added target->type->examine(). Eventually this will allow for bringing up telnet...

[openocd] / src / target / embeddedice.h

diff --git a/src/target/embeddedice.h b/src/target/embeddedice.h
index 9915e49b27241fe2ff9ccd2d7e10d83fb5174ba6..20cf2b4e7238d0915dd693d339ca59fc26328aad 100644 (file)
--- a/src/target/embeddedice.h
+++ b/src/target/embeddedice.h
@@ -101,4 +101,70 @@ extern int embeddedice_receive(arm_jtag_t *jtag_info, u32 *data, u32 size);
 extern int embeddedice_send(arm_jtag_t *jtag_info, u32 *data, u32 size);
 extern int embeddedice_handshake(arm_jtag_t *jtag_info, int hsbit, u32 timeout);
 
+/* If many embeddedice_write_reg() follow eachother, then the >1 invocations can be this faster version of 
+ * embeddedice_write_reg
+ */
+static __inline__ void embeddedice_write_reg_inner(int chain_pos, int reg_addr, u32 value)
+{
+#if 1
+       u32 values[3];
+       int num_bits[3];
+       
+       values[0]=value;
+       num_bits[0]=32;
+       values[1]=reg_addr;
+       num_bits[1]=5;
+       values[2]=1;
+       num_bits[2]=1;
+       
+       jtag_add_dr_out(chain_pos, 
+                       3,
+                       num_bits,
+                       values,
+                       -1);
+#else
+       scan_field_t fields[3];
+       u8 field0_out[4];
+       u8 field1_out[1];
+       u8 field2_out[1];
+
+       fields[0].device = ice_reg->jtag_info->chain_pos;
+       fields[0].num_bits = 32;
+       fields[0].out_value = field0_out;
+       buf_set_u32(fields[0].out_value, 0, 32, value);
+       fields[0].out_mask = NULL;
+       fields[0].in_value = NULL;
+       fields[0].in_check_value = NULL;
+       fields[0].in_check_mask = NULL;
+       fields[0].in_handler = NULL;
+       fields[0].in_handler_priv = NULL;
+       
+       fields[1].device = ice_reg->jtag_info->chain_pos;
+       fields[1].num_bits = 5;
+       fields[1].out_value = field1_out;
+       buf_set_u32(fields[1].out_value, 0, 5, reg_addr);
+       fields[1].out_mask = NULL;
+       fields[1].in_value = NULL;
+       fields[1].in_check_value = NULL;
+       fields[1].in_check_mask = NULL;
+       fields[1].in_handler = NULL;
+       fields[1].in_handler_priv = NULL;
+
+       fields[2].device = ice_reg->jtag_info->chain_pos;
+       fields[2].num_bits = 1;
+       fields[2].out_value = field2_out;
+       buf_set_u32(fields[2].out_value, 0, 1, 1);
+       fields[2].out_mask = NULL;
+       fields[2].in_value = NULL;
+       fields[2].in_check_value = NULL;
+       fields[2].in_check_mask = NULL;
+       fields[2].in_handler = NULL;
+       fields[2].in_handler_priv = NULL;
+       
+       jtag_add_dr_scan(3, fields, -1);
+       
+#endif
+}
+
+
 #endif /* EMBEDDED_ICE_H */