#include <xen/interface/memory.h>
extern unsigned long start_pfn;
-extern struct edid_info edid_info;
-EXPORT_SYMBOL_GPL(edid_info);
shared_info_t *HYPERVISOR_shared_info = (shared_info_t *)empty_zero_page;
EXPORT_SYMBOL(HYPERVISOR_shared_info);
unsigned long mmu_cr4_features;
-int acpi_disabled;
-EXPORT_SYMBOL(acpi_disabled);
-#ifdef CONFIG_ACPI
-extern int __initdata acpi_ht;
-extern acpi_interrupt_flags acpi_sci_flags;
-int __initdata acpi_force = 0;
-#endif
-
-int acpi_numa __initdata;
-
/* Boot loader ID as an integer, for the benefit of proc_dointvec */
int bootloader_type;
};
struct edid_info edid_info;
-struct e820map e820;
+EXPORT_SYMBOL_GPL(edid_info);
#ifdef CONFIG_XEN
struct e820map machine_e820;
#endif
.flags = IORESOURCE_BUSY | IORESOURCE_IO }
};
-#define STANDARD_IO_RESOURCES \
- (sizeof standard_io_resources / sizeof standard_io_resources[0])
-
#define IORESOURCE_RAM (IORESOURCE_BUSY | IORESOURCE_MEM)
struct resource data_resource = {
.flags = IORESOURCE_ROM }
};
-#define ADAPTER_ROM_RESOURCES \
- (sizeof adapter_rom_resources / sizeof adapter_rom_resources[0])
-
static struct resource video_rom_resource = {
.name = "Video ROM",
.start = 0xc0000,
}
/* check for adapter roms on 2k boundaries */
- for (i = 0; i < ADAPTER_ROM_RESOURCES && start < upper; start += 2048) {
+ for (i = 0; i < ARRAY_SIZE(adapter_rom_resources) && start < upper;
+ start += 2048) {
rom = isa_bus_to_virt(start);
if (!romsignature(rom))
continue;
}
}
-/* Check for full argument with no trailing characters */
-static int fullarg(char *p, char *arg)
+#ifdef CONFIG_PROC_VMCORE
+/* elfcorehdr= specifies the location of elf core header
+ * stored by the crashed kernel. This option will be passed
+ * by kexec loader to the capture kernel.
+ */
+static int __init setup_elfcorehdr(char *arg)
{
- int l = strlen(arg);
- return !memcmp(p, arg, l) && (p[l] == 0 || isspace(p[l]));
+ char *end;
+ if (!arg)
+ return -EINVAL;
+ elfcorehdr_addr = memparse(arg, &end);
+ return end > arg ? 0 : -EINVAL;
}
-
-static __init void parse_cmdline_early (char ** cmdline_p)
-{
- char c = ' ', *to = command_line, *from = COMMAND_LINE;
- int len = 0;
- int userdef = 0;
-
- for (;;) {
- if (c != ' ')
- goto next_char;
-
-#ifdef CONFIG_SMP
- /*
- * If the BIOS enumerates physical processors before logical,
- * maxcpus=N at enumeration-time can be used to disable HT.
