disas: Use translator_st to get disassembly data

Read from already translated pages, or saved mmio data.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 15 insertions, 0 deletions

diff --git a/disas/disas-mon.c b/disas/disas-mon.c
index 5d6d9aa02d..37bf16ac79 100644
--- a/disas/disas-mon.c
+++ b/disas/disas-mon.c
@@ -11,6 +11,19 @@
 #include "hw/core/cpu.h"
 #include "monitor/monitor.h"
 
+/*
+ * Get LENGTH bytes from info's buffer, at target address memaddr.
+ * Transfer them to myaddr.
+ */
+static int
+virtual_read_memory(bfd_vma memaddr, bfd_byte *myaddr, int length,
+                    struct disassemble_info *info)
+{
+    CPUDebug *s = container_of(info, CPUDebug, info);
+    int r = cpu_memory_rw_debug(s->cpu, memaddr, myaddr, length, 0);
+    return r ? EIO : 0;
+}
+
 static int
 physical_read_memory(bfd_vma memaddr, bfd_byte *myaddr, int length,
                      struct disassemble_info *info)
@@ -38,6 +51,8 @@ void monitor_disas(Monitor *mon, CPUState *cpu, uint64_t pc,
 
     if (is_physical) {
         s.info.read_memory_func = physical_read_memory;
+    } else {
+        s.info.read_memory_func = virtual_read_memory;
     }
     s.info.buffer_vma = pc;