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Ignore whitespace Rev 688 → Rev 689

/kernel/trunk/test/mm/falloc1/test.c
0,0 → 1,84
/*
* Copyright (C) 2006 Sergey Bondari
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <print.h>
#include <test.h>
#include <mm/page.h>
#include <mm/frame.h>
#include <arch/mm/page.h>
#include <arch/types.h>
#include <debug.h>
 
#define MAX_FRAMES 1024
#define MAX_ORDER 8
#define TEST_RUNS 4
 
void test(void) {
__address frames[MAX_FRAMES];
int results[MAX_ORDER+1];
int i, order, run;
int allocated;
int status;
 
ASSERT(TEST_RUNS > 1);
 
for (run=0;run<=TEST_RUNS;run++) {
for (order=0;order<=MAX_ORDER;order++) {
printf("Allocating %d frames blocks ... ", 1<<order);
allocated = 0;
for (i=0;i<MAX_FRAMES>>order;i++) {
frames[allocated] = frame_alloc(FRAME_NON_BLOCKING,order, &status);
if (status == 0) {
allocated++;
} else {
printf("done. ");
break;
}
}
printf("%d blocks alocated.\n", allocated);
if (run) {
if (results[order] != allocated) {
panic("Test failed. Frame leak possible.\n");
}
} else results[order] = allocated;
printf("Deallocating ... ");
for (i=0;i<allocated;i++) {
frame_free(frames[i]);
}
printf("done.\n");
}
}
 
 
printf("Test passed\n");
}
 
/kernel/trunk/test/mm/mapping1/test.c
47,8 → 47,8
 
printf("Memory management test mapping #1\n");
 
frame0 = frame_alloc(FRAME_KA, ONE_FRAME);
frame1 = frame_alloc(FRAME_KA, ONE_FRAME);
frame0 = frame_alloc(FRAME_KA, ONE_FRAME, NULL);
frame1 = frame_alloc(FRAME_KA, ONE_FRAME, NULL);
 
printf("Writing %L to physical address %P.\n", VALUE0, KA2PA(frame0));
*((__u32 *) frame0) = VALUE0;
/kernel/trunk/kernel.config
81,5 → 81,6
@ "print/print1" Printf test 1
@ "thread/thread1" Thread test 1
@ "mm/mapping1" Mapping test 1
@ "mm/falloc1" Frame Allocation test 1
@ [ARCH=mips32] "debug/mips1" Mips breakpoint-debug test
! CONFIG_TEST (choice)
/kernel/trunk/genarch/src/mm/page_pt.c
63,7 → 63,7
ptl0 = (pte_t *) PA2KA(root ? root : (__address) GET_PTL0_ADDRESS());
 
if (GET_PTL1_FLAGS(ptl0, PTL0_INDEX(page)) & PAGE_NOT_PRESENT) {
newpt = frame_alloc(FRAME_KA, ONE_FRAME);
newpt = frame_alloc(FRAME_KA, ONE_FRAME, NULL);
memsetb(newpt, PAGE_SIZE, 0);
SET_PTL1_ADDRESS(ptl0, PTL0_INDEX(page), KA2PA(newpt));
SET_PTL1_FLAGS(ptl0, PTL0_INDEX(page), PAGE_PRESENT | PAGE_USER | PAGE_EXEC | PAGE_CACHEABLE | PAGE_WRITE);
72,7 → 72,7
ptl1 = (pte_t *) PA2KA(GET_PTL1_ADDRESS(ptl0, PTL0_INDEX(page)));
 
if (GET_PTL2_FLAGS(ptl1, PTL1_INDEX(page)) & PAGE_NOT_PRESENT) {
newpt = frame_alloc(FRAME_KA, ONE_FRAME);
newpt = frame_alloc(FRAME_KA, ONE_FRAME, NULL);
memsetb(newpt, PAGE_SIZE, 0);
SET_PTL2_ADDRESS(ptl1, PTL1_INDEX(page), KA2PA(newpt));
SET_PTL2_FLAGS(ptl1, PTL1_INDEX(page), PAGE_PRESENT | PAGE_USER | PAGE_EXEC | PAGE_CACHEABLE | PAGE_WRITE);
81,7 → 81,7
ptl2 = (pte_t *) PA2KA(GET_PTL2_ADDRESS(ptl1, PTL1_INDEX(page)));
 
if (GET_PTL3_FLAGS(ptl2, PTL2_INDEX(page)) & PAGE_NOT_PRESENT) {
newpt = frame_alloc(FRAME_KA, ONE_FRAME);
newpt = frame_alloc(FRAME_KA, ONE_FRAME, NULL);
memsetb(newpt, PAGE_SIZE, 0);
SET_PTL3_ADDRESS(ptl2, PTL2_INDEX(page), KA2PA(newpt));
SET_PTL3_FLAGS(ptl2, PTL2_INDEX(page), PAGE_PRESENT | PAGE_USER | PAGE_EXEC | PAGE_CACHEABLE | PAGE_WRITE);
/kernel/trunk/generic/include/mm/frame.h
38,9 → 38,14
 
