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authorEdgar E. Iglesias <edgar.iglesias@gmail.com>2009-10-10 17:34:27 +0200
committerEdgar E. Iglesias <edgar.iglesias@gmail.com>2009-10-10 17:34:27 +0200
commit218951ef4dc8e973cd27f934fab34c6e78ed2941 (patch)
treee9434dde22bf8f613b68cf3443891a94f7a87014 /target-cris/helper.c
parentcef290b8782b8363e80cc368a554125c5f24ec04 (diff)
CRIS: Segmented addressing only for kernel mode.
Segmented translation through the CRIS MMU is only done for accesses in kernel mode. In user-mode, all accesses are treated as paged regardless of the mode config in RW_MM_CFG. Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Diffstat (limited to 'target-cris/helper.c')
-rw-r--r--target-cris/helper.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/target-cris/helper.c b/target-cris/helper.c
index a12ac10ee0..ff4f2fe1da 100644
--- a/target-cris/helper.c
+++ b/target-cris/helper.c
@@ -172,8 +172,6 @@ void do_interrupt(CPUState *env)
env->dslot = 0;
}
- env->pc = ldl_code(env->pregs[PR_EBP] + ex_vec * 4);
-
if (env->pregs[PR_CCS] & U_FLAG) {
/* Swap stack pointers. */
env->pregs[PR_USP] = env->regs[R_SP];
@@ -182,6 +180,10 @@ void do_interrupt(CPUState *env)
/* Apply the CRIS CCS shift. Clears U if set. */
cris_shift_ccs(env);
+
+ /* Now that we are in kernel mode, load the handlers address. */
+ env->pc = ldl_code(env->pregs[PR_EBP] + ex_vec * 4);
+
D_LOG("%s isr=%x vec=%x ccs=%x pid=%d erp=%x\n",
__func__, env->pc, ex_vec,
env->pregs[PR_CCS],