diff options
| author | jkim <jkim@FreeBSD.org> | 2007-02-15 01:13:36 +0000 |
|---|---|---|
| committer | jkim <jkim@FreeBSD.org> | 2007-02-15 01:13:36 +0000 |
| commit | ca68f71cb93c39ec4a8a8f5c89d90469f2c73675 (patch) | |
| tree | 1dd3798d1880b57212b3e0c15ecce60fd88a47fc | |
| parent | 6fadbd6f66b3bf791552eda479f86ffcc27d5be2 (diff) | |
| download | FreeBSD-src-ca68f71cb93c39ec4a8a8f5c89d90469f2c73675.zip FreeBSD-src-ca68f71cb93c39ec4a8a8f5c89d90469f2c73675.tar.gz | |
MFP4: 113033
Port iopl(2) from i386. This fixes LTP iopl01 and iopl02 on amd64.
| -rw-r--r-- | sys/amd64/linux32/linux32_machdep.c | 20 | ||||
| -rw-r--r-- | sys/amd64/linux32/syscalls.master | 2 |
2 files changed, 20 insertions, 2 deletions
diff --git a/sys/amd64/linux32/linux32_machdep.c b/sys/amd64/linux32/linux32_machdep.c index 53ad3d4..a890569 100644 --- a/sys/amd64/linux32/linux32_machdep.c +++ b/sys/amd64/linux32/linux32_machdep.c @@ -43,6 +43,7 @@ __FBSDID("$FreeBSD$"); #include <sys/malloc.h> #include <sys/mman.h> #include <sys/mutex.h> +#include <sys/priv.h> #include <sys/proc.h> #include <sys/resource.h> #include <sys/resourcevar.h> @@ -52,6 +53,7 @@ __FBSDID("$FreeBSD$"); #include <sys/unistd.h> #include <machine/frame.h> +#include <machine/psl.h> #include <vm/vm.h> #include <vm/pmap.h> @@ -902,6 +904,23 @@ linux_mmap_common(struct thread *td, struct l_mmap_argv *linux_args) } int +linux_iopl(struct thread *td, struct linux_iopl_args *args) +{ + int error; + + if (args->level < 0 || args->level > 3) + return (EINVAL); + if ((error = priv_check(td, PRIV_IO)) != 0) + return (error); + if ((error = securelevel_gt(td->td_ucred, 0)) != 0) + return (error); + td->td_frame->tf_rflags = (td->td_frame->tf_rflags & ~PSL_IOPL) | + (args->level * (PSL_IOPL / 3)); + + return (0); +} + +int linux_pipe(struct thread *td, struct linux_pipe_args *args) { int pip[2]; @@ -932,7 +951,6 @@ linux_pipe(struct thread *td, struct linux_pipe_args *args) td->td_retval[0] = 0; return (0); } - int linux_sigaction(struct thread *td, struct linux_sigaction_args *args) { diff --git a/sys/amd64/linux32/syscalls.master b/sys/amd64/linux32/syscalls.master index d29c0fe..9c3ee1e 100644 --- a/sys/amd64/linux32/syscalls.master +++ b/sys/amd64/linux32/syscalls.master @@ -198,7 +198,7 @@ 108 AUE_FSTAT STD { int linux_newfstat(l_uint fd, \ struct l_newstat *buf); } 109 AUE_NULL STD { int linux_uname(void); } -110 AUE_NULL UNIMPL iopl +110 AUE_NULL STD { int linux_iopl(l_ulong level); } 111 AUE_NULL STD { int linux_vhangup(void); } 112 AUE_NULL UNIMPL idle 113 AUE_NULL UNIMPL vm86old |
