diff options
Diffstat (limited to 'target/arm/cpu.c')
-rw-r--r-- | target/arm/cpu.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/target/arm/cpu.c b/target/arm/cpu.c index a8cfd9d0f5..81448caf18 100644 --- a/target/arm/cpu.c +++ b/target/arm/cpu.c @@ -446,6 +446,21 @@ print_insn_thumb1(bfd_vma pc, disassemble_info *info) return print_insn_arm(pc | 1, info); } +static int arm_read_memory_func(bfd_vma memaddr, bfd_byte *b, + int length, struct disassemble_info *info) +{ + assert(info->read_memory_inner_func); + assert((info->flags & INSN_ARM_BE32) == 0 || length == 2 || length == 4); + + if ((info->flags & INSN_ARM_BE32) != 0 && length == 2) { + assert(info->endian == BFD_ENDIAN_LITTLE); + return info->read_memory_inner_func(memaddr ^ 2, (bfd_byte *)b, 2, + info); + } else { + return info->read_memory_inner_func(memaddr, b, length, info); + } +} + static void arm_disas_set_info(CPUState *cpu, disassemble_info *info) { ARMCPU *ac = ARM_CPU(cpu); @@ -471,6 +486,14 @@ static void arm_disas_set_info(CPUState *cpu, disassemble_info *info) info->endian = BFD_ENDIAN_BIG; #endif } + if (info->read_memory_inner_func == NULL) { + info->read_memory_inner_func = info->read_memory_func; + info->read_memory_func = arm_read_memory_func; + } + info->flags &= ~INSN_ARM_BE32; + if (arm_sctlr_b(env)) { + info->flags |= INSN_ARM_BE32; + } } static void arm_cpu_initfn(Object *obj) |