- */
- 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 init */
- if (fullarg(from,"acpi=off"))
- disable_acpi();
-
- if (fullarg(from, "acpi=force")) {
- /* add later when we do DMI horrors: */
- acpi_force = 1;
- acpi_disabled = 0;
- }
-
- /* acpi=ht just means: do ACPI MADT parsing
- at bootup, but don't enable the full ACPI interpreter */
- if (fullarg(from, "acpi=ht")) {
- if (!acpi_force)
- disable_acpi();
- acpi_ht = 1;
- }
- else if (fullarg(from, "pci=noacpi"))
- acpi_disable_pci();
- else if (fullarg(from, "acpi=noirq"))
- acpi_noirq_set();
-
- else if (fullarg(from, "acpi_sci=edge"))
- acpi_sci_flags.trigger = 1;
- else if (fullarg(from, "acpi_sci=level"))
- acpi_sci_flags.trigger = 3;
- else if (fullarg(from, "acpi_sci=high"))
- acpi_sci_flags.polarity = 1;
- else if (fullarg(from, "acpi_sci=low"))
- acpi_sci_flags.polarity = 3;
-
- /* acpi=strict disables out-of-spec workarounds */
- else if (fullarg(from, "acpi=strict")) {
- acpi_strict = 1;
- }
-#ifdef CONFIG_X86_IO_APIC
- else if (fullarg(from, "acpi_skip_timer_override"))
- acpi_skip_timer_override = 1;
-#endif
-#endif
-
-#ifndef CONFIG_XEN
- if (fullarg(from, "disable_timer_pin_1"))
- disable_timer_pin_1 = 1;
- if (fullarg(from, "enable_timer_pin_1"))
- disable_timer_pin_1 = -1;
-
- if (fullarg(from, "nolapic") || fullarg(from, "disableapic")) {
- clear_bit(X86_FEATURE_APIC, boot_cpu_data.x86_capability);
- disable_apic = 1;
- }
-
- if (fullarg(from, "noapic"))
- skip_ioapic_setup = 1;
-
- if (fullarg(from,"apic")) {
- skip_ioapic_setup = 0;
- ioapic_force = 1;
- }
+early_param("elfcorehdr", setup_elfcorehdr);
#endif
-
- if (!memcmp(from, "mem=", 4))
- parse_memopt(from+4, &from);
-
- if (!memcmp(from, "memmap=", 7)) {
- /* exactmap option is for used defined memory */
- 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.
- */
- saved_max_pfn = e820_end_of_ram();
-#endif
- from += 8+7;
- end_pfn_map = 0;
- e820.nr_map = 0;
- userdef = 1;
- }
- else {
- parse_memmapopt(from+7, &from);
- userdef = 1;
- }
- }
-
-#ifdef CONFIG_NUMA
- if (!memcmp(from, "numa=", 5))
- numa_setup(from+5);
-#endif
-
- if (!memcmp(from,"iommu=",6)) {
- iommu_setup(from+6);
- }
-
- if (fullarg(from,"oops=panic"))
- panic_on_oops = 1;
-
- if (!memcmp(from, "noexec=", 7))
- nonx_setup(from + 7);
-
-#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. This option will be passed
- * by kexec loader to the capture kernel.
- */
- else if(!memcmp(from, "elfcorehdr=", 11))
- elfcorehdr_addr = memparse(from+11, &from);
-#endif
-
-#if defined(CONFIG_HOTPLUG_CPU) && !defined(CONFIG_XEN)
- else if (!memcmp(from, "additional_cpus=", 16))
- setup_additional_cpus(from+16);
-#endif
-
- next_char:
- c = *(from++);
- if (!c)
- break;
- if (COMMAND_LINE_SIZE <= ++len)
- break;
- *(to++) = c;
- }
- if (userdef) {
- printk(KERN_INFO "user-defined physical RAM map:\n");
- e820_print_map("user");
- }
- *to = '\0';
- *cmdline_p = command_line;
-}
#ifndef CONFIG_NUMA
static void __init
if (bootmap == -1L)
panic("Cannot find bootmem map of size %ld\n",bootmap_size);
bootmap_size = init_bootmem(bootmap >> PAGE_SHIFT, end_pfn);
+ e820_register_active_regions(0, start_pfn, end_pfn);
#ifdef CONFIG_XEN
- e820_bootmem_free(NODE_DATA(0), 0, xen_start_info->nr_pages<<PAGE_SHIFT);