#define ONE_FRAME 0
 
#define FRAME_KA 1 /* skip frames conflicting with user address space */
#define FRAME_PANIC 2 /* panic on failure */
#define FRAME_KA 1 /* skip frames conflicting with user address space */
#define FRAME_PANIC 2 /* panic on failure */
#define FRAME_NON_BLOCKING 4 /* do not panic and do not sleep on failure */
 
#define FRAME_OK 0 /* frame_alloc return status */
#define FRAME_NO_MEMORY 1 /* frame_alloc return status */
#define FRAME_ERROR 2 /* frame_alloc return status */
 
#define FRAME2ADDR(zone, frame) ((zone)->base + ((frame) - (zone)->frames) * FRAME_SIZE)
#define ADDR2FRAME(zone, addr) (&((zone)->frames[((addr) - (zone)->base) / FRAME_SIZE]))
#define FRAME_INDEX(zone, frame) ((index_t)((frame) - (zone)->frames))
88,8 → 93,10
 
extern void frame_init(void);
extern void frame_initialize(frame_t *frame, zone_t *zone);
__address frame_alloc(int flags, __u8 order);
 
__address frame_alloc(int flags, __u8 order, int * status);
extern void frame_free(__address addr);
 
zone_t * get_zone_by_frame(frame_t * frame);
 
/*
/kernel/trunk/generic/src/proc/thread.c
173,9 → 173,9
spinlock_initialize(&t->lock, "thread_t_lock");
frame_ks = frame_alloc(FRAME_KA, ONE_FRAME);
frame_ks = frame_alloc(FRAME_KA, ONE_FRAME, NULL);
if (THREAD_USER_STACK & flags) {
frame_us = frame_alloc(FRAME_KA, ONE_FRAME);
frame_us = frame_alloc(FRAME_KA, ONE_FRAME, NULL);
}
 
ipl = interrupts_disable();
/kernel/trunk/generic/src/cpu/cpu.c
61,7 → 61,7
memsetb((__address) cpus, sizeof(cpu_t) * config.cpu_count, 0);
 
for (i=0; i < config.cpu_count; i++) {
cpus[i].stack = (__u8 *) frame_alloc(FRAME_KA | FRAME_PANIC, ONE_FRAME);
cpus[i].stack = (__u8 *) frame_alloc(FRAME_KA | FRAME_PANIC, ONE_FRAME, NULL);
cpus[i].id = i;
/kernel/trunk/generic/src/mm/vm.c
70,7 → 70,7
pte_t *src_ptl0, *dst_ptl0;
src_ptl0 = (pte_t *) PA2KA((__address) GET_PTL0_ADDRESS());
dst_ptl0 = (pte_t *) frame_alloc(FRAME_KA | FRAME_PANIC, ONE_FRAME);
dst_ptl0 = (pte_t *) frame_alloc(FRAME_KA | FRAME_PANIC, ONE_FRAME, NULL);
 
// memsetb((__address) dst_ptl0, PAGE_SIZE, 0);
// memcpy((void *) &dst_ptl0[KAS_START_INDEX], (void *) &src_ptl0[KAS_START_INDEX], KAS_INDICES);
116,7 → 116,7
}
for (i=0; i<size; i++)
a->mapping[i] = frame_alloc(0, ONE_FRAME);
a->mapping[i] = frame_alloc(0, ONE_FRAME, NULL);
spinlock_initialize(&a->lock, "vm_area_lock");
/kernel/trunk/generic/src/mm/frame.c
83,7 → 83,7
*
* @return Allocated frame.
*/
__address frame_alloc(int flags, __u8 order)
__address frame_alloc(int flags, __u8 order, int * status)
{
ipl_t ipl;
link_t *cur, *tmp;
117,6 → 117,8
if (flags & FRAME_PANIC)
panic("Can't allocate frame.\n");
/*
* TODO: Sleep until frames are available again.
*/
123,6 → 125,12
spinlock_unlock(&zone_head_lock);
interrupts_restore(ipl);
 
if (flags & FRAME_NON_BLOCKING) {
ASSERT(status != NULL);
*status = FRAME_NO_MEMORY;
return NULL;
}
panic("Sleep not implemented.\n");
goto loop;
}
151,6 → 159,11
if (flags & FRAME_KA)
v = PA2KA(v);
if (flags & FRAME_NON_BLOCKING) {
ASSERT(status != NULL);
*status = FRAME_OK;
}
return v;
}
 
/kernel/trunk/arch/mips32/src/mm/page.c
42,7 → 42,7
 
page_operations = &page_pt_operations;
ptl0 = frame_alloc(FRAME_KA | FRAME_PANIC, ONE_FRAME);
ptl0 = frame_alloc(FRAME_KA | FRAME_PANIC, ONE_FRAME, NULL);
memsetb(ptl0, FRAME_SIZE, 0);
SET_PTL0_ADDRESS(KA2PA(ptl0));