diff --git a/arch/ia64/hp/sim/boot/boot_head.S b/arch/ia64/hp/sim/boot/boot_head.S index 1c8c7e6a9a5e..a9bd71ac78e2 100644 --- a/arch/ia64/hp/sim/boot/boot_head.S +++ b/arch/ia64/hp/sim/boot/boot_head.S @@ -4,6 +4,7 @@ */ #include +#include .bss .align 16 @@ -49,7 +50,11 @@ GLOBAL_ENTRY(jmp_to_kernel) br.sptk.few b7 END(jmp_to_kernel) - +/* + * r28 contains the index of the PAL function + * r29--31 the args + * Return values in ret0--3 (r8--11) + */ GLOBAL_ENTRY(pal_emulator_static) mov r8=-1 mov r9=256 @@ -62,7 +67,7 @@ GLOBAL_ENTRY(pal_emulator_static) cmp.gtu p6,p7=r9,r28 (p6) br.cond.sptk.few stacked ;; -static: cmp.eq p6,p7=6,r28 /* PAL_PTCE_INFO */ +static: cmp.eq p6,p7=PAL_PTCE_INFO,r28 (p7) br.cond.sptk.few 1f ;; mov r8=0 /* status = 0 */ @@ -70,21 +75,21 @@ static: cmp.eq p6,p7=6,r28 /* PAL_PTCE_INFO */ movl r10=0x0000000200000003 /* count[0], count[1] */ movl r11=0x1000000000002000 /* stride[0], stride[1] */ br.cond.sptk.few rp -1: cmp.eq p6,p7=14,r28 /* PAL_FREQ_RATIOS */ +1: cmp.eq p6,p7=PAL_FREQ_RATIOS,r28 (p7) br.cond.sptk.few 1f mov r8=0 /* status = 0 */ movl r9 =0x100000064 /* proc_ratio (1/100) */ movl r10=0x100000100 /* bus_ratio<<32 (1/256) */ movl r11=0x100000064 /* itc_ratio<<32 (1/100) */ ;; -1: cmp.eq p6,p7=19,r28 /* PAL_RSE_INFO */ +1: cmp.eq p6,p7=PAL_RSE_INFO,r28 (p7) br.cond.sptk.few 1f mov r8=0 /* status = 0 */ mov r9=96 /* num phys stacked */ mov r10=0 /* hints */ mov r11=0 br.cond.sptk.few rp -1: cmp.eq p6,p7=1,r28 /* PAL_CACHE_FLUSH */ +1: cmp.eq p6,p7=PAL_CACHE_FLUSH,r28 /* PAL_CACHE_FLUSH */ (p7) br.cond.sptk.few 1f mov r9=ar.lc movl r8=524288 /* flush 512k million cache lines (16MB) */ @@ -102,7 +107,7 @@ static: cmp.eq p6,p7=6,r28 /* PAL_PTCE_INFO */ mov ar.lc=r9 mov r8=r0 ;; -1: cmp.eq p6,p7=15,r28 /* PAL_PERF_MON_INFO */ +1: cmp.eq p6,p7=PAL_PERF_MON_INFO,r28 (p7) br.cond.sptk.few 1f mov r8=0 /* status = 0 */ movl r9 =0x08122f04 /* generic=4 width=47 retired=8 cycles=18 */ @@ -138,6 +143,20 @@ static: cmp.eq p6,p7=6,r28 /* PAL_PTCE_INFO */ st8 [r29]=r0,16 /* clear remaining bits */ st8 [r18]=r0,16 /* clear remaining bits */ ;; +1: cmp.eq p6,p7=PAL_VM_SUMMARY,r28 +(p7) br.cond.sptk.few 1f + mov r8=0 /* status = 0 */ + movl r9=0x2044040020F1865 /* num_tc_levels=2, num_unique_tcs=4 */ + /* max_itr_entry=64, max_dtr_entry=64 */ + /* hash_tag_id=2, max_pkr=15 */ + /* key_size=24, phys_add_size=50, vw=1 */ + movl r10=0x183C /* rid_size=24, impl_va_msb=60 */ + ;; +1: cmp.eq p6,p7=PAL_MEM_ATTRIB,r28 +(p7) br.cond.sptk.few 1f + mov r8=0 /* status = 0 */ + mov r9=0x80|0x01 /* NatPage|WB */ + ;; 1: br.cond.sptk.few rp stacked: br.ret.sptk.few rp diff --git a/arch/ia64/kernel/palinfo.c b/arch/ia64/kernel/palinfo.c index 25e7c8344564..89faa603c6be 100644 --- a/arch/ia64/kernel/palinfo.c +++ b/arch/ia64/kernel/palinfo.c @@ -307,11 +307,9 @@ vm_info(char *page) if ((status = ia64_pal_vm_summary(&vm_info_1, &vm_info_2)) !