armv7m: Report no-coprocessor faults correctly

For v7M attempts to access a nonexistent coprocessor are reported
differently from plain undefined instructions (as UsageFaults of type
NOCP rather than type UNDEFINSTR).  Split them out into a new
EXCP_NOCP so we can report the FSR value correctly.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 1485285380-10565-8-git-send-email-peter.maydell@linaro.org

1 files changed, 1 insertions, 0 deletions

diff --git a/linux-user/main.c b/linux-user/main.c
index f5c8557..3004958 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -573,6 +573,7 @@ void cpu_loop(CPUARMState *env)
 
         switch(trapnr) {
         case EXCP_UDEF:
+        case EXCP_NOCP:
             {
                 TaskState *ts = cs->opaque;
                 uint32_t opcode;