- corrected str91x bank1 programming issues

[openocd] / src / target / xscale.c

diff --git a/src/target/xscale.c b/src/target/xscale.c
index 59f1795e267d2d1f97df5ed8e07057d84605943e..baef5fe90ebe69d3329953b543cbda7eb66fdc8d 100644 (file)
--- a/src/target/xscale.c
+++ b/src/target/xscale.c
@@ -74,6 +74,7 @@ int xscale_write_core_reg(struct target_s *target, int num, enum armv4_5_mode mo
 int xscale_read_memory(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer);
 int xscale_write_memory(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer);
 int xscale_bulk_write_memory(target_t *target, u32 address, u32 count, u8 *buffer);
+int xscale_checksum_memory(struct target_s *target, u32 address, u32 count, u32* checksum);
 
 int xscale_add_breakpoint(struct target_s *target, breakpoint_t *breakpoint);
 int xscale_remove_breakpoint(struct target_s *target, breakpoint_t *breakpoint);
@@ -109,7 +110,8 @@ target_type_t xscale_target =
        .read_memory = xscale_read_memory,
        .write_memory = xscale_write_memory,
        .bulk_write_memory = xscale_bulk_write_memory,
-
+       .checksum_memory = xscale_checksum_memory,
+       
        .run_algorithm = armv4_5_run_algorithm,
        
        .add_breakpoint = xscale_add_breakpoint,
@@ -2035,6 +2037,11 @@ int xscale_bulk_write_memory(target_t *target, u32 address, u32 count, u8 *buffe
        return ERROR_OK;
 }
 
+int xscale_checksum_memory(struct target_s *target, u32 address, u32 count, u32* checksum)
+{
+       return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
+}
+
 u32 xscale_get_ttb(target_t *target)
 {
        armv4_5_common_t *armv4_5 = target->arch_info;
@@ -3440,6 +3447,19 @@ int xscale_handle_trace_buffer_command(struct command_context_s *cmd_ctx, char *
                xscale->trace.buffer_fill = -1;
        }
        
+       if (xscale->trace.buffer_enabled)
+       {
+               /* if we enable the trace buffer in fill-once
+                * mode we know the address of the first instruction */
+               xscale->trace.pc_ok = 1;
+               xscale->trace.current_pc = buf_get_u32(armv4_5->core_cache->reg_list[15].value, 0, 32);
+       }
+       else
+       {
+               /* otherwise the address is unknown, and we have no known good PC */
+               xscale->trace.pc_ok = 0;
+       }
+       
        command_print(cmd_ctx, "trace buffer %s (%s)", 
                (xscale->trace.buffer_enabled) ? "enabled" : "disabled",
                (xscale->trace.buffer_fill > 0) ? "fill" : "wrap");