diff options
| author | edgar_igl <edgar_igl@c046a42c-6fe2-441c-8c8c-71466251a162> | 2009-01-04 15:45:17 +0000 |
|---|---|---|
| committer | edgar_igl <edgar_igl@c046a42c-6fe2-441c-8c8c-71466251a162> | 2009-01-04 15:45:17 +0000 |
| commit | 80e1b265f4505149ba256ab6e18be942830072d0 (patch) | |
| tree | 08c51dbd4bfe1a273fbdc29abdd8e11b3f255513 /target-cris | |
| parent | bf91ada56ab8ef6c6d80f401c879cc53a39a390b (diff) | |
CRIS: Dont flush kernel protected pages when modifying $pid.
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6161 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-cris')
| -rw-r--r-- | target-cris/mmu.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/target-cris/mmu.c b/target-cris/mmu.c index 408a99c72c..9ae398db6d 100644 --- a/target-cris/mmu.c +++ b/target-cris/mmu.c @@ -295,7 +295,7 @@ void cris_mmu_flush_pid(CPUState *env, uint32_t pid) unsigned int idx; uint32_t lo, hi; uint32_t tlb_vpn; - int tlb_pid, tlb_g, tlb_v, tlb_k; + int tlb_pid, tlb_g, tlb_v; unsigned int set; unsigned int mmu; @@ -311,11 +311,8 @@ void cris_mmu_flush_pid(CPUState *env, uint32_t pid) tlb_pid = EXTRACT_FIELD(hi, 0, 7); tlb_g = EXTRACT_FIELD(lo, 4, 4); tlb_v = EXTRACT_FIELD(lo, 3, 3); - tlb_k = EXTRACT_FIELD(lo, 2, 2); - /* Kernel protected areas need to be flushed - as well. */ - if (tlb_v && !tlb_g && (tlb_pid == pid || tlb_k)) { + if (tlb_v && !tlb_g && (tlb_pid == pid)) { vaddr = tlb_vpn << TARGET_PAGE_BITS; D(fprintf(logfile, "flush pid=%x vaddr=%x\n", |