fpc/rtl/linux/sparc/syscall.inc
2004-07-02 19:29:19 +00:00

321 lines
8.5 KiB
PHP

{
$Id$
This file is part of the Free Pascal run time library.
Copyright (c) 1999-2000 by Michael Van Canneyt,
member of the Free Pascal development team.
See the file COPYING.FPC, included in this distribution,
for details about the copyright.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
**********************************************************************}
{No debugging for syslinux include !}
{$IFDEF SYS_LINUX}
{$UNDEF SYSCALL_DEBUG}
{$ENDIF SYS_LINUX}
{*****************************************************************************
--- Main:The System Call Self ---
*****************************************************************************}
function FpSysCall(sysnr:TSysParam):TSysResult; assembler;[public,alias:'FPC_SYSCALL0'];
{
This function puts the registers in place, does the call, and then
copies back the registers as they are after the SysCall.
}
asm
mov %i0,%g1
ta 0x10
bcc .LSyscOK
nop
sethi %hi(fpc_threadvar_relocate_proc),%o2
or %o2,%lo(fpc_threadvar_relocate_proc),%o2
ld [%o2],%o3
subcc %o3,%g0,%g0
bne .LThread
nop
sethi %hi(Errno+4),%o2
ba .LNoThread
or %o2,%lo(Errno+4),%o2
.LThread:
sethi %hi(Errno),%o0
ld [%o3],%o1
or %o0,%lo(Errno),%o0
call %o1
.LNoThread:
st %o0,[%o2]
mov -1,%o0
.LSyscOK:
mov %o0,%i0
end;
function FpSysCall(sysnr,param1:TSysParam):TSysResult; assembler;[public,alias:'FPC_SYSCALL1'];
{
This function puts the registers in place, does the call, and then
copies back the registers as they are after the SysCall.
}
asm
mov %i0,%g1
mov %i1,%o0
ta 0x10
bcc .LSyscOK
nop
sethi %hi(fpc_threadvar_relocate_proc),%o2
or %o2,%lo(fpc_threadvar_relocate_proc),%o2
ld [%o2],%o3
subcc %o3,%g0,%g0
bne .LThread
nop
sethi %hi(Errno+4),%o2
ba .LNoThread
or %o2,%lo(Errno+4),%o2
.LThread:
sethi %hi(Errno),%o0
ld [%o3],%o1
or %o0,%lo(Errno),%o0
call %o1
.LNoThread:
st %o0,[%o2]
mov -1,%o0
.LSyscOK:
mov %o0,%i0
end;
function FpSysCall(sysnr,param1,param2:TSysParam):TSysResult; assembler;[public,alias:'FPC_SYSCALL2'];
{
This function puts the registers in place, does the call, and then
copies back the registers as they are after the SysCall.
}
asm
mov %i0,%g1
mov %i1,%o0
mov %i2,%o1
ta 0x10
bcc .LSyscOK
nop
sethi %hi(fpc_threadvar_relocate_proc),%o2
or %o2,%lo(fpc_threadvar_relocate_proc),%o2
ld [%o2],%o3
subcc %o3,%g0,%g0
bne .LThread
nop
sethi %hi(Errno+4),%o2
ba .LNoThread
or %o2,%lo(Errno+4),%o2
.LThread:
sethi %hi(Errno),%o0
ld [%o3],%o1
or %o0,%lo(Errno),%o0
call %o1
.LNoThread:
st %o0,[%o2]
mov -1,%o0
.LSyscOK:
mov %o0,%i0
end;
function FpSysCall(sysnr,param1,param2,param3:TSysParam):TSysResult; assembler;[public,alias:'FPC_SYSCALL3'];
{
This function puts the registers in place, does the call, and then
copies back the registers as they are after the SysCall.
}
asm
mov %i0,%g1
mov %i1,%o0
mov %i2,%o1
mov %i3,%o2
ta 0x10
bcc .LSyscOK
nop
sethi %hi(fpc_threadvar_relocate_proc),%o2
or %o2,%lo(fpc_threadvar_relocate_proc),%o2
ld [%o2],%o3
subcc %o3,%g0,%g0
bne .LThread
nop
sethi %hi(Errno+4),%o2
ba .LNoThread
or %o2,%lo(Errno+4),%o2
.LThread:
sethi %hi(Errno),%o0
ld [%o3],%o1
or %o0,%lo(Errno),%o0
call %o1
.LNoThread:
st %o0,[%o2]
mov -1,%o0
.LSyscOK:
mov %o0,%i0
end;
function FpSysCall(sysnr,param1,param2,param3,param4:TSysParam):TSysResult; assembler;[public,alias:'FPC_SYSCALL4'];
{
This function puts the registers in place, does the call, and then
copies back the registers as they are after the SysCall.
