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author | peter <peter@FreeBSD.org> | 2001-09-04 08:42:35 +0000 |
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committer | peter <peter@FreeBSD.org> | 2001-09-04 08:42:35 +0000 |
commit | 16c92cf0c3846d3d9884886ece826a1ce88374f3 (patch) | |
tree | 14dd50fbae6ad43906dcb878c68cdb3fb18bf189 /sys/pc98/i386 | |
parent | 119d201aabfc4e86f6217363578198cf5c825e01 (diff) | |
download | FreeBSD-src-16c92cf0c3846d3d9884886ece826a1ce88374f3.zip FreeBSD-src-16c92cf0c3846d3d9884886ece826a1ce88374f3.tar.gz |
Zap #if 0'ed map init code that got moved to the MI area.
Convert the powerpc tree to use the common code.
Diffstat (limited to 'sys/pc98/i386')
-rw-r--r-- | sys/pc98/i386/machdep.c | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/sys/pc98/i386/machdep.c b/sys/pc98/i386/machdep.c index c6768ac..f0ba824 100644 --- a/sys/pc98/i386/machdep.c +++ b/sys/pc98/i386/machdep.c @@ -260,146 +260,6 @@ cpu_startup(dummy) vm_ksubmap_init(&kmi); -#if 0 - /* - * Calculate callout wheel size - */ - for (callwheelsize = 1, callwheelbits = 0; - callwheelsize < ncallout; - callwheelsize <<= 1, ++callwheelbits) - ; - callwheelmask = callwheelsize - 1; - - /* - * Allocate space for system data structures. - * The first available kernel virtual address is in "v". - * As pages of kernel virtual memory are allocated, "v" is incremented. - * As pages of memory are allocated and cleared, - * "firstaddr" is incremented. - * An index into the kernel page table corresponding to the - * virtual memory address maintained in "v" is kept in "mapaddr". - */ - - /* - * Make two passes. The first pass calculates how much memory is - * needed and allocates it. The second pass assigns virtual - * addresses to the various data structures. - */ - firstaddr = 0; -again: - v = (caddr_t)firstaddr; - -#define valloc(name, type, num) \ - (name) = (type *)v; v = (caddr_t)((name)+(num)) -#define valloclim(name, type, num, lim) \ - (name) = (type *)v; v = (caddr_t)((lim) = ((name)+(num))) - - valloc(callout, struct callout, ncallout); - valloc(callwheel, struct callout_tailq, callwheelsize); - - /* - * Discount the physical memory larger than the size of kernel_map - * to avoid eating up all of KVA space. - */ - if (kernel_map->first_free == NULL) { - printf("Warning: no free entries in kernel_map.\n"); - physmem_est = physmem; - } else { - physmem_est = min(physmem, btoc(kernel_map->max_offset - - kernel_map->min_offset)); - } - - /* - * The nominal buffer size (and minimum KVA allocation) is BKVASIZE. - * For the first 64MB of ram nominally allocate sufficient buffers to - * cover 1/4 of our ram. Beyond the first 64MB allocate additional - * buffers to cover 1/20 of our ram over 64MB. When auto-sizing - * the buffer cache we limit the eventual kva reservation to - * maxbcache bytes. - * - * factor represents the 1/4 x ram conversion. - */ - if (nbuf == 0) { - int factor = 4 * BKVASIZE / PAGE_SIZE; - - nbuf = 50; - if (physmem_est > 1024) - nbuf += min((physmem_est - 1024) / factor, - 16384 / factor); - if (physmem_est > 16384) - nbuf += (physmem_est - 16384) * 2 / (factor * 5); - - if (maxbcache && nbuf > maxbcache / BKVASIZE) - nbuf = maxbcache / BKVASIZE; - } - - /* - * Do not allow the buffer_map to be more then 1/2 the size of the - * kernel_map. - */ - if (nbuf > (kernel_map->max_offset - kernel_map->min_offset) / - (BKVASIZE * 2)) { - nbuf = (kernel_map->max_offset - kernel_map->min_offset) / - (BKVASIZE * 2); - printf("Warning: nbufs capped at %d\n", nbuf); - } - - nswbuf = max(min(nbuf/4, 256), 16); - - valloc(swbuf, struct buf, nswbuf); - valloc(buf, struct buf, nbuf); - v = bufhashinit(v); - - /* - * End of first pass, size has been calculated so allocate memory - */ - if (firstaddr == 0) { - size = (vm_size_t)(v - firstaddr); - firstaddr = (int)kmem_alloc(kernel_map, round_page(size)); - if (firstaddr == 0) - panic("startup: no room for tables"); - goto again; - } - - /* - * End of second pass, addresses have been assigned - */ - if ((vm_size_t)(v - firstaddr) != size) - panic("startup: table size inconsistency"); - - clean_map = kmem_suballoc(kernel_map, &clean_sva, &clean_eva, - (nbuf*BKVASIZE) + (nswbuf*MAXPHYS) + pager_map_size); - buffer_map = kmem_suballoc(clean_map, &buffer_sva, &buffer_eva, - (nbuf*BKVASIZE)); - buffer_map->system_map = 1; - pager_map = kmem_suballoc(clean_map, &pager_sva, &pager_eva, - (nswbuf*MAXPHYS) + pager_map_size); - pager_map->system_map = 1; - exec_map = kmem_suballoc(kernel_map, &minaddr, &maxaddr, - (16*(ARG_MAX+(PAGE_SIZE*3)))); - - /* - * XXX: Mbuf system machine-specific initializations should - * go here, if anywhere. - */ - - /* - * Initialize callouts - */ - SLIST_INIT(&callfree); - for (i = 0; i < ncallout; i++) { - callout_init(&callout[i], 0); - callout[i].c_flags = CALLOUT_LOCAL_ALLOC; - SLIST_INSERT_HEAD(&callfree, &callout[i], c_links.sle); - } - - for (i = 0; i < callwheelsize; i++) { - TAILQ_INIT(&callwheel[i]); - } - - mtx_init(&callout_lock, "callout", MTX_SPIN | MTX_RECURSE); -#endif - #if defined(USERCONFIG) userconfig(); cninit(); /* the preferred console may have changed */ |