*
* @APPLE_LICENSE_HEADER_START@
*
- * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
+ * The contents of this file constitute Original Code as defined in and
+ * are subject to the Apple Public Source License Version 1.1 (the
+ * "License"). You may not use this file except in compliance with the
+ * License. Please obtain a copy of the License at
+ * http://www.apple.com/publicsource and read it before using this file.
*
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * This Original Code and all software distributed under the License are
+ * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
+ * License for the specific language governing rights and limitations
+ * under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
#include <ppc/boot.h>
#include <ppc/misc_protos.h>
#include <ppc/pmap.h>
+#include <ppc/pmap_internals.h>
#include <ppc/mem.h>
#include <ppc/mappings.h>
#include <ppc/exception.h>
#include <ppc/mp.h>
-#include <ppc/lowglobals.h>
+#ifdef __MACHO__
#include <mach-o/mach_header.h>
+#endif
-extern const char version[];
-extern const char version_variant[];
-
-extern unsigned int intstack[]; /* declared in aligned_data.s */
-extern unsigned int intstack_top_ss; /* declared in aligned_data.s */
+extern unsigned int intstack[]; /* declared in start.s */
+extern unsigned int intstack_top_ss; /* declared in start.s */
-addr64_t hash_table_base; /* Hash table base */
-unsigned int hash_table_size; /* Hash table size */
-vm_offset_t taproot_addr; /* (BRINGUP) */
-unsigned int taproot_size; /* (BRINGUP) */
-unsigned int serialmode; /* Serial mode keyboard and console control */
-extern int disableConsoleOutput;
+vm_offset_t mem_size; /* Size of actual physical memory present
+ minus any performance buffer and possibly limited
+ by mem_limit in bytes */
+vm_offset_t mem_actual; /* The "One True" physical memory size
+ actually, it's the highest physical address + 1 */
+
-struct shadowBAT shadow_BAT;
+mem_region_t pmap_mem_regions[PMAP_MEM_REGION_MAX];
+int pmap_mem_regions_count = 0; /* No non-contiguous memory regions */
-/*
- * NOTE: mem_size is bogus on large memory machines. We will pin it to 0x80000000 if there is more than 2 GB
- * This is left only for compatibility and max_mem should be used.
- */
-vm_offset_t mem_size; /* Size of actual physical memory present
- minus any performance buffer and possibly limited
- by mem_limit in bytes */
-uint64_t mem_actual; /* The "One True" physical memory size
- actually, it's the highest physical address + 1 */
-uint64_t max_mem; /* Size of physical memory (bytes), adjusted by maxmem */
-uint64_t sane_size; /* Memory size to use for defaults calculations */
-
+mem_region_t free_regions[FREE_REGION_MAX];
+int free_regions_count;
-mem_region_t pmap_mem_regions[PMAP_MEM_REGION_MAX + 1];
-int pmap_mem_regions_count = 0; /* Assume no non-contiguous memory regions */
+#ifndef __MACHO__
+extern unsigned long etext;
+#endif
unsigned int avail_remaining = 0;
vm_offset_t first_avail;
vm_offset_t static_memory_end;
-addr64_t vm_last_addr = VM_MAX_KERNEL_ADDRESS; /* Highest kernel virtual address known to the VM system */
+extern vm_offset_t avail_next;
+#ifdef __MACHO__
extern struct mach_header _mh_execute_header;
vm_offset_t sectTEXTB;
int sectSizeTEXT;
int sectSizeKLD;
vm_offset_t end, etext, edata;
+#endif
extern unsigned long exception_entry;
extern unsigned long exception_end;
-void ppc_vm_init(uint64_t mem_limit, boot_args *args)
+void ppc_vm_init(unsigned int mem_limit, boot_args *args)
{
unsigned int htabmask;
- unsigned int i, j, batsize, kmapsize, pvr;
- vm_offset_t addr, ioAddr, videoAddr;
+ unsigned int i, j, batsize, kmapsize;
+ vm_offset_t addr;
int boot_task_end_offset;
const char *cpus;
mapping *mp;
+ vm_offset_t first_phys_avail;
vm_offset_t sizeadj, oldstart;
- unsigned int *xtaproot, bank_shift;
- uint64_t cbsize, xhid0;
+ /* Now retrieve addresses for end, edata, and etext
+ * from MACH-O headers.
