35 lines
1.1 KiB
Python
35 lines
1.1 KiB
Python
import machine
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from mmio import *
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trapcode = [
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"normal",
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"illegal rs1",
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"illegal rs2",
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"misalligned word",
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"misalligned halfword",
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"misalligned instruction",
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"ebreak",
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]
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reg_names = [
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"zero", "ra", "sp", "gp", "tp", "t0", "t1", "t2", "s0", "t1", "t2",
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"s0/fp", "s1", "a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7", "s2",
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"s3", "s4", "s5", "s6", "s7", "t3", "t4", "t5", "t6",
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]
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def u(n):
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# Converts possibly signed number to unsigned 32 bit.
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return hex(n & 0xFFFFFFFF)
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def dump():
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print("Running:", "yes" if machine.mem32[pico0_enable] else "no")
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print("Trap status:", trapcode[machine.mem32[pico0_trap]])
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print("Bus address:", u(machine.mem32[pico0_d_adr]))
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print("Bus write value:", u(machine.mem32[pico0_d_dat_w]))
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print("Instruction address:", u(machine.mem32[pico0_dbg_insn_addr]))
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print("Opcode:", u(machine.mem32[pico0_dbg_insn_opcode]))
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# Skip the zero register, since it's always zero.
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for num, name in enumerate(reg_names[1:],start=1):
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print(name + ":", u(machine.mem32[pico0_dbg_reg + 0x4*num]))
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