| Line 1224... |
Line 1224... |
/*!Trace the current instr to output
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/*!Trace the current instr to output
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This is a simpler form of disassemble_memory for GDB instruction tracing.
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This is a simpler form of disassemble_memory for GDB instruction tracing.
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Output format is symbolic disassembly, one instruction per line. Start each
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Output format is symbolic disassembly, one instruction per line. Start each
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line with its hex address. At the end print the value of any destination
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line with a flag to indicate supervisor or user mode then its hex address
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register, the flag and the number of cycles executed.
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(physical and/or virtual in that order). At the end print the value of any
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destination register, the flag and the number of cycles executed.
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There are all sorts of ways to trip this up, but they are unlikely. The
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There are all sorts of ways to trip this up, but they are unlikely. The
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validity of a memory area is taken from the address of the start of a line
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validity of a memory area is taken from the address of the start of a line
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to be printed, so assumes the following 3 bytes are present. This could be
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to be printed, so assumes the following 3 bytes are present. This could be
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fooled by ridiculous memory declarations.
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fooled by ridiculous memory declarations.
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@param[in] addr Address of the instruction to trace */
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@param[in] phyaddr Physical address of the instruction to trace
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@param[in] virtaddr Virtual address of the instruction to trace
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@param[in] insn The instruction just fetched and possibly executed. */
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/*---------------------------------------------------------------------------*/
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/*---------------------------------------------------------------------------*/
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void
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void
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disassemble_instr (oraddr_t addr)
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disassemble_instr (oraddr_t phyaddr,
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oraddr_t virtaddr,
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uint32_t insn)
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{
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{
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PRINTF ("%" PRIxADDR ": ", addr);
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/* Log whether we are supervisor mode */
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printf ("%c ",
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(SPR_SR_SM == (cpu_state.sprs[SPR_SR] & SPR_SR_SM)) ? 'S' : 'U');
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if (verify_memoryarea (addr))
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/* The address */
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if (runtime.sim.trace_phy)
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{
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{
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uint32_t insn = eval_direct32 (addr, 0, 0);
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PRINTF ("%" PRIxADDR ": ", phyaddr);
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}
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if (runtime.sim.trace_virt)
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{
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PRINTF ("%" PRIxADDR ": ", virtaddr);
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}
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/* The instruction details */
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int index = or1ksim_insn_decode (insn);
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int index = or1ksim_insn_decode (insn);
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PRINTF ("%08" PRIx32 " ", insn);
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PRINTF ("%08" PRIx32 " ", insn);
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if (index >= 0)
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if (index >= 0)
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| Line 1307... |
Line 1323... |
}
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}
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else
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else
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{
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{
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PRINTF ("<invalid>\n");
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PRINTF ("<invalid>\n");
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}
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}
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}
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else
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{
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/* Not a valid memory area. Print Xs as required */
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PRINTF ("XXXXXXXX\n");
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}
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} /* disassemble_instr() */
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} /* disassemble_instr() */
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/* Closes files, etc. */
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/* Closes files, etc. */
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