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saimaa: vec trap dumps banked LR/SPSR for fault PC

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SashegDev
2026-09-11 06:09:24 +00:00
parent d803c90903
commit c6fba11bc4
1 changed files with 10 additions and 1 deletions
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qemu/saimaa.c
+10 -1
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@@ -108,9 +108,18 @@ static uint64_t saimaa_vec_read(void *opaque, hwaddr off, unsigned size)
ARMCPU *cpu = ARM_CPU(current_cpu); ARMCPU *cpu = ARM_CPU(current_cpu);
uint64_t pc = cpu ? cpu->env.regs[15] : 0; uint64_t pc = cpu ? cpu->env.regs[15] : 0;
int th = cpu ? cpu->env.thumb : 0; int th = cpu ? cpu->env.thumb : 0;
fprintf(stderr, "saimaa-vec: %s off=0x%x pc=0x%lx\n", fprintf(stderr, "saimaa-vec: %s off=0x%x pc=0x%lx",
size == 2 ? "fetch?" : "read", size == 2 ? "fetch?" : "read",
(unsigned)off, (unsigned long)pc - (th ? 4 : 8)); (unsigned)off, (unsigned long)pc - (th ? 4 : 8));
if (cpu) {
int b;
fprintf(stderr, " lr14=0x%x spsr=0x%x banks14=",
cpu->env.regs[14], cpu->env.spsr);
for (b = 0; b < 8; b++) {
fprintf(stderr, "%x,", cpu->env.banked_r14[b]);
}
}
fprintf(stderr, "\n");
saimaa_vec_n++; saimaa_vec_n++;
} }
/* BKPT at exception vectors: data/prefetch abort fetch traps to gdb */ /* BKPT at exception vectors: data/prefetch abort fetch traps to gdb */