diff options
Diffstat (limited to 'arch/x86/include/asm/fixmap_32.h')
| -rw-r--r-- | arch/x86/include/asm/fixmap_32.h | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/arch/x86/include/asm/fixmap_32.h b/arch/x86/include/asm/fixmap_32.h deleted file mode 100644 index c7115c1d721..00000000000 --- a/arch/x86/include/asm/fixmap_32.h +++ /dev/null | |||
| @@ -1,119 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * fixmap.h: compile-time virtual memory allocation | ||
| 3 | * | ||
| 4 | * This file is subject to the terms and conditions of the GNU General Public | ||
| 5 | * License. See the file "COPYING" in the main directory of this archive | ||
| 6 | * for more details. | ||
| 7 | * | ||
| 8 | * Copyright (C) 1998 Ingo Molnar | ||
| 9 | * | ||
| 10 | * Support of BIGMEM added by Gerhard Wichert, Siemens AG, July 1999 | ||
| 11 | */ | ||
| 12 | |||
| 13 | #ifndef _ASM_X86_FIXMAP_32_H | ||
| 14 | #define _ASM_X86_FIXMAP_32_H | ||
| 15 | |||
| 16 | |||
| 17 | /* used by vmalloc.c, vsyscall.lds.S. | ||
| 18 | * | ||
| 19 | * Leave one empty page between vmalloc'ed areas and | ||
| 20 | * the start of the fixmap. | ||
| 21 | */ | ||
| 22 | extern unsigned long __FIXADDR_TOP; | ||
| 23 | #define FIXADDR_USER_START __fix_to_virt(FIX_VDSO) | ||
| 24 | #define FIXADDR_USER_END __fix_to_virt(FIX_VDSO - 1) | ||
| 25 | |||
| 26 | #ifndef __ASSEMBLY__ | ||
| 27 | #include <linux/kernel.h> | ||
| 28 | #include <asm/acpi.h> | ||
| 29 | #include <asm/apicdef.h> | ||
| 30 | #include <asm/page.h> | ||
| 31 | #include <linux/threads.h> | ||
| 32 | #include <asm/kmap_types.h> | ||
| 33 | |||
| 34 | /* | ||
| 35 | * Here we define all the compile-time 'special' virtual | ||
| 36 | * addresses. The point is to have a constant address at | ||
| 37 | * compile time, but to set the physical address only | ||
| 38 | * in the boot process. We allocate these special addresses | ||
| 39 | * from the end of virtual memory (0xfffff000) backwards. | ||
| 40 | * Also this lets us do fail-safe vmalloc(), we | ||
| 41 | * can guarantee that these special addresses and | ||
| 42 | * vmalloc()-ed addresses never overlap. | ||
| 43 | * | ||
| 44 | * these 'compile-time allocated' memory buffers are | ||
| 45 | * fixed-size 4k pages. (or larger if used with an increment | ||
| 46 | * highger than 1) use fixmap_set(idx,phys) to associate | ||
| 47 | * physical memory with fixmap indices. | ||
| 48 | * | ||
| 49 | * TLB entries of such buffers will not be flushed across | ||
| 50 | * task switches. | ||
| 51 | */ | ||
| 52 | enum fixed_addresses { | ||
| 53 | FIX_HOLE, | ||
| 54 | FIX_VDSO, | ||
| 55 | FIX_DBGP_BASE, | ||
| 56 | FIX_EARLYCON_MEM_BASE, | ||
