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Diffstat (limited to 'target/arm/cpu.c')
-rw-r--r--target/arm/cpu.c23
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)