From ecfc1e39a2621cf3f2d2c67841cc31cb670326c0 Mon Sep 17 00:00:00 2001 From: drath Date: Tue, 21 Aug 2007 16:21:05 +0000 Subject: - correctly initialize start address for XScale trace buffer decodes in fill-once mode git-svn-id: svn://svn.berlios.de/openocd/trunk@202 b42882b7-edfa-0310-969c-e2dbd0fdcd60 --- src/target/xscale.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'src/target/xscale.c') diff --git a/src/target/xscale.c b/src/target/xscale.c index 59f1795e..b207dbb2 100644 --- a/src/target/xscale.c +++ b/src/target/xscale.c @@ -3440,6 +3440,19 @@ 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"); -- cgit v1.2.3