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target/arc: introduce breakpoint functionality

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With this patch we introduce set/unset breakpoints
routines and add/remove bp handlers.
Currently soft breakpoints are only supported.

Changes since v1:
* Change if-statement in arc_remove_breakpoint
* Squash changes from http://openocd.zylin.com/#/c/5641/
  in this commit to fix build.

Change-Id: Ib10ccdb02fd1606e4f407f012b1bee106a8ffccd
Signed-off-by: Evgeniy Didin <didin@synopsys.com>
Reviewed-on: http://openocd.zylin.com/5641
Tested-by: jenkins
Reviewed-by: Oleksij Rempel <linux@rempel-privat.de>
This commit is contained in:
Evgeniy Didin
2020-03-16 20:38:00 +03:00
committed by Oleksij Rempel
parent c693508f77
commit da41bce3ae
2 changed files with 162 additions and 2 deletions
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6
src/target/arc.h
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@@ -54,6 +54,12 @@
/* Limit reg_type/reg_type_field name to 20 symbols */
#define REG_TYPE_MAX_NAME_LENGTH 20
/* ARC 32bits opcodes */
#define ARC_SDBBP_32 0x256F003F /* BRK */
/* ARC 16bits opcodes */
#define ARC_SDBBP_16 0x7FFF /* BRK_S */
struct arc_reg_bitfield {
struct reg_data_type_bitfield bitfield;
char name[REG_TYPE_MAX_NAME_LENGTH];