mirrors/qemu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

fix for IO_MEM_ROMD support

Browse Source 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2034 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2006-07-04 09:47:34 +00:00
parent 99ba31b4fe
commit 856074ec70
1 changed files with 5 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
exec.c
View File

@ -1513,9 +1513,11 @@ int tlb_set_page_exec(CPUState *env, target_ulong vaddr,
te->addr_code = -1;
}
if (prot & PAGE_WRITE) {
if ((pd & ~TARGET_PAGE_MASK) == IO_MEM_ROM) {
/* ROM: access is ignored (same as unassigned) */
te->addr_write = vaddr | IO_MEM_ROM;
if ((pd & ~TARGET_PAGE_MASK) == IO_MEM_ROM ||
(pd & IO_MEM_ROMD)) {
/* write access calls the I/O callback */
te->addr_write = vaddr |
(pd & ~(TARGET_PAGE_MASK | IO_MEM_ROMD));
} else if ((pd & ~TARGET_PAGE_MASK) == IO_MEM_RAM &&
!cpu_physical_memory_is_dirty(pd)) {
te->addr_write = vaddr | IO_MEM_NOTDIRTY;