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| author | mlu <mlu@b42882b7-edfa-0310-969c-e2dbd0fdcd60> | 2009-04-02 12:16:19 +0000 |
|---|---|---|
| committer | mlu <mlu@b42882b7-edfa-0310-969c-e2dbd0fdcd60> | 2009-04-02 12:16:19 +0000 |
| commit | c008618be9f7588b7a0c72cd85adff317d2b4394 (patch) | |
| tree | 3ce6c042fb76fe824184171abc271eef617a52c9 /src/target | |
| parent | 923293928a518c695d9100279cdc05d0e1055414 (diff) | |
| download | openocd_libswd-c008618be9f7588b7a0c72cd85adff317d2b4394.tar.gz openocd_libswd-c008618be9f7588b7a0c72cd85adff317d2b4394.tar.bz2 openocd_libswd-c008618be9f7588b7a0c72cd85adff317d2b4394.tar.xz openocd_libswd-c008618be9f7588b7a0c72cd85adff317d2b4394.zip | |
Cortex-M3 cleanup and performance patch
git-svn-id: svn://svn.berlios.de/openocd/trunk@1438 b42882b7-edfa-0310-969c-e2dbd0fdcd60
Diffstat (limited to 'src/target')
| -rw-r--r-- | src/target/cortex_swjdp.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/target/cortex_swjdp.c b/src/target/cortex_swjdp.c index 3e094d84..0f737ce0 100644 --- a/src/target/cortex_swjdp.c +++ b/src/target/cortex_swjdp.c @@ -183,6 +183,7 @@ int swjdp_transaction_endcheck(swjdp_common_t *swjdp) /* too expensive to call keep_alive() here */ +#if 0 /* Danger!!!! BROKEN!!!! */ scan_inout_check_u32(swjdp, SWJDP_IR_DPACC, DP_CTRL_STAT, DPAP_READ, 0, &ctrlstat); /* Danger!!!! BROKEN!!!! Why will jtag_execute_queue() fail here???? @@ -196,6 +197,8 @@ int swjdp_transaction_endcheck(swjdp_common_t *swjdp) LOG_ERROR("BUG: Why does this fail the first time????"); } /* Why??? second time it works??? */ +#endif + scan_inout_check_u32(swjdp, SWJDP_IR_DPACC, DP_CTRL_STAT, DPAP_READ, 0, &ctrlstat); if ((retval=jtag_execute_queue())!=ERROR_OK) return retval; @@ -925,7 +928,7 @@ int ahbap_read_coreregister_u32(swjdp_common_t *swjdp, u32 *value, int regnum) /* because the DCB_DCRDR is used for the emulated dcc channel * we gave to save/restore the DCB_DCRDR when used */ - ahbap_read_system_atomic_u32(swjdp, DCB_DCRDR, &dcrdr); + ahbap_read_system_u32(swjdp, DCB_DCRDR, &dcrdr); swjdp->trans_mode = TRANS_MODE_COMPOSITE; @@ -937,8 +940,8 @@ int ahbap_read_coreregister_u32(swjdp_common_t *swjdp, u32 *value, int regnum) ahbap_setup_accessport(swjdp, CSW_32BIT | CSW_ADDRINC_OFF, DCB_DCRDR & 0xFFFFFFF0); ahbap_read_reg_u32(swjdp, AHBAP_BD0 | (DCB_DCRDR & 0xC), value ); + ahbap_write_system_u32(swjdp, DCB_DCRDR, dcrdr); retval = swjdp_transaction_endcheck(swjdp); - ahbap_write_system_atomic_u32(swjdp, DCB_DCRDR, dcrdr); return retval; } @@ -950,7 +953,7 @@ int ahbap_write_coreregister_u32(swjdp_common_t *swjdp, u32 value, int regnum) /* because the DCB_DCRDR is used for the emulated dcc channel * we gave to save/restore the DCB_DCRDR when used */ - ahbap_read_system_atomic_u32(swjdp, DCB_DCRDR, &dcrdr); + ahbap_read_system_u32(swjdp, DCB_DCRDR, &dcrdr); swjdp->trans_mode = TRANS_MODE_COMPOSITE; @@ -962,8 +965,8 @@ int ahbap_write_coreregister_u32(swjdp_common_t *swjdp, u32 value, int regnum) ahbap_setup_accessport(swjdp, CSW_32BIT | CSW_ADDRINC_OFF, DCB_DCRSR & 0xFFFFFFF0); ahbap_write_reg_u32(swjdp, AHBAP_BD0 | (DCB_DCRSR & 0xC), regnum | DCRSR_WnR ); + ahbap_write_system_u32(swjdp, DCB_DCRDR, dcrdr); retval = swjdp_transaction_endcheck(swjdp); - ahbap_write_system_atomic_u32(swjdp, DCB_DCRDR, dcrdr); return retval; } |