diff options
Diffstat (limited to 'sys/arch')
| -rw-r--r-- | sys/arch/mvme88k/mvme88k/m88110.c | 72 |
1 files changed, 48 insertions, 24 deletions
diff --git a/sys/arch/mvme88k/mvme88k/m88110.c b/sys/arch/mvme88k/mvme88k/m88110.c index 47aaf8d5270..0cec6f53e37 100644 --- a/sys/arch/mvme88k/mvme88k/m88110.c +++ b/sys/arch/mvme88k/mvme88k/m88110.c @@ -1,4 +1,4 @@ -/* $OpenBSD: m88110.c,v 1.46 2007/12/02 22:17:36 miod Exp $ */ +/* $OpenBSD: m88110.c,v 1.47 2007/12/04 05:41:48 miod Exp $ */ /* * Copyright (c) 1998 Steve Murphree, Jr. * All rights reserved. @@ -350,7 +350,7 @@ m88110_set_uapr(apr_t ap) set_dcmd(CMMU_DCMD_INV_UATC); /* We need to at least invalidate the TIC, as it is va-addressed */ - mc88110_inval_inst(); + set_icmd(CMMU_ICMD_INV_TIC); } /* @@ -410,7 +410,6 @@ m88110_flush_cache(cpuid_t cpu, paddr_t pa, psize_t size) set_psr(psr | PSR_IND); mc88110_inval_inst(); - /* flush all data to avoid errata invalidate */ if (get_dctl() & CMMU_DCTL_CEN) mc88110_flush_data(); @@ -427,8 +426,9 @@ m88410_flush_cache(cpuid_t cpu, paddr_t pa, psize_t size) mc88110_inval_inst(); /* flush all data to avoid errata invalidate */ - if (get_dctl() & CMMU_DCTL_CEN) + if (get_dctl() & CMMU_DCTL_CEN) { mc88110_flush_data(); + } mc88410_flush(); set_psr(psr); @@ -568,8 +568,10 @@ m88410_dma_cachectl(pmap_t pmap, vaddr_t _va, vsize_t _size, int op) switch (op) { case DMA_CACHE_SYNC: +#if 0 flusher = m88110_cmmu_sync_cache; ext_flusher = mc88410_flush; +#endif break; case DMA_CACHE_SYNC_INVAL: flusher = m88110_cmmu_sync_inval_cache; @@ -592,22 +594,33 @@ m88410_dma_cachectl(pmap_t pmap, vaddr_t _va, vsize_t _size, int op) if (!ISSET(get_dctl(), CMMU_DCTL_CEN)) size = 0; - if (op != DMA_CACHE_SYNC) + if (op == DMA_CACHE_SYNC) { + va = trunc_page(_va); + size = round_page(_va + _size) - va; + while (size != 0) { + if (pmap_extract(pmap, va, &pa) != FALSE) { + m88110_cmmu_sync_cache(pa, PAGE_SIZE); + mc88410_flush_page(pa); + } + va += PAGE_SIZE; + size -= PAGE_SIZE; + } + } else { mc88110_inval_inst(); - while (size != 0) { - count = (va & PAGE_MASK) == 0 && size >= PAGE_SIZE ? - PAGE_SIZE : MC88110_CACHE_LINE; + while (size != 0) { + count = (va & PAGE_MASK) == 0 && size >= PAGE_SIZE ? + PAGE_SIZE : MC88110_CACHE_LINE; - if (pmap_extract(pmap, va, &pa) != FALSE) { - (*flusher)(pa, count); - } + if (pmap_extract(pmap, va, &pa) != FALSE) { + (*flusher)(pa, count); + } - va += count; - size -= count; + va += count; + size -= count; + } + (*ext_flusher)(); } - (*ext_flusher)(); - set_psr(psr); } @@ -672,8 +685,10 @@ m88410_dma_cachectl_pa(paddr_t _pa, psize_t _size, int op) switch (op) { case DMA_CACHE_SYNC: +#if 0 flusher = m88110_cmmu_sync_cache; ext_flusher = mc88410_flush; +#endif break; case DMA_CACHE_SYNC_INVAL: flusher = m88110_cmmu_sync_inval_cache; @@ -696,19 +711,28 @@ m88410_dma_cachectl_pa(paddr_t _pa, psize_t _size, int op) if (!ISSET(get_dctl(), CMMU_DCTL_CEN)) size = 0; - if (op != DMA_CACHE_SYNC) + if (op == DMA_CACHE_SYNC) { + pa = trunc_page(_pa); + size = round_page(_pa + _size) - pa; + while (size != 0) { + m88110_cmmu_sync_cache(pa, PAGE_SIZE); + mc88410_flush_page(pa); + pa += PAGE_SIZE; + size -= PAGE_SIZE; + } + } else { mc88110_inval_inst(); - while (size != 0) { - count = (pa & PAGE_MASK) == 0 && size >= PAGE_SIZE ? - PAGE_SIZE : MC88110_CACHE_LINE; + while (size != 0) { + count = (pa & PAGE_MASK) == 0 && size >= PAGE_SIZE ? + PAGE_SIZE : MC88110_CACHE_LINE; - (*flusher)(pa, count); + (*flusher)(pa, count); - pa += count; - size -= count; + pa += count; + size -= count; + } + (*ext_flusher)(); } - (*ext_flusher)(); - set_psr(psr); } |