diff options
Diffstat (limited to 'sys/arch/sparc64')
| -rw-r--r-- | sys/arch/sparc64/include/cpu.h | 3 | ||||
| -rw-r--r-- | sys/arch/sparc64/sparc64/cpu.c | 102 | ||||
| -rw-r--r-- | sys/arch/sparc64/sparc64/trap.c | 11 |
3 files changed, 6 insertions, 110 deletions
diff --git a/sys/arch/sparc64/include/cpu.h b/sys/arch/sparc64/include/cpu.h index 52eced2f583..25ecdad817a 100644 --- a/sys/arch/sparc64/include/cpu.h +++ b/sys/arch/sparc64/include/cpu.h @@ -1,4 +1,4 @@ -/* $OpenBSD: cpu.h,v 1.40 2007/05/14 21:38:08 kettenis Exp $ */ +/* $OpenBSD: cpu.h,v 1.41 2007/09/04 20:36:52 kettenis Exp $ */ /* $NetBSD: cpu.h,v 1.28 2001/06/14 22:56:58 thorpej Exp $ */ /* @@ -191,7 +191,6 @@ extern int want_ast; * XXX this must be per-cpu (eventually) */ extern struct proc *fpproc; /* FPU owner */ -extern int foundfpu; /* true => we have an FPU */ /* machdep.c */ int ldcontrolb(caddr_t); diff --git a/sys/arch/sparc64/sparc64/cpu.c b/sys/arch/sparc64/sparc64/cpu.c index c844fdb809a..374b8ae1bec 100644 --- a/sys/arch/sparc64/sparc64/cpu.c +++ b/sys/arch/sparc64/sparc64/cpu.c @@ -1,4 +1,4 @@ -/* $OpenBSD: cpu.c,v 1.20 2007/05/02 18:46:07 kettenis Exp $ */ +/* $OpenBSD: cpu.c,v 1.21 2007/09/04 20:36:52 kettenis Exp $ */ /* $NetBSD: cpu.c,v 1.13 2001/05/26 21:27:15 chs Exp $ */ /* @@ -79,7 +79,6 @@ char machine[] = MACHINE; /* from <machine/param.h> */ char cpu_model[100]; struct proc *fpproc; -int foundfpu; int want_ast; extern int want_resched; @@ -93,8 +92,6 @@ struct cfattach cpu_ca = { extern struct cfdriver cpu_cd; -static char *fsrtoname(int, int, int, char *, size_t); - #define IU_IMPL(v) ((((u_int64_t)(v))&VER_IMPL) >> VER_IMPL_SHIFT) #define IU_VERS(v) ((((u_int64_t)(v))&VER_MASK) >> VER_MASK_SHIFT) @@ -123,14 +120,12 @@ cpu_attach(parent, dev, aux) { int node; long clk; - int impl, vers, fver; + int impl, vers; char *cpuname; - char *fpuname; struct mainbus_attach_args *ma = aux; struct fpstate64 *fpstate; struct fpstate64 fps[2]; char *sep; - char fpbuf[40]; register int i, l; u_int64_t ver; extern u_int64_t cpu_clockrate[]; @@ -148,15 +143,9 @@ cpu_attach(parent, dev, aux) */ fpstate->fs_fsr = 7 << FSR_VER_SHIFT; /* 7 is reserved for "none" */ savefpstate(fpstate); - fver = (fpstate->fs_fsr >> FSR_VER_SHIFT) & (FSR_VER >> FSR_VER_SHIFT); ver = getver(); impl = IU_IMPL(ver); vers = IU_VERS(ver); - if (fver != 7) { - foundfpu = 1; - fpuname = fsrtoname(impl, vers, fver, fpbuf, sizeof fpbuf); - } else - fpuname = "no"; /* tell them what we have */ node = ma->ma_node; @@ -175,9 +164,8 @@ cpu_attach(parent, dev, aux) cpuname = getpropstring(node, "name"); if (strcmp(cpuname, "cpu") == 0) cpuname = getpropstring(node, "compatible"); - snprintf(cpu_model, sizeof cpu_model, - "%s (rev %d.%d) @ %s MHz, %s FPU", cpuname, - vers >> 4, vers & 0xf, clockfreq(clk), fpuname); + snprintf(cpu_model, sizeof cpu_model, "%s (rev %d.