=0) { printk(KERN_ERR "ia64_pal_vm_summary=%ld\n", status); - return 0; - } + } else { - - p += sprintf(p, + p += sprintf(p, "Physical Address Space : %d bits\n" "Virtual Address Space : %d bits\n" "Protection Key Registers(PKR) : %d\n" @@ -319,92 +317,99 @@ vm_info(char *page) "Hash Tag ID : 0x%x\n" "Size of RR.rid : %d\n", vm_info_1.pal_vm_info_1_s.phys_add_size, - vm_info_2.pal_vm_info_2_s.impl_va_msb+1, vm_info_1.pal_vm_info_1_s.max_pkr+1, - vm_info_1.pal_vm_info_1_s.key_size, vm_info_1.pal_vm_info_1_s.hash_tag_id, + vm_info_2.pal_vm_info_2_s.impl_va_msb+1, + vm_info_1.pal_vm_info_1_s.max_pkr+1, + vm_info_1.pal_vm_info_1_s.key_size, + vm_info_1.pal_vm_info_1_s.hash_tag_id, vm_info_2.pal_vm_info_2_s.rid_size); - - if (ia64_pal_mem_attrib(&attrib) != 0) - return 0; - - p += sprintf(p, "Supported memory attributes : "); - sep = ""; - for (i = 0; i < 8; i++) { - if (attrib & (1 << i)) { - p += sprintf(p, "%s%s", sep, mem_attrib[i]); - sep = ", "; - } } - p += sprintf(p, "\n"); + + if (ia64_pal_mem_attrib(&attrib) == 0) { + p += sprintf(p, "Supported memory attributes : "); + sep = ""; + for (i = 0; i < 8; i++) { + if (attrib & (1 << i)) { + p += sprintf(p, "%s%s", sep, mem_attrib[i]); + sep = ", "; + } + } + p += sprintf(p, "\n"); + } if ((status = ia64_pal_vm_page_size(&tr_pages, &vw_pages)) !=0) { printk(KERN_ERR "ia64_pal_vm_page_size=%ld\n", status); - return 0; + } else { + + p += sprintf(p, + "\nTLB walker : %simplemented\n" + "Number of DTR : %d\n" + "Number of ITR : %d\n" + "TLB insertable page sizes : ", + vm_info_1.pal_vm_info_1_s.vw ? "" : "not ", + vm_info_1.pal_vm_info_1_s.max_dtr_entry+1, + vm_info_1.pal_vm_info_1_s.max_itr_entry+1); + + + p = bitvector_process(p, tr_pages); + + p += sprintf(p, "\nTLB purgeable page sizes : "); + + p = bitvector_process(p, vw_pages); } - - p += sprintf(p, - "\nTLB walker : %simplemented\n" - "Number of DTR : %d\n" - "Number of ITR : %d\n" - "TLB insertable page sizes : ", - vm_info_1.pal_vm_info_1_s.vw ? "" : "not ", - vm_info_1.pal_vm_info_1_s.max_dtr_entry+1, - vm_info_1.pal_vm_info_1_s.max_itr_entry+1); - - - p = bitvector_process(p, tr_pages); - - p += sprintf(p, "\nTLB purgeable page sizes : "); - - p = bitvector_process(p, vw_pages); - if ((status=ia64_get_ptce(&ptce)) != 0) { printk(KERN_ERR "ia64_get_ptce=%ld\n", status); - return 0; - } - - p += sprintf(p, + } else { + p += sprintf(p, "\nPurge base address : 0x%016lx\n" "Purge outer loop count : %d\n" "Purge inner loop count : %d\n" "Purge outer loop stride : %d\n" "Purge inner loop stride : %d\n", - ptce.base, ptce.count[0], ptce.count[1], ptce.stride[0], ptce.stride[1]); + ptce.base, ptce.count[0], ptce.count[1], + ptce.stride[0], ptce.stride[1]); - p += sprintf(p, + p += sprintf(p, "TC Levels : %d\n" "Unique TC(s) : %d\n", vm_info_1.pal_vm_info_1_s.num_tc_levels, vm_info_1.pal_vm_info_1_s.max_unique_tcs); - for(i=0; i < vm_info_1.pal_vm_info_1_s.num_tc_levels; i++) { - for (j=2; j>0 ; j--) { - tc_pages = 0; /* just in case */ + for(i=0; i < vm_info_1.pal_vm_info_1_s.num_tc_levels; i++) { + for (j=2; j>0 ; j--) { + tc_pages = 0; /* just in case */ - /* even without unification, some levels