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Viewing changes to target-cris/translate.c

  • Committer: edgar_igl
  • Date: 2008-10-08 14:22:17 UTC
  • Revision ID: git-v1:cddffe373928480e501f4d9b28b427e157b38f7d
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

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Lines of Context:
target-cris/translate.c
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                tcg_gen_mov_tl(tn, tcg_const_tl(0));
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        else if (r == PR_VR)
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                tcg_gen_mov_tl(tn, tcg_const_tl(32));
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        else if (r == PR_EXS) {
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                printf("read from EXS!\n");
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                tcg_gen_mov_tl(tn, cpu_PR[r]);
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        }
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        else if (r == PR_EDA) {
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                printf("read from EDA!\n");
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                tcg_gen_mov_tl(tn, cpu_PR[r]);
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                        DIS(fprintf(logfile, "break %d\n", dc->op1));
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                        cris_evaluate_flags (dc);
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                        /* break.  */
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                        if (dc->op1 == 8) {
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                                /* TODO: Find out whats special with brk8.  */
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                                tcg_gen_movi_tl(env_pc, dc->pc);
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                        }
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                        else
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                                tcg_gen_movi_tl(env_pc, dc->pc + 2);
 
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                        tcg_gen_movi_tl(env_pc, dc->pc + 2);
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                        /* Breaks start at 16 in the exception vector.  */
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                        t_gen_mov_env_TN(trap_vector, 
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                cris_evaluate_flags (dc);
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                t_gen_mov_env_TN(trap_vector, tcg_const_tl(3));
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                tcg_gen_movi_tl(env_pc, dc->pc + insn_len);
 
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                tcg_gen_movi_tl(cpu_PR[PR_SPC], dc->pc + insn_len);
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                t_gen_raise_exception(EXCP_BREAK);
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                gen_set_label(l1);
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        }