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X-BeenThere: opensbi@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "opensbi" Errors-To: opensbi-bounces+opensbi=archiver.kernel.org@lists.infradead.org According to Privileged ISA 19.2.11: Modifying the floating-point state when V=1 causes both fields (vsstatus.FS and the HS-level sstatus.FS) to be set to 3 (Dirty) Fixes: 130e65dd9d44 ("lib: sbi: Implement SET_FS_DIRTY() to make sure the mstatus FS dirty is set") Signed-off-by: Bo Gan Reviewed-by: Anup Patel --- include/sbi/riscv_fp.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/include/sbi/riscv_fp.h b/include/sbi/riscv_fp.h index 03011af9..ff1dbc87 100644 --- a/include/sbi/riscv_fp.h +++ b/include/sbi/riscv_fp.h @@ -83,7 +83,11 @@ #define GET_FFLAGS() csr_read(CSR_FFLAGS) #define SET_FFLAGS(value) csr_write(CSR_FFLAGS, (value)) -#define SET_FS_DIRTY(regs) (regs->mstatus |= MSTATUS_FS) +#define SET_FS_DIRTY(regs) do { \ + if (sbi_regs_from_virt(regs)) \ + csr_set(CSR_VSSTATUS, MSTATUS_FS); \ + regs->mstatus |= MSTATUS_FS; \ +} while(0) #define GET_F32_RS1(insn, regs) (GET_F32_REG(insn, 15, regs)) #define GET_F32_RS2(insn, regs) (GET_F32_REG(insn, 20, regs)) -- 2.34.1 -- opensbi mailing list opensbi@lists.infradead.org http://lists.infradead.org/mailman/listinfo/opensbi