X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fi386%2Fkernel%2Fsetup.c;h=4b31ad70c1ac6699c6710faf415ec6e1c30d488b;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=0fc23c0a4376a32a26984c61b4f374299a118f74;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git

diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index 0fc23c0a4..4b31ad70c 100644
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -23,17 +23,17 @@
  * This file handles the architecture-dependent parts of initialization
  */
 
-#include <linux/config.h>
 #include <linux/sched.h>
 #include <linux/mm.h>
 #include <linux/mmzone.h>
-#include <linux/tty.h>
+#include <linux/screen_info.h>
 #include <linux/ioport.h>
 #include <linux/acpi.h>
 #include <linux/apm_bios.h>
 #include <linux/initrd.h>
 #include <linux/bootmem.h>
 #include <linux/seq_file.h>
+#include <linux/platform_device.h>
 #include <linux/console.h>
 #include <linux/mca.h>
 #include <linux/root_dev.h>
@@ -46,24 +46,23 @@
 #include <linux/kexec.h>
 #include <linux/crash_dump.h>
 #include <linux/dmi.h>
+#include <linux/pfn.h>
 
 #include <video/edid.h>
 
 #include <asm/apic.h>
 #include <asm/e820.h>
 #include <asm/mpspec.h>
+#include <asm/mmzone.h>
 #include <asm/setup.h>
 #include <asm/arch_hooks.h>
 #include <asm/sections.h>
 #include <asm/io_apic.h>
 #include <asm/ist.h>
 #include <asm/io.h>
-#include "setup_arch_pre.h"
+#include <setup_arch.h>
 #include <bios_ebda.h>
 
-/* Forward Declaration. */
-void __init find_max_pfn(void);
-
 /* This value is set up by the early boot code to point to the value
    immediately after the boot time page tables.  It contains a *physical*
    address, and must not be in the .bss segment! */
@@ -74,32 +73,17 @@ int disable_pse __devinitdata = 0;
 /*
  * Machine setup..
  */
-
-#ifdef CONFIG_EFI
-int efi_enabled = 0;
-EXPORT_SYMBOL(efi_enabled);
-#endif
+extern struct resource code_resource;
+extern struct resource data_resource;
 
 /* cpu data as detected by the assembly code in head.S */
-struct cpuinfo_x86 new_cpu_data __initdata = { 0, 0, 0, 0, -1, 1, 0, 0, -1 };
+struct cpuinfo_x86 new_cpu_data __cpuinitdata = { 0, 0, 0, 0, -1, 1, 0, 0, -1 };
 /* common cpu data for all cpus */
 struct cpuinfo_x86 boot_cpu_data __read_mostly = { 0, 0, 0, 0, -1, 1, 0, 0, -1 };
 EXPORT_SYMBOL(boot_cpu_data);
 
 unsigned long mmu_cr4_features;
 
-#ifdef	CONFIG_ACPI
-	int acpi_disabled = 0;
-#else
-	int acpi_disabled = 1;
-#endif
-EXPORT_SYMBOL(acpi_disabled);
-
-#ifdef	CONFIG_ACPI
-int __initdata acpi_force = 0;
-extern acpi_interrupt_flags	acpi_sci_flags;
-#endif
-
 /* for MCA, but anyone else can use it if they want */
 unsigned int machine_id;
 #ifdef CONFIG_MCA
@@ -109,12 +93,6 @@ unsigned int machine_submodel_id;
 unsigned int BIOS_revision;
 unsigned int mca_pentium_flag;
 
-/* For PCI or other memory-mapped resources */
-unsigned long pci_mem_start = 0x10000000;
-#ifdef CONFIG_PCI
-EXPORT_SYMBOL(pci_mem_start);
-#endif
-
 /* Boot loader ID as an integer, for the benefit of proc_dointvec */
 int bootloader_type;
 
@@ -144,10 +122,8 @@ struct ist_info ist_info;
 	defined(CONFIG_X86_SPEEDSTEP_SMI_MODULE)
 EXPORT_SYMBOL(ist_info);
 #endif
-struct e820map e820;
 
 extern void early_cpu_init(void);
-extern void generic_apic_probe(char *);
 extern int root_mountflags;
 
 unsigned long saved_videomode;
@@ -160,522 +136,6 @@ static char command_line[COMMAND_LINE_SIZE];
 
 unsigned char __initdata boot_params[PARAM_SIZE];
 
