diff options
Diffstat (limited to 'sys/i386/i386/sys_machdep.c')
| -rw-r--r-- | sys/i386/i386/sys_machdep.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/sys/i386/i386/sys_machdep.c b/sys/i386/i386/sys_machdep.c index 4245748efa4b..951886273107 100644 --- a/sys/i386/i386/sys_machdep.c +++ b/sys/i386/i386/sys_machdep.c @@ -105,6 +105,7 @@ sysarch(td, uap) union { struct i386_ldt_args largs; struct i386_ioperm_args iargs; + struct i386_get_xfpustate xfpu; } kargs; uint32_t base; struct segment_descriptor sd, *sdp; @@ -126,6 +127,7 @@ sysarch(td, uap) case I386_SET_FSBASE: case I386_GET_GSBASE: case I386_SET_GSBASE: + case I386_GET_XFPUSTATE: break; case I386_SET_IOPERM: @@ -154,6 +156,11 @@ sysarch(td, uap) if (kargs.largs.num > MAX_LD || kargs.largs.num <= 0) return (EINVAL); break; + case I386_GET_XFPUSTATE: + if ((error = copyin(uap->parms, &kargs.xfpu, + sizeof(struct i386_get_xfpustate))) != 0) + return (error); + break; default: break; } @@ -270,6 +277,14 @@ sysarch(td, uap) load_gs(GSEL(GUGS_SEL, SEL_UPL)); } break; + case I386_GET_XFPUSTATE: + if (kargs.xfpu.len > cpu_max_ext_state_size - + sizeof(union savefpu)) + return (EINVAL); + npxgetregs(td); + error = copyout((char *)(get_pcb_user_save_td(td) + 1), + kargs.xfpu.addr, kargs.xfpu.len); + break; default: error = EINVAL; break; |