diff options
Diffstat (limited to 'src/target/armv7m.h')
-rw-r--r-- | src/target/armv7m.h | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/src/target/armv7m.h b/src/target/armv7m.h index ec90b715..17e3ff38 100644 --- a/src/target/armv7m.h +++ b/src/target/armv7m.h @@ -61,10 +61,15 @@ enum ARMV7M_xPSR = 16, ARMV7M_MSP, ARMV7M_PSP, - ARMV7M_PRIMASK, - ARMV7M_BASEPRI, - ARMV7M_FAULTMASK, - ARMV7M_CONTROL, + + /* FIXME the register numbers here are core-specific. Cortex-M3 + * through r1p1 only defines registers up to PSP; see ARM DDI 0337E. + * + * It's r2p0 (see ARM DDI 0337G) which defines the register that's + * called SPEC20 here, with four single-byte fields with CONTROL + * (highest byte), FAULTMASK, BASEPRI, and PRIMASK (lowest byte). + */ + ARMV7M_SPEC20 = 20, ARMV7NUMCOREREGS }; @@ -78,6 +83,7 @@ typedef struct armv7m_common_s int exception_number; swjdp_common_t swjdp_info; + bool has_spec20; /* Direct processor core register read and writes */ int (*load_core_reg_u32)(struct target_s *target, enum armv7m_regtype type, uint32_t num, uint32_t *value); |