-static struct resource data_resource = {
-	.name	= "Kernel data",
-	.start	= 0,
-	.end	= 0,
-	.flags	= IORESOURCE_BUSY | IORESOURCE_MEM
-};
-
-static struct resource code_resource = {
-	.name	= "Kernel code",
-	.start	= 0,
-	.end	= 0,
-	.flags	= IORESOURCE_BUSY | IORESOURCE_MEM
-};
-
-static struct resource system_rom_resource = {
-	.name	= "System ROM",
-	.start	= 0xf0000,
-	.end	= 0xfffff,
-	.flags	= IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM
-};
-
-static struct resource extension_rom_resource = {
-	.name	= "Extension ROM",
-	.start	= 0xe0000,
-	.end	= 0xeffff,
-	.flags	= IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM
-};
-
-static struct resource adapter_rom_resources[] = { {
-	.name 	= "Adapter ROM",
-	.start	= 0xc8000,
-	.end	= 0,
-	.flags	= IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM
-}, {
-	.name 	= "Adapter ROM",
-	.start	= 0,
-	.end	= 0,
-	.flags	= IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM
-}, {
-	.name 	= "Adapter ROM",
-	.start	= 0,
-	.end	= 0,
-	.flags	= IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM
-}, {
-	.name 	= "Adapter ROM",
-	.start	= 0,
-	.end	= 0,
-	.flags	= IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM
-}, {
-	.name 	= "Adapter ROM",
-	.start	= 0,
-	.end	= 0,
-	.flags	= IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM
-}, {
-	.name 	= "Adapter ROM",
-	.start	= 0,
-	.end	= 0,
-	.flags	= IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM
-} };
-
-#define ADAPTER_ROM_RESOURCES \
-	(sizeof adapter_rom_resources / sizeof adapter_rom_resources[0])
-
-static struct resource video_rom_resource = {
-	.name 	= "Video ROM",
-	.start	= 0xc0000,
-	.end	= 0xc7fff,
-	.flags	= IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM
-};
-
-static struct resource video_ram_resource = {
-	.name	= "Video RAM area",
-	.start	= 0xa0000,
-	.end	= 0xbffff,
-	.flags	= IORESOURCE_BUSY | IORESOURCE_MEM
-};
-
-static struct resource standard_io_resources[] = { {
-	.name	= "dma1",
-	.start	= 0x0000,
-	.end	= 0x001f,
-	.flags	= IORESOURCE_BUSY | IORESOURCE_IO
-}, {
-	.name	= "pic1",
-	.start	= 0x0020,
-	.end	= 0x0021,
-	.flags	= IORESOURCE_BUSY | IORESOURCE_IO
-}, {
-	.name   = "timer0",
-	.start	= 0x0040,
-	.end    = 0x0043,
-	.flags  = IORESOURCE_BUSY | IORESOURCE_IO
-}, {
-	.name   = "timer1",
-	.start  = 0x0050,
-	.end    = 0x0053,
-	.flags	= IORESOURCE_BUSY | IORESOURCE_IO
-}, {
-	.name	= "keyboard",
-	.start	= 0x0060,
-	.end	= 0x006f,
-	.flags	= IORESOURCE_BUSY | IORESOURCE_IO
-}, {
-	.name	= "dma page reg",
-	.start	= 0x0080,
-	.end	= 0x008f,
-	.flags	= IORESOURCE_BUSY | IORESOURCE_IO
-}, {
-	.name	= "pic2",
-	.start	= 0x00a0,
-	.end	= 0x00a1,
-	.flags	= IORESOURCE_BUSY | IORESOURCE_IO
-}, {
-	.name	= "dma2",
-	.start	= 0x00c0,
-	.end	= 0x00df,
-	.flags	= IORESOURCE_BUSY | IORESOURCE_IO
-}, {
-	.name	= "fpu",
-	.start	= 0x00f0,
-	.end	= 0x00ff,
-	.flags	= IORESOURCE_BUSY | IORESOURCE_IO
-} };
-
-#define STANDARD_IO_RESOURCES \
-	(sizeof standard_io_resources / sizeof standard_io_resources[0])
-
-#define romsignature(x) (*(unsigned short *)(x) == 0xaa55)
-
-static int __init romchecksum(unsigned char *rom, unsigned long length)
-{
-	unsigned char *p, sum = 0;
-
-	for (p = rom; p < rom + length; p++)
-		sum += *p;
-	return sum == 0;
-}
-
-static void __init probe_roms(void)
-{
-	unsigned long start, length, upper;
-	unsigned char *rom;
-	int	      i;
-
-	/* video rom */
-	upper = adapter_rom_resources[0].start;
-	for (start = video_rom_resource.start; start < upper; start += 2048) {
-		rom = isa_bus_to_virt(start);
-		if (!romsignature(rom))
-			continue;
-
-		video_rom_resource.start = start;
-
-		/* 0 < length <= 0x7f * 512, historically */
-		length = rom[2] * 512;
-
-		/* if checksum okay, trust length byte */
-		if (length && romchecksum(rom, length))
-			video_rom_resource.end = start + length - 1;
-
-		request_resource(&iomem_resource, &video_rom_resource);
-		break;
-	}
-
-	start = (video_rom_resource.end + 1 + 2047) & ~2047UL;
-	if (start < upper)
-		start = upper;
-
-	/* system rom */
-	request_resource(&iomem_resource, &system_rom_resource);
-	upper = system_rom_resource.start;
-
-	/* check for extension rom (ignore length byte!) */
-	rom = isa_bus_to_virt(extension_rom_resource.start);
-	if (romsignature(rom)) {
-		length = extension_rom_resource.end - extension_rom_resource.start + 1;
-		if (romchecksum(rom, length)) {
-			request_resource(&iomem_resource, &extension_rom_resource);
-			upper = extension_rom_resource.start;
-		}
-	}
-
-	/* check for adapter roms on 2k boundaries */
-	for (i = 0; i < ADAPTER_ROM_RESOURCES && start < upper; start += 2048) {
-		rom = isa_bus_to_virt(start);
-		if (!romsignature(rom))
-			continue;
-
-		/* 0 < length <= 0x7f * 512, historically */
-		length = rom[2] * 512;
-
-		/* but accept any length that fits if checksum okay */
-		if (!length || start + length > upper || !romchecksum(rom, length))
-			continue;
-
-		adapter_rom_resources[i].start = start;
-		adapter_rom_resources[i].end = start + length - 1;
-		request_resource(&iomem_resource, &adapter_rom_resources[i]);
-
-		start = adapter_rom_resources[i++].end & ~2047UL;
-	}
-}
-
-static void __init limit_regions(unsigned long long size)
-{
-	unsigned long long current_addr = 0;
-	int i;
-
-	if (efi_enabled) {
-		efi_memory_desc_t *md;
-		void *p;
-
-		for (p = memmap.map, i = 0; p < memmap.map_end;
-			p += memmap.desc_size, i++) {
-			md = p;
-			current_addr = md->phys_addr + (md->num_pages << 12);
-			if (md->type == EFI_CONVENTIONAL_MEMORY) {
-				if (current_addr >= size) {
-					md->num_pages -=
-						(((current_addr-size) + PAGE_SIZE-1) >> PAGE_SHIFT);
-					memmap.nr_map = i + 1;
-					return;
-				}
-			}
-		}
-	}
-	for (i = 0; i < e820.nr_map; i++) {
-		current_addr = e820.map[i].addr + e820.map[i].size;
-		if (current_addr < size)
-			continue;
-
-		if (e820.map[i].type != E820_RAM)
-			continue;
-
-		if (e820.map[i].addr >= size) {
-			/*
-			 * This region starts past the end of the
-			 * requested size, skip it completely.
-			 */
-			e820.nr_map = i;
-		} else {
-			e820.nr_map = i + 1;
-			e820.map[i].size -= current_addr - size;
-		}
-		return;
-	}
-}
-
-static void __init add_memory_region(unsigned long long start,
-                                  unsigned long long size, int type)
-{
-	int x;
-
-	if (!efi_enabled) {
-       		x = e820.nr_map;
-
-		if (x == E820MAX) {
-		    printk(KERN_ERR "Ooops! Too many entries in the memory map!\n");
-		    return;
-		}
-
-		e820.map[x].addr = start;
-		e820.map[x].size = size;
-		e820.map[x].type = type;
-		e820.nr_map++;
-	}
-} /* add_memory_region */
-
-#define E820_DEBUG	1
-
-static void __init print_memory_map(char *who)
-{
-	int i;
-
-	for (i = 0; i < e820.nr_map; i++) {
-		printk(" %s: %016Lx - %016Lx ", who,
-			e820.map[i].addr,
-			e820.map[i].addr + e820.map[i].size);
-		switch (e820.map[i].type) {
-		case E820_RAM:	printk("(usable)\n");
-				break;
-		case E820_RESERVED:
-				printk("(reserved)\n");
-				break;
-		case E820_ACPI:
-				printk("(ACPI data)\n");
-				break;
-		case E820_NVS:
-				printk("(ACPI NVS)\n");
-				break;
-		default:	printk("type %lu\n", e820.map[i].type);
-				break;
-		}
-	}
-}
-
-/*
- * Sanitize the BIOS e820 map.
- *
- * Some e820 responses include overlapping entries.  The following 
- * replaces the original e820 map with a new one, removing overlaps.
- *
- */
-struct change_member {
-	struct e820entry *pbios; /* pointer to original bios entry */
-	unsigned long long addr; /* address for this change point */
-};
-static struct change_member change_point_list[2*E820MAX] __initdata;
-static struct change_member *change_point[2*E820MAX] __initdata;
-static struct e820entry *overlap_list[E820MAX] __initdata;
-static struct e820entry new_bios[E820MAX] __initdata;
-
-static int __init sanitize_e820_map(struct e820entry * biosmap, char * pnr_map)
-{
-	struct change_member *change_tmp;
-	unsigned long current_type, last_type;
-	unsigned long long last_addr;
-	int chgidx, still_changing;
-	int overlap_entries;
-	int new_bios_entry;
-	int old_nr, new_nr, chg_nr;
-	int i;
-
-	/*
-		Visually we're performing the following (1,2,3,4 = memory types)...
-
-		Sample memory map (w/overlaps):
-		   ____22__________________
-		   ______________________4_
-		   ____1111________________
-		   _44_____________________
-		   11111111________________
-		   ____________________33__
-		   ___________44___________
-		   __________33333_________
-		   ______________22________
-		   ___________________2222_
-		   _________111111111______
-		   _____________________11_
-		   _________________4______
-
-		Sanitized equivalent (no overlap):
-		   1_______________________
-		   _44_____________________
-		   ___1____________________
-		   ____22__________________
-		   ______11________________
-		   _________1______________
-		   __________3_____________
-		   ___________44___________
-		   _____________33_________
-		   _______________2________
-		   ________________1_______
-		   _________________4______
-		   ___________________2____
-		   ____________________33__
-		   ______________________4_
-	*/
-
-	/* if there's only one memory region, don't bother */
-	if (*pnr_map < 2)
-		return -1;
-
-	old_nr = *pnr_map;
-
-	/* bail out if we find any unreasonable addresses in bios map */
-	for (i=0; i<old_nr; i++)
-		if (biosmap[i].addr + biosmap[i].size < biosmap[i].addr)
-			return -1;
-
-	/* create pointers for initial change-point information (for sorting) */
-	for (i=0; i < 2*old_nr; i++)
-		change_point[i] = &change_point_list[i];
-
-	/* record all known change-points (starting and ending addresses),
-	   omitting those that are for empty memory regions */
-	chgidx = 0;
-	for (i=0; i < old_nr; i++)	{
-		if (biosmap[i].size != 0) {
-			change_point[chgidx]->addr = biosmap[i].addr;
-			change_point[chgidx++]->pbios = &biosmap[i];
-			change_point[chgidx]->addr = biosmap[i].addr + biosmap[i].size;
-			change_point[chgidx++]->pbios = &biosmap[i];
-		}
-	}
-	chg_nr = chgidx;    	/* true number of change-points */
-
-	/* sort change-point list by memory addresses (low -> high) */
-	still_changing = 1;
-	while (still_changing)	{
-		still_changing = 0;
-		for (i=1; i < chg_nr; i++)  {
-			/* if <current_addr> > <last_addr>, swap */
-			/* or, if current=<start_addr> & last=<end_addr>, swap */
-			if ((change_point[i]->addr < change_point[i-1]->addr) ||
-				((change_point[i]->addr == change_point[i-1]->addr) &&
-				 (change_point[i]->addr == change_point[i]->pbios->addr) &&
-				 (change_point[i-1]->addr != change_point[i-1]->pbios->addr))
-			   )
-			{
-				change_tmp = change_point[i];
-				change_point[i] = change_point[i-1];
-				change_point[i-1] = change_tmp;
-				still_changing=1;
-			}
-		}
-	}
-
-	/* create a new bios memory map, removing overlaps */
-	overlap_entries=0;	 /* number of entries in the overlap table */
-	new_bios_entry=0;	 /* index for creating new bios map entries */
-	last_type = 0;		 /* start with undefined memory type */
-	last_addr = 0;		 /* start with 0 as last starting address */
-	/* loop through change-points, determining affect on the new bios map */
-	for (chgidx=0; chgidx < chg_nr; chgidx++)
-	{
-		/* keep track of all overlapping bios entries */
-		if (change_point[chgidx]->addr == change_point[chgidx]->pbios->addr)
-		{
-			/* add map entry to overlap list (> 1 entry implies an overlap) */
-			overlap_list[overlap_entries++]=change_point[chgidx]->pbios;
-		}
-		else
-		{
-			/* remove entry from list (order independent, so swap with last) */
-			for (i=0; i<overlap_entries; i++)
-			{
-				if (overlap_list[i] == change_point[chgidx]->pbios)
-					overlap_list[i] = overlap_list[overlap_entries-1];
-			}
-			overlap_entries--;
-		}
-		/* if there are overlapping entries, decide which "type" to use */
-		/* (larger value takes precedence -- 1=usable, 2,3,4,4+=unusable) */
-		current_type = 0;
-		for (i=0; i<overlap_entries; i++)
-			if (overlap_list[i]->type > current_type)
-				current_type = overlap_list[i]->type;
-		/* continue building up new bios map based on this information */
-		if (current_type != last_type)	{
-			if (last_type != 0)	 {
-				new_bios[new_bios_entry].size =
-					change_point[chgidx]->addr - last_addr;
-				/* move forward only if the new size was non-zero */
-				if (new_bios[new_bios_entry].size != 0)
-					if (++new_bios_entry >= E820MAX)
-						break; 	/* no more space left for new bios entries */
-			}
-			if (current_type != 0)	{
-				new_bios[new_bios_entry].addr = change_point[chgidx]->addr;
-				new_bios[new_bios_entry].type = current_type;
-				last_addr=change_point[chgidx]->addr;
-			}
-			last_type = current_type;
-		}
-	}
-	new_nr = new_bios_entry;   /* retain count for new bios entries */
-
-	/* copy new bios mapping into original location */
-	memcpy(biosmap, new_bios, new_nr*sizeof(struct e820entry));
-	*pnr_map = new_nr;
-
-	return 0;
-}
-
-/*
- * Copy the BIOS e820 map into a safe place.
- *
- * Sanity-check it while we're at it..
- *
- * If we're lucky and live on a modern system, the setup code
- * will have given us a memory map that we can use to properly
- * set up memory.  If we aren't, we'll fake a memory map.
- *
- * We check to see that the memory map contains at least 2 elements
- * before we'll use it, because the detection code in setup.S may
- * not be perfect and most every PC known to man has two memory
- * regions: one from 0 to 640k, and one from 1mb up.  (The IBM
- * thinkpad 560x, for example, does not cooperate with the memory
- * detection code.)
- */
-static int __init copy_e820_map(struct e820entry * biosmap, int nr_map)
-{
-	/* Only one memory region (or negative)? Ignore it */
-	if (nr_map < 2)
-		return -1;
-
-	do {
-		unsigned long long start = biosmap->addr;
-		unsigned long long size = biosmap->size;
-		unsigned long long end = start + size;
-		unsigned long type = biosmap->type;
-
-		/* Overflow in 64 bits? Ignore the memory map. */
-		if (start > end)
-			return -1;
-
-		/*
-		 * Some BIOSes claim RAM in the 640k - 1M region.
-		 * Not right. Fix it up.
-		 */
-		if (type == E820_RAM) {
-			if (start < 0x100000ULL && end > 0xA0000ULL) {
-				if (start < 0xA0000ULL)
-					add_memory_region(start, 0xA0000ULL-start, type);
-				if (end <= 0x100000ULL)
-					continue;
-				start = 0x100000ULL;
-				size = end - start;
-			}
-		}
-		add_memory_region(start, size, type);
-	} while (biosmap++,--nr_map);
-	return 0;
-}
-
 #if defined(CONFIG_EDD) || defined(CONFIG_EDD_MODULE)
 struct edd edd;
 #ifdef CONFIG_EDD_MODULE
@@ -699,296 +159,105 @@ static inline void copy_edd(void)
 }
 #endif
 
