arm11: check if target is halted before executing mrc/mcr commands.

Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>

diff --git a/src/target/arm11.c b/src/target/arm11.c
index f1e062adf86d0f8bd9a5f51cb538fb4e4fec6fb8..5411b04dc532639e790c2d88f0df551f649e6224 100644 (file)
--- a/src/target/arm11.c
+++ b/src/target/arm11.c
@@ -2201,6 +2201,13 @@ int arm11_handle_mcr(struct command_context_s *cmd_ctx, char *cmd, char **args,
 static int arm11_mrc_inner(target_t *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t *value, bool read)
 {
        int retval;
+       
+       if (target->state != TARGET_HALTED)
+       {
+               LOG_ERROR("Target not halted");
+               return ERROR_FAIL;
+       }
+               
        arm11_common_t * arm11 = target->arch_info;
 
        uint32_t instr = 0xEE000010     |