#include <linux/kernel.h>
#include <asm/acpi.h>
#include <asm/apicdef.h>
#include <asm/page.h>
#include <asm/vsyscall.h>
Go to the source code of this file.
|
| #define | FIXADDR_TOP (VSYSCALL_END-PAGE_SIZE) |
| |
| #define | FIXADDR_USER_START ((unsigned long)VSYSCALL32_VSYSCALL) |
| |
| #define | FIXADDR_USER_END (FIXADDR_USER_START + PAGE_SIZE) |
| |
| #define | NR_FIX_BTMAPS 64 |
| |
| #define | FIX_BTMAPS_SLOTS 4 |
| |
| #define | TOTAL_FIX_BTMAPS (NR_FIX_BTMAPS * FIX_BTMAPS_SLOTS) |
| |
| #define | FIXADDR_SIZE (__end_of_permanent_fixed_addresses << PAGE_SHIFT) |
| |
| #define | FIXADDR_BOOT_SIZE (__end_of_fixed_addresses << PAGE_SHIFT) |
| |
| #define | FIXADDR_START (FIXADDR_TOP - FIXADDR_SIZE) |
| |
| #define | FIXADDR_BOOT_START (FIXADDR_TOP - FIXADDR_BOOT_SIZE) |
| |
| #define | set_fixmap(idx, phys) __set_fixmap(idx, phys, PAGE_KERNEL) |
| |
| #define | set_fixmap_nocache(idx, phys) __set_fixmap(idx, phys, PAGE_KERNEL_NOCACHE) |
| |
| #define | clear_fixmap(idx) __set_fixmap(idx, 0, __pgprot(0)) |
| |
| #define | __fix_to_virt(x) (FIXADDR_TOP - ((x) << PAGE_SHIFT)) |
| |
| #define | __virt_to_fix(x) ((FIXADDR_TOP - ((x)&PAGE_MASK)) >> PAGE_SHIFT) |
| |
| #define | set_fixmap_offset(idx, phys) __set_fixmap_offset(idx, phys, PAGE_KERNEL) |
| |
| #define | set_fixmap_offset_nocache(idx, phys) __set_fixmap_offset(idx, phys, PAGE_KERNEL_NOCACHE) |
| |
|
| enum | fixed_addresses {
FIX_KMAP_BEGIN,
FIX_KMAP_END,
__end_of_fixed_addresses,
FIX_HOLE,
__end_of_fixed_addresses,
FIX_CMAP_BEGIN,
FIX_CMAP_END = FIX_CMAP_BEGIN + (FIX_N_COLOURS * 2),
__end_of_fixed_addresses,
FIX_IOREMAP_BEGIN,
FIX_IOREMAP_END = FIX_IOREMAP_BEGIN + FIX_N_IOREMAPS - 1,
__end_of_fixed_addresses,
FIX_HOLE,
FIX_EARLY_DEBUG_TOP = FIX_HOLE,
FIX_EARLY_DEBUG_BASE = FIX_EARLY_DEBUG_TOP+((128*1024)/PAGE_SIZE)-1,
__end_of_fixed_addresses,
FIX_CMAP_BEGIN,
FIX_CMAP_END = FIX_CMAP_BEGIN + FIX_N_COLOURS,
__end_of_fixed_addresses,
FIX_CMAP_BEGIN,
FIX_CMAP_END = FIX_CMAP_BEGIN + (FIX_N_COLOURS * NR_CPUS) - 1,
__end_of_fixed_addresses,
FIX_HOLE,
__end_of_fixed_addresses,
__end_of_permanent_fixed_addresses,
__end_of_fixed_addresses = __end_of_permanent_fixed_addresses,
__end_of_fixed_addresses,
VSYSCALL_LAST_PAGE,
VSYSCALL_FIRST_PAGE,
VVAR_PAGE,
VSYSCALL_HPET,
FIX_DBGP_BASE,
FIX_EARLYCON_MEM_BASE,
FIX_TEXT_POKE1,
FIX_TEXT_POKE0,
__end_of_permanent_fixed_addresses,
FIX_BTMAP_END,
FIX_BTMAP_BEGIN = FIX_BTMAP_END + TOTAL_FIX_BTMAPS - 1,
__end_of_fixed_addresses
} |
| |
| #define FIX_BTMAPS_SLOTS 4 |
| #define FIXADDR_USER_START ((unsigned long)VSYSCALL32_VSYSCALL) |
- Enumerator:
| FIX_KMAP_BEGIN |
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| FIX_KMAP_END |
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| __end_of_fixed_addresses |
|
| FIX_HOLE |
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| __end_of_fixed_addresses |
|
| FIX_CMAP_BEGIN |
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| FIX_CMAP_END |
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| __end_of_fixed_addresses |
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| FIX_IOREMAP_BEGIN |
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| FIX_IOREMAP_END |
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| __end_of_fixed_addresses |
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| FIX_HOLE |
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| FIX_EARLY_DEBUG_TOP |
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| FIX_EARLY_DEBUG_BASE |
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| __end_of_fixed_addresses |
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| FIX_CMAP_BEGIN |
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| FIX_CMAP_END |
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| __end_of_fixed_addresses |
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| FIX_CMAP_BEGIN |
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| FIX_CMAP_END |
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| __end_of_fixed_addresses |
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| FIX_HOLE |
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| __end_of_fixed_addresses |
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| __end_of_permanent_fixed_addresses |
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| __end_of_fixed_addresses |
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| __end_of_fixed_addresses |
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| VSYSCALL_LAST_PAGE |
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| VSYSCALL_FIRST_PAGE |
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| VVAR_PAGE |
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| VSYSCALL_HPET |
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| FIX_DBGP_BASE |
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| FIX_EARLYCON_MEM_BASE |
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| FIX_TEXT_POKE1 |
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| FIX_TEXT_POKE0 |
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| __end_of_permanent_fixed_addresses |
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| FIX_BTMAP_END |
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| FIX_BTMAP_BEGIN |
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| __end_of_fixed_addresses |
|
Definition at line 73 of file fixmap.h.
| void __this_fixmap_does_not_exist |
( |
void |
| ) |
|
| void reserve_top_address |
( |
unsigned long |
reserve | ) |
|
reserve_top_address - reserves a hole in the top of kernel address space - size of hole to reserve
Can be used to relocate the fixmap area and poke a hole in the top of kernel address space to make room for a hypervisor.
Definition at line 419 of file pgtable.c.
1.8.2