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author | Paul Fertser <fercerpav@gmail.com> | 2015-02-09 17:04:52 +0300 |
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committer | Spencer Oliver <spen@spen-soft.co.uk> | 2015-03-25 20:46:43 +0000 |
commit | a09a75653dbe7ad99da6349285ab6622b80fdc15 (patch) | |
tree | b8e759d751b4f1c644c4365942a38bdc8b5e3ee6 /src/target/cortex_m.c | |
parent | 3e1dfdcb8531ae684537325ad2c94b845d741085 (diff) | |
download | riscv-openocd-a09a75653dbe7ad99da6349285ab6622b80fdc15.zip riscv-openocd-a09a75653dbe7ad99da6349285ab6622b80fdc15.tar.gz riscv-openocd-a09a75653dbe7ad99da6349285ab6622b80fdc15.tar.bz2 |
armv7m: add generic trace support (TPIU, ITM, etc.)
This provides support for various trace-related subsystems in a
generic and expandable way.
Change-Id: I3a27fa7b8cfb111753088bb8c3d760dd12d1395f
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Reviewed-on: http://openocd.zylin.com/2538
Tested-by: jenkins
Diffstat (limited to 'src/target/cortex_m.c')
-rw-r--r-- | src/target/cortex_m.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/target/cortex_m.c b/src/target/cortex_m.c index 4dc92c8..9234824 100644 --- a/src/target/cortex_m.c +++ b/src/target/cortex_m.c @@ -1932,6 +1932,16 @@ int cortex_m_examine(struct target *target) armv7m->dap.tar_autoincr_block = (1 << 12); } + /* Configure trace modules */ + retval = target_write_u32(target, DCB_DEMCR, TRCENA | armv7m->demcr); + if (retval != ERROR_OK) + return retval; + + if (armv7m->trace_config.config_type != DISABLED) { + armv7m_trace_tpiu_config(target); + armv7m_trace_itm_config(target); + } + /* NOTE: FPB and DWT are both optional. */ /* Setup FPB */ @@ -2325,6 +2335,9 @@ static const struct command_registration cortex_m_command_handlers[] = { .chain = armv7m_command_handlers, }, { + .chain = armv7m_trace_command_handlers, + }, + { .name = "cortex_m", .mode = COMMAND_EXEC, .help = "Cortex-M command group", |