| 57 | #ifdef CONFIG_X86_LOCAL_APIC | ||
| 58 | FIX_APIC_BASE, /* local (CPU) APIC) -- required for SMP or not */ | ||
| 59 | #endif | ||
| 60 | #ifdef CONFIG_X86_IO_APIC | ||
| 61 | FIX_IO_APIC_BASE_0, | ||
| 62 | FIX_IO_APIC_BASE_END = FIX_IO_APIC_BASE_0 + MAX_IO_APICS-1, | ||
| 63 | #endif | ||
| 64 | #ifdef CONFIG_X86_VISWS_APIC | ||
| 65 | FIX_CO_CPU, /* Cobalt timer */ | ||
| 66 | FIX_CO_APIC, /* Cobalt APIC Redirection Table */ | ||
| 67 | FIX_LI_PCIA, /* Lithium PCI Bridge A */ | ||
| 68 | FIX_LI_PCIB, /* Lithium PCI Bridge B */ | ||
| 69 | #endif | ||
| 70 | #ifdef CONFIG_X86_F00F_BUG | ||
| 71 | FIX_F00F_IDT, /* Virtual mapping for IDT */ | ||
| 72 | #endif | ||
| 73 | #ifdef CONFIG_X86_CYCLONE_TIMER | ||
| 74 | FIX_CYCLONE_TIMER, /*cyclone timer register*/ | ||
| 75 | #endif | ||
| 76 | FIX_KMAP_BEGIN, /* reserved pte's for temporary kernel mappings */ | ||
| 77 | FIX_KMAP_END = FIX_KMAP_BEGIN+(KM_TYPE_NR*NR_CPUS)-1, | ||
| 78 | #ifdef CONFIG_PCI_MMCONFIG | ||
| 79 | FIX_PCIE_MCFG, | ||
| 80 | #endif | ||
| 81 | #ifdef CONFIG_PARAVIRT | ||
| 82 | FIX_PARAVIRT_BOOTMAP, | ||
| 83 | #endif | ||
| 84 | __end_of_permanent_fixed_addresses, | ||
| 85 | /* | ||
| 86 | * 256 temporary boot-time mappings, used by early_ioremap(), | ||
| 87 | * before ioremap() is functional. | ||
| 88 | * | ||
| 89 | * We round it up to the next 256 pages boundary so that we | ||
| 90 | * can have a single pgd entry and a single pte table: | ||
| 91 | */ | ||
| 92 | #define NR_FIX_BTMAPS 64 | ||
| 93 | #define FIX_BTMAPS_SLOTS 4 | ||
| 94 | FIX_BTMAP_END = __end_of_permanent_fixed_addresses + 256 - | ||
| 95 | (__end_of_permanent_fixed_addresses & 255), | ||
| 96 | FIX_BTMAP_BEGIN = FIX_BTMAP_END + NR_FIX_BTMAPS*FIX_BTMAPS_SLOTS - 1, | ||
| 97 | FIX_WP_TEST, | ||
| 98 | #ifdef CONFIG_ACPI | ||
| 99 | FIX_ACPI_BEGIN, | ||
| 100 | FIX_ACPI_END = FIX_ACPI_BEGIN + FIX_ACPI_PAGES - 1, | ||
| 101 | #endif | ||
| 102 | #ifdef CONFIG_PROVIDE_OHCI1394_DMA_INIT | ||
| 103 | FIX_OHCI1394_BASE, | ||
| 104 | #endif | ||
| 105 | __end_of_fixed_addresses | ||
| 106 | }; | ||
| 107 | |||
| 108 | extern void reserve_top_address(unsigned long reserve); | ||
| 109 | |||
| 110 | |||
| 111 | #define FIXADDR_TOP ((unsigned long)__FIXADDR_TOP) | ||
| 112 | |||
| 113 | #define __FIXADDR_SIZE (__end_of_permanent_fixed_addresses << PAGE_SHIFT) | ||
| 114 | #define __FIXADDR_BOOT_SIZE (__end_of_fixed_addresses << PAGE_SHIFT) | ||
| 115 | #define FIXADDR_START (FIXADDR_TOP - __FIXADDR_SIZE) | ||
| 116 | #define FIXADDR_BOOT_START (FIXADDR_TOP - __FIXADDR_BOOT_SIZE) | ||
| 117 | |||
| 118 | #endif /* !__ASSEMBLY__ */ | ||
| 119 | #endif /* _ASM_X86_FIXMAP_32_H */ | ||
