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-rw-r--r--arch/x86/kernel/setup.c130
1 files changed, 57 insertions, 73 deletions
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 4bf0c8926a1c..603a1669a2ec 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -70,12 +70,13 @@
#include <linux/tboot.h>
#include <linux/jiffies.h>
+#include <linux/usb/xhci-dbgp.h>
#include <video/edid.h>
#include <asm/mtrr.h>
#include <asm/apic.h>
#include <asm/realmode.h>
-#include <asm/e820.h>
+#include <asm/e820/api.h>
#include <asm/mpspec.h>
#include <asm/setup.h>
#include <asm/efi.h>
@@ -119,7 +120,7 @@
* max_low_pfn_mapped: highest direct mapped pfn under 4GB
* max_pfn_mapped: highest direct mapped pfn over 4GB
*
- * The direct mapping only covers E820_RAM regions, so the ranges and gaps are
+ * The direct mapping only covers E820_TYPE_RAM regions, so the ranges and gaps are
* represented by pfn_mapped
*/
unsigned long max_low_pfn_mapped;
@@ -173,14 +174,11 @@ static struct resource bss_resource = {
#ifdef CONFIG_X86_32
-/* cpu data as detected by the assembly code in head.S */
-struct cpuinfo_x86 new_cpu_data = {
- .wp_works_ok = -1,
-};
+/* cpu data as detected by the assembly code in head_32.S */
+struct cpuinfo_x86 new_cpu_data;
+
/* common cpu data for all cpus */
-struct cpuinfo_x86 boot_cpu_data __read_mostly = {
- .wp_works_ok = -1,
-};
+struct cpuinfo_x86 boot_cpu_data __read_mostly;
EXPORT_SYMBOL(boot_cpu_data);
unsigned int def_to_bigsmp;
@@ -426,7 +424,7 @@ static void __init parse_setup_data(void)
switch (data_type) {
case SETUP_E820_EXT:
- parse_e820_ext(pa_data, data_len);
+ e820__memory_setup_extended(pa_data, data_len);
break;
case SETUP_DTB:
add_dtb(pa_data);
@@ -441,29 +439,6 @@ static void __init parse_setup_data(void)
}
}
-static void __init e820_reserve_setup_data(void)
-{
- struct setup_data *data;
- u64 pa_data;
-
- pa_data = boot_params.hdr.setup_data;
- if (!pa_data)
- return;
-
- while (pa_data) {
- data = early_memremap(pa_data, sizeof(*data));
- e820_update_range(pa_data, sizeof(*data)+data->len,
- E820_RAM, E820_RESERVED_KERN);
- pa_data = data->next;
- early_memunmap(data, sizeof(*data));
- }
-
- sanitize_e820_map(e820->map, ARRAY_SIZE(e820->map), &e820->nr_map);
- memcpy(e820_saved, e820, sizeof(struct e820map));
- printk(KERN_INFO "extended physical RAM map:\n");
- e820_print_map("reserve setup_data");
-}
-
static void __init memblock_x86_reserve_range_setup_data(void)
{
struct setup_data *data;
@@ -756,16 +731,16 @@ static void __init trim_bios_range(void)
* since some BIOSes are known to corrupt low memory. See the
* Kconfig help text for X86_RESERVE_LOW.
*/
- e820_update_range(0, PAGE_SIZE, E820_RAM, E820_RESERVED);
+ e820__range_update(0, PAGE_SIZE, E820_TYPE_RAM, E820_TYPE_RESERVED);
/*
* special case: Some BIOSen report the PC BIOS
* area (640->1Mb) as ram even though it is not.
* take them out.
*/
- e820_remove_range(BIOS_BEGIN, BIOS_END - BIOS_BEGIN, E820_RAM, 1);
+ e820__range_remove(BIOS_BEGIN, BIOS_END - BIOS_BEGIN, E820_TYPE_RAM, 1);
- sanitize_e820_map(e820->map, ARRAY_SIZE(e820->map), &e820->nr_map);
+ e820__update_table(e820_table);
}
/* called before trim_bios_range() to spare extra sanitize */
@@ -775,18 +750,18 @@ static void __init e820_add_kernel_range(void)
u64 size = __pa_symbol(_end) - start;
/*
- * Complain if .text .data and .bss are not marked as E820_RAM and
+ * Complain if .text .data and .bss are not marked as E820_TYPE_RAM and
* attempt to fix it by adding the range. We may have a confused BIOS,
* or the user may have used memmap=exactmap or memmap=xxM$yyM to
* exclude kernel range. If we really are running on top non-RAM,
* we will crash later anyways.
