debug: Add Openocd.set_available() #508
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GregSavin
approved these changes
Sep 28, 2023
| available_mask = 0 | ||
| for hart in harts: | ||
| available_mask |= 1 << hart.id | ||
| self.command(f"riscv dmi_write 0x1f 0x{available_mask:x}") |
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So, 0x1F in this context isn't a JTAG IR value (bypass), it's a DMI address ("custom"), which Spike implements "unavailable" control.
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Yes. I should probably add a comment explaining that.
This helper uses dmi_write commands to mark harts available/unavailable.
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This helper uses dmi_write commands to mark harts
available/unavailable.