Merge remote-tracking branch 'remotes/xtensa/tags/20170606-xtensa' into staging

target/xtensa fixes:

- fix read/write simcall mapping flags and return value;
- use -serial option to direct console output of sim machine to QEMU chardev;
- fix handling of unknown registers in the gdbstub.

# gpg: Signature made Tue 06 Jun 2017 11:46:05 BST
# gpg:                using RSA key 0x51F9CC91F83FA044
# gpg: Good signature from "Max Filippov <filippov@cadence.com>"
# gpg:                 aka "Max Filippov <max.filippov@cogentembedded.com>"
# gpg:                 aka "Max Filippov <jcmvbkbc@gmail.com>"
# Primary key fingerprint: 2B67 854B 98E5 327D CDEB  17D8 51F9 CC91 F83F A044

* remotes/xtensa/tags/20170606-xtensa:
  target/xtensa: handle unknown registers in gdbstub
  target/xtensa: support output to chardev console
  target/xtensa: fix return value of read/write simcalls
  target/xtensa: fix mapping direction in read/write simcalls

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/hw/xtensa/sim.c b/hw/xtensa/sim.c
index b27e28d802..5521e9184a 100644
--- a/hw/xtensa/sim.c
+++ b/hw/xtensa/sim.c
@@ -114,6 +114,9 @@ static void xtensa_sim_init(MachineState *machine)
         xtensa_create_memory_regions(&sysram, "xtensa.sysram");
     }
 
+    if (serial_hds[0]) {
+        xtensa_sim_open_console(serial_hds[0]);
+    }
     if (kernel_filename) {
         uint64_t elf_entry;
         uint64_t elf_lowaddr;
@@ -136,6 +139,7 @@ static void xtensa_sim_machine_init(MachineClass *mc)
     mc->is_default = true;
     mc->init = xtensa_sim_init;
     mc->max_cpus = 4;
+    mc->no_serial = 1;
 }
 
 DEFINE_MACHINE("sim", xtensa_sim_machine_init)