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