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author | pbrook <pbrook@c046a42c-6fe2-441c-8c8c-71466251a162> | 2006-04-08 20:02:06 +0000 |
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committer | pbrook <pbrook@c046a42c-6fe2-441c-8c8c-71466251a162> | 2006-04-08 20:02:06 +0000 |
commit | e3f4e2a4b0df510e441badb85c9398516c27bd66 (patch) | |
tree | aa9d7c3a858ba675cd9aa83cf53272f9d0267293 /exec.c | |
parent | 706cd4b547db5c27585b6125a43663aba3404dfe (diff) | |
download | hqemu-e3f4e2a4b0df510e441badb85c9398516c27bd66.zip hqemu-e3f4e2a4b0df510e441badb85c9398516c27bd66.tar.gz |
Initialize physical memory space to IO_MEM_UNASSIGNED.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1801 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'exec.c')
-rw-r--r-- | exec.c | 15 |
1 files changed, 9 insertions, 6 deletions
@@ -204,6 +204,7 @@ static inline PageDesc *page_find(unsigned int index) static PhysPageDesc *phys_page_find_alloc(target_phys_addr_t index, int alloc) { void **lp, **p; + PhysPageDesc *pd; p = (void **)l1_phys_map; #if TARGET_PHYS_ADDR_SPACE_BITS > 32 @@ -223,16 +224,18 @@ static PhysPageDesc *phys_page_find_alloc(target_phys_addr_t index, int alloc) } #endif lp = p + ((index >> L2_BITS) & (L1_SIZE - 1)); - p = *lp; - if (!p) { + pd = *lp; + if (!pd) { + int i; /* allocate if not found */ if (!alloc) return NULL; - p = qemu_vmalloc(sizeof(PhysPageDesc) * L2_SIZE); - memset(p, 0, sizeof(PhysPageDesc) * L2_SIZE); - *lp = p; + pd = qemu_vmalloc(sizeof(PhysPageDesc) * L2_SIZE); + *lp = pd; + for (i = 0; i < L2_SIZE; i++) + pd[i].phys_offset = IO_MEM_UNASSIGNED; } - return ((PhysPageDesc *)p) + (index & (L2_SIZE - 1)); + return ((PhysPageDesc *)pd) + (index & (L2_SIZE - 1)); } static inline PhysPageDesc *phys_page_find(target_phys_addr_t index) |