[Qemu-devel] [PATCH 06/10] i386: hvf: abort on decoding error

[Paolo Bonzini <pbonzini@redhat.com>]

Rather than unsupported situations, some VM_PANIC calls actually
are caused by internal errors.  Convert them to just abort.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 target/i386/hvf/hvf.c     |  2 +-
 target/i386/hvf/x86_emu.c | 10 ++++------
 2 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/target/i386/hvf/hvf.c b/target/i386/hvf/hvf.c
index ae3ecad2a4..f2dc37d826 100644
--- a/target/i386/hvf/hvf.c
+++ b/target/i386/hvf/hvf.c
@@ -767,7 +767,7 @@ int hvf_vcpu_exec(CPUState *cpu)
             env->hvf_emul->fetch_rip = rip;
 
             decode_instruction(env, &decode);
-            VM_PANIC_ON(ins_len != decode.len);
+            assert(ins_len == decode.len);
             exec_instruction(env, &decode);
             store_regs(cpu);
 
diff --git a/target/i386/hvf/x86_emu.c b/target/i386/hvf/x86_emu.c
index 3a995fe687..63c2b5a54d 100644
--- a/target/i386/hvf/x86_emu.c
+++ b/target/i386/hvf/x86_emu.c
@@ -146,7 +146,7 @@ addr_t read_reg(CPUX86State *env, int reg, int size)
     case 8:
         return env->hvf_emul->regs[reg].rrx;
     default:
-        VM_PANIC_ON("read_reg size");
+        abort();
     }
     return 0;
 }
@@ -167,7 +167,7 @@ void write_reg(CPUX86State *env, int reg, addr_t val, int size)
         env->hvf_emul->regs[reg].rrx = val;
         break;
     default:
-        VM_PANIC_ON("write_reg size");
+        abort();
     }
 }
 
@@ -189,8 +189,7 @@ addr_t read_val_from_reg(addr_t reg_ptr, int size)
         val = *(uint64_t *)reg_ptr;
         break;
     default:
-        VM_PANIC_ON_EX(1, "read_val: Unknown size %d\n", size);
-        break;
+        abort();
     }
     return val;
 }
@@ -211,8 +210,7 @@ void write_val_to_reg(addr_t reg_ptr, addr_t val, int size)
         *(uint64_t *)reg_ptr = val;
         break;
     default:
-        VM_PANIC("write_val: Unknown size\n");
-        break;
+        abort();
     }
 }
 
-- 
2.13.6