diff options
| author | Dale Rahn <drahn@cvs.openbsd.org> | 2001-08-25 05:06:30 +0000 |
|---|---|---|
| committer | Dale Rahn <drahn@cvs.openbsd.org> | 2001-08-25 05:06:30 +0000 |
| commit | 49205145681d73e9a8aa31b227f49351aac572db (patch) | |
| tree | 6c6b69986df93c97c467b3aa3a495b4fdc3424c4 /sys | |
| parent | 6d99b3635017eb57d3c72271b0c94e6759ad0ce2 (diff) | |
The VP cache code, while giving the powerpc port a signficant speed
increase is contributing to the instability of the port.
This ifdef's the code, disabling it.
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/powerpc/powerpc/pmap.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/sys/arch/powerpc/powerpc/pmap.c b/sys/arch/powerpc/powerpc/pmap.c index 6e9912a8ca0..2eb06658762 100644 --- a/sys/arch/powerpc/powerpc/pmap.c +++ b/sys/arch/powerpc/powerpc/pmap.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pmap.c,v 1.40 2001/08/18 06:18:49 drahn Exp $ */ +/* $OpenBSD: pmap.c,v 1.41 2001/08/25 05:06:29 drahn Exp $ */ /* $NetBSD: pmap.c,v 1.1 1996/09/30 16:34:52 ws Exp $ */ /* @@ -90,6 +90,7 @@ dump_avail() } #endif +#ifdef USE_PMAP_VP struct pool pmap_vp_pool; int pmap_vp_valid(pmap_t pm, vaddr_t va); @@ -112,7 +113,7 @@ VP_IDX1(paddr_t va) static inline int VP_IDX2(paddr_t va) { - return (va >> VP_IDX2_POS) & VP_SR_MASK; + return (va >> VP_IDX2_POS) & VP_IDX2_MASK; } int @@ -171,6 +172,8 @@ pmap_vp_enter(pmap_t pm, vaddr_t va, paddr_t pa) mem1 = pool_get(&pmap_vp_pool, PR_NOWAIT); splx(s); + bzero (mem1, NBPG); + pm->vps[idx] = mem1; #ifdef DEBUG printf("got %x ", mem1); @@ -231,6 +234,7 @@ pmap_vp_preinit() pm->vps[VP_SR(0xe0000000)] = vp_page0; pm->vps[VP_SR(0xe8000000)] = vp_page1; } +#endif /* @@ -664,7 +668,9 @@ avail_end = npgs * NBPG; asm volatile ("sync; mtsdr1 %0; isync" :: "r"((u_int)ptable | (ptab_mask >> 10))); tlbia(); +#ifdef USE_PMAP_VP pmap_vp_preinit(); +#endif /* USE_PMAP_VP */ nextavail = avail->start; } @@ -714,8 +720,10 @@ pmap_init() pv = (struct pv_entry *)addr; for (i = npgs; --i >= 0;) pv++->pv_idx = -1; +#ifdef USE_PMAP_VP pool_init(&pmap_vp_pool, NBPG, 0, 0, 0, "ppvl", 0, NULL, NULL, M_VMPMAP); +#endif pool_init(&pmap_pv_pool, sizeof(struct pv_entry), 0, 0, 0, "pvpl", 0, NULL, NULL, M_VMPMAP); pool_init(&pmap_po_pool, sizeof(struct pte_ovfl), 0, 0, 0, "popl", @@ -906,7 +914,9 @@ pmap_release(pm) int i, j; int s; +#ifdef USE_PMAP_VP pmap_vp_destroy(pm); +#endif /* USE_PMAP_VP */ if (!pm->pm_sr[0]) panic("pmap_release"); i = pm->pm_sr[0] / 16; @@ -1196,7 +1206,9 @@ pmap_enter(pm, va, pa, prot, flags) pm->pm_stats.resident_count++; +#ifdef USE_PMAP_VP pmap_vp_enter(pm, va, pa); +#endif /* USE_PMAP_VP */ /* * Compute the HTAB index. @@ -1304,10 +1316,12 @@ pmap_remove(pm, va, endva) s = splimp(); for (; va < endva; va += NBPG) { +#ifdef USE_PMAP_VP if (0 == pmap_vp_remove(pm, va)) { /* no mapping */ continue; } +#endif /* USE_PMAP_VP */ found = 0; sr = ptesr(pm->pm_sr, va); idx = pteidx(sr, va); |