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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [xen-unstable] minios: Fix width of shifted 1
# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1211617465 -3600
# Node ID 4c1bb3e4a5a09a5920ca6d3abdb41eca1f6efd33
# Parent c4506386b299b481c6576676aac32c197b997d33
minios: Fix width of shifted 1
Shifting 1 more that 32 bits requires 1 to be long-typed.
Signed-off-by: Samuel Thibault <samuel.thibault@xxxxxxxxxxxxx>
---
extras/mini-os/hypervisor.c | 4 ++--
extras/mini-os/lib/xmalloc.c | 2 +-
extras/mini-os/mm.c | 38 +++++++++++++++++++-------------------
3 files changed, 22 insertions(+), 22 deletions(-)
diff -r c4506386b299 -r 4c1bb3e4a5a0 extras/mini-os/hypervisor.c
--- a/extras/mini-os/hypervisor.c Sat May 24 09:23:40 2008 +0100
+++ b/extras/mini-os/hypervisor.c Sat May 24 09:24:25 2008 +0100
@@ -55,12 +55,12 @@ void do_hypervisor_callback(struct pt_re
while ( l1 != 0 )
{
l1i = __ffs(l1);
- l1 &= ~(1 << l1i);
+ l1 &= ~(1UL << l1i);
while ( (l2 = active_evtchns(cpu, s, l1i)) != 0 )
{
l2i = __ffs(l2);
- l2 &= ~(1 << l2i);
+ l2 &= ~(1UL << l2i);
port = (l1i * (sizeof(unsigned long) * 8)) + l2i;
do_event(port, regs);
diff -r c4506386b299 -r 4c1bb3e4a5a0 extras/mini-os/lib/xmalloc.c
--- a/extras/mini-os/lib/xmalloc.c Sat May 24 09:23:40 2008 +0100
+++ b/extras/mini-os/lib/xmalloc.c Sat May 24 09:24:25 2008 +0100
@@ -127,7 +127,7 @@ static void *xmalloc_whole_pages(size_t
if ( hdr == NULL )
return NULL;
- hdr->size = (1 << (pageorder + PAGE_SHIFT));
+ hdr->size = (1UL << (pageorder + PAGE_SHIFT));
/* Debugging aid. */
hdr->freelist.next = hdr->freelist.prev = NULL;
diff -r c4506386b299 -r 4c1bb3e4a5a0 extras/mini-os/mm.c
--- a/extras/mini-os/mm.c Sat May 24 09:23:40 2008 +0100
+++ b/extras/mini-os/mm.c Sat May 24 09:24:25 2008 +0100
@@ -58,7 +58,7 @@ static unsigned long *alloc_bitmap;
#define PAGES_PER_MAPWORD (sizeof(unsigned long) * 8)
#define allocated_in_map(_pn) \
-(alloc_bitmap[(_pn)/PAGES_PER_MAPWORD] & (1<<((_pn)&(PAGES_PER_MAPWORD-1))))
+(alloc_bitmap[(_pn)/PAGES_PER_MAPWORD] & (1UL<<((_pn)&(PAGES_PER_MAPWORD-1))))
/*
* Hint regarding bitwise arithmetic in map_{alloc,free}:
@@ -80,13 +80,13 @@ static void map_alloc(unsigned long firs
if ( curr_idx == end_idx )
{
- alloc_bitmap[curr_idx] |= ((1<<end_off)-1) & -(1<<start_off);
+ alloc_bitmap[curr_idx] |= ((1UL<<end_off)-1) & -(1UL<<start_off);
}
else
{
- alloc_bitmap[curr_idx] |= -(1<<start_off);
- while ( ++curr_idx < end_idx ) alloc_bitmap[curr_idx] = ~0L;
- alloc_bitmap[curr_idx] |= (1<<end_off)-1;
+ alloc_bitmap[curr_idx] |= -(1UL<<start_off);
+ while ( ++curr_idx < end_idx ) alloc_bitmap[curr_idx] = ~0UL;
+ alloc_bitmap[curr_idx] |= (1UL<<end_off)-1;
