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[PATCH v2 25/35] target/riscv: Only set TB flags with FP status if enabl
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From: |
Alistair Francis |
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Subject: |
[PATCH v2 25/35] target/riscv: Only set TB flags with FP status if enabled |
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Date: |
Fri, 31 Jan 2020 17:02:41 -0800 |
Signed-off-by: Alistair Francis <address@hidden>
---
target/riscv/cpu.h | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h
index 5b889a0065..aa04e5cca7 100644
--- a/target/riscv/cpu.h
+++ b/target/riscv/cpu.h
@@ -332,7 +332,10 @@ static inline void cpu_get_tb_cpu_state(CPURISCVState
*env, target_ulong *pc,
#ifdef CONFIG_USER_ONLY
*flags = TB_FLAGS_MSTATUS_FS;
#else
- *flags = cpu_mmu_index(env, 0) | (env->mstatus & MSTATUS_FS);
+ *flags = cpu_mmu_index(env, 0);
+ if (riscv_cpu_fp_enabled(env)) {
+ *flags |= env->mstatus & MSTATUS_FS;
+ }
#endif
}
--
2.25.0
- [PATCH v2 12/35] target/riscv: Add Hypervisor virtual CSRs accesses, (continued)
- [PATCH v2 12/35] target/riscv: Add Hypervisor virtual CSRs accesses, Alistair Francis, 2020/01/31
- [PATCH v2 13/35] target/riscv: Add Hypervisor machine CSRs accesses, Alistair Francis, 2020/01/31
- [PATCH v2 14/35] target/riscv: Add virtual register swapping function, Alistair Francis, 2020/01/31
- [PATCH v2 17/35] target/riscv: Extend the SIP CSR to support virtulisation, Alistair Francis, 2020/01/31
- [PATCH v2 15/35] target/riscv: Set VS bits in mideleg for Hyp extension, Alistair Francis, 2020/01/31
- [PATCH v2 16/35] target/riscv: Extend the MIE CSR to support virtulisation, Alistair Francis, 2020/01/31
- [PATCH v2 18/35] target/riscv: Add support for virtual interrupt setting, Alistair Francis, 2020/01/31
- [PATCH v2 21/35] target/riscv: Add hypvervisor trap support, Alistair Francis, 2020/01/31
- [PATCH v2 19/35] target/ricsv: Flush the TLB on virtulisation mode changes, Alistair Francis, 2020/01/31
- [PATCH v2 20/35] target/riscv: Generate illegal instruction on WFI when V=1, Alistair Francis, 2020/01/31
- [PATCH v2 25/35] target/riscv: Only set TB flags with FP status if enabled,
Alistair Francis <=
- [PATCH v2 22/35] target/riscv: Add Hypervisor trap return support, Alistair Francis, 2020/01/31
- [PATCH v2 24/35] target/riscv: Remove the hret instruction, Alistair Francis, 2020/01/31
- [PATCH v2 23/35] target/riscv: Add hfence instructions, Alistair Francis, 2020/01/31
- [PATCH v2 26/35] target/riscv: Disable guest FP support based on virtual status, Alistair Francis, 2020/01/31
- [PATCH v2 28/35] target/riscv: Respect MPRV and SPRV for floating point ops, Alistair Francis, 2020/01/31
- [PATCH v2 27/35] target/riscv: Mark both sstatus and msstatus_hs as dirty, Alistair Francis, 2020/01/31
- [PATCH v2 32/35] target/riscv: Set htval and mtval2 on execptions, Alistair Francis, 2020/01/31
- [PATCH v2 29/35] target/riscv: Allow specifying MMU stage, Alistair Francis, 2020/01/31
- [PATCH v2 30/35] target/riscv: Implement second stage MMU, Alistair Francis, 2020/01/31
- [PATCH v2 31/35] target/riscv: Raise the new execptions when 2nd stage translation fails, Alistair Francis, 2020/01/31