diff options
| author | edgar_igl <edgar_igl@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-10-08 14:22:17 +0000 |
|---|---|---|
| committer | edgar_igl <edgar_igl@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-10-08 14:22:17 +0000 |
| commit | cddffe373928480e501f4d9b28b427e157b38f7d (patch) | |
| tree | ed1e1976752b24be3a26edc9ab13911c7b53441a /target-cris | |
| parent | dd20fcd0ac20c4357f4d96786ab957c88c6cbe05 (diff) | |
CRIS: Partial EXS reg support and fixes for SPC.
* Add partial support for the EXS (exception status) register.
* Update SPC after each singlestep exception.
* Remove special treatment of break 8.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5448 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-cris')
| -rw-r--r-- | target-cris/helper.c | 3 | ||||
| -rw-r--r-- | target-cris/translate.c | 12 |
2 files changed, 5 insertions, 10 deletions
diff --git a/target-cris/helper.c b/target-cris/helper.c index 7770403ace..2aa5a8e7d2 100644 --- a/target-cris/helper.c +++ b/target-cris/helper.c @@ -143,6 +143,9 @@ void do_interrupt(CPUState *env) break; } + /* Fill in the IDX field. */ + env->pregs[PR_EXS] = (ex_vec & 0xff) << 8; + if (env->dslot) { D(fprintf(logfile, "excp isr=%x PC=%x ds=%d SP=%x" " ERP=%x pid=%x ccs=%x cc=%d %x\n", diff --git a/target-cris/translate.c b/target-cris/translate.c index c030631696..86c455c4e8 100644 --- a/target-cris/translate.c +++ b/target-cris/translate.c @@ -196,10 +196,6 @@ static inline void t_gen_mov_TN_preg(TCGv tn, int r) tcg_gen_mov_tl(tn, tcg_const_tl(0)); else if (r == PR_VR) tcg_gen_mov_tl(tn, tcg_const_tl(32)); - else if (r == PR_EXS) { - printf("read from EXS!\n"); - tcg_gen_mov_tl(tn, cpu_PR[r]); - } else if (r == PR_EDA) { printf("read from EDA!\n"); tcg_gen_mov_tl(tn, cpu_PR[r]); @@ -2811,12 +2807,7 @@ static unsigned int dec_rfe_etc(DisasContext *dc) DIS(fprintf(logfile, "break %d\n", dc->op1)); cris_evaluate_flags (dc); /* break. */ - if (dc->op1 == 8) { - /* TODO: Find out whats special with brk8. */ - tcg_gen_movi_tl(env_pc, dc->pc); - } - else - tcg_gen_movi_tl(env_pc, dc->pc + 2); + tcg_gen_movi_tl(env_pc, dc->pc + 2); /* Breaks start at 16 in the exception vector. */ t_gen_mov_env_TN(trap_vector, @@ -3005,6 +2996,7 @@ cris_decoder(DisasContext *dc) cris_evaluate_flags (dc); t_gen_mov_env_TN(trap_vector, tcg_const_tl(3)); tcg_gen_movi_tl(env_pc, dc->pc + insn_len); + tcg_gen_movi_tl(cpu_PR[PR_SPC], dc->pc + insn_len); t_gen_raise_exception(EXCP_BREAK); gen_set_label(l1); } |