diff mbox series

[v4,3/5] target/sparc: Add FSR_QNE to tb_flags

Message ID 20240909180712.651651-4-richard.henderson@linaro.org
State Superseded
Headers show
Series target/sparc: emulate floating point queue when raising fp traps | expand

Commit Message

Richard Henderson Sept. 9, 2024, 6:07 p.m. UTC 
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/sparc/cpu.h       |  8 +++++++-
 target/sparc/translate.c | 10 +++++++---
 2 files changed, 14 insertions(+), 4 deletions(-)

Comments

Philippe Mathieu-Daudé Sept. 9, 2024, 9:57 p.m. UTC | #1 
On 9/9/24 20:07, Richard Henderson wrote:
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>   target/sparc/cpu.h       |  8 +++++++-
>   target/sparc/translate.c | 10 +++++++---
>   2 files changed, 14 insertions(+), 4 deletions(-)

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
diff mbox series

Patch

diff --git a/target/sparc/cpu.h b/target/sparc/cpu.h
index 9f2bc44722..f517e5a383 100644
--- a/target/sparc/cpu.h
+++ b/target/sparc/cpu.h
@@ -744,6 +744,7 @@  trap_state* cpu_tsptr(CPUSPARCState* env);
 #define TB_FLAG_AM_ENABLED   (1 << 5)
 #define TB_FLAG_SUPER        (1 << 6)
 #define TB_FLAG_HYPER        (1 << 7)
+#define TB_FLAG_FSR_QNE      (1 << 8)
 #define TB_FLAG_ASI_SHIFT    24
 
 static inline void cpu_get_tb_cpu_state(CPUSPARCState *env, vaddr *pc,
@@ -775,7 +776,12 @@  static inline void cpu_get_tb_cpu_state(CPUSPARCState *env, vaddr *pc,
     if (env->psref) {
         flags |= TB_FLAG_FPU_ENABLED;
     }
-#endif
+#ifndef CONFIG_USER_ONLY
+    if (env->fsr_qne) {
+        flags |= TB_FLAG_FSR_QNE;
+    }
+#endif /* !CONFIG_USER_ONLY */
+#endif /* TARGET_SPARC64 */
     *pflags = flags;
 }
 
diff --git a/target/sparc/translate.c b/target/sparc/translate.c
index c803e8d1ba..eb0158a11d 100644
--- a/target/sparc/translate.c
+++ b/target/sparc/translate.c
@@ -185,6 +185,8 @@  typedef struct DisasContext {
     bool supervisor;
 #ifdef TARGET_SPARC64
     bool hypervisor;
+#else
+    bool fsr_qne;
 #endif
 #endif
 
@@ -5596,13 +5598,15 @@  static void sparc_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs)
     dc->address_mask_32bit = tb_am_enabled(dc->base.tb->flags);
 #ifndef CONFIG_USER_ONLY
     dc->supervisor = (dc->base.tb->flags & TB_FLAG_SUPER) != 0;
+# ifdef TARGET_SPARC64
+    dc->hypervisor = (dc->base.tb->flags & TB_FLAG_HYPER) != 0;
+# else
+    dc->fsr_qne = (dc->base.tb->flags & TB_FLAG_FSR_QNE) != 0;
+# endif
 #endif
 #ifdef TARGET_SPARC64
     dc->fprs_dirty = 0;
     dc->asi = (dc->base.tb->flags >> TB_FLAG_ASI_SHIFT) & 0xff;
-#ifndef CONFIG_USER_ONLY
-    dc->hypervisor = (dc->base.tb->flags & TB_FLAG_HYPER) != 0;
-#endif
 #endif
     /*
      * if we reach a page boundary, we stop generation so that the