ia32
[Memory management]


Files
file	as.h
file	frame.h
file	memory_init.h
file	memory_init.h
file	page.h
file	tlb.h
file	as.c
file	as.c
file	frame.c
file	frame.c
file	memory_init.c
file	page.c
file	tlb.c
file	tlb.c
Defines
#define	KERNEL_ADDRESS_SPACE_SHADOWED_ARCH 0
#define	KERNEL_ADDRESS_SPACE_START_ARCH ((unsigned long) 0x80000000)
#define	KERNEL_ADDRESS_SPACE_END_ARCH ((unsigned long) 0xffffffff)
#define	USER_ADDRESS_SPACE_START_ARCH ((unsigned long) 0x00000000)
#define	USER_ADDRESS_SPACE_END_ARCH ((unsigned long) 0x7fffffff)
#define	USTACK_ADDRESS_ARCH (USER_ADDRESS_SPACE_END_ARCH-(PAGE_SIZE-1))
#define	as_install_arch(as)
#define	FRAME_WIDTH 12
#define	FRAME_SIZE (1<<FRAME_WIDTH)
#define	PAGE_WIDTH FRAME_WIDTH
#define	PAGE_SIZE FRAME_SIZE
#define	tlb_arch_init()
#define	tlb_print()
Functions
void	as_arch_init (void)
size_t	get_memory_size (void)
void	memory_print_map (void)
static void	init_e820_memory (pfn_t minconf)
static int	cmd_e820mem (cmd_arg_t *argv)
void	frame_arch_init (void)
void	page_arch_init (void)
__address	hw_map (__address physaddr, size_t size)
void	page_fault (int n, istate_t *istate)
void	tlb_invalidate_all (void)
void	tlb_invalidate_asid (asid_t asid)
void	tlb_invalidate_pages (asid_t asid, __address page, count_t cnt)
Variables
size_t	hardcoded_unmapped_ktext_size = 0
size_t	hardcoded_unmapped_kdata_size = 0
__address	last_frame = 0
static cmd_info_t	e820_info
static char *	e820names []
__u8	e820counter = 0xff
e820memmap_	e820table [MEMMAP_E820_MAX_RECORDS]
__u32	e801memorysize

Define Documentation

#define as_install_arch ( as )

Definition at line 47 of file as.h.
Referenced by as_switch().

#define FRAME_SIZE (1<<FRAME_WIDTH)

Definition at line 39 of file frame.h.
Referenced by anon_page_fault(), elf_frame_free(), elf_page_fault(), hw_map(), init_e820_memory(), page_arch_init(), phys_page_fault(), and sys_physmem_map().

#define FRAME_WIDTH 12

Definition at line 38 of file frame.h.
Referenced by ADDR2PFN(), frame_arch_init(), PFN2ADDR(), and SIZE2FRAMES().

#define KERNEL_ADDRESS_SPACE_END_ARCH ((unsigned long) 0xffffffff)

Definition at line 41 of file as.h.
Referenced by hw_map().

#define KERNEL_ADDRESS_SPACE_SHADOWED_ARCH 0

Definition at line 38 of file as.h.

#define KERNEL_ADDRESS_SPACE_START_ARCH ((unsigned long) 0x80000000)

Definition at line 40 of file as.h.

#define PAGE_SIZE FRAME_SIZE

Definition at line 41 of file page.h.
Referenced by anon_page_fault(), anon_share(), as_area_create(), as_area_destroy(), as_area_resize(), as_area_share(), as_get_size(), badness(), check_area_conflicts(), comp_objects(), ddi_physmem_map(), elf_frame_free(), elf_page_fault(), elf_share(), find_area_and_lock(), hw_map(), klog_init(), load_segment(), main_bsp(), map_structure(), phys_page_fault(), pt_mapping_insert(), ptl0_create(), slab_space_alloc(), sys_futex_sleep_timeout(), sys_futex_wakeup(), sys_io(), sys_physmem_map(), task_run_program(), tlb_invalidate_pages(), used_space_insert(), and used_space_remove().

#define PAGE_WIDTH FRAME_WIDTH

Definition at line 40 of file page.h.
Referenced by as_area_resize(), elf_frame_free(), and elf_page_fault().

#define tlb_arch_init ( void )

Definition at line 38 of file tlb.h.
Referenced by tlb_init().

#define tlb_print ( void )

Definition at line 39 of file tlb.h.
Referenced by cmd_tlb().

#define USER_ADDRESS_SPACE_END_ARCH ((unsigned long) 0x7fffffff)

Definition at line 43 of file as.h.

#define USER_ADDRESS_SPACE_START_ARCH ((unsigned long) 0x00000000)

Definition at line 42 of file as.h.

#define USTACK_ADDRESS_ARCH (USER_ADDRESS_SPACE_END_ARCH-(PAGE_SIZE-1))

Definition at line 45 of file as.h.