}
asm
mov %i0,%g1
mov %i1,%o0
mov %i2,%o1
mov %i3,%o2
mov %i4,%o3
ta 0x10
bcc .LSyscOK
nop
sethi %hi(fpc_threadvar_relocate_proc),%o2
or %o2,%lo(fpc_threadvar_relocate_proc),%o2
ld [%o2],%o3
subcc %o3,%g0,%g0
bne .LThread
nop
sethi %hi(Errno+4),%o2
ba .LNoThread
or %o2,%lo(Errno+4),%o2
.LThread:
sethi %hi(Errno),%o0
ld [%o3],%o1
or %o0,%lo(Errno),%o0
call %o1
.LNoThread:
st %o0,[%o2]
mov -1,%o0
.LSyscOK:
mov %o0,%i0
end;
function FpSysCall(sysnr,param1,param2,param3,param4,param5:TSysParam):TSysResult; assembler;[public,alias:'FPC_SYSCALL5'];
{
This function puts the registers in place, does the call, and then
copies back the registers as they are after the SysCall.
}
asm
mov %i0,%g1
mov %i1,%o0
mov %i2,%o1
mov %i3,%o2
mov %i4,%o3
mov %i5,%o4
ta 0x10
bcc .LSyscOK
nop
sethi %hi(fpc_threadvar_relocate_proc),%o2
or %o2,%lo(fpc_threadvar_relocate_proc),%o2
ld [%o2],%o3
subcc %o3,%g0,%g0
bne .LThread
nop
sethi %hi(Errno+4),%o2
ba .LNoThread
or %o2,%lo(Errno+4),%o2
.LThread:
sethi %hi(Errno),%o0
ld [%o3],%o1
or %o0,%lo(Errno),%o0
call %o1
.LNoThread:
st %o0,[%o2]
mov -1,%o0
.LSyscOK:
mov %o0,%i0
end;
function FpSysCall(sysnr,param1,param2,param3,param4,param5,param6:TSysParam):TSysResult; assembler;[public,alias:'FPC_SYSCALL6'];
{
This function puts the registers in place, does the call, and then
copies back the registers as they are after the SysCall.
}
asm
mov %i0,%g1
mov %i1,%o0
mov %i2,%o1
mov %i3,%o2
mov %i4,%o3
ld [%i6+92],%o5
mov %i5,%o4
ta 0x10
bcc .LSyscOK
nop
sethi %hi(fpc_threadvar_relocate_proc),%o2
or %o2,%lo(fpc_threadvar_relocate_proc),%o2
ld [%o2],%o3
subcc %o3,%g0,%g0
bne .LThread
nop
sethi %hi(Errno+4),%o2
ba .LNoThread
or %o2,%lo(Errno+4),%o2
.LThread:
sethi %hi(Errno),%o0
ld [%o3],%o1
or %o0,%lo(Errno),%o0
call %o1
.LNoThread:
st %o0,[%o2]
mov -1,%o0
.LSyscOK:
mov %o0,%i0
end;
{
$Log$
Revision 1.13 2004-07-02 19:29:19 peter
* fixed errno setting
Revision 1.12 2004/06/30 21:15:51 florian
* first syscall fix
Revision 1.11 2004/02/06 23:06:16 florian
- killed tsyscallregs
Revision 1.10 2004/01/05 17:22:03 peter
* removed asmmode direct
Revision 1.9 2003/08/11 13:19:08 mazen
+ added assembler mode directive to use direct assembler reader
Revision 1.8 2003/07/06 22:08:05 peter
* fix setting return value
Revision 1.7 2003/07/06 20:40:10 peter
* wrong return reg
Revision 1.6 2003/07/03 21:03:57 peter
* syscalls implemented
Revision 1.5 2003/06/02 22:05:03 mazen
* fixing naming conflict in public clause of
FPC_SYSCALL? definition
Revision 1.4 2003/05/23 22:36:39 florian
* fixed compilation of sparc system unit
Revision 1.3 2003/01/05 21:32:35 mazen
* fixing several bugs compiling the RTL
Revision 1.2 2002/12/24 21:30:20 mazen
- some writeln(s) removed in compiler
+ many files added to RTL
* some errors fixed in RTL
Revision 1.1 2002/11/15 12:08:37 mazen
+ SPARC support added based on PowerPc sources
Revision 1.1 2002/11/09 20:32:14 marco
* powerpc version. Threadsafe errno access not yet done.
Revision 1.1 2002/10/14 19:39:44 peter
* syscall moved into seperate include
}