ppc32
[Memory management]


Files
file	as.h
file	asid.h
file	frame.h
file	memory_init.h
file	page.h
file	tlb.h
file	as.c
file	frame.c
file	memory_init.c
file	page.c
file	tlb.c
Data Structures
struct	phte_t
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 (0x7fffffff-(PAGE_SIZE-1))
#define	ASID_MAX_ARCH 4096
#define	FRAME_WIDTH 12
#define	FRAME_SIZE (1 << FRAME_WIDTH)
#define	PAGE_WIDTH FRAME_WIDTH
#define	PAGE_SIZE FRAME_SIZE
#define	PRINT_BAT(name, ureg, lreg)
Typedefs
typedef __u32	asid_t
Functions
void	as_arch_init (void)
size_t	get_memory_size (void)
void	memory_print_map (void)
void	pht_refill (int n, istate_t *istate)
bool	pht_real_refill (int n, istate_t *istate) __attribute__((section("K_UNMAPPED_TEXT_START")))
void	pht_init (void)
void	as_install_arch (as_t *as)
void	frame_arch_init (void)
void	page_arch_init (void)
__address	hw_map (__address physaddr, size_t size)
static pte_t *	find_mapping_and_check (as_t as, bool lock, __address badvaddr, int access, istate_t istate, int *pfrc)
static void	pht_refill_fail (__address badvaddr, istate_t *istate)
static void	pht_insert (const __address vaddr, const pfn_t pfn)
static void	pht_real_insert (const __address vaddr, const pfn_t pfn)
void	tlb_arch_init (void)
void	tlb_invalidate_all (void)
void	tlb_invalidate_asid (asid_t asid)
void	tlb_invalidate_pages (asid_t asid, __address page, count_t cnt)
void	tlb_print (void)
Variables
__address	last_frame = 0

Define Documentation

#define ASID_MAX_ARCH 4096

Definition at line 40 of file asid.h.

#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(), frame_arch_init(), hw_map(), phys_page_fault(), and sys_physmem_map().

#define FRAME_WIDTH 12

Definition at line 38 of file frame.h.
Referenced by ADDR2PFN(), 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(), pic_init(), pt_mapping_insert(), ptl0_create(), slab_space_alloc(), sys_futex_sleep_timeout(), sys_futex_wakeup(), sys_io(), sys_physmem_map(), task_run_program(), 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 PRINT_BAT ( name,
ureg,
lreg )

Value:
asm volatile ( \ "mfspr %0," #ureg "\n" \ "mfspr %1," #lreg "\n" \ : "=r" (upper), "=r" (lower) \ ); \ mask = (upper & 0x1ffc) >> 2; \ if (upper & 3) { \ __u32 tmp = mask; \ length = 128; \ while (tmp) { \ if ((tmp & 1) == 0) { \ printf("ibat[0]: error in mask\n"); \ break; \ } \ length <<= 1; \ tmp >>= 1; \ } \ } else \ length = 0; \ printf(name ": page=%.*p frame=%.*p length=%d KB (mask=%#x)%s%s\n", sizeof(upper) * 2, upper & 0xffff0000, sizeof(lower) * 2, lower & 0xffff0000, length, mask, ((upper >> 1) & 1) ? " supervisor" : "", (upper & 1) ? " user" : "");

Definition at line 378 of file tlb.c.

#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 (0x7fffffff-(PAGE_SIZE-1))

Definition at line 45 of file as.h.

Typedef Documentation

typedef __u32 asid_t

Definition at line 42 of file asid.h.

Function Documentation

void as_arch_init ( void )

Architecture dependent address space init.
Definition at line 41 of file as.c.
References as_operations, as_pt_operations, and asid_fifo_init().
Referenced by as_init().
Here is the call graph for this function:

void as_install_arch ( as_t * as )

Install address space.
Install ASID.

Parameters:

as Address space structure.

Definition at line 54 of file as.c.
References interrupts_disable(), and spinlock_lock.
Referenced by as_switch().
Here is the call graph for this function:

static pte_t* find_mapping_and_check ( as_t * as,

bool lock,

__address badvaddr,

int access,

istate_t * istate,

int * pfrc

) [static]

Try to find PTE for faulting address
Try to find PTE for faulting address. The as->lock must be held on entry to this function if lock is true.

Parameters:

as Address space.

lock Lock/unlock the address space.

badvaddr Faulting virtual address.

access Access mode that caused the fault.

istate Pointer to interrupted state.

pfrc Pointer to variable where as_page_fault() return code will be stored.

Returns:
PTE on success, NULL otherwise.