%d) @ %s MHz", + cpuname, vers >> 4, vers & 0xf, clockfreq(clk)); printf(": %s\n", cpu_model); cacheinfo.c_physical = 1; /* Dunno... */ @@ -292,88 +280,6 @@ cpu_attach(parent, dev, aux) } } -/* - * The following tables convert <IU impl, IU version, FPU version> triples - * into names for the CPU and FPU chip. In most cases we do not need to - * inspect the FPU version to name the IU chip, but there is one exception - * (for Tsunami), and this makes the tables the same. - * - * The table contents (and much of the structure here) are from Guy Harris. - * - */ -struct info { - u_char valid; - u_char iu_impl; - u_char iu_vers; - u_char fpu_vers; - char *name; -}; - -#define ANY 0xff /* match any FPU version (or, later, IU version) */ - - -/* NB: table order matters here; specific numbers must appear before ANY. */ -static struct info fpu_types[] = { - /* - * Vendor 0, IU Fujitsu0. - */ - { 1, 0x0, ANY, 0, "MB86910 or WTL1164/5" }, - { 1, 0x0, ANY, 1, "MB86911 or WTL1164/5" }, - { 1, 0x0, ANY, 2, "L64802 or ACT8847" }, - { 1, 0x0, ANY, 3, "WTL3170/2" }, - { 1, 0x0, 4, 4, "on-chip" }, /* Swift */ - { 1, 0x0, ANY, 4, "L64804" }, - - /* - * Vendor 1, IU ROSS0/1 or Pinnacle. - */ - { 1, 0x1, 0xf, 0, "on-chip" }, /* Pinnacle */ - { 1, 0x1, ANY, 0, "L64812 or ACT8847" }, - { 1, 0x1, ANY, 1, "L64814" }, - { 1, 0x1, ANY, 2, "TMS390C602A" }, - { 1, 0x1, ANY, 3, "RT602 or WTL3171" }, - - /* - * Vendor 2, IU BIT0. - */ - { 1, 0x2, ANY, 0, "B5010 or B5110/20 or B5210" }, - - /* - * Vendor 4, Texas Instruments. - */ - { 1, 0x4, ANY, 0, "on-chip" }, /* Viking */ - { 1, 0x4, ANY, 4, "on-chip" }, /* Tsunami */ - - /* - * Vendor 5, IU Matsushita0. - */ - { 1, 0x5, ANY, 0, "on-chip" }, - - /* - * Vendor 9, Weitek. - */ - { 1, 0x9, ANY, 3, "on-chip" }, - - { 0 } -}; - -static char * -fsrtoname(impl, vers, fver, buf, buflen) - register int impl, vers, fver; - char *buf; - size_t buflen; -{ - register struct info *p; - - for (p = fpu_types; p->valid; p++) - if (p->iu_impl == impl && - (p->iu_vers == vers || p->iu_vers == ANY) && - (p->fpu_vers == fver)) - return (p->name); - snprintf(buf, buflen, "version %x", fver); - return (buf); -} - struct cfdriver cpu_cd = { NULL, "cpu", DV_DULL }; diff --git a/sys/arch/sparc64/sparc64/trap.c b/sys/arch/sparc64/sparc64/trap.c index 388896d733d..4ef5c0c9e2b 100644 --- a/sys/arch/sparc64/sparc64/trap.c +++ b/sys/arch/sparc64/sparc64/trap.c @@ -1,4 +1,4 @@ -/* $OpenBSD: trap.c,v 1.51 2007/07/05 22:16:30 kettenis Exp $ */ +/* $OpenBSD: trap.c,v 1.52 2007/09/04 20:36:52 kettenis Exp $ */ /* $NetBSD: trap.c,v 1.73 2001/08/09 01:03:01 eeh Exp $ */ /* @@ -544,15 +544,6 @@ badtrap: fs->fs_qsize = 0; p->p_md.md_fpstate = fs; } - /* - * If we have not found an FPU, we have to emulate it. - * - * Since All UltraSPARC CPUs have an FPU how can this happen? - */ - if (!foundfpu) { - trapsignal(p, SIGILL, 0, ILL_COPROC, sv); - break; - } /* * We may have more FPEs stored up and/or ops queued. |