Subversion Repositories HelenOS

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Ignore whitespace Rev 2005 → Rev 2007

/trunk/kernel/genarch/src/mm/asid_fifo.c
63,9 → 63,9
{
int i;
 
#if (!FIFO_STATIC)
#if (!FIFO_STATIC)
fifo_create(free_asids);
#endif
#endif
for (i = 0; i < ASIDS_ALLOCABLE; i++) {
fifo_push(free_asids, ASID_START + i);
/trunk/kernel/generic/include/mm/page.h
66,6 → 66,12
 
#define PAGE_GLOBAL (1<<PAGE_GLOBAL_SHIFT)
 
 
/**
* Macro for computing page color.
*/
#define PAGE_COLOR(va) (((va) >> PAGE_WIDTH) & ((1 << PAGE_COLOR_BITS) - 1))
 
/** Page fault access type. */
enum pf_access {
PF_ACCESS_READ,
/trunk/kernel/generic/src/mm/as.c
550,12 → 550,13
* @param dst_base Target base address.
* @param dst_flags_mask Destination address space area flags mask.
*
* @return Zero on success or ENOENT if there is no such task or
* if there is no such address space area,
* EPERM if there was a problem in accepting the area or
* ENOMEM if there was a problem in allocating destination
* address space area. ENOTSUP is returned if an attempt
* to share non-anonymous address space area is detected.
* @return Zero on success or ENOENT if there is no such task or if there is no
* such address space area, EPERM if there was a problem in accepting the area
* or ENOMEM if there was a problem in allocating destination address space
* area. ENOTSUP is returned if the address space area backend does not support
* sharing. It can be also returned if the architecture uses virtually indexed
* caches and the source and destination areas start at pages with different
* page colors.
*/
int as_area_share(as_t *src_as, uintptr_t src_base, size_t acc_size,
as_t *dst_as, uintptr_t dst_base, int dst_flags_mask)
580,6 → 581,20
return ENOENT;
}
#if 0 /* disable the check for now */
#ifdef CONFIG_VIRT_IDX_CACHE
if (PAGE_COLOR(src_area->base) != PAGE_COLOR(dst_base)) {
/*
* Refuse to create illegal address alias.
*/
mutex_unlock(&src_area->lock);
mutex_unlock(&src_as->lock);
interrupts_restore(ipl);
return ENOTSUP;
}
#endif /* CONFIG_VIRT_IDX_CACHE */
#endif
 
if (!src_area->backend || !src_area->backend->share) {
/*
* There is no backend or the backend does not
/trunk/kernel/arch/sparc64/include/mm/page.h
40,6 → 40,8
#define PAGE_WIDTH FRAME_WIDTH
#define PAGE_SIZE FRAME_SIZE
 
#define PAGE_COLOR_BITS 1 /**< 14 - 13; 2^14 == 16K == alias boundary. */
 
#ifdef KERNEL
 
#ifndef __ASM__
/trunk/kernel/arch/ia64/include/mm/page.h
41,11 → 41,12
#define PAGE_SIZE FRAME_SIZE
#define PAGE_WIDTH FRAME_WIDTH
 
#define PAGE_COLOR_BITS 0 /* dummy */
 
#ifdef KERNEL
 
/** Bit width of the TLB-locked portion of kernel address space. */
#define KERNEL_PAGE_WIDTH 28 /* 256M */
#define KERNEL_PAGE_WIDTH 28 /* 256M */
 
#define PPN_SHIFT 12
 
64,7 → 65,7
#define KA2PA(x) ((uintptr_t) (x-(VRN_KERNEL<<VRN_SHIFT)))
#define PA2KA(x) ((uintptr_t) (x+(VRN_KERNEL<<VRN_SHIFT)))
 
#define VHPT_WIDTH 20 /* 1M */
#define VHPT_WIDTH 20 /* 1M */
#define VHPT_SIZE (1 << VHPT_WIDTH)
 
#define PTA_BASE_SHIFT 15
/trunk/kernel/arch/ppc32/include/mm/page.h
40,6 → 40,8
#define PAGE_WIDTH FRAME_WIDTH
#define PAGE_SIZE FRAME_SIZE
 
#define PAGE_COLOR_BITS 0 /* dummy */
 
#ifdef KERNEL
 
#ifndef __ASM__
/trunk/kernel/arch/ia32xen/include/mm/page.h
40,6 → 40,8
#define PAGE_WIDTH FRAME_WIDTH
#define PAGE_SIZE FRAME_SIZE
 
#define PAGE_COLOR_BITS 0 /* dummy */
 
#ifdef KERNEL
 
#ifndef __ASM__
/trunk/kernel/arch/amd64/include/mm/page.h
52,6 → 52,8
#define PAGE_WIDTH FRAME_WIDTH
#define PAGE_SIZE FRAME_SIZE
 
#define PAGE_COLOR_BITS 0 /* dummy */
 
#ifdef KERNEL
 
#ifndef __ASM__
/trunk/kernel/arch/ppc64/include/mm/page.h
40,6 → 40,8
#define PAGE_WIDTH FRAME_WIDTH
#define PAGE_SIZE FRAME_SIZE
 
#define PAGE_COLOR_BITS 0 /* dummy */
 
#ifdef KERNEL
 
#ifndef __ASM__
/trunk/kernel/arch/mips32/include/mm/page.h
40,6 → 40,8
#define PAGE_WIDTH FRAME_WIDTH
#define PAGE_SIZE FRAME_SIZE
 
#define PAGE_COLOR_BITS 0 /* dummy */
 
#ifndef __ASM__
# define KA2PA(x) (((uintptr_t) (x)) - 0x80000000)
# define PA2KA(x) (((uintptr_t) (x)) + 0x80000000)
/trunk/kernel/arch/ia32/include/mm/page.h
40,6 → 40,8
#define PAGE_WIDTH FRAME_WIDTH
#define PAGE_SIZE FRAME_SIZE
 
#define PAGE_COLOR_BITS 0 /* dummy */
 
#ifdef KERNEL
 
#ifndef __ASM__