+int __initdata user_defined_memmap = 0;
+
 /*
- * Do NOT EVER look at the BIOS memory size location.
- * It does not work on many machines.
+ * "mem=nopentium" disables the 4MB page tables.
+ * "mem=XXX[kKmM]" defines a memory region from HIGH_MEM
+ * to <mem>, overriding the bios size.
+ * "memmap=XXX[KkmM]@XXX[KkmM]" defines a memory region from
+ * <start> to <start>+<mem>, overriding the bios size.
+ *
+ * HPA tells me bootloaders need to parse mem=, so no new
+ * option should be mem=  [also see Documentation/i386/boot.txt]
  */
-#define LOWMEMSIZE()	(0x9f000)
-
-static void __init parse_cmdline_early (char ** cmdline_p)
+static int __init parse_mem(char *arg)
 {
-	char c = ' ', *to = command_line, *from = saved_command_line;
-	int len = 0;
-	int userdef = 0;
-
-	/* Save unparsed command line copy for /proc/cmdline */
-	saved_command_line[COMMAND_LINE_SIZE-1] = '\0';
-
-	for (;;) {
-		if (c != ' ')
-			goto next_char;
-		/*
-		 * "mem=nopentium" disables the 4MB page tables.
-		 * "mem=XXX[kKmM]" defines a memory region from HIGH_MEM
-		 * to <mem>, overriding the bios size.
-		 * "memmap=XXX[KkmM]@XXX[KkmM]" defines a memory region from
-		 * <start> to <start>+<mem>, overriding the bios size.
-		 *
-		 * HPA tells me bootloaders need to parse mem=, so no new
-		 * option should be mem=  [also see Documentation/i386/boot.txt]
-		 */
-		if (!memcmp(from, "mem=", 4)) {
-			if (to != command_line)
-				to--;
-			if (!memcmp(from+4, "nopentium", 9)) {
-				from += 9+4;
-				clear_bit(X86_FEATURE_PSE, boot_cpu_data.x86_capability);
-				disable_pse = 1;
-			} else {
-				/* If the user specifies memory size, we
-				 * limit the BIOS-provided memory map to
-				 * that size. exactmap can be used to specify
-				 * the exact map. mem=number can be used to
-				 * trim the existing memory map.
-				 */
-				unsigned long long mem_size;
- 
-				mem_size = memparse(from+4, &from);
-				limit_regions(mem_size);
-				userdef=1;
-			}
-		}
+	if (!arg)
+		return -EINVAL;
 