Function Documentation

void as_arch_init ( void )

Architecture dependent address space init.
Definition at line 40 of file as.c.
References as_operations, and as_pt_operations.
Referenced by as_init().

static int cmd_e820mem ( cmd_arg_t * argv ) [static]

Definition at line 91 of file frame.c.
References e820counter, e820names, e820table, MEMMAP_MEMORY_UNUSABLE, name, and printf().
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void frame_arch_init ( void )

Definition at line 111 of file frame.c.
References ADDR2PFN(), AP_BOOT_OFFSET, cmd_initialize(), cmd_register(), config, config_t::cpu_active, e820_info, frame_mark_unavailable(), FRAME_WIDTH, hardcoded_unmapped_kdata_size, hardcoded_unmapped_ktext_size, init_e820_memory(), and max.
Referenced by frame_init().
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size_t get_memory_size ( void )

Definition at line 44 of file memory_init.c.
References e801memorysize.
Referenced by main_bsp().

__address hw_map ( __address physaddr,

size_t size

)

Definition at line 81 of file page.c.
References ADDR2PFN(), ALIGN_UP, AS_KERNEL, FRAME_SIZE, KERNEL_ADDRESS_SPACE_END_ARCH, last_frame, page_mapping_insert(), PAGE_NOT_CACHEABLE, PAGE_SIZE, panic, and PFN2ADDR().
Referenced by ega_init(), and fb_init().
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static void init_e820_memory ( pfn_t minconf ) [static]

Definition at line 56 of file frame.c.
References ADDR2PFN(), ALIGN_DOWN, ALIGN_UP, e820counter, e820table, FRAME_SIZE, last_frame, MEMMAP_MEMORY_AVAILABLE, SIZE2FRAMES(), and zone_create().
Referenced by frame_arch_init().
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void memory_print_map ( void )

Definition at line 49 of file memory_init.c.
References e820memmap_::base_address, e820counter, e820table, MEMMAP_MEMORY_ACPI, MEMMAP_MEMORY_AVAILABLE, MEMMAP_MEMORY_NVS, MEMMAP_MEMORY_RESERVED, MEMMAP_MEMORY_UNUSABLE, printf(), e820memmap_::size, and e820memmap_::type.
Referenced by arch_pre_smp_init().
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void page_arch_init ( void )

Definition at line 52 of file page.c.
References AS_KERNEL, config_t::base, config, config_t::cpu_active, exc_register(), FRAME_SIZE, config_t::kernel_size, last_frame, PAGE_CACHEABLE, page_fault(), PAGE_GLOBAL, page_mapping_insert(), and pt_mapping_operations.
Referenced by page_init().
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void page_fault ( int n,

istate_t * istate

)

Definition at line 96 of file page.c.
References as_page_fault(), istate::error_word, fault_if_from_uspace, panic, PF_ACCESS_READ, PF_ACCESS_WRITE, PRINT_INFO_ERRCODE(), and printf().
Referenced by as_page_fault(), and page_arch_init().
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void tlb_invalidate_all ( void )

Invalidate all entries in TLB.
Definition at line 42 of file tlb.c.
Referenced by tlb_invalidate_asid(), and tlb_shootdown_ipi_recv().

void tlb_invalidate_asid ( asid_t asid )

Invalidate all entries in TLB that belong to specified address space.

Parameters:

asid This parameter is ignored as the architecture doesn't support it.

Definition at line 51 of file tlb.c.
References tlb_invalidate_all().
Referenced by tlb_shootdown_ipi_recv().
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void tlb_invalidate_pages ( asid_t asid,

__address page,

count_t cnt

)

Invalidate TLB entries for specified page range belonging to specified address space.

Parameters:

asid This parameter is ignored as the architecture doesn't support it.

page Address of the first page whose entry is to be invalidated.

cnt Number of entries to invalidate.

Definition at line 62 of file tlb.c.
References invlpg(), and PAGE_SIZE.
Referenced by tlb_shootdown_ipi_recv().
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Variable Documentation

__u32 e801memorysize

Size of available memory in KB.
Definition at line 42 of file memory_init.c.
Referenced by get_memory_size().

cmd_info_t e820_info [static]

Initial value:
{ .name = "e820list", .description = "List e820 memory.", .func = cmd_e820mem, .argc = 0 }

Definition at line 80 of file frame.c.
Referenced by frame_arch_init().

__u8 e820counter = 0xff

Definition at line 40 of file memory_init.c.
Referenced by cmd_e820mem(), init_e820_memory(), and memory_print_map().

char* e820names[] [static]

Initial value:
{ "invalid", "available", "reserved", "acpi", "nvs", "unusable" }

Definition at line 87 of file frame.c.
Referenced by cmd_e820mem().

struct e820memmap_ e820table[MEMMAP_E820_MAX_RECORDS]

Definition at line 41 of file memory_init.c.
Referenced by cmd_e820mem(), init_e820_memory(), and memory_print_map().

size_t hardcoded_unmapped_kdata_size = 0

Definition at line 52 of file frame.c.
Referenced by frame_arch_init().

size_t hardcoded_unmapped_ktext_size = 0

Definition at line 51 of file frame.c.
Referenced by frame_arch_init().

__address last_frame = 0

Definition at line 54 of file frame.c.
Referenced by hw_map(), init_e820_memory(), and page_arch_init().

Generated on Sun Jun 18 16:47:17 2006 for HelenOS Kernel (ia32) by

1.4.6

ia32 [Memory management]

Files

Defines

Functions

Variables

Define Documentation

Function Documentation

Variable Documentation

ia32
[Memory management]