Commit 80e1b265 authored by Edgar E. Iglesias's avatar Edgar E. Iglesias
Browse files

CRIS: Dont flush kernel protected pages when modifying $pid. 



Signed-off-by: default avatarEdgar E. Iglesias <edgar.iglesias@gmail.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6161 c046a42c-6fe2-441c-8c8c-71466251a162
parent bf91ada5

target-cris/mmu.c

+2 −5
Original line number Diff line number Diff line
@@ -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",