}
}
@@ -102,13 +102,13 @@ static void map_free(unsigned long first
if ( curr_idx == end_idx )
{
- alloc_bitmap[curr_idx] &= -(1<<end_off) | ((1<<start_off)-1);
+ alloc_bitmap[curr_idx] &= -(1UL<<end_off) | ((1UL<<start_off)-1);
}
else
{
- alloc_bitmap[curr_idx] &= (1<<start_off)-1;
+ alloc_bitmap[curr_idx] &= (1UL<<start_off)-1;
while ( ++curr_idx != end_idx ) alloc_bitmap[curr_idx] = 0;
- alloc_bitmap[curr_idx] &= -(1<<end_off);
+ alloc_bitmap[curr_idx] &= -(1UL<<end_off);
}
}
@@ -178,7 +178,7 @@ USED static void print_chunks(void *star
head = free_head[order];
while(!FREELIST_EMPTY(head))
{
- for(count = 0; count < 1<< head->level; count++)
+ for(count = 0; count < 1UL<< head->level; count++)
{
if(count + virt_to_pfn(head) - pfn_start < 1000)
chunks[count + virt_to_pfn(head) - pfn_start] = current;
@@ -235,13 +235,13 @@ static void init_page_allocator(unsigned
* Next chunk is limited by alignment of min, but also
* must not be bigger than remaining range.
*/
- for ( i = PAGE_SHIFT; (1<<(i+1)) <= range; i++ )
- if ( min & (1<<i) ) break;
+ for ( i = PAGE_SHIFT; (1UL<<(i+1)) <= range; i++ )
+ if ( min & (1UL<<i) ) break;
ch = (chunk_head_t *)min;
- min += (1<<i);
- range -= (1<<i);
+ min += (1UL<<i);
+ range -= (1UL<<i);
ct = (chunk_tail_t *)min-1;
i -= PAGE_SHIFT;
ch->level = i;
@@ -280,8 +280,8 @@ unsigned long alloc_pages(int order)
{
/* Split into two equal parts. */
i--;
- spare_ch = (chunk_head_t *)((char *)alloc_ch + (1<<(i+PAGE_SHIFT)));
- spare_ct = (chunk_tail_t *)((char *)spare_ch + (1<<(i+PAGE_SHIFT)))-1;
+ spare_ch = (chunk_head_t *)((char *)alloc_ch + (1UL<<(i+PAGE_SHIFT)));
+ spare_ct = (chunk_tail_t *)((char *)spare_ch +
(1UL<<(i+PAGE_SHIFT)))-1;
/* Create new header for spare chunk. */
spare_ch->level = i;
@@ -294,7 +294,7 @@ unsigned long alloc_pages(int order)
free_head[i] = spare_ch;
}
- map_alloc(PHYS_PFN(to_phys(alloc_ch)), 1<<order);
+ map_alloc(PHYS_PFN(to_phys(alloc_ch)), 1UL<<order);
return((unsigned long)alloc_ch);
@@ -312,16 +312,16 @@ void free_pages(void *pointer, int order
unsigned long mask;
/* First free the chunk */
- map_free(virt_to_pfn(pointer), 1 << order);
+ map_free(virt_to_pfn(pointer), 1UL << order);
/* Create free chunk */
freed_ch = (chunk_head_t *)pointer;
- freed_ct = (chunk_tail_t *)((char *)pointer + (1<<(order + PAGE_SHIFT)))-1;
+ freed_ct = (chunk_tail_t *)((char *)pointer + (1UL<<(order +
PAGE_SHIFT)))-1;
/* Now, possibly we can conseal chunks together */
while(order < FREELIST_SIZE)
{
- mask = 1 << (order + PAGE_SHIFT);
+ mask = 1UL << (order + PAGE_SHIFT);
if((unsigned long)freed_ch & mask)
{
to_merge_ch = (chunk_head_t *)((char *)freed_ch - mask);
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