nds32: support Andes profiling function

[openocd.git] / src / target / nds32.c

diff --git a/src/target/nds32.c b/src/target/nds32.c
index 11bb01d09712411e1607f036b4f1074462345496..49fde0c9abb2c7b89172255fc0d0682b39a4f5d6 100644 (file)
--- a/src/target/nds32.c
+++ b/src/target/nds32.c
@@ -2455,6 +2455,25 @@ int nds32_gdb_fileio_end(struct target *target, int retcode, int fileio_errno, b
        return ERROR_OK;
 }
 
+int nds32_profiling(struct target *target, uint32_t *samples,
+                       uint32_t max_num_samples, uint32_t *num_samples, uint32_t seconds)
+{
+       /* sample $PC every 10 milliseconds */
+       uint32_t iteration = seconds * 100;
+       struct aice_port_s *aice = target_to_aice(target);
+       struct nds32 *nds32 = target_to_nds32(target);
+
+       if (max_num_samples < iteration)
+               iteration = max_num_samples;
+
+       int pc_regnum = nds32->register_map(nds32, PC);
+       aice->port->api->profiling(10, iteration, pc_regnum, samples, num_samples);
+
+       register_cache_invalidate(nds32->core_cache);
+
+       return ERROR_OK;
+}
+
 int nds32_gdb_fileio_write_memory(struct nds32 *nds32, uint32_t address,
                uint32_t size, const uint8_t *buffer)
 {