saimaa: log DFAR/IFSR/DFSR in vec trap

2026-09-13 00:07:29 +00:00
parent 62f32be733
commit 1e271b6d53
1 changed files with 9 additions and 0 deletions
@@ -193,9 +193,18 @@ static uint64_t saimaa_vec_read(void *opaque, hwaddr off, unsigned size)
        ARMCPU *cpu = ARM_CPU(current_cpu);
        uint64_t pc = cpu ? cpu->env.regs[15] : 0;
        int th = cpu ? cpu->env.thumb : 0;
+        uint32_t dfar = 0, ifsr = 0, dfsr = 0;
+        if (cpu) {
+            /* CP15 DFAR/IFSR/DFSR for abort diagnosis */
+            dfar = cpu->env.cp15.c6_data;
+            ifsr = cpu->env.cp15.c6_insn;
+            dfsr = cpu->env.cp15.c5_data;
+        }
        fprintf(stderr, "saimaa-vec: %s off=0x%x pc=0x%lx",
                size == 2 ? "fetch?" : "read",
                (unsigned)off, (unsigned long)pc - (th ? 4 : 8));
+        fprintf(stderr, " DFAR=0x%x IFSR=0x%x DFSR=0x%x", dfar, ifsr,
+                dfsr);
        if (cpu) {
            int b, r;
            fprintf(stderr, " regs=");