-		else if (!memcmp(from, "memmap=", 7)) {
-			if (to != command_line)
-				to--;
-			if (!memcmp(from+7, "exactmap", 8)) {
-#ifdef CONFIG_CRASH_DUMP
-				/* If we are doing a crash dump, we
-				 * still need to know the real mem
-				 * size before original memory map is
-				 * reset.
-				 */
-				find_max_pfn();
-				saved_max_pfn = max_pfn;
-#endif
-				from += 8+7;
-				e820.nr_map = 0;
-				userdef = 1;
-			} else {
-				/* If the user specifies memory size, we
-				 * limit the BIOS-provided memory map to
-				 * that size. exactmap can be used to specify
-				 * the exact map. mem=number can be used to
-				 * trim the existing memory map.
-				 */
-				unsigned long long start_at, mem_size;
- 
-				mem_size = memparse(from+7, &from);
-				if (*from == '@') {
-					start_at = memparse(from+1, &from);
-					add_memory_region(start_at, mem_size, E820_RAM);
-				} else if (*from == '#') {
-					start_at = memparse(from+1, &from);
-					add_memory_region(start_at, mem_size, E820_ACPI);
-				} else if (*from == '$') {
-					start_at = memparse(from+1, &from);
-					add_memory_region(start_at, mem_size, E820_RESERVED);
-				} else {
-					limit_regions(mem_size);
-					userdef=1;
-				}
-			}
-		}
-
-		else if (!memcmp(from, "noexec=", 7))
-			noexec_setup(from + 7);
-
-
-#ifdef  CONFIG_X86_SMP
-		/*
-		 * If the BIOS enumerates physical processors before logical,
-		 * maxcpus=N at enumeration-time can be used to disable HT.
+	if (strcmp(arg, "nopentium") == 0) {
+		clear_bit(X86_FEATURE_PSE, boot_cpu_data.x86_capability);
+		disable_pse = 1;
+	} else {
+		/* If the user specifies memory size, we
+		 * limit the BIOS-provided memory map to
+		 * that size. exactmap can be used to specify
+		 * the exact map. mem=number can be used to
+		 * trim the existing memory map.
 		 */
-		else if (!memcmp(from, "maxcpus=", 8)) {
-			extern unsigned int maxcpus;
-
-			maxcpus = simple_strtoul(from + 8, NULL, 0);
-		}
-#endif
-
-#ifdef CONFIG_ACPI
-		/* "acpi=off" disables both ACPI table parsing and interpreter */
-		else if (!memcmp(from, "acpi=off", 8)) {
-			disable_acpi();
-		}
-
-		/* acpi=force to over-ride black-list */
-		else if (!memcmp(from, "acpi=force", 10)) {
-			acpi_force = 1;
-			acpi_ht = 1;
-			acpi_disabled = 0;
-		}
-
-		/* acpi=strict disables out-of-spec workarounds */
-		else if (!memcmp(from, "acpi=strict", 11)) {
-			acpi_strict = 1;
-		}
-
-		/* Limit ACPI just to boot-time to enable HT */
-		else if (!memcmp(from, "acpi=ht", 7)) {
-			if (!acpi_force)
-				disable_acpi();
-			acpi_ht = 1;
-		}
-		
-		/* "pci=noacpi" disable ACPI IRQ routing and PCI scan */
-		else if (!memcmp(from, "pci=noacpi", 10)) {
-			acpi_disable_pci();
-		}
-		/* "acpi=noirq" disables ACPI interrupt routing */
-		else if (!memcmp(from, "acpi=noirq", 10)) {
-			acpi_noirq_set();
-		}
-
-		else if (!memcmp(from, "acpi_sci=edge", 13))
-			acpi_sci_flags.trigger =  1;
-
-		else if (!memcmp(from, "acpi_sci=level", 14))
-			acpi_sci_flags.trigger = 3;
-
-		else if (!memcmp(from, "acpi_sci=high", 13))
-			acpi_sci_flags.polarity = 1;
-
-		else if (!memcmp(from, "acpi_sci=low", 12))
-			acpi_sci_flags.polarity = 3;
-
-#ifdef CONFIG_X86_IO_APIC
-		else if (!memcmp(from, "acpi_skip_timer_override", 24))
-			acpi_skip_timer_override = 1;
-
-		if (!memcmp(from, "disable_timer_pin_1", 19))
-			disable_timer_pin_1 = 1;
-		if (!memcmp(from, "enable_timer_pin_1", 18))
-			disable_timer_pin_1 = -1;
-
-		/* disable IO-APIC */
-		else if (!memcmp(from, "noapic", 6))
-			disable_ioapic_setup();
-#endif /* CONFIG_X86_IO_APIC */
-#endif /* CONFIG_ACPI */
-
-#ifdef CONFIG_X86_LOCAL_APIC
-		/* enable local APIC */
-		else if (!memcmp(from, "lapic", 5))
-			lapic_enable();
-
-		/* disable local APIC */
-		else if (!memcmp(from, "nolapic", 6))
-			lapic_disable();
-#endif /* CONFIG_X86_LOCAL_APIC */
+		unsigned long long mem_size;
+ 
+		mem_size = memparse(arg, &arg);
+		limit_regions(mem_size);
+		user_defined_memmap = 1;
+	}
+	return 0;
+}
+early_param("mem", parse_mem);
 
