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| author | Richard Henderson <richard.henderson@linaro.org> | 2019-08-26 15:10:10 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2019-09-04 12:58:55 -0700 |
| commit | a465772eea8fef59bef9a9fe424b1af4866991f5 (patch) | |
| tree | 67872aa23218d239cfbd37c28b538d3ae063ea1f /target/openrisc/sys_helper.c | |
| parent | 2b13b4b93dc924a139d7a9350cd13c2c9479d03b (diff) | |
| download | qemu-a465772eea8fef59bef9a9fe424b1af4866991f5.zip | |
target/openrisc: Implement move to/from FPCSR
Reviewed-by: Stafford Horne <shorne@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target/openrisc/sys_helper.c')
| -rw-r--r-- | target/openrisc/sys_helper.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/target/openrisc/sys_helper.c b/target/openrisc/sys_helper.c index cf8e637b08..d9fe6c5948 100644 --- a/target/openrisc/sys_helper.c +++ b/target/openrisc/sys_helper.c @@ -37,8 +37,10 @@ void HELPER(mtspr)(CPUOpenRISCState *env, target_ulong spr, target_ulong rb) CPUState *cs = env_cpu(env); target_ulong mr; int idx; +#endif switch (spr) { +#ifndef CONFIG_USER_ONLY case TO_SPR(0, 11): /* EVBAR */ env->evbar = rb; break; @@ -179,10 +181,12 @@ void HELPER(mtspr)(CPUOpenRISCState *env, target_ulong spr, target_ulong rb) } cpu_openrisc_timer_update(cpu); break; - default: +#endif + + case TO_SPR(0, 20): /* FPCSR */ + cpu_set_fpcsr(env, rb); break; } -#endif } target_ulong HELPER(mfspr)(CPUOpenRISCState *env, target_ulong rd, @@ -193,8 +197,10 @@ target_ulong HELPER(mfspr)(CPUOpenRISCState *env, target_ulong rd, OpenRISCCPU *cpu = env_archcpu(env); CPUState *cs = env_cpu(env); int idx; +#endif switch (spr) { +#ifndef CONFIG_USER_ONLY case TO_SPR(0, 0): /* VR */ return env->vr; @@ -303,11 +309,11 @@ target_ulong HELPER(mfspr)(CPUOpenRISCState *env, target_ulong rd, case TO_SPR(10, 1): /* TTCR */ cpu_openrisc_count_update(cpu); return cpu_openrisc_count_get(cpu); +#endif - default: - break; + case TO_SPR(0, 20): /* FPCSR */ + return env->fpcsr; } -#endif /* for rd is passed in, if rd unchanged, just keep it back. */ return rd; |