diff options
Diffstat (limited to 'src/target/mips32_pracc.c')
| -rw-r--r-- | src/target/mips32_pracc.c | 27 |
1 files changed, 8 insertions, 19 deletions
diff --git a/src/target/mips32_pracc.c b/src/target/mips32_pracc.c index 69d9a007..caa566b5 100644 --- a/src/target/mips32_pracc.c +++ b/src/target/mips32_pracc.c @@ -116,24 +116,21 @@ static int mips32_pracc_read_ctrl_addr(struct mips_ejtag *ejtag_info) } /* Finish processor access */ -static int mips32_pracc_finish(struct mips_ejtag *ejtag_info) +static void mips32_pracc_finish(struct mips_ejtag *ejtag_info) { uint32_t ctrl = ejtag_info->ejtag_ctrl & ~EJTAG_CTRL_PRACC; mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL); mips_ejtag_drscan_32_out(ejtag_info, ctrl); - - return jtag_execute_queue(); } int mips32_pracc_clean_text_jump(struct mips_ejtag *ejtag_info) { uint32_t jt_code = MIPS32_J((0x0FFFFFFF & MIPS32_PRACC_TEXT) >> 2); - int retval; /* do 3 0/nops to clean pipeline before a jump to pracc text, NOP in delay slot */ for (int i = 0; i != 5; i++) { /* Wait for pracc */ - retval = wait_for_pracc_rw(ejtag_info, &ejtag_info->pa_ctrl); + int retval = wait_for_pracc_rw(ejtag_info, &ejtag_info->pa_ctrl); if (retval != ERROR_OK) return retval; @@ -143,25 +140,21 @@ int mips32_pracc_clean_text_jump(struct mips_ejtag *ejtag_info) mips_ejtag_drscan_32_out(ejtag_info, data); /* finish pa */ - retval = mips32_pracc_finish(ejtag_info); - if (retval != ERROR_OK) - return retval; + mips32_pracc_finish(ejtag_info); } if (ejtag_info->mode != 0) /* async mode support only for MIPS ... */ return ERROR_OK; for (int i = 0; i != 2; i++) { - retval = mips32_pracc_read_ctrl_addr(ejtag_info); + int retval = mips32_pracc_read_ctrl_addr(ejtag_info); if (retval != ERROR_OK) return retval; if (ejtag_info->pa_addr != MIPS32_PRACC_TEXT) { /* LEXRA/BMIPS ?, shift out another NOP, max 2 */ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_DATA); mips_ejtag_drscan_32_out(ejtag_info, MIPS32_NOP); - retval = mips32_pracc_finish(ejtag_info); - if (retval != ERROR_OK) - return retval; + mips32_pracc_finish(ejtag_info); } else break; } @@ -298,12 +291,10 @@ int mips32_pracc_exec(struct mips_ejtag *ejtag_info, struct pracc_queue_info *ct mips_ejtag_drscan_32_out(ejtag_info, instr); } /* finish processor access, let the processor eat! */ - retval = mips32_pracc_finish(ejtag_info); - if (retval != ERROR_OK) - return retval; + mips32_pracc_finish(ejtag_info); if (instr == MIPS32_DRET) /* after leaving debug mode nothing to do */ - return ERROR_OK; + return jtag_execute_queue(); if (store_pending == 0 && pass) { /* store access done, but after passing pracc text */ LOG_DEBUG("warning: store access pass pracc text"); @@ -1013,9 +1004,7 @@ int mips32_pracc_fastdata_xfer(struct mips_ejtag *ejtag_info, struct working_are mips_ejtag_drscan_32_out(ejtag_info, jmp_code[i]); /* Clear the access pending bit (let the processor eat!) */ - ejtag_ctrl = ejtag_info->ejtag_ctrl & ~EJTAG_CTRL_PRACC; - mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL); - mips_ejtag_drscan_32_out(ejtag_info, ejtag_ctrl); + mips32_pracc_finish(ejtag_info); } /* wait PrAcc pending bit for FASTDATA write, read address */ |