+ */
+ sectTEXTB = (vm_offset_t)getsegdatafromheader(
+ &_mh_execute_header, "__TEXT", §SizeTEXT);
+ sectDATAB = (vm_offset_t)getsegdatafromheader(
+ &_mh_execute_header, "__DATA", §SizeDATA);
+ sectLINKB = (vm_offset_t)getsegdatafromheader(
+ &_mh_execute_header, "__LINKEDIT", §SizeLINK);
+ sectKLDB = (vm_offset_t)getsegdatafromheader(
+ &_mh_execute_header, "__KLD", §SizeKLD);
-/*
- * Invalidate all shadow BATs
+ etext = (vm_offset_t) sectTEXTB + sectSizeTEXT;
+ edata = (vm_offset_t) sectDATAB + sectSizeDATA;
+ end = round_page(getlastaddr()); /* Force end to next page */
+#if DEBUG
+ kprintf("sectTEXT: %x, size: %x\n", sectTEXTB, sectSizeTEXT);
+ kprintf("sectDATA: %x, size: %x\n", sectDATAB, sectSizeDATA);
+ kprintf("sectLINK: %x, size: %x\n", sectLINKB, sectSizeLINK);
+ kprintf("sectKLD: %x, size: %x\n", sectKLDB, sectSizeKLD);
+ kprintf("end: %x\n", end);
+#endif
+
+/* Stitch valid memory regions together - they may be contiguous
+ * even though they're not already glued together
*/
+ mem_actual = args->PhysicalDRAM[0].base + args->PhysicalDRAM[0].size; /* Initialize to the first region size */
+ addr = 0; /* temp use as pointer to previous memory region... */
+ for (i = 1; i < kMaxDRAMBanks; i++) {
+
+ if (args->PhysicalDRAM[i].size == 0) continue; /* If region is empty, skip it */
+
+ if((args->PhysicalDRAM[i].base + args->PhysicalDRAM[i].size) > mem_actual) { /* New high? */
+ mem_actual = args->PhysicalDRAM[i].base + args->PhysicalDRAM[i].size; /* Take the high bid */
+ }
+
+ if (args->PhysicalDRAM[i].base == /* Does the end of the last hit the start of the next? */
+ args->PhysicalDRAM[addr].base +
+ args->PhysicalDRAM[addr].size) {
+ kprintf("region 0x%08x size 0x%08x joining region 0x%08x size 0x%08x\n",
+ args->PhysicalDRAM[addr].base, args->PhysicalDRAM[addr].size,
+ args->PhysicalDRAM[i].base, args->PhysicalDRAM[i].size);
+
+ args->PhysicalDRAM[addr].size += args->PhysicalDRAM[i].size; /* Join them */
+ args->PhysicalDRAM[i].size = 0;
+ continue;
+ }
+ /* This is now last non-zero region to compare against */
+ addr = i;
+ }
- /* Initialize shadow IBATs */
- shadow_BAT.IBATs[0].upper=BAT_INVALID;
- shadow_BAT.IBATs[0].lower=BAT_INVALID;
- shadow_BAT.IBATs[1].upper=BAT_INVALID;
- shadow_BAT.IBATs[1].lower=BAT_INVALID;
- shadow_BAT.IBATs[2].upper=BAT_INVALID;
- shadow_BAT.IBATs[2].lower=BAT_INVALID;
- shadow_BAT.IBATs[3].upper=BAT_INVALID;
- shadow_BAT.IBATs[3].lower=BAT_INVALID;
-
- /* Initialize shadow DBATs */
- shadow_BAT.DBATs[0].upper=BAT_INVALID;
- shadow_BAT.DBATs[0].lower=BAT_INVALID;
- shadow_BAT.DBATs[1].upper=BAT_INVALID;
- shadow_BAT.DBATs[1].lower=BAT_INVALID;
- shadow_BAT.DBATs[2].upper=BAT_INVALID;
- shadow_BAT.DBATs[2].lower=BAT_INVALID;
- shadow_BAT.DBATs[3].upper=BAT_INVALID;
- shadow_BAT.DBATs[3].lower=BAT_INVALID;
-
-
- /*
- * Go through the list of memory regions passed in via the boot_args
+ /* Go through the list of memory regions passed in via the args
* and copy valid entries into the pmap_mem_regions table, adding
* further calculated entries.
