X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=src%2Ftarget%2Fxscale.c;h=baef5fe90ebe69d3329953b543cbda7eb66fdc8d;hb=89d0e422c9698dd9a1fcbd7d4b6c8490633b0029;hp=59f1795e267d2d1f97df5ed8e07057d84605943e;hpb=0eb8621bf2a27191fbfb66159a0927ab6820800f;p=openocd

diff --git a/src/target/xscale.c b/src/target/xscale.c
index 59f1795e..baef5fe9 100644
--- 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");