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Diffstat (limited to 'gas/ChangeLog')
| -rw-r--r-- | gas/ChangeLog | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index 643f8c7..d472353 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,5 +1,20 @@ 2020-02-20 Nelson Chu <nelson.chu@sifive.com> + * config/tc-riscv.c (riscv_ip): New boolean insn_with_csr to indicate + we are assembling instruction with CSR. Call riscv_csr_read_only_check + after parsing all arguments. + (enum csr_insn_type): New enum is used to classify the CSR instruction. + (riscv_csr_insn_type, riscv_csr_read_only_check): New functions. These + are used to check if we write a read-only CSR by the CSR instruction. + * testsuite/gas/riscv/priv-reg-fail-read-only-01.s: New testcase. Test + all CSR for the read-only CSR checking. + * testsuite/gas/riscv/priv-reg-fail-read-only-01.d: Likewise. + * testsuite/gas/riscv/priv-reg-fail-read-only-01.l: Likewise. + * testsuite/gas/riscv/priv-reg-fail-read-only-02.s: New testcase. Test + all CSR instructions for the read-only CSR checking. + * testsuite/gas/riscv/priv-reg-fail-read-only-02.d: Likewise. + * testsuite/gas/riscv/priv-reg-fail-read-only-02.l: Likewise. + * config/tc-riscv.c (struct riscv_set_options): New field csr_check. (riscv_opts): Initialize it. (reg_lookup_internal): Check the `riscv_opts.csr_check` |