- *
- * boot_args version 1 has address instead of page numbers
- * in the PhysicalDRAM banks, set bank_shift accordingly.
*/
- bank_shift = 0;
- if (args->Version == kBootArgsVersion1) bank_shift = 12;
-
pmap_mem_regions_count = 0;
- max_mem = 0; /* Will use to total memory found so far */
- mem_actual = 0; /* Actual size of memory */
-
- if (mem_limit == 0) mem_limit = 0xFFFFFFFFFFFFFFFFULL; /* If there is no set limit, use all */
-
- for (i = 0; i < kMaxDRAMBanks; i++) { /* Look at all of the banks */
-
- cbsize = (uint64_t)args->PhysicalDRAM[i].size << (12 - bank_shift); /* Remember current size */
-
- if (!cbsize) continue; /* Skip if the bank is empty */
-
- mem_actual = mem_actual + cbsize; /* Get true memory size */
+ mem_size = 0; /* Will use to total memory found so far */
- if(mem_limit == 0) continue; /* If we hit restriction, just keep counting */
+ for (i = 0; i < kMaxDRAMBanks; i++) {
+ if (args->PhysicalDRAM[i].size == 0)
+ continue;
- if (cbsize > mem_limit) cbsize = mem_limit; /* Trim to max allowed */
- max_mem += cbsize; /* Total up what we have so far */
- mem_limit = mem_limit - cbsize; /* Calculate amount left to do */
-
- pmap_mem_regions[pmap_mem_regions_count].mrStart = args->PhysicalDRAM[i].base >> bank_shift; /* Set the start of the bank */
- pmap_mem_regions[pmap_mem_regions_count].mrAStart = pmap_mem_regions[pmap_mem_regions_count].mrStart; /* Set the start of allocatable area */
- pmap_mem_regions[pmap_mem_regions_count].mrEnd = ((uint64_t)args->PhysicalDRAM[i].base >> bank_shift) + (cbsize >> 12) - 1; /* Set the end address of bank */
- pmap_mem_regions[pmap_mem_regions_count].mrAEnd = pmap_mem_regions[pmap_mem_regions_count].mrEnd; /* Set the end address of allocatable area */
+ /* The following should only happen if memory size has
+ been artificially reduced with -m */
+ if (mem_limit > 0 &&
+ mem_size + args->PhysicalDRAM[i].size > mem_limit)
+ args->PhysicalDRAM[i].size = mem_limit - mem_size;
- /* Regions must be provided in ascending order */
- assert ((pmap_mem_regions_count == 0) ||
- pmap_mem_regions[pmap_mem_regions_count].mrStart >
- pmap_mem_regions[pmap_mem_regions_count-1].mrStart);
+ /* We've found a region, tally memory */
- pmap_mem_regions_count++; /* Count this region */
- }
-
- mem_size = (unsigned int)max_mem; /* Get size of memory */
- if(max_mem > 0x0000000080000000ULL) mem_size = 0x80000000; /* Pin at 2 GB */
+ pmap_mem_regions[pmap_mem_regions_count].start =
+ args->PhysicalDRAM[i].base;
+ pmap_mem_regions[pmap_mem_regions_count].end =
+ args->PhysicalDRAM[i].base +
+ args->PhysicalDRAM[i].size;
- sane_size = max_mem; /* Calculate a sane value to use for init */
- if(sane_size > (addr64_t)(VM_MAX_KERNEL_ADDRESS + 1))
- sane_size = (addr64_t)(VM_MAX_KERNEL_ADDRESS + 1); /* If flush with ram, use addressible portion */
+ /* Regions must be provided in ascending order */
+ assert ((pmap_mem_regions_count == 0) ||
+ pmap_mem_regions[pmap_mem_regions_count].start >
+ pmap_mem_regions[pmap_mem_regions_count-1].start);
+
+ if (pmap_mem_regions_count > 0) {
+ /* we add on any pages not in the first memory
+ * region to the avail_remaining count. The first
+ * memory region is used for mapping everything for
+ * bootup and is taken care of specially.
