nds32: modify nds commands implementation

Modify handle_nds32_memory_access_command: do not use DCache
setting to block user's setting.

Change-Id: I2d33f893773e2a2e3e2f26edde5938ef5902609d
Signed-off-by: Hsiangkai Wang <hsiangkai@gmail.com>
Reviewed-on: http://openocd.zylin.com/1579
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>

diff --git a/src/target/nds32_cmd.c b/src/target/nds32_cmd.c
index 3f243700f0cedaee746fb821c73b80e68bab827d..08923643c3c1bd5da5ef9ae9152181b5e5b85bff 100644 (file)
--- a/src/target/nds32_cmd.c
+++ b/src/target/nds32_cmd.c
@@ -69,6 +69,7 @@ COMMAND_HANDLER(handle_nds32_memory_access_command)
        struct target *target = get_current_target(CMD_CTX);
        struct nds32 *nds32 = target_to_nds32(target);
        struct aice_port_s *aice = target_to_aice(target);
+       struct nds32_memory *memory = &(nds32->memory);
 
        if (!is_nds32(nds32)) {
                command_print(CMD_CTX, "current target isn't an Andes core");
@@ -76,33 +77,22 @@ COMMAND_HANDLER(handle_nds32_memory_access_command)
        }
 
        if (CMD_ARGC > 0) {
-
-               /* If target has no cache, always use BUS mode
-                * to access memory. */
-               struct nds32_memory *memory = &(nds32->memory);
-
-               if (memory->dcache.line_size == 0) {
-                       /* There is no Dcache. */
-                       nds32->memory.access_channel = NDS_MEMORY_ACC_BUS;
-               } else if (memory->dcache.enable == false) {
-                       /* Dcache is disabled. */
-                       nds32->memory.access_channel = NDS_MEMORY_ACC_BUS;
-               } else {
-                       /* There is Dcache and Dcache is enabled. */
-                       if (strcmp(CMD_ARGV[0], "bus") == 0)
-                               nds32->memory.access_channel = NDS_MEMORY_ACC_BUS;
-                       else if (strcmp(CMD_ARGV[0], "cpu") == 0)
-                               nds32->memory.access_channel = NDS_MEMORY_ACC_CPU;
-                       else /* default access channel is NDS_MEMORY_ACC_CPU */
-                               nds32->memory.access_channel = NDS_MEMORY_ACC_CPU;
-               }
-
-               aice_memory_access(aice, nds32->memory.access_channel);
+               if (strcmp(CMD_ARGV[0], "bus") == 0)
+                       memory->access_channel = NDS_MEMORY_ACC_BUS;
+               else if (strcmp(CMD_ARGV[0], "cpu") == 0)
+                       memory->access_channel = NDS_MEMORY_ACC_CPU;
+               else /* default access channel is NDS_MEMORY_ACC_CPU */
+                       memory->access_channel = NDS_MEMORY_ACC_CPU;
+
+               LOG_DEBUG("memory access channel is changed to %s",
+                               NDS_MEMORY_ACCESS_NAME[memory->access_channel]);
+
+               aice_memory_access(aice, memory->access_channel);
+       } else {
+               command_print(CMD_CTX, "memory access channel: %s",
+                               NDS_MEMORY_ACCESS_NAME[memory->access_channel]);
        }
 
-       command_print(CMD_CTX, "memory access channel: %s",
-                       NDS_MEMORY_ACCESS_NAME[nds32->memory.access_channel]);
-
        return ERROR_OK;
 }