107 lines
2.1 KiB
ArmAsm
107 lines
2.1 KiB
ArmAsm
; setjmp/longjmp for D30V.
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.text
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.globl setjmp
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.type setjmp,@function
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.stabs "setjmp.S",100,0,0,setjmp
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.stabs "int:t(0,1)=r(0,1);-2147483648;2147483647;",128,0,0,0
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.stabs "setjmp:F(0,1)",36,0,1,setjmp
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setjmp:
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; Address of jmpbuf is passed in R2. Save the appropriate registers.
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st2w r26, @(r2+,r0)
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st2w r28, @(r2+,r0)
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st2w r30, @(r2+,r0)
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st2w r32, @(r2+,r0)
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st2w r34, @(r2+,r0)
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st2w r36, @(r2+,r0)
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st2w r38, @(r2+,r0)
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st2w r40, @(r2+,r0)
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st2w r42, @(r2+,r0)
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st2w r44, @(r2+,r0)
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st2w r46, @(r2+,r0)
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st2w r48, @(r2+,r0)
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st2w r50, @(r2+,r0)
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st2w r52, @(r2+,r0)
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st2w r54, @(r2+,r0)
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st2w r56, @(r2+,r0)
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st2w r58, @(r2+,r0)
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st2w r60, @(r2+,r0)
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st2w r62, @(r2+,r0)
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mvfacc r4, a1, 16
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mvfacc r5, a1, 0
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st2w r4, @(r2+,r0)
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mvfsys r4, psw
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mvfsys r5, rpt_c
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st2w r4, @(r2+,r0)
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mvfsys r4, rpt_s
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mvfsys r5, rpt_e
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st2w r4, @(r2+,r0)
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mvfsys r4, mod_s
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mvfsys r5, mod_e
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st2w r4, @(r2+,r0)
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; Return 0 to caller
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add r2, r0, r0
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jmp link
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.Lsetjmp:
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.size setjmp,.Lsetjmp-setjmp
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.stabs "",36,0,0,.Lsetjmp-setjmp
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.globl longjmp
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.type longjmp,@function
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.stabs "longjmp:F(0,1)",36,0,1,longjmp
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longjmp:
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; Address of jmpbuf is in R2. Restore the registers.
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ld2w r26, @(r2+,r0)
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ld2w r28, @(r2+,r0)
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ld2w r30, @(r2+,r0)
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ld2w r32, @(r2+,r0)
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ld2w r34, @(r2+,r0)
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ld2w r36, @(r2+,r0)
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ld2w r38, @(r2+,r0)
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ld2w r40, @(r2+,r0)
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ld2w r42, @(r2+,r0)
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ld2w r44, @(r2+,r0)
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ld2w r46, @(r2+,r0)
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ld2w r48, @(r2+,r0)
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ld2w r50, @(r2+,r0)
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ld2w r52, @(r2+,r0)
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ld2w r54, @(r2+,r0)
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ld2w r56, @(r2+,r0)
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ld2w r58, @(r2+,r0)
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ld2w r60, @(r2+,r0)
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ld2w r62, @(r2+,r0)
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ld2w r4, @(r2+,r0)
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mvtacc a1, r4, r5
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mvfsys r6, psw
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ld2w r4, @(r2+,r0) /* psw, rpt_c */
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and r6, r6, 0xfcff /* set rp, md bits from setjmp, leave */
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and r4, r4, 0x0300 /* all other psw bits the same */
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or r4, r4, r6
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mvtsys psw, r4
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mvtsys rpt_c, r5
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ld2w r4, @(r2+,r0)
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mvtsys rpt_s, r4
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mvtsys rpt_e, r5
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ld2w r4, @(r2+,r0)
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mvtsys mod_s, r4
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mvtsys mod_e, r5
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; Value to return to caller is in R3. If caller attemped to return 0,
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; return 1 instead.
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cmpeq f0, r3, 0 || add r2, r3, r0
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jmp link || add/tx r2, r2, 1
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.Llongjmp:
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.size longjmp,.Llongjmp-longjmp
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.stabs "",36,0,0,.Llongjmp-longjmp
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