diff mbox series

[2/3] target/arm: Dump ZA[] when active

Message ID 20230228003713.861168-3-richard.henderson@linaro.org
State New
Headers show
Series target/arm: dump and gdbstub support for ZA[] | expand

Commit Message

Richard Henderson Feb. 28, 2023, 12:37 a.m. UTC 
Always print each matrix row whole, one per line, so that we
get the entire matrix in the proper shape.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/arm/cpu.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

Comments

Peter Maydell March 6, 2023, 12:36 p.m. UTC | #1 
On Tue, 28 Feb 2023 at 00:37, Richard Henderson
<richard.henderson@linaro.org> wrote:
>
> Always print each matrix row whole, one per line, so that we
> get the entire matrix in the proper shape.
>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>

thanks
-- PMM
diff mbox series

Patch

diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index f1f454e7a0..0e54e19b05 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -1080,6 +1080,24 @@  static void aarch64_cpu_dump_state(CPUState *cs, FILE *f, int flags)
                          i, q[1], q[0], (i & 1 ? "\n" : " "));
         }
     }
+
+    if (cpu_isar_feature(aa64_sme, cpu) &&
+        FIELD_EX64(env->svcr, SVCR, ZA) &&
+        sme_exception_el(env, el) == 0) {
+        int zcr_len = sve_vqm1_for_el_sm(env, el, true);
+        int svl = (zcr_len + 1) * 16;
+        int svl_lg10 = svl < 100 ? 2 : 3;
+
+        for (i = 0; i < svl; i++) {
+            qemu_fprintf(f, "ZA[%0*d]=", svl_lg10, i);
+            for (j = zcr_len; j >= 0; --j) {
+                qemu_fprintf(f, "%016" PRIx64 ":%016" PRIx64 "%c",
+                             env->zarray[i].d[2 * j + 1],
+                             env->zarray[i].d[2 * j],
+                             j ? ':' : '\n');
+            }
+        }
+    }
 }
 
 #else