diff options
Diffstat (limited to 'src/target/armv8.c')
| -rw-r--r-- | src/target/armv8.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/target/armv8.c b/src/target/armv8.c index 00ab6ed..2f1d5c1 100644 --- a/src/target/armv8.c +++ b/src/target/armv8.c @@ -1292,3 +1292,24 @@ int armv8_get_gdb_reg_list(struct target *target, } } } + +int armv8_set_dbgreg_bits(struct armv8_common *armv8, unsigned int reg, unsigned long mask, unsigned long value) +{ + uint32_t tmp; + + /* Read register */ + int retval = mem_ap_read_atomic_u32(armv8->debug_ap, + armv8->debug_base + reg, &tmp); + if (ERROR_OK != retval) + return retval; + + /* clear bitfield */ + tmp &= ~mask; + /* put new value */ + tmp |= value & mask; + + /* write new value */ + retval = mem_ap_write_atomic_u32(armv8->debug_ap, + armv8->debug_base + reg, tmp); + return retval; +} |