Difference between revisions of "RISC/os"

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[[System V]]-derived, [[Endianess|big endian]] MIPS UNIX with BSD and POSIX extensions, for the computer systems made by the former [[Wikipedia:MIPS_Computer_Systems,_Inc.|MIPS Computersystems, Inc.]] including the MIPS Magnum 3000 (also known as [http://www.netbsd.org/Ports/mipsco/ mipsco]), Microsoft/MIPS Magnum 4000 ([[Jazz]]), M120 and more.
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[[Wikipedia:UNIX System V|System V]]-derived, [[Endianess|big endian]] MIPS UNIX with BSD and POSIX extensions, for the computer systems made by the former [[Wikipedia:MIPS_Computer_Systems,_Inc.|MIPS Computersystems, Inc.]] including the MIPS Magnum 3000 (also known as [http://www.netbsd.org/Ports/mipsco/ mipsco]), Microsoft/MIPS Magnum 4000 ([[Jazz]]), M120 and more.
  
 
RISC/os also had maybe the most inflated syscall interface as can be seen in this header file defining the [http://www.linux-mips.org/git?p=linux.git;a=blob;h=4d8eb15461eb6a6e30a8193c38734b1d98691dbc;hb=f578894cb9e92729f3c2dd4f48480f6c04008d1a;f=include/asm-mips/riscos-syscall.h  RISC/os syscalls].  The basic structure is:
 
RISC/os also had maybe the most inflated syscall interface as can be seen in this header file defining the [http://www.linux-mips.org/git?p=linux.git;a=blob;h=4d8eb15461eb6a6e30a8193c38734b1d98691dbc;hb=f578894cb9e92729f3c2dd4f48480f6c04008d1a;f=include/asm-mips/riscos-syscall.h  RISC/os syscalls].  The basic structure is:

Revision as of 20:56, 31 January 2008

System V-derived, big endian MIPS UNIX with BSD and POSIX extensions, for the computer systems made by the former MIPS Computersystems, Inc. including the MIPS Magnum 3000 (also known as mipsco), Microsoft/MIPS Magnum 4000 (Jazz), M120 and more.

RISC/os also had maybe the most inflated syscall interface as can be seen in this header file defining the RISC/os syscalls. The basic structure is:

* 0 - 999 System V Release 4 flavored syscalls
* 1000 - 1999 System V syscalls.  All flavors of IRIX use this number range as well.
* 2000 - 2999 BSD 4.3 syscalls
* 3000 - 3999 POSIX syscalls

The Linux system call interface is derived and extends this by adding (see asm-mips/unistd.h):

* 4000 - 4999 Linux O32 syscalls
* 5000 - 5999 Linux N64 syscalls
* 6000 - 6999 Linux N32 syscalls

See also