Im2,ap
|
|
movl r0,6(ap)
|
|
chmk (ap)+
|
|
halt
|
|
|
|
.align 1
|
|
Isig8:
|
|
.data2 0x0000
|
|
pushl 8(ap)
|
|
movl $Im3,ap
|
|
chmk (ap)+ ! restore default handler
|
|
movl $Im5,ap
|
|
chmk (ap)+ ! get current signal mask
|
|
bicl3 $0x80,r0,Im4+6 ! and remove the 8th bit
|
|
movl $Im4,ap
|
|
chmk (ap)+ ! and
|
|
movl (sp)+,ap
|
|
pushl Itab [ap]
|
|
jsb .trp
|
|
movl $Im1,ap
|
|
chmk (ap)+
|
|
ret
|
|
|
|
.sect .data
|
|
Im1:
|
|
.data2 SYS_sigvec
|
|
.data4 3
|
|
.data4 8
|
|
.data4 Im1a
|
|
.data4 0
|
|
Im3:
|
|
.data2 SYS_sigvec
|
|
.data4 3
|
|
.data4 8
|
|
.data4 0
|
|
.data4 0
|
|
Im4:
|
|
.data2 SYS_sigsetmask
|
|
.data4 1
|
|
.data4 0
|
|
Im5:
|
|
.data2 SYS_sigblock
|
|
.data4 1
|
|
.data4 0
|
|
Im1a:
|
|
.data4 Isig8
|
|
.data4 0
|
|
.data4 0
|
|
Im2:
|
|
.data2 1
|
|
.data4 1
|
|
.data4 0
|
|
.reghp:
|
|
.data4 __end
|
|
.limhp:
|
|
.data4 __end
|
|
hol0:
|
|
.space 8
|
|
.trppc:
|
|
.space 4
|
|
.trpim:
|
|
.data4 0
|
|
Itab:
|
|
.data4 0
|
|
.data4 EIOVFL
|
|
.data4 EIDIVZ
|
|
.data4 EFOVFL
|
|
.data4 EFDIVZ
|
|
.data4 EFUNFL
|
|
.data4 EILLINS
|
|
.data4 EARRAY
|
|
.data4 EFOVFL
|
|
.data4 EFDIVZ
|
|
.data4 EFUNFL
|