diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/m88k/conf/files.m88k | 7 | ||||
| -rw-r--r-- | sys/lib/libkern/arch/m88k/divsi3.S | 61 | ||||
| -rw-r--r-- | sys/lib/libkern/arch/m88k/modsi3.S | 64 | ||||
| -rw-r--r-- | sys/lib/libkern/arch/m88k/udivsi3.S | 34 | ||||
| -rw-r--r-- | sys/lib/libkern/arch/m88k/umodsi3.S | 36 |
5 files changed, 201 insertions, 1 deletions
diff --git a/sys/arch/m88k/conf/files.m88k b/sys/arch/m88k/conf/files.m88k index a5662f57978..82a36c01148 100644 --- a/sys/arch/m88k/conf/files.m88k +++ b/sys/arch/m88k/conf/files.m88k @@ -1,4 +1,4 @@ -# $OpenBSD: files.m88k,v 1.24 2010/12/31 21:38:08 miod Exp $ +# $OpenBSD: files.m88k,v 1.25 2013/06/07 17:31:31 miod Exp $ file arch/m88k/m88k/atomic.S multiprocessor file arch/m88k/m88k/db_disasm.c ddb @@ -29,6 +29,11 @@ file arch/m88k/m88k/vm_machdep.c file arch/m88k/m88k/m88110_fp.c m88110 file lib/libkern/softfloat.c m88110 +file lib/libkern/arch/m88k/divsi3.S +file lib/libkern/arch/m88k/modsi3.S +file lib/libkern/arch/m88k/udivsi3.S +file lib/libkern/arch/m88k/umodsi3.S + # quad support is necessary for 32 bit architectures file lib/libkern/adddi3.c file lib/libkern/anddi3.c diff --git a/sys/lib/libkern/arch/m88k/divsi3.S b/sys/lib/libkern/arch/m88k/divsi3.S new file mode 100644 index 00000000000..4a1a4f84cc5 --- /dev/null +++ b/sys/lib/libkern/arch/m88k/divsi3.S @@ -0,0 +1,61 @@ +/* $OpenBSD: divsi3.S,v 1.1 2013/06/07 17:31:31 miod Exp $ */ + +/* + * Copyright (c) 2013 Miodrag Vallat. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + + +#include <machine/asm.h> + +/* + * int __divsi3(int n, int d); + */ + +ENTRY(__divsi3) + /* if divider is zero, trap */ + bcnd ne0, %r3, 1f + tb0 0, %r0, 503 +1: + + bb1 31, %r2, 1f + bb1 31, %r3, 2f + + /* both operands are positive */ + jmp.n %r1 + divu %r2, %r2, %r3 + +1: + bb1 31, %r3, 3f + + /* r2 is negative, r3 is positive */ + subu %r4, %r0, %r2 + divu %r5, %r4, %r3 + jmp.n %r1 + subu %r2, %r0, %r5 + +2: + /* r2 is positive, r3 is negative */ + subu %r5, %r0, %r3 + divu %r4, %r2, %r5 + jmp.n %r1 + subu %r2, %r0, %r4 + +3: + /* both operands are negative */ + subu %r4, %r0, %r2 + subu %r5, %r0, %r3 + jmp.n %r1 + divu %r2, %r4, %r5 +END(__divsi3) diff --git a/sys/lib/libkern/arch/m88k/modsi3.S b/sys/lib/libkern/arch/m88k/modsi3.S new file mode 100644 index 00000000000..eb72ca97024 --- /dev/null +++ b/sys/lib/libkern/arch/m88k/modsi3.S @@ -0,0 +1,64 @@ +/* $OpenBSD: modsi3.S,v 1.1 2013/06/07 17:31:31 miod Exp $ */ + +/* + * Copyright (c) 2013 Miodrag Vallat. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + + +#include <machine/asm.h> + +/* + * int __modsi3(int n, int d); + */ + +ENTRY(__modsi3) + /* if divider is zero, trap */ + bcnd ne0, %r3, 1f + tb0 0, %r0, 503 +1: + + bb1 31, %r2, 1f + bb1 31, %r3, 2f + + /* both operands are positive */ + divu %r4, %r2, %r3 +9: + mul %r5, %r4, %r3 + jmp.n %r1 + subu %r2, %r2, %r5 + +1: + bb1 31, %r3, 3f + + /* r2 is negative, r3 is positive */ + subu %r4, %r0, %r2 + divu %r5, %r4, %r3 + subu %r4, %r0, %r5 + br 9b + +2: + /* r2 is positive, r3 is negative */ + subu %r5, %r0, %r3 + divu %r4, %r2, %r5 + subu %r4, %r0, %r4 + br 9b + +3: + /* both operands are negative */ + subu %r4, %r0, %r2 + subu %r5, %r0, %r3 + divu %r4, %r4, %r5 + br 9b +END(__modsi3) diff --git a/sys/lib/libkern/arch/m88k/udivsi3.S b/sys/lib/libkern/arch/m88k/udivsi3.S new file mode 100644 index 00000000000..96b8ab554a7 --- /dev/null +++ b/sys/lib/libkern/arch/m88k/udivsi3.S @@ -0,0 +1,34 @@ +/* $OpenBSD: udivsi3.S,v 1.1 2013/06/07 17:31:31 miod Exp $ */ + +/* + * Copyright (c) 2013 Miodrag Vallat. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + + +#include <machine/asm.h> + +/* + * uint __udivsi3(uint n, uint d); + */ + +ENTRY(__udivsi3) + /* if divider is zero, trap */ + bcnd ne0, %r3, 1f + tb0 0, %r0, 503 +1: + + jmp.n %r1 + divu %r2, %r2, %r3 +END(__udivsi3) diff --git a/sys/lib/libkern/arch/m88k/umodsi3.S b/sys/lib/libkern/arch/m88k/umodsi3.S new file mode 100644 index 00000000000..c23b20decc7 --- /dev/null +++ b/sys/lib/libkern/arch/m88k/umodsi3.S @@ -0,0 +1,36 @@ +/* $OpenBSD: umodsi3.S,v 1.1 2013/06/07 17:31:31 miod Exp $ */ + +/* + * Copyright (c) 2013 Miodrag Vallat. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + + +#include <machine/asm.h> + +/* + * uint __umodsi3(uint n, uint d); + */ + +ENTRY(__umodsi3) + /* if divider is zero, trap */ + bcnd ne0, %r3, 1f + tb0 0, %r0, 503 +1: + + divu %r4, %r2, %r3 + mulu %r5, %r4, %r3 + jmp.n %r1 + subu %r2, %r2, %r5 +END(__umodsi3) |