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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
This commit is contained in:
edgar_igl 2009-01-04 15:45:17 +00:00
parent bf91ada56a
commit 80e1b265f4
1 changed files with 2 additions and 5 deletions
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7
target-cris/mmu.c
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@ -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",