-#ifdef CONFIG_KEXEC
-		/* crashkernel=size@addr specifies the location to reserve for
-		 * a crash kernel.  By reserving this memory we guarantee
-		 * that linux never set's it up as a DMA target.
-		 * Useful for holding code to do something appropriate
-		 * after a kernel panic.
-		 */
-		else if (!memcmp(from, "crashkernel=", 12)) {
-			unsigned long size, base;
-			size = memparse(from+12, &from);
-			if (*from == '@') {
-				base = memparse(from+1, &from);
-				/* FIXME: Do I want a sanity check
-				 * to validate the memory range?
-				 */
-				crashk_res.start = base;
-				crashk_res.end   = base + size - 1;
-			}
-		}
-#endif
 #ifdef CONFIG_PROC_VMCORE
-		/* elfcorehdr= specifies the location of elf core header
-		 * stored by the crashed kernel.
-		 */
-		else if (!memcmp(from, "elfcorehdr=", 11))
-			elfcorehdr_addr = memparse(from+11, &from);
-#endif
+/* elfcorehdr= specifies the location of elf core header
+ * stored by the crashed kernel.
+ */
+static int __init parse_elfcorehdr(char *arg)
+{
+	if (!arg)
+		return -EINVAL;
 
-		/*
-		 * highmem=size forces highmem to be exactly 'size' bytes.
-		 * This works even on boxes that have no highmem otherwise.
-		 * This also works to reduce highmem size on bigger boxes.
-		 */
-		else if (!memcmp(from, "highmem=", 8))
-			highmem_pages = memparse(from+8, &from) >> PAGE_SHIFT;
-	
-		/*
-		 * vmalloc=size forces the vmalloc area to be exactly 'size'
-		 * bytes. This can be used to increase (or decrease) the
-		 * vmalloc area - the default is 128m.
-		 */
-		else if (!memcmp(from, "vmalloc=", 8))
-			__VMALLOC_RESERVE = memparse(from+8, &from);
-
-	next_char:
-		c = *(from++);
-		if (!c)
-			break;
-		if (COMMAND_LINE_SIZE <= ++len)
-			break;
-		*(to++) = c;
-	}
-	*to = '\0';
-	*cmdline_p = command_line;
-	if (userdef) {
-		printk(KERN_INFO "user-defined physical RAM map:\n");
-		print_memory_map("user");
-	}
+	elfcorehdr_addr = memparse(arg, &arg);
+	return 0;
 }
+early_param("elfcorehdr", parse_elfcorehdr);
+#endif /* CONFIG_PROC_VMCORE */
 
 /*
- * Callback for efi_memory_walk.
+ * highmem=size forces highmem to be exactly 'size' bytes.
+ * This works even on boxes that have no highmem otherwise.
+ * This also works to reduce highmem size on bigger boxes.
  */
-static int __init
-efi_find_max_pfn(unsigned long start, unsigned long end, void *arg)
+static int __init parse_highmem(char *arg)
 {
-	unsigned long *max_pfn = arg, pfn;
+	if (!arg)
+		return -EINVAL;
 