may not be present */ - if ((status=ia64_pal_vm_info(i,j, &tc_info, &tc_pages)) != 0) { - continue; - } + /* even without unification, some levels may not be present */ + if ((status=ia64_pal_vm_info(i,j, &tc_info, &tc_pages)) != 0) { + continue; + } - p += sprintf(p, + p += sprintf(p, "\n%s Translation Cache Level %d:\n" "\tHash sets : %d\n" "\tAssociativity : %d\n" "\tNumber of entries : %d\n" "\tFlags : ", - cache_types[j+tc_info.tc_unified], i+1, tc_info.tc_num_sets, - tc_info.tc_associativity, tc_info.tc_num_entries); + cache_types[j+tc_info.tc_unified], i+1, + tc_info.tc_num_sets, + tc_info.tc_associativity, + tc_info.tc_num_entries); - if (tc_info.tc_pf) p += sprintf(p, "PreferredPageSizeOptimized "); - if (tc_info.tc_unified) p += sprintf(p, "Unified "); - if (tc_info.tc_reduce_tr) p += sprintf(p, "TCReduction"); + if (tc_info.tc_pf) + p += sprintf(p, "PreferredPageSizeOptimized "); + if (tc_info.tc_unified) + p += sprintf(p, "Unified "); + if (tc_info.tc_reduce_tr) + p += sprintf(p, "TCReduction"); - p += sprintf(p, "\n\tSupported page sizes: "); + p += sprintf(p, "\n\tSupported page sizes: "); - p = bitvector_process(p, tc_pages); + p = bitvector_process(p, tc_pages); - /* when unified date (j=2) is enough */ - if (tc_info.tc_unified) break; + /* when unified date (j=2) is enough */ + if (tc_info.tc_unified) + break; + } } } p += sprintf(p, "\n"); @@ -440,14 +445,14 @@ register_info(char *page) p += sprintf(p, "\n"); } - if (ia64_pal_rse_info(&phys_stacked, &hints) != 0) return 0; + if (ia64_pal_rse_info(&phys_stacked, &hints) == 0) { p += sprintf(p, "RSE stacked physical registers : %ld\n" "RSE load/store hints : %ld (%s)\n", phys_stacked, hints.ph_data, hints.ph_data < RSE_HINTS_COUNT ? rse_hints[hints.ph_data]: "(??)"); - + } if (ia64_pal_debug_info(&iregs, &dregs)) return 0; diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c index 65f9958db9f0..1281c609ee98 100644 --- a/arch/ia64/mm/init.c +++ b/arch/ia64/mm/init.c @@ -382,13 +382,22 @@ ia64_mmu_init (void *my_cpu_data) if (impl_va_bits < 51 || impl_va_bits > 61) panic("CPU has bogus IMPL_VA_MSB value of %lu!\n", impl_va_bits - 1); + /* + * mapped_space_bits - PAGE_SHIFT is the total number of ptes we need, + * which must fit into "vmlpt_bits - pte_bits" slots. Second half of + * the test makes sure that our mapped space doesn't overlap the + * unimplemented hole in the middle of the region. + */ + if ((mapped_space_bits - PAGE_SHIFT > vmlpt_bits - pte_bits) || + (mapped_space_bits > impl_va_bits - 1)) + panic("Cannot build a big enough virtual-linear page table" + " to cover mapped address space.\n" + " Try using a smaller page size.\n"); + /* place the VMLPT at the end of each page-table mapped region: */ pta = POW2(61) - POW2(vmlpt_bits); - if (POW2(mapped_space_bits) >= pta) - panic("mm/init: overlap between virtually mapped linear page table and " - "mapped kernel space!"); /* * Set the (virtually mapped linear) page table address. Bit * 8 selects between the short and long format, bits 2-7 the