diff options
| author | jhb <jhb@FreeBSD.org> | 2009-03-25 14:17:08 +0000 |
|---|---|---|
| committer | jhb <jhb@FreeBSD.org> | 2009-03-25 14:17:08 +0000 |
| commit | 6cd843f315b7e0a753bcda79de1b66be9f061b3c (patch) | |
| tree | f57711bd0614210e459a869ce9b6666829b223e4 /sys/i386/isa/npx.c | |
| parent | 606a9499b9b40b30cdf90a2638446b86dcaa28e7 (diff) | |
| download | FreeBSD-src-6cd843f315b7e0a753bcda79de1b66be9f061b3c.zip FreeBSD-src-6cd843f315b7e0a753bcda79de1b66be9f061b3c.tar.gz | |
Rename (fpu|npx)_cleanstate to (fpu|npx)_initialstate to better reflect
their purpose.
Inspired by: bde
MFC after: 1 month
Diffstat (limited to 'sys/i386/isa/npx.c')
| -rw-r--r-- | sys/i386/isa/npx.c | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/sys/i386/isa/npx.c b/sys/i386/isa/npx.c index a4f5b34..e57d9d4 100644 --- a/sys/i386/isa/npx.c +++ b/sys/i386/isa/npx.c @@ -181,7 +181,7 @@ SYSCTL_INT(_hw, HW_FLOATINGPT, floatingpoint, CTLFLAG_RD, static volatile u_int npx_intrs_while_probing; static volatile u_int npx_traps_while_probing; -static union savefpu npx_cleanstate; +static union savefpu npx_initialstate; static bool_t npx_ex16; static bool_t npx_exists; static bool_t npx_irq13; @@ -423,24 +423,24 @@ npx_attach(dev) s = intr_disable(); stop_emulating(); - fpusave(&npx_cleanstate); + fpusave(&npx_initialstate); start_emulating(); #ifdef CPU_ENABLE_SSE if (cpu_fxsr) { - if (npx_cleanstate.sv_xmm.sv_env.en_mxcsr_mask) + if (npx_initialstate.sv_xmm.sv_env.en_mxcsr_mask) cpu_mxcsr_mask = - npx_cleanstate.sv_xmm.sv_env.en_mxcsr_mask; + npx_initialstate.sv_xmm.sv_env.en_mxcsr_mask; else cpu_mxcsr_mask = 0xFFBF; - bzero(npx_cleanstate.sv_xmm.sv_fp, - sizeof(npx_cleanstate.sv_xmm.sv_fp)); - bzero(npx_cleanstate.sv_xmm.sv_xmm, - sizeof(npx_cleanstate.sv_xmm.sv_xmm)); + bzero(npx_initialstate.sv_xmm.sv_fp, + sizeof(npx_initialstate.sv_xmm.sv_fp)); + bzero(npx_initialstate.sv_xmm.sv_xmm, + sizeof(npx_initialstate.sv_xmm.sv_xmm)); /* XXX might need even more zeroing. */ } else #endif - bzero(npx_cleanstate.sv_87.sv_ac, - sizeof(npx_cleanstate.sv_87.sv_ac)); + bzero(npx_initialstate.sv_87.sv_ac, + sizeof(npx_initialstate.sv_87.sv_ac)); intr_restore(s); #ifdef I586_CPU_XXX if (cpu_class == CPUCLASS_586 && npx_ex16 && @@ -798,9 +798,9 @@ npxdna(void) /* * This is the first time this thread has used the FPU or * the PCB doesn't contain a clean FPU state. Explicitly - * load sanitized registers. + * load an initial state. */ - fpurstor(&npx_cleanstate); + fpurstor(&npx_initialstate); if (pcb->pcb_initial_npxcw != __INITIAL_NPXCW__) fldcw(&pcb->pcb_initial_npxcw); pcb->pcb_flags |= PCB_NPXINITDONE; @@ -900,7 +900,7 @@ npxgetregs(td, addr) return (_MC_FPOWNED_NONE); if ((td->td_pcb->pcb_flags & PCB_NPXINITDONE) == 0) { - bcopy(&npx_cleanstate, addr, sizeof(npx_cleanstate)); + bcopy(&npx_initialstate, addr, sizeof(npx_initialstate)); SET_FPU_CW(addr, td->td_pcb->pcb_initial_npxcw); return (_MC_FPOWNED_NONE); } |