+ free_bootmem_with_active_regions(0, xen_start_info->nr_pages);
#else
- e820_bootmem_free(NODE_DATA(0), 0, end_pfn << PAGE_SHIFT);
+ free_bootmem_with_active_regions(0, end_pfn);
#endif
reserve_bootmem(bootmap, bootmap_size);
}
void __init setup_arch(char **cmdline_p)
{
- struct xen_memory_map memmap;
+ printk(KERN_INFO "Command line: %s\n", saved_command_line);
#ifdef CONFIG_XEN
/* Register a call for panic conditions. */
xen_start_info->console.domU.evtchn = 0;
} else
screen_info.orig_video_isVGA = 0;
+#else
+ ROOT_DEV = old_decode_dev(ORIG_ROOT_DEV);
+ screen_info = SCREEN_INFO;
+#endif /* !CONFIG_XEN */
edid_info = EDID_INFO;
saved_video_mode = SAVED_VIDEO_MODE;
rd_image_start = RAMDISK_FLAGS & RAMDISK_IMAGE_START_MASK;
rd_prompt = ((RAMDISK_FLAGS & RAMDISK_PROMPT_FLAG) != 0);
rd_doload = ((RAMDISK_FLAGS & RAMDISK_LOAD_FLAG) != 0);
-
-
#endif
-
+#ifdef CONFIG_XEN
setup_xen_features();
HYPERVISOR_vm_assist(VMASST_CMD_enable,
VMASST_TYPE_writable_pagetables);
ARCH_SETUP
-#else
- ROOT_DEV = old_decode_dev(ORIG_ROOT_DEV);
- screen_info = SCREEN_INFO;
- edid_info = EDID_INFO;
- saved_video_mode = SAVED_VIDEO_MODE;
- bootloader_type = LOADER_TYPE;
-
-#ifdef CONFIG_BLK_DEV_RAM
- rd_image_start = RAMDISK_FLAGS & RAMDISK_IMAGE_START_MASK;
- rd_prompt = ((RAMDISK_FLAGS & RAMDISK_PROMPT_FLAG) != 0);
- rd_doload = ((RAMDISK_FLAGS & RAMDISK_LOAD_FLAG) != 0);
#endif
-#endif /* !CONFIG_XEN */
+
setup_memory_region();
copy_edd();
data_resource.start = virt_to_phys(&_etext);
data_resource.end = virt_to_phys(&_edata)-1;
- parse_cmdline_early(cmdline_p);
-
early_identify_cpu(&boot_cpu_data);
+ strlcpy(command_line, saved_command_line, COMMAND_LINE_SIZE);
+ *cmdline_p = command_line;
+
+ parse_early_param();
+
+ finish_e820_parsing();
+
+ e820_register_active_regions(0, 0, -1UL);
/*
* partially used pages are not usable - thus
* we are rounding upwards:
*/
end_pfn = e820_end_of_ram();
- num_physpages = end_pfn; /* for pfn_valid */
+ num_physpages = end_pfn;
check_efer();
init_memory_mapping(0, (end_pfn_map << PAGE_SHIFT));
+ zap_low_mappings(0);
+
+ /* How many end-of-memory variables you have, grandma! */
+ max_low_pfn = end_pfn;
+ max_pfn = end_pfn;
+ high_memory = (void *)__va(end_pfn * PAGE_SIZE - 1) + 1;
+
+ /* Remove active ranges so rediscovery with NUMA-awareness happens */
+ remove_all_active_ranges();
+
#ifdef CONFIG_ACPI_NUMA
/*
* Parse SRAT to discover nodes.
if (LOADER_TYPE && INITRD_START) {
if (INITRD_START + INITRD_SIZE <= (end_pfn << PAGE_SHIFT)) {
reserve_bootmem_generic(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 {
#endif
paging_init();
-#ifdef CONFIG_X86_LOCAL_APIC
/*
* Find and reserve possible boot-time SMP configuration:
*/
find_smp_config();
-#endif
#ifdef CONFIG_XEN
{
int i, j, k, fpp;
if (is_initial_xendomain())
dmi_scan_machine();
+#ifdef CONFIG_ACPI
if (!is_initial_xendomain()) {
acpi_disabled = 1;
-#ifdef CONFIG_ACPI
acpi_ht = 0;
-#endif
}
#endif
+#endif
#ifndef CONFIG_XEN
- check_ioapic();
+#ifdef CONFIG_PCI
+ early_quirks();
+#endif
#endif
-
- zap_low_mappings(0);
/*
* set this early, so we dont allocate cpu0
init_cpu_to_node();
-#ifdef CONFIG_X86_LOCAL_APIC
/*
* get boot-time SMP configuration:
*/
#ifndef CONFIG_XEN