+ */
+ avail_remaining +=
+ args->PhysicalDRAM[i].size / PPC_PGBYTES;
+ }
+
+ /* Keep track of how much memory we've found */
+ mem_size += args->PhysicalDRAM[i].size;
-/*
- * Initialize the pmap system, using space above `first_avail'
- * for the necessary data structures.
- * NOTE : assume that we'll have enough space mapped in already
- */
+ /* incremement number of regions found */
+ pmap_mem_regions_count++;
+ }
- first_avail = static_memory_end;
+ kprintf("mem_size: %d M\n",mem_size / (1024 * 1024));
-/* Now retrieve addresses for end, edata, and etext
- * from MACH-O headers.
- */
- sectTEXTB = (vm_offset_t)getsegdatafromheader(
- &_mh_execute_header, "__TEXT", §SizeTEXT);
- sectDATAB = (vm_offset_t)getsegdatafromheader(
- &_mh_execute_header, "__DATA", §SizeDATA);
- sectLINKB = (vm_offset_t)getsegdatafromheader(
- &_mh_execute_header, "__LINKEDIT", §SizeLINK);
- sectKLDB = (vm_offset_t)getsegdatafromheader(
- &_mh_execute_header, "__KLD", §SizeKLD);
+ /*
+ * Initialize the pmap system, using space above `first_avail'
+ * for the necessary data structures.
+ * NOTE : assume that we'll have enough space mapped in already
+ */
- etext = (vm_offset_t) sectTEXTB + sectSizeTEXT;
- edata = (vm_offset_t) sectDATAB + sectSizeDATA;
- end = round_page_32(getlastaddr()); /* Force end to next page */
+ first_phys_avail = static_memory_end;
+ first_avail = adjust_bat_limit(first_phys_avail, 0, FALSE, FALSE);
- kmapsize = (round_page_32(exception_end) - trunc_page_32(exception_entry)) + /* Get size we will map later */
- (round_page_32(sectTEXTB+sectSizeTEXT) - trunc_page_32(sectTEXTB)) +
- (round_page_32(sectDATAB+sectSizeDATA) - trunc_page_32(sectDATAB)) +
- (round_page_32(sectLINKB+sectSizeLINK) - trunc_page_32(sectLINKB)) +
- (round_page_32(sectKLDB+sectSizeKLD) - trunc_page_32(sectKLDB)) +
- (round_page_32(static_memory_end) - trunc_page_32(end));
-
- pmap_bootstrap(max_mem, &first_avail, kmapsize);
-
- pmap_map(trunc_page_32(exception_entry), trunc_page_32(exception_entry),
- round_page_32(exception_end), VM_PROT_READ|VM_PROT_EXECUTE);
+ kmapsize = (round_page(exception_end) - trunc_page(exception_entry)) + /* Get size we will map later */
+ (round_page(sectTEXTB+sectSizeTEXT) - trunc_page(sectTEXTB)) +