Definition at line 59 of file tlb.c.
References as_page_fault(), ASSERT, NULL, pte_t::p, page_mapping_find(), page_table_lock(), page_table_unlock(), panic, and printf().
Referenced by pht_refill().
Here is the call graph for this function:

void frame_arch_init ( void )

Definition at line 44 of file frame.c.
References ADDR2PFN(), ALIGN_DOWN, ALIGN_UP, bootinfo, memmap_t::count, FRAME_SIZE, last_frame, bootinfo_t::memmap, memzone_t::size, SIZE2FRAMES(), memzone_t::start, zone_create(), and memmap_t::zones.
Referenced by frame_init().
Here is the call graph for this function:

size_t get_memory_size ( void )

Definition at line 41 of file memory_init.c.
References bootinfo, bootinfo_t::memmap, and memmap_t::total.
Referenced by main_bsp().

__address hw_map ( __address physaddr,

size_t size

)

Definition at line 48 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 cuda_init(), fb_init(), and pic_init().
Here is the call graph for this function:

void memory_print_map ( void )

Definition at line 47 of file memory_init.c.
References bootinfo, memmap_t::count, bootinfo_t::memmap, printf(), memzone_t::size, memzone_t::start, and memmap_t::zones.
Referenced by arch_pre_smp_init().
Here is the call graph for this function:

void page_arch_init ( void )

Definition at line 41 of file page.c.
References config, config_t::cpu_active, and pt_mapping_operations.
Referenced by page_init().

void pht_init ( void )

static void pht_insert ( const __address vaddr,

const pfn_t pfn

) [static]

Definition at line 120 of file tlb.c.
References sdr1.
Referenced by pht_refill().

static void pht_real_insert ( const __address vaddr,

const pfn_t pfn

) [static]

Definition at line 187 of file tlb.c.
References sdr1.
Referenced by pht_real_refill().

bool pht_real_refill ( int n,

istate_t * istate

)

Process Instruction/Data Storage Interrupt in Real Mode

Parameters:

n Interrupt vector number.

istate Interrupted register context.

Definition at line 322 of file tlb.c.
References istate::pc, pht_real_insert(), and VECTOR_DATA_STORAGE.
Here is the call graph for this function:

void pht_refill ( int n,

istate_t * istate

)

Process Instruction/Data Storage Interrupt

Parameters:

n Interrupt vector number.

istate Interrupted register context.

Definition at line 260 of file tlb.c.
References pte_t::a, AS, AS_KERNEL, find_mapping_and_check(), NULL, page_table_lock(), page_table_unlock(), panic, istate::pc, PF_ACCESS_READ, pte_t::pfn, pht_insert(), pht_refill_fail(), and VECTOR_DATA_STORAGE.
Referenced by interrupt_init().
Here is the call graph for this function:

static void pht_refill_fail ( __address badvaddr,

istate_t * istate

) [static]

Definition at line 105 of file tlb.c.
References get_symtab_entry(), istate::lr, panic, and istate::pc.
Referenced by pht_refill().
Here is the call graph for this function:

void tlb_arch_init ( void )

Definition at line 349 of file tlb.c.
References tlb_invalidate_all().
Referenced by tlb_init().
Here is the call graph for this function:

void tlb_invalidate_all ( void )

Definition at line 355 of file tlb.c.
Referenced by before_thread_runs_arch(), tlb_arch_init(), tlb_invalidate_asid(), tlb_invalidate_pages(), and tlb_shootdown_ipi_recv().

void tlb_invalidate_asid ( asid_t asid )

Definition at line 364 of file tlb.c.
References tlb_invalidate_all().
Referenced by asid_get(), and tlb_shootdown_ipi_recv().
Here is the call graph for this function:

void tlb_invalidate_pages ( asid_t asid,

__address page,

count_t cnt

)

Definition at line 371 of file tlb.c.
References tlb_invalidate_all().
Referenced by tlb_shootdown_ipi_recv().
Here is the call graph for this function:

void tlb_print ( void )

Definition at line 401 of file tlb.c.
References printf().
Referenced by cmd_tlb().
Here is the call graph for this function:

Variable Documentation

__address last_frame = 0

Definition at line 42 of file frame.c.
Referenced by frame_arch_init(), and hw_map().

Generated on Sun Jun 18 17:25:11 2006 for HelenOS Kernel (ppc32) by

1.4.6

ppc32 [Memory management]

Files

Data Structures

Defines

Typedefs

Functions

Variables

Define Documentation

Typedef Documentation

Function Documentation

Variable Documentation

ppc32
[Memory management]