-	if (start < end) {
-		pfn = PFN_UP(end -1);
-		if (pfn > *max_pfn)
-			*max_pfn = pfn;
-	}
+	highmem_pages = memparse(arg, &arg) >> PAGE_SHIFT;
 	return 0;
 }
+early_param("highmem", parse_highmem);
 
-static int __init
-efi_memory_present_wrapper(unsigned long start, unsigned long end, void *arg)
+/*
+ * vmalloc=size forces the vmalloc area to be exactly 'size'
+ * bytes. This can be used to increase (or decrease) the
+ * vmalloc area - the default is 128m.
+ */
+static int __init parse_vmalloc(char *arg)
 {
-	memory_present(0, start, end);
+	if (!arg)
+		return -EINVAL;
+
+	__VMALLOC_RESERVE = memparse(arg, &arg);
 	return 0;
 }
+early_param("vmalloc", parse_vmalloc);
 
 /*
- * Find the highest page frame number we have available
+ * reservetop=size reserves a hole at the top of the kernel address space which
+ * a hypervisor can load into later.  Needed for dynamically loaded hypervisors,
+ * so relocating the fixmap can be done before paging initialization.
  */
-void __init find_max_pfn(void)
+static int __init parse_reservetop(char *arg)
 {
-	int i;
+	unsigned long address;
 
-	max_pfn = 0;
-	if (efi_enabled) {
-		efi_memmap_walk(efi_find_max_pfn, &max_pfn);
-		efi_memmap_walk(efi_memory_present_wrapper, NULL);
-		return;
-	}
+	if (!arg)
+		return -EINVAL;
 
-	for (i = 0; i < e820.nr_map; i++) {
-		unsigned long start, end;
-		/* RAM? */
-		if (e820.map[i].type != E820_RAM)
-			continue;
-		start = PFN_UP(e820.map[i].addr);
-		end = PFN_DOWN(e820.map[i].addr + e820.map[i].size);
-		if (start >= end)
-			continue;
-		if (end > max_pfn)
-			max_pfn = end;
-		memory_present(0, start, end);
-	}
+	address = memparse(arg, &arg);
+	reserve_top_address(address);
+	return 0;
 }
+early_param("reservetop", parse_reservetop);
 
 /*
  * Determine low and high memory ranges:
@@ -1049,68 +318,6 @@ unsigned long __init find_max_low_pfn(void)
 	return max_low_pfn;
 }
 
-/*
- * Free all available memory for boot time allocation.  Used
- * as a callback function by efi_memory_walk()
- */
-
-static int __init
-free_available_memory(unsigned long start, unsigned long end, void *arg)
-{
-	/* check max_low_pfn */
-	if (start >= ((max_low_pfn + 1) << PAGE_SHIFT))
-		return 0;
-	if (end >= ((max_low_pfn + 1) << PAGE_SHIFT))
-		end = (max_low_pfn + 1) << PAGE_SHIFT;
-	if (start < end)
-		free_bootmem(start, end - start);
-
-	return 0;
-}
-/*
- * Register fully available low RAM pages with the bootmem allocator.
- */
-static void __init register_bootmem_low_pages(unsigned long max_low_pfn)
-{
-	int i;
-
-	if (efi_enabled) {
-		efi_memmap_walk(free_available_memory, NULL);
-		return;
-	}
-	for (i = 0; i < e820.nr_map; i++) {
-		unsigned long curr_pfn, last_pfn, size;
-		/*
-		 * Reserve usable low memory
-		 */
-		if (e820.map[i].type != E820_RAM)
-			continue;
-		/*
-		 * We are rounding up the start address of usable memory:
-		 */
-		curr_pfn = PFN_UP(e820.map[i].addr);
-		if (curr_pfn >= max_low_pfn)
-			continue;
-		/*
-		 * ... and at the end of the usable range downwards:
-		 */
-		last_pfn = PFN_DOWN(e820.map[i].addr + e820.map[i].size);
-
-		if (last_pfn > max_low_pfn)
-			last_pfn = max_low_pfn;
-
-		/*
-		 * .. finally, did all the rounding and playing
-		 * around just make the area go away?
-		 */
-		if (last_pfn <= curr_pfn)
-			continue;
-
-		size = last_pfn - curr_pfn;
-		free_bootmem(PFN_PHYS(curr_pfn), PFN_PHYS(size));
-	}
-}
-
 /*
  * workaround for Dell systems that neglect to reserve EBDA
  */
@@ -1143,6 +350,14 @@ static unsigned long __init setup_memory(void)
 	}
 	printk(KERN_NOTICE "%ldMB HIGHMEM available.\n",
 		pages_to_mb(highend_pfn - highstart_pfn));
+	num_physpages = highend_pfn;
+	high_memory = (void *) __va(highstart_pfn * PAGE_SIZE - 1) + 1;
+#else
+	num_physpages = max_low_pfn;
+	high_memory = (void *) __va(max_low_pfn * PAGE_SIZE - 1) + 1;
+#endif
+#ifdef CONFIG_FLATMEM
+	max_mapnr = num_physpages;
 #endif
 	printk(KERN_NOTICE "%ldMB LOWMEM available.\n",
 			pages_to_mb(max_low_pfn));
@@ -1154,22 +369,19 @@ static unsigned long __init setup_memory(void)
 
 void __init zone_sizes_init(void)
 {
-	unsigned long zones_size[MAX_NR_ZONES] = {0, 0, 0};
-	unsigned int max_dma, low;
-
-	max_dma = virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT;
-	low = max_low_pfn;
-
-	if (low < max_dma)
-		zones_size[ZONE_DMA] = low;
-	else {
-		zones_size[ZONE_DMA] = max_dma;
-		zones_size[ZONE_NORMAL] = low - max_dma;
+	unsigned long max_zone_pfns[MAX_NR_ZONES];
+	memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
+	max_zone_pfns[ZONE_DMA] =
+		virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT;
+	max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
 #ifdef CONFIG_HIGHMEM
-		zones_size[ZONE_HIGHMEM] = highend_pfn - low;
+	max_zone_pfns[ZONE_HIGHMEM] = highend_pfn;
+	add_active_range(0, 0, highend_pfn);
+#else
+	add_active_range(0, 0, max_low_pfn);
 #endif
-	}
-	free_area_init(zones_size);
+
+	free_area_init_nodes(max_zone_pfns);
 }
 #else
 extern unsigned long __init setup_memory(void);
@@ -1192,8 +404,8 @@ void __init setup_bootmem_allocator(void)
 	 * the (very unlikely) case of us accidentally initializing the
 	 * bootmem allocator with an invalid RAM area.
 	 */
-	reserve_bootmem(PHYSICAL_START, (PFN_PHYS(min_low_pfn) +
-			 bootmap_size + PAGE_SIZE-1) - (PHYSICAL_START));
+	reserve_bootmem(__pa_symbol(_text), (PFN_PHYS(min_low_pfn) +
+			 bootmap_size + PAGE_SIZE-1) - __pa_symbol(_text));
 