+ (round_page(sectDATAB+sectSizeDATA) - trunc_page(sectDATAB)) +
+ (round_page(sectLINKB+sectSizeLINK) - trunc_page(sectLINKB)) +
+ (round_page(sectKLDB+sectSizeKLD) - trunc_page(sectKLDB)) +
+ (round_page(static_memory_end) - trunc_page(end));
- pmap_map(trunc_page_32(sectTEXTB), trunc_page_32(sectTEXTB),
- round_page_32(sectTEXTB+sectSizeTEXT), VM_PROT_READ|VM_PROT_EXECUTE);
+ pmap_bootstrap(mem_size,&first_avail,&first_phys_avail, kmapsize);
- pmap_map(trunc_page_32(sectDATAB), trunc_page_32(sectDATAB),
- round_page_32(sectDATAB+sectSizeDATA), VM_PROT_READ|VM_PROT_WRITE);
-
-/* The KLD and LINKEDIT segments are unloaded in toto after boot completes,
-* but via ml_static_mfree(), through IODTFreeLoaderInfo(). Hence, we have
-* to map both segments page-by-page.
-*/
-
- for (addr = trunc_page_32(sectKLDB);
- addr < round_page_32(sectKLDB+sectSizeKLD);
+#ifdef __MACHO__
+#if DEBUG
+ kprintf("Mapping memory:\n");
+ kprintf(" exception vector: %08X, %08X - %08X\n", trunc_page(exception_entry),
+ trunc_page(exception_entry), round_page(exception_end));
+ kprintf(" sectTEXTB: %08X, %08X - %08X\n", trunc_page(sectTEXTB),
+ trunc_page(sectTEXTB), round_page(sectTEXTB+sectSizeTEXT));
+ kprintf(" sectDATAB: %08X, %08X - %08X\n", trunc_page(sectDATAB),
+ trunc_page(sectDATAB), round_page(sectDATAB+sectSizeDATA));
+ kprintf(" sectLINKB: %08X, %08X - %08X\n", trunc_page(sectLINKB),
+ trunc_page(sectLINKB), round_page(sectLINKB+sectSizeLINK));
+ kprintf(" sectKLDB: %08X, %08X - %08X\n", trunc_page(sectKLDB),
+ trunc_page(sectKLDB), round_page(sectKLDB+sectSizeKLD));
+ kprintf(" end: %08X, %08X - %08X\n", trunc_page(end),
+ trunc_page(end), static_memory_end);
+#endif /* DEBUG */
+ pmap_map(trunc_page(exception_entry), trunc_page(exception_entry),
+ round_page(exception_end), VM_PROT_READ|VM_PROT_EXECUTE);
+ pmap_map(trunc_page(sectTEXTB), trunc_page(sectTEXTB),
+ round_page(sectTEXTB+sectSizeTEXT), VM_PROT_READ|VM_PROT_EXECUTE);
+ pmap_map(trunc_page(sectDATAB), trunc_page(sectDATAB),
+ round_page(sectDATAB+sectSizeDATA), VM_PROT_READ|VM_PROT_WRITE);
+
+
+ /* The KLD and LINKEDIT segments are unloaded in toto after boot completes,
+ * but via ml_static_mfree(), through IODTFreeLoaderInfo(). Hence, we have
+ * to map both segments page-by-page.
