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Avoid accessing guest memory directly in usermode emulation.

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1790 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
pbrook 2006-03-25 19:31:22 +00:00
parent 26f69dc09f
commit 53a5960aad
15 changed files with 1195 additions and 773 deletions
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10
cpu-exec.c
View file

@ -913,7 +913,7 @@ static inline int handle_cpu_signal(unsigned long pc, unsigned long address,
pc, address, is_write, *(unsigned long *)old_set);
#endif
/* XXX: locking issue */
if (is_write && page_unprotect(address, pc, puc)) {
if (is_write && page_unprotect(h2g(address), pc, puc)) {
return 1;
}
@ -964,7 +964,7 @@ static inline int handle_cpu_signal(unsigned long pc, unsigned long address,
pc, address, is_write, *(unsigned long *)old_set);
#endif
/* XXX: locking issue */
if (is_write && page_unprotect(address, pc, puc)) {
if (is_write && page_unprotect(h2g(address), pc, puc)) {
return 1;
}
/* see if it is an MMU fault */
@ -1000,7 +1000,7 @@ static inline int handle_cpu_signal(unsigned long pc, unsigned long address,
pc, address, is_write, *(unsigned long *)old_set);
#endif
/* XXX: locking issue */
if (is_write && page_unprotect(address, pc, puc)) {
if (is_write && page_unprotect(h2g(address), pc, puc)) {
return 1;
}
/* see if it is an MMU fault */
@ -1036,7 +1036,7 @@ static inline int handle_cpu_signal(unsigned long pc, unsigned long address,
pc, address, is_write, *(unsigned long *)old_set);
#endif
/* XXX: locking issue */
if (is_write && page_unprotect(address, pc, puc)) {
if (is_write && page_unprotect(h2g(address), pc, puc)) {
return 1;
}
@ -1086,7 +1086,7 @@ static inline int handle_cpu_signal(unsigned long pc, unsigned long address,
pc, address, is_write, *(unsigned long *)old_set);
#endif
/* XXX: locking issue */
if (is_write && page_unprotect(address, pc, puc)) {
if (is_write && page_unprotect(h2g(address), pc, puc)) {
return 1;
}