 	/*
 	 * reserve physical page 0 - it's a special BIOS page on many boxes,
@@ -1231,13 +443,12 @@ void __init setup_bootmem_allocator(void)
 	 */
 	find_smp_config();
 #endif
-
+	numa_kva_reserve();
 #ifdef CONFIG_BLK_DEV_INITRD
 	if (LOADER_TYPE && INITRD_START) {
 		if (INITRD_START + INITRD_SIZE <= (max_low_pfn << PAGE_SHIFT)) {
 			reserve_bootmem(INITRD_START, INITRD_SIZE);
-			initrd_start =
-				INITRD_START ? INITRD_START + PAGE_OFFSET : 0;
+			initrd_start = INITRD_START + PAGE_OFFSET;
 			initrd_end = initrd_start+INITRD_SIZE;
 		}
 		else {
@@ -1274,206 +485,6 @@ void __init remapped_pgdat_init(void)
 	}
 }
 
-/*
- * Request address space for all standard RAM and ROM resources
- * and also for regions reported as reserved by the e820.
- */
-static void __init
-legacy_init_iomem_resources(struct resource *code_resource, struct resource *data_resource)
-{
-	int i;
-
-	probe_roms();
-	for (i = 0; i < e820.nr_map; i++) {
-		struct resource *res;
-		if (e820.map[i].addr + e820.map[i].size > 0x100000000ULL)
-			continue;
-		res = alloc_bootmem_low(sizeof(struct resource));
-		switch (e820.map[i].type) {
-		case E820_RAM:	res->name = "System RAM"; break;
-		case E820_ACPI:	res->name = "ACPI Tables"; break;
-		case E820_NVS:	res->name = "ACPI Non-volatile Storage"; break;
-		default:	res->name = "reserved";
-		}
-		res->start = e820.map[i].addr;
-		res->end = res->start + e820.map[i].size - 1;
-		res->flags = IORESOURCE_MEM | IORESOURCE_BUSY;
-		request_resource(&iomem_resource, res);
-		if (e820.map[i].type == E820_RAM) {
-			/*
-			 *  We don't know which RAM region contains kernel data,
-			 *  so we try it repeatedly and let the resource manager
-			 *  test it.
-			 */
-			request_resource(res, code_resource);
-			request_resource(res, data_resource);
-#ifdef CONFIG_KEXEC
-			request_resource(res, &crashk_res);
-#endif
-		}
-	}
-}
-
-/*
- * Request address space for all standard resources
- */
-static void __init register_memory(void)
-{
-	unsigned long gapstart, gapsize, round;
-	unsigned long long last;
-	int	      i;
-
-	if (efi_enabled)
-		efi_initialize_iomem_resources(&code_resource, &data_resource);
-	else
-		legacy_init_iomem_resources(&code_resource, &data_resource);
-
-	/* EFI systems may still have VGA */
-	request_resource(&iomem_resource, &video_ram_resource);
-
-	/* request I/O space for devices used on all i[345]86 PCs */
-	for (i = 0; i < STANDARD_IO_RESOURCES; i++)
-		request_resource(&ioport_resource, &standard_io_resources[i]);
-
-	/*
-	 * Search for the bigest gap in the low 32 bits of the e820
-	 * memory space.
-	 */
-	last = 0x100000000ull;
-	gapstart = 0x10000000;
-	gapsize = 0x400000;
-	i = e820.nr_map;
-	while (--i >= 0) {
-		unsigned long long start = e820.map[i].addr;
-		unsigned long long end = start + e820.map[i].size;
-
-		/*
-		 * Since "last" is at most 4GB, we know we'll
-		 * fit in 32 bits if this condition is true
-		 */
-		if (last > end) {
-			unsigned long gap = last - end;
-
-			if (gap > gapsize) {
-				gapsize = gap;
-				gapstart = end;
-			}
-		}
-		if (start < last)
-			last = start;
-	}
-
-	/*
-	 * See how much we want to round up: start off with
-	 * rounding to the next 1MB area.
-	 */
-	round = 0x100000;
-	while ((gapsize >> 4) > round)
-		round += round;
-	/* Fun with two's complement */
-	pci_mem_start = (gapstart + round) & -round;
-
-	printk("Allocating PCI resources starting at %08lx (gap: %08lx:%08lx)\n",
-		pci_mem_start, gapstart, gapsize);
-}
-
-/* Use inline assembly to define this because the nops are defined 
-   as inline assembly strings in the include files and we cannot 
-   get them easily into strings. */
-asm("\t.data\nintelnops: " 
-    GENERIC_NOP1 GENERIC_NOP2 GENERIC_NOP3 GENERIC_NOP4 GENERIC_NOP5 GENERIC_NOP6
-    GENERIC_NOP7 GENERIC_NOP8); 
-asm("\t.data\nk8nops: " 
-    K8_NOP1 K8_NOP2 K8_NOP3 K8_NOP4 K8_NOP5 K8_NOP6
-    K8_NOP7 K8_NOP8); 
-asm("\t.data\nk7nops: " 
-    K7_NOP1 K7_NOP2 K7_NOP3 K7_NOP4 K7_NOP5 K7_NOP6
-    K7_NOP7 K7_NOP8); 
-    
-extern unsigned char intelnops[], k8nops[], k7nops[];
-static unsigned char *intel_nops[ASM_NOP_MAX+1] = { 
-     NULL,
-     intelnops,
-     intelnops + 1,
-     intelnops + 1 + 2,
-     intelnops + 1 + 2 + 3,
-     intelnops + 1 + 2 + 3 + 4,
-     intelnops + 1 + 2 + 3 + 4 + 5,
-     intelnops + 1 + 2 + 3 + 4 + 5 + 6,
-     intelnops + 1 + 2 + 3 + 4 + 5 + 6 + 7,
-}; 
-static unsigned char *k8_nops[ASM_NOP_MAX+1] = { 
-     NULL,
-     k8nops,
-     k8nops + 1,
-     k8nops + 1 + 2,
-     k8nops + 1 + 2 + 3,
-     k8nops + 1 + 2 + 3 + 4,
-     k8nops + 1 + 2 + 3 + 4 + 5,
-     k8nops + 1 + 2 + 3 + 4 + 5 + 6,
-     k8nops + 1 + 2 + 3 + 4 + 5 + 6 + 7,
-}; 
-static unsigned char *k7_nops[ASM_NOP_MAX+1] = { 
-     NULL,
-     k7nops,
-     k7nops + 1,
-     k7nops + 1 + 2,
-     k7nops + 1 + 2 + 3,
-     k7nops + 1 + 2 + 3 + 4,
-     k7nops + 1 + 2 + 3 + 4 + 5,
-     k7nops + 1 + 2 + 3 + 4 + 5 + 6,
-     k7nops + 1 + 2 + 3 + 4 + 5 + 6 + 7,
-}; 
-static struct nop { 
-     int cpuid; 
-     unsigned char **noptable; 
-} noptypes[] = { 
-     { X86_FEATURE_K8, k8_nops }, 
-     { X86_FEATURE_K7, k7_nops }, 
-     { -1, NULL }
-}; 
-
-/* Replace instructions with better alternatives for this CPU type.
-
-   This runs before SMP is initialized to avoid SMP problems with
-   self modifying code. This implies that assymetric systems where
-   APs have less capabilities than the boot processor are not handled. 
-   Tough. Make sure you disable such features by hand. */ 
-void apply_alternatives(void *start, void *end) 
-{ 
-	struct alt_instr *a; 
-	int diff, i, k;
-        unsigned char **noptable = intel_nops; 
-	for (i = 0; noptypes[i].cpuid >= 0; i++) { 
-		if (boot_cpu_has(noptypes[i].cpuid)) { 
-			noptable = noptypes[i].noptable;
-			break;
-		}
-	} 
-	for (a = start; (void *)a < end; a++) { 
-		if (!boot_cpu_has(a->cpuid))
-			continue;
-		BUG_ON(a->replacementlen > a->instrlen); 
-		memcpy(a->instr, a->replacement, a->replacementlen); 
-		diff = a->instrlen - a->replacementlen; 
-		/* Pad the rest with nops */
-		for (i = a->replacementlen; diff > 0; diff -= k, i += k) {
-			k = diff;
-			if (k > ASM_NOP_MAX)
-				k = ASM_NOP_MAX;
-			memcpy(a->instr + i, noptable[k], k); 
-		} 
-	}
-} 
-
-void __init alternative_instructions(void)
-{
-	extern struct alt_instr __alt_instructions[], __alt_instructions_end[];
-	apply_alternatives(__alt_instructions, __alt_instructions_end);
-}
-
-static char * __init machine_specific_memory_setup(void);
-
 #ifdef CONFIG_MCA
 static void set_mca_bus(int x)
 {
@@ -1483,6 +494,12 @@ static void set_mca_bus(int x)
 static void set_mca_bus(int x) { }
 #endif
 
