diff options
| author | Artyom Tarasenko <atar4qemu@googlemail.com> | 2010-01-31 03:27:36 +0100 |
|---|---|---|
| committer | Blue Swirl <blauwirbel@gmail.com> | 2010-01-31 07:49:26 +0000 |
| commit | 698235aab6f55e960203dc2ef9a3a580982dae2f (patch) | |
| tree | 0208a804dddd194b6901d01b00b886894efc86eb | |
| parent | 95819af01519c810aa2b9b4a6bcc944eca6d80d0 (diff) | |
sparc32 don't mark page dirty when failing
if the access check fails, the page can not be modified
and shouldn't be marked dirty.
The patch fixes the "hsfs_putpage: dirty HSFS page"
error in Solaris guests.
Signed-off-by: Artyom Tarasenko <atar4qemu@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
| -rw-r--r-- | target-sparc/helper.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/target-sparc/helper.c b/target-sparc/helper.c index b5b4e7ca74..ffe93e3d44 100644 --- a/target-sparc/helper.c +++ b/target-sparc/helper.c @@ -185,6 +185,12 @@ static int get_physical_address(CPUState *env, target_phys_addr_t *physical, } } + /* check access */ + access_perms = (pde & PTE_ACCESS_MASK) >> PTE_ACCESS_SHIFT; + error_code = access_table[*access_index][access_perms]; + if (error_code && !((env->mmuregs[0] & MMU_NF) && is_user)) + return error_code; + /* update page modified and dirty bits */ is_dirty = (rw & 1) && !(pde & PG_MODIFIED_MASK); if (!(pde & PG_ACCESSED_MASK) || is_dirty) { @@ -193,11 +199,6 @@ static int get_physical_address(CPUState *env, target_phys_addr_t *physical, pde |= PG_MODIFIED_MASK; stl_phys_notdirty(pde_ptr, pde); } - /* check access */ - access_perms = (pde & PTE_ACCESS_MASK) >> PTE_ACCESS_SHIFT; - error_code = access_table[*access_index][access_perms]; - if (error_code && !((env->mmuregs[0] & MMU_NF) && is_user)) - return error_code; /* the page can be put in the TLB */ *prot = perm_table[is_user][access_perms]; |