+ */
+ for (addr = trunc_page(sectKLDB);
+ addr < round_page(sectKLDB+sectSizeKLD);
addr += PAGE_SIZE) {
- pmap_enter(kernel_pmap, addr, addr>>12,
+ pmap_enter(kernel_pmap, addr, addr,
VM_PROT_READ|VM_PROT_WRITE,
VM_WIMG_USE_DEFAULT, TRUE);
-
}
- for (addr = trunc_page_32(sectLINKB);
- addr < round_page_32(sectLINKB+sectSizeLINK);
+ for (addr = trunc_page(sectLINKB);
+ addr < round_page(sectLINKB+sectSizeLINK);
addr += PAGE_SIZE) {
- pmap_enter(kernel_pmap, addr, addr>>12,
+ pmap_enter(kernel_pmap, addr, addr,
VM_PROT_READ|VM_PROT_WRITE,
VM_WIMG_USE_DEFAULT, TRUE);
-
}
- pmap_enter(kernel_pmap, &sharedPage, (unsigned int)&sharedPage >> 12, /* Make sure the sharedPage is mapped */
- VM_PROT_READ|VM_PROT_WRITE,
- VM_WIMG_USE_DEFAULT, TRUE);
-
- pmap_enter(kernel_pmap, &lowGlo, (unsigned int)&lowGlo >> 12, /* Make sure the low memory globals are mapped */
- VM_PROT_READ|VM_PROT_WRITE,
- VM_WIMG_USE_DEFAULT, TRUE);
-
/*
* We need to map the remainder page-by-page because some of this will
* be released later, but not all. Ergo, no block mapping here
*/
-
- for(addr = trunc_page_32(end); addr < round_page_32(static_memory_end); addr += PAGE_SIZE) {
-
- pmap_enter(kernel_pmap, addr, addr>>12,
+ for(addr = trunc_page(end); addr < round_page(static_memory_end); addr += PAGE_SIZE) {
+ pmap_enter(kernel_pmap, addr, addr,
VM_PROT_READ|VM_PROT_WRITE,
VM_WIMG_USE_DEFAULT, TRUE);
-
}
+#endif /* __MACHO__ */
- MapUserAddressSpaceInit(); /* Go initialize copy in/out */
+#if DEBUG
+ for (i=0 ; i < free_regions_count; i++) {
+ kprintf("Free region start 0x%08x end 0x%08x\n",
+ free_regions[i].start,free_regions[i].end);
+ }
+#endif
/*
- * At this point, there is enough mapped memory and all hw mapping structures are
- * allocated and initialized. Here is where we turn on translation for the
- * VERY first time....
- *
- * NOTE: Here is where our very first interruption will happen.
- *
+ * Note: the shadow BAT registers were already loaded in ppc_init.c
*/
- hw_start_trans(); /* Start translating */
-
-#if 0
- GratefulDebInit((bootBumbleC *)&(args->Video)); /* Initialize the GratefulDeb debugger */
-#endif
-
- printf_init(); /* Init this in case we need debugger */
- panic_init(); /* Init this in case we need debugger */
- PE_init_kprintf(TRUE); /* Note on PPC we only call this after VM is set up */
-
- kprintf("kprintf initialized\n");
-
- serialmode = 0; /* Assume normal keyboard and console */
- if(PE_parse_boot_arg("serial", &serialmode)) { /* Do we want a serial keyboard and/or console? */
- kprintf("Serial mode specified: %08X\n", serialmode);
- }
- if(serialmode & 1) { /* Start serial if requested */
- (void)switch_to_serial_console(); /* Switch into serial mode */
- disableConsoleOutput = FALSE; /* Allow printfs to happen */
- }
-
- kprintf("max_mem: %ld M\n", (unsigned long)(max_mem >> 20));
- kprintf("version_variant = %s\n", version_variant);
- kprintf("version = %s\n\n", version);
- __asm__ ("mfpvr %0" : "=r" (pvr));
- kprintf("proc version = %08x\n", pvr);
