disas: Remove monitor_disas_is_physical

Even though there is only one monitor, and thus no race on this
global data object, there is also no point in having it.  We can
just as well record the decision in the read_memory_function that
we select.

Tested-by: Philippe Mathieu-Daudé <[email protected]>
Reviewed-by: Philippe Mathieu-Daudé <[email protected]>
Reviewed-by: Alex Bennée <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>

disas.c

@@ -512,19 +512,11 @@ const char *lookup_symbol(target_ulong orig_addr)
 
 #include "monitor/monitor.h"
 
-static int monitor_disas_is_physical;
-
 static int
-monitor_read_memory (bfd_vma memaddr, bfd_byte *myaddr, int length,
+physical_read_memory(bfd_vma memaddr, bfd_byte *myaddr, int length,
                      struct disassemble_info *info)
 {
-    CPUDebug *s = container_of(info, CPUDebug, info);
-
-    if (monitor_disas_is_physical) {
-        cpu_physical_memory_read(memaddr, myaddr, length);
-    } else {
-        cpu_memory_rw_debug(s->cpu, memaddr, myaddr, length, 0);
-    }
+    cpu_physical_memory_read(memaddr, myaddr, length);
     return 0;
 }
 
@@ -539,8 +531,8 @@ void monitor_disas(Monitor *mon, CPUState *cpu,
     INIT_DISASSEMBLE_INFO(s.info, (FILE *)mon, monitor_fprintf);
 
     s.cpu = cpu;
-    monitor_disas_is_physical = is_physical;
-    s.info.read_memory_func = monitor_read_memory;
+    s.info.read_memory_func
+        = (is_physical ? physical_read_memory : target_read_memory);
     s.info.print_address_func = generic_print_address;
     s.info.buffer_vma = pc;
     s.info.cap_arch = -1;