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target/riscv: debug: Introduce tinfo CSR

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tinfo.info:
  One bit for each possible type enumerated in tdata1.
  If the bit is set, then that type is supported by the currently
  selected trigger.

Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
Message-Id: <20220909134215.1843865-6-bmeng.cn@gmail.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Frank Chang 2022-09-09 21:42:12 +08:00 • committed by Alistair Francis
parent 6ea8d3fc40
commit 31b9798d82
4 changed files with 18 additions and 3 deletions
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1
target/riscv/cpu_bits.h
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@ -319,6 +319,7 @@
#define CSR_TDATA1 0x7a1
#define CSR_TDATA2 0x7a2
#define CSR_TDATA3 0x7a3
#define CSR_TINFO 0x7a4
/* Debug Mode Registers */
#define CSR_DCSR 0x7b0