95 lines
2.7 KiB
ArmAsm
95 lines
2.7 KiB
ArmAsm
/* A setjmp.c for FT32
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Copyright (C) 2014 FTDI (support@ftdichip.com)
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The authors hereby grant permission to use, copy, modify, distribute,
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and license this software and its documentation for any purpose, provided
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that existing copyright notices are retained in all copies and that this
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notice is included verbatim in any distributions. No written agreement,
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license, or royalty fee is required for any of the authorized uses.
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Modifications to this software may be copyrighted by their authors
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and need not follow the licensing terms described here, provided that
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the new terms are clearly indicated on the first page of each file where
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they apply. */
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# setjmp/longjmp for FT32.
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# Total jumpbuf size is 108 bytes, or 27 words.
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#
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.text
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.global setjmp
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.type setjmp,@function
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setjmp:
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pop.l $r5 # return address in $r5
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sti.l $r0,0,$r5
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sti.l $r0,4,$r6
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sti.l $r0,8,$r7
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sti.l $r0,12,$r8
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sti.l $r0,16,$r9
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sti.l $r0,20,$r10
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sti.l $r0,24,$r11
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sti.l $r0,28,$r12
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sti.l $r0,32,$r13
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sti.l $r0,36,$r14
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sti.l $r0,40,$r15
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sti.l $r0,44,$r16
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sti.l $r0,48,$r17
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sti.l $r0,52,$r18
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sti.l $r0,56,$r19
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sti.l $r0,60,$r20
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sti.l $r0,64,$r21
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sti.l $r0,68,$r22
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sti.l $r0,72,$r23
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sti.l $r0,76,$r24
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sti.l $r0,80,$r25
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sti.l $r0,84,$r26
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sti.l $r0,88,$r27
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sti.l $r0,92,$r28
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sti.l $r0,96,$r29
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sti.l $r0,100,$r30
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sti.l $r0,104,$r31
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ldk.l $r0,0
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jmpi $r5
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.Lend1:
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.size setjmp,.Lend1-setjmp
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.global longjmp
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.type longjmp,@function
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longjmp:
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cmp.l $r1,0
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jmpc nz,.nonz
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ldk.l $r1,1
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.nonz:
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ldi.l $r5,$r0,0
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ldi.l $r6,$r0,4
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ldi.l $r7,$r0,8
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ldi.l $r8,$r0,12
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ldi.l $r9,$r0,16
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ldi.l $r10,$r0,20
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ldi.l $r11,$r0,24
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ldi.l $r12,$r0,28
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ldi.l $r13,$r0,32
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ldi.l $r14,$r0,36
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ldi.l $r15,$r0,40
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ldi.l $r16,$r0,44
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ldi.l $r17,$r0,48
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ldi.l $r18,$r0,52
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ldi.l $r19,$r0,56
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ldi.l $r20,$r0,60
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ldi.l $r21,$r0,64
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ldi.l $r22,$r0,68
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ldi.l $r23,$r0,72
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ldi.l $r24,$r0,76
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ldi.l $r25,$r0,80
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ldi.l $r26,$r0,84
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ldi.l $r27,$r0,88
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ldi.l $r28,$r0,92
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ldi.l $r29,$r0,96
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ldi.l $r30,$r0,100
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ldi.l $r31,$r0,104
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move.l $r0,$r1
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jmpi $r5
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.Lend2:
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.size longjmp,.Lend2-longjmp
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