| Line 329... |
Line 329... |
or1k_init (args)
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or1k_init (args)
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char *args;
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char *args;
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{
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{
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struct cleanup *old_cleanups = make_cleanup (or1k_set_undefined_cleanups, NULL);
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struct cleanup *old_cleanups = make_cleanup (or1k_set_undefined_cleanups, NULL);
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int i;
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int i;
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unsigned int tmp;
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/* What is this code doing here? I don't see any way it can happen, and
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/* What is this code doing here? I don't see any way it can happen, and
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it might mean or1k_initializing didn't get cleared properly.
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it might mean or1k_initializing didn't get cleared properly.
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So I'll make it a warning. */
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So I'll make it a warning. */
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| Line 348... |
Line 349... |
current_or1k_target->to_init (args);
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current_or1k_target->to_init (args);
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/* Determine implementation configuration. */
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/* Determine implementation configuration. */
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or1k_implementation.VR = or1k_read_spr_reg (VR_SPRNUM);
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or1k_implementation.VR = or1k_read_spr_reg (VR_SPRNUM);
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or1k_implementation.UPR = or1k_read_spr_reg (UPR_SPRNUM);
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or1k_implementation.UPR = or1k_read_spr_reg (UPR_SPRNUM);
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/* Determine number of gpr_regs. */
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tmp = or1k_read_spr_reg (CPUCFGR_SPRNUM);
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or1k_implementation.num_gpr_regs = ((tmp >> 4) & 1)?(16):(32);
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/* Is any vector or floating point support present? */
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or1k_implementation.vf_present = ((tmp >> 7) & 7) != 0;
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or1k_implementation.num_vfpr_regs = (or1k_implementation.vf_present)?(32):(0);
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/* Determine max number of supported matchpoints. */
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/* Determine max number of supported matchpoints. */
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or1k_implementation.num_matchpoints = 2;
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tmp = or1k_read_spr_reg (DCFGR_SPRNUM);
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or1k_implementation.num_matchpoints = tmp & 7;
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or1k_implementation.num_used_matchpoints = 0;
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or1k_implementation.num_used_matchpoints = 0;
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or1k_implementation.num_gpr_regs = 32;
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or1k_implementation.has_counters = tmp & 4 == 1;
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/*!!! FINISH */
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/* Is implementation supported? */
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/* Is implementation supported? */
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/* First we should have system and debug groups implemented. */
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/* First we should have system and debug groups implemented. */
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if (or1k_implementation.VR & (1 << SPR_SYSTEM_GROUP) == 0)
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if (or1k_implementation.VR & (1 << SPR_SYSTEM_GROUP) == 0)
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error ("System group should be available in the or1k implementation.");
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error ("System group should be available in the or1k implementation.");
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if (or1k_implementation.VR & (1 << SPR_DEBUG_GROUP) == 0)
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if (or1k_implementation.VR & (1 << SPR_DEBUG_GROUP) == 0)
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error ("Debug group should be available in the or1k implementation.");
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error ("Debug group should be available in the or1k implementation.");
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if (or1k_implementation.has_counters)
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warning ("Counters not supported.");
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/* Delete break, watch, catch points. */
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/* Delete break, watch, catch points. */
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for(i = 0; i < NUM_MATCHPOINTS; i++)
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for(i = 0; i < NUM_MATCHPOINTS; i++)
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or1k_write_spr_reg (DCR0_SPRNUM + i, 0);
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or1k_write_spr_reg (DCR0_SPRNUM + i, 0);
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