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arch: arc: add support of ARConnect inter-core debug unit

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The Inter-core Debug Unit provides additional debug assist features in
multi-core scenarios.This commit allows ARConnect to conditionally
halt cores during debugging.

Signed-off-by: Yuguo Zou <yuguo.zou@synopsys.com>
This commit is contained in:
Yuguo Zou 2020-09-28 15:24:08 +08:00 • committed by Maureen Helm
commit 3826eb302c
2 changed files with 16 additions and 0 deletions
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5
include/arch/arc/v2/arc_connect.h
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@ -64,6 +64,11 @@ extern "C" {
#define ARC_CONNECT_CMD_DEBUG_READ_CMD 0x39
#define ARC_CONNECT_CMD_DEBUG_READ_CORE 0x3a
#define ARC_CONNECT_CMD_DEBUG_MASK_SH 0x08 /* if a self-halt occurs, a global halt is triggered */
#define ARC_CONNECT_CMD_DEBUG_MASK_BH 0x04 /* if a breakpoint caused halt occurs, a global halt is triggered */
#define ARC_CONNECT_CMD_DEBUG_MASK_AH 0x02 /* if an actionpoint caused halt occurs, a global halt is triggered */
#define ARC_CONNECT_CMD_DEBUG_MASK_H 0x01 /* whenever the core is halted, a global halt is triggered */
#define ARC_CONNECT_CMD_GFRC_CLEAR 0x41
#define ARC_CONNECT_CMD_GFRC_READ_LO 0x42
#define ARC_CONNECT_CMD_GFRC_READ_HI 0x43