init_apic_mappings();
#endif
-#endif
#if defined(CONFIG_XEN) && defined(CONFIG_SMP) && !defined(CONFIG_HOTPLUG_CPU)
prefill_possible_map();
#endif
probe_roms();
#ifdef CONFIG_XEN
if (is_initial_xendomain()) {
+ struct xen_memory_map memmap;
+
memmap.nr_entries = E820MAX;
set_xen_guest_handle(memmap.buffer, machine_e820.map);
#else
e820_reserve_resources(e820.map, e820.nr_map);
#endif
+ e820_mark_nosave_regions();
request_resource(&iomem_resource, &video_ram_resource);
{
unsigned i;
/* request I/O space for devices used on all i[345]86 PCs */
- for (i = 0; i < STANDARD_IO_RESOURCES; i++)
+ for (i = 0; i < ARRAY_SIZE(standard_io_resources); i++)
request_resource(&ioport_resource, &standard_io_resources[i]);
}
#endif
}
-static void __init init_amd(struct cpuinfo_x86 *c)
+static void __cpuinit init_amd(struct cpuinfo_x86 *c)
{
unsigned level;
set_bit(X86_FEATURE_FXSAVE_LEAK, &c->x86_capability);
level = get_model_name(c);
- if (!level) {
+ if (!level) {
switch (c->x86) {
case 15:
/* Should distinguish Models here, but this is only
/* Fix cpuid4 emulation for more */
num_cache_leaves = 3;
+
+ /* RDTSC can be speculated around */
+ clear_bit(X86_FEATURE_SYNC_RDTSC, &c->x86_capability);
}
static void __cpuinit detect_ht(struct cpuinfo_x86 *c)
#ifdef CONFIG_SMP
u32 eax, ebx, ecx, edx;
int index_msb, core_bits;
- int cpu = smp_processor_id();
cpuid(1, &eax, &ebx, &ecx, &edx);
printk(KERN_INFO "CPU: Physical Processor ID: %d\n", c->phys_proc_id);
printk(KERN_INFO "CPU: Processor Core ID: %d\n", c->cpu_core_id);
}
+
#endif
}
node = first_node(node_online_map);
numa_set_node(cpu, node);
- if (acpi_numa > 0)
- printk(KERN_INFO "CPU %d/%x -> Node %d\n", cpu, apicid, node);
+ printk(KERN_INFO "CPU %d/%x -> Node %d\n", cpu, apicid, node);
#endif
}
set_bit(X86_FEATURE_ARCH_PERFMON, &c->x86_capability);
}
+ if (cpu_has_ds) {
+ unsigned int l1, l2;
+ rdmsr(MSR_IA32_MISC_ENABLE, l1, l2);
+ if (!(l1 & (1<<11)))
+ set_bit(X86_FEATURE_BTS, c->x86_capability);
+ if (!(l1 & (1<<12)))
+ set_bit(X86_FEATURE_PEBS, c->x86_capability);
+ }
+
n = c->extended_cpuid_level;
if (n >= 0x80000008) {
unsigned eax = cpuid_eax(0x80000008);
if ((c->x86 == 0xf && c->x86_model >= 0x03) ||
(c->x86 == 0x6 && c->x86_model >= 0x0e))
set_bit(X86_FEATURE_CONSTANT_TSC, &c->x86_capability);
- set_bit(X86_FEATURE_SYNC_RDTSC, &c->x86_capability);
+ if (c->x86 == 6)
+ set_bit(X86_FEATURE_REP_GOOD, &c->x86_capability);
+ if (c->x86 == 15)
+ set_bit(X86_FEATURE_SYNC_RDTSC, &c->x86_capability);
+ else
+ clear_bit(X86_FEATURE_SYNC_RDTSC, &c->x86_capability);
c->x86_max_cores = intel_num_cpu_cores(c);
srat_detect_node();
/* Other (Linux-defined) */
"cxmmx", NULL, "cyrix_arr", "centaur_mcr", NULL,
"constant_tsc", NULL, NULL,
- NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
"up", NULL, NULL, NULL, NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
/* Intel-defined (#2) */
"pni", NULL, NULL, "monitor", "ds_cpl", "vmx", "smx", "est",
- "tm2", NULL, "cid", NULL, NULL, "cx16", "xtpr", NULL,
- NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ "tm2", "ssse3", "cid", NULL, NULL, "cx16", "xtpr", NULL,
+ NULL, NULL, "dca", NULL, NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
/* VIA/Cyrix/Centaur-defined */