*/
- if (e820_all_mapped(start, start + size, E820_RAM))
+ if (e820__mapped_all(start, start + size, E820_TYPE_RAM))
return;
- pr_warn(".text .data .bss are not marked as E820_RAM!\n");
- e820_remove_range(start, size, E820_RAM, 0);
- e820_add_region(start, size, E820_RAM);
+ pr_warn(".text .data .bss are not marked as E820_TYPE_RAM!\n");
+ e820__range_remove(start, size, E820_TYPE_RAM, 0);
+ e820__range_add(start, size, E820_TYPE_RAM);
}
static unsigned reserve_low = CONFIG_X86_RESERVE_LOW << 10;
@@ -837,6 +812,26 @@ dump_kernel_offset(struct notifier_block *self, unsigned long v, void *p)
return 0;
}
+static void __init simple_udelay_calibration(void)
+{
+ unsigned int tsc_khz, cpu_khz;
+ unsigned long lpj;
+
+ if (!boot_cpu_has(X86_FEATURE_TSC))
+ return;
+
+ cpu_khz = x86_platform.calibrate_cpu();
+ tsc_khz = x86_platform.calibrate_tsc();
+
+ tsc_khz = tsc_khz ? : cpu_khz;
+ if (!tsc_khz)
+ return;
+
+ lpj = tsc_khz * 1000;
+ do_div(lpj, HZ);
+ loops_per_jiffy = lpj;
+}
+
/*
* 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
@@ -939,7 +934,7 @@ void __init setup_arch(char **cmdline_p)
x86_init.oem.arch_setup();
iomem_resource.end = (1ULL << boot_cpu_data.x86_phys_bits) - 1;
- setup_memory_map();
+ e820__memory_setup();
parse_setup_data();
copy_edd();
@@ -985,6 +980,8 @@ void __init setup_arch(char **cmdline_p)
*/
x86_configure_nx();
+ simple_udelay_calibration();
+
parse_early_param();
#ifdef CONFIG_MEMORY_HOTPLUG
@@ -1028,9 +1025,8 @@ void __init setup_arch(char **cmdline_p)
early_dump_pci_devices();
#endif
- /* update the e820_saved too */
- e820_reserve_setup_data();
- finish_e820_parsing();
+ e820__reserve_setup_data();
+ e820__finish_early_params();
if (efi_enabled(EFI_BOOT))
efi_init();
@@ -1056,11 +1052,11 @@ void __init setup_arch(char **cmdline_p)
trim_bios_range();
#ifdef CONFIG_X86_32
if (ppro_with_ram_bug()) {
- e820_update_range(0x70000000ULL, 0x40000ULL, E820_RAM,
- E820_RESERVED);
- sanitize_e820_map(e820->map, ARRAY_SIZE(e820->map), &e820->nr_map);
+ e820__range_update(0x70000000ULL, 0x40000ULL, E820_TYPE_RAM,
+ E820_TYPE_RESERVED);
+ e820__update_table(e820_table);
printk(KERN_INFO "fixed physical RAM map:\n");
- e820_print_map("bad_ppro");
+ e820__print_table("bad_ppro");
}
#else
early_gart_iommu_check();
@@ -1070,12 +1066,12 @@ void __init setup_arch(char **cmdline_p)
* partially used pages are not usable - thus
* we are rounding upwards:
*/
- max_pfn = e820_end_of_ram_pfn();
+ max_pfn = e820__end_of_ram_pfn();
/* update e820 for memory not covered by WB MTRRs */
mtrr_bp_init();
if (mtrr_trim_uncached_memory(max_pfn))
- max_pfn = e820_end_of_ram_pfn();
+ max_pfn = e820__end_of_ram_pfn();
max_possible_pfn = max_pfn;
@@ -1094,7 +1090,7 @@ void __init setup_arch(char **cmdline_p)
/* How many end-of-memory variables you have, grandma! */
/* need this before calling reserve_initrd */
if (max_pfn > (1UL<<(32 - PAGE_SHIFT)))
- max_low_pfn = e820_end_of_low_ram_pfn();
+ max_low_pfn = e820__end_of_low_ram_pfn();
else
max_low_pfn = max_pfn;
@@ -1111,7 +1107,7 @@ void __init setup_arch(char **cmdline_p)
early_alloc_pgt_buf();
/*
- * Need to conclude brk, before memblock_x86_fill()
+ * Need to conclude brk, before e820__memblock_setup()
* it could use memblock_find_in_range, could overlap with
* brk area.
*/
@@ -1120,7 +1116,10 @@ void __init setup_arch(char **cmdline_p)
cleanup_highmap();
memblock_set_current_limit(ISA_END_ADDRESS);
- memblock_x86_fill();
+ e820__memblock_setup();
+
+ if (!early_xdbc_setup_hardware())
+ early_xdbc_register_console();
reserve_bios_regions();
@@ -1137,7 +1136,7 @@ void __init setup_arch(char **cmdline_p)
}
/* preallocate 4k for mptable mpc */
- early_reserve_e820_mpc_new();
+ e820__memblock_alloc_reserved_mpc_new();
#ifdef CONFIG_X86_CHECK_BIOS_CORRUPTION
setup_bios_corruption_check();
@@ -1226,21 +1225,6 @@ void __init setup_arch(char **cmdline_p)
kasan_init();
-#ifdef CONFIG_X86_32
- /* sync back kernel address range */
- clone_pgd_range(initial_page_table + KERNEL_PGD_BOUNDARY,
- swapper_pg_dir + KERNEL_PGD_BOUNDARY,
- KERNEL_PGD_PTRS);
-
- /*
- * sync back low identity map too. It is used for example
- * in the 32-bit EFI stub.
- */
- clone_pgd_range(initial_page_table,
- swapper_pg_dir + KERNEL_PGD_BOUNDARY,
- min(KERNEL_PGD_PTRS, KERNEL_PGD_BOUNDARY));
-#endif
-
tboot_probe();
map_vsyscall();
@@ -1275,12 +1259,12 @@ void __init setup_arch(char **cmdline_p)
kvm_guest_init();
- e820_reserve_resources();
- e820_mark_nosave_regions(max_low_pfn);
+ e820__reserve_resources();
+ e820__register_nosave_regions(max_low_pfn);
x86_init.resources.reserve_resources();
- e820_setup_gap();
+ e820__setup_pci_gap();
#ifdef CONFIG_VT
#if defined(CONFIG_VGA_CONSOLE)
generated by cgit v1.2.3 (git 2.39.1) at 2025-02-05 14:37:13 +0100