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- fix issue with cortex_m3 reset run. Thanks Perry Hung 

- https://lists.berlios.de/pipermail/openocd-development/2009-March/005028.html

git-svn-id: svn://svn.berlios.de/openocd/trunk@1413 b42882b7-edfa-0310-969c-e2dbd0fdcd60
__archive__
ntfreak 2009-03-16 22:42:29 +00:00
parent 90815705d7
commit 8ea1bc666d
1 changed files with 9 additions and 1 deletions
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10
src/target/cortex_m3.c
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@ -243,6 +243,10 @@ int cortex_m3_endreset_event(target_t *target)
swjdp_transaction_endcheck(swjdp); swjdp_transaction_endcheck(swjdp);
armv7m_invalidate_core_regs(target); armv7m_invalidate_core_regs(target);
/* make sure we have latest dhcsr flags */
ahbap_read_system_atomic_u32(swjdp, DCB_DHCSR, &cortex_m3->dcb_dhcsr);
return ERROR_OK; return ERROR_OK;
} }
@ -724,8 +728,12 @@ int cortex_m3_assert_reset(target_t *target)
/* Set/Clear C_MASKINTS in a separate operation */ /* Set/Clear C_MASKINTS in a separate operation */
if (cortex_m3->dcb_dhcsr & C_MASKINTS) if (cortex_m3->dcb_dhcsr & C_MASKINTS)
ahbap_write_system_atomic_u32(swjdp, DCB_DHCSR, DBGKEY | C_DEBUGEN | C_HALT); ahbap_write_system_atomic_u32(swjdp, DCB_DHCSR, DBGKEY | C_DEBUGEN | C_HALT);
/* clear any debug flags before resuming */
cortex_m3_clear_halt(target); cortex_m3_clear_halt(target);
/* clear C_HALT in dhcsr reg */
cortex_m3_write_debug_halt_mask(target, 0, C_HALT);
/* Enter debug state on reset, cf. end_reset_event() */ /* Enter debug state on reset, cf. end_reset_event() */
ahbap_write_system_u32(swjdp, DCB_DEMCR, TRCENA | VC_HARDERR | VC_BUSERR); ahbap_write_system_u32(swjdp, DCB_DEMCR, TRCENA | VC_HARDERR | VC_BUSERR);