+/* Overridden in paravirt.c if CONFIG_PARAVIRT */
+char * __init __attribute__((weak)) memory_setup(void)
+{
+	return machine_specific_memory_setup();
+}
+
 /*
  * Determine if we were loaded by an EFI loader.  If so, then we have also been
  * passed the efi memmap, systab, etc., so we should use these data structures
@@ -1535,7 +552,7 @@ void __init setup_arch(char **cmdline_p)
 		efi_init();
 	else {
 		printk(KERN_INFO "BIOS-provided physical RAM map:\n");
-		print_memory_map(machine_specific_memory_setup());
+		print_memory_map(memory_setup());
 	}
 
 	copy_edd();
@@ -1552,7 +569,15 @@ void __init setup_arch(char **cmdline_p)
 	data_resource.start = virt_to_phys(_etext);
 	data_resource.end = virt_to_phys(_edata)-1;
 
-	parse_cmdline_early(cmdline_p);
+	parse_early_param();
+
+	if (user_defined_memmap) {
+		printk(KERN_INFO "user-defined physical RAM map:\n");
+		print_memory_map("user");
+	}
+
+	strlcpy(command_line, saved_command_line, COMMAND_LINE_SIZE);
+	*cmdline_p = command_line;
 
 	max_low_pfn = setup_memory();
 
@@ -1578,36 +603,28 @@ void __init setup_arch(char **cmdline_p)
 	 * NOTE: at this point the bootmem allocator is fully available.
 	 */
 
-#ifdef CONFIG_EARLY_PRINTK
-	{
-		char *s = strstr(*cmdline_p, "earlyprintk=");
-		if (s) {
-			extern void setup_early_printk(char *);
-
-			setup_early_printk(strchr(s, '=') + 1);
-			printk("early console enabled\n");
-		}
-	}
-#endif
-
-
 	dmi_scan_machine();
 
 #ifdef CONFIG_X86_GENERICARCH
-	generic_apic_probe(*cmdline_p);
+	generic_apic_probe();
 #endif	
 	if (efi_enabled)
 		efi_map_memmap();
 
-#ifdef CONFIG_X86_IO_APIC
-	check_acpi_pci();	/* Checks more than just ACPI actually */
-#endif
-
 #ifdef CONFIG_ACPI
 	/*
 	 * Parse the ACPI tables for possible boot-time SMP configuration.
 	 */
 	acpi_boot_table_init();
+#endif
+
+#ifdef CONFIG_PCI
+#ifdef CONFIG_X86_IO_APIC
+	check_acpi_pci();	/* Checks more than just ACPI actually */
+#endif
+#endif
+
+#ifdef CONFIG_ACPI
 	acpi_boot_init();
 
 #if defined(CONFIG_SMP) && defined(CONFIG_X86_PC)
@@ -1622,7 +639,7 @@ void __init setup_arch(char **cmdline_p)
 		get_smp_config();
 #endif
 
-	register_memory();
+	e820_register_memory();
 
 #ifdef CONFIG_VT
 #if defined(CONFIG_VGA_CONSOLE)
@@ -1632,9 +649,26 @@ void __init setup_arch(char **cmdline_p)
 	conswitchp = &dummy_con;
 #endif
 #endif
+	tsc_init();
+}
+
+static __init int add_pcspkr(void)
+{
+	struct platform_device *pd;
+	int ret;
+
+	pd = platform_device_alloc("pcspkr", -1);
+	if (!pd)
+		return -ENOMEM;
+
+	ret = platform_device_add(pd);
+	if (ret)
+		platform_device_put(pd);
+
+	return ret;
 }
+device_initcall(add_pcspkr);
 
-#include "setup_arch_post.h"
 /*
  * Local Variables:
  * mode:c