- if(per_proc_info[0].pf.Available & pf64Bit) { /* 64-bit processor? */
- xhid0 = hid0get64(); /* Get the hid0 */
- if(xhid0 & (1ULL << (63 - 19))) kprintf("Time base is externally clocked\n");
- else kprintf("Time base is internally clocked\n");
- }
-
-
- taproot_size = PE_init_taproot(&taproot_addr); /* (BRINGUP) See if there is a taproot */
- if(taproot_size) { /* (BRINGUP) */
- kprintf("TapRoot card configured to use vaddr = %08X, size = %08X\n", taproot_addr, taproot_size);
- bcopy_nc((void *)version, (void *)(taproot_addr + 16), strlen(version)); /* (BRINGUP) Pass it our kernel version */
- __asm__ volatile("eieio"); /* (BRINGUP) */
- xtaproot = (unsigned int *)taproot_addr; /* (BRINGUP) */
- xtaproot[0] = 1; /* (BRINGUP) */
- __asm__ volatile("eieio"); /* (BRINGUP) */
- }
-
- PE_create_console(); /* create the console for verbose or pretty mode */
-
- /* setup console output */
- PE_init_printf(FALSE);
+ LoadIBATs((unsigned int *)&shadow_BAT.IBATs[0]); /* Load up real IBATs from shadows */
+ LoadDBATs((unsigned int *)&shadow_BAT.DBATs[0]); /* Load up real DBATs from shadows */
#if DEBUG
- printf("\n\n\nThis program was compiled using gcc %d.%d for powerpc\n",
- __GNUC__,__GNUC_MINOR__);
-
-
- /* Processor version information */
- {
- unsigned int pvr;
- __asm__ ("mfpvr %0" : "=r" (pvr));
- printf("processor version register : %08X\n", pvr);
- }
-
- kprintf("Args at %08X\n", args);
- for (i = 0; i < pmap_mem_regions_count; i++) {
- printf("DRAM at %08X size %08X\n",
- args->PhysicalDRAM[i].base,
- args->PhysicalDRAM[i].size);
- }
-#endif /* DEBUG */
-
-#if DEBUG
- kprintf("Mapped memory:\n");
- kprintf(" exception vector: %08X, %08X - %08X\n", trunc_page_32(exception_entry),
- trunc_page_32(exception_entry), round_page_32(exception_end));
- kprintf(" sectTEXTB: %08X, %08X - %08X\n", trunc_page_32(sectTEXTB),
- trunc_page_32(sectTEXTB), round_page_32(sectTEXTB+sectSizeTEXT));
- kprintf(" sectDATAB: %08X, %08X - %08X\n", trunc_page_32(sectDATAB),
- trunc_page_32(sectDATAB), round_page_32(sectDATAB+sectSizeDATA));
- kprintf(" sectLINKB: %08X, %08X - %08X\n", trunc_page_32(sectLINKB),
- trunc_page_32(sectLINKB), round_page_32(sectLINKB+sectSizeLINK));
- kprintf(" sectKLDB: %08X, %08X - %08X\n", trunc_page_32(sectKLDB),
- trunc_page_32(sectKLDB), round_page_32(sectKLDB+sectSizeKLD));
- kprintf(" end: %08X, %08X - %08X\n", trunc_page_32(end),
- trunc_page_32(end), static_memory_end);
-
+ for(i=0; i<4; i++) kprintf("DBAT%1d: %08X %08X\n",
+ i, shadow_BAT.DBATs[i].upper, shadow_BAT.DBATs[i].lower);
+ for(i=0; i<4; i++) kprintf("IBAT%1d: %08X %08X\n",
+ i, shadow_BAT.IBATs[i].upper, shadow_BAT.IBATs[i].lower);
#endif
-
- return;
}
void ppc_vm_cpu_init(
struct per_proc_info *proc_info)
{
- hw_setup_trans(); /* Set up hardware needed for translation */
- hw_start_trans(); /* Start translating */
+ hash_table_init(hash_table_base, hash_table_size);
+
+ LoadIBATs((unsigned int *)&shadow_BAT.IBATs[0]);
+ LoadDBATs((unsigned int *)&shadow_BAT.DBATs[0]);
+
+ sync();isync();
}