FreeCalypso > hg > freecalypso-tools
view rvinterf/etmsync/memops.c @ 505:7bf0d909c87e
fc-loadtool flash ID check: change of reset after the check logic
This change only affects those flash configurations that have ID checks
enabled. The logic for resetting the flash after the ID check has been
changed as follows:
1) If the check fails, we return without attempting to reset the flash.
2) If the check is successful, we reset the flash using the configured
method (could be AMD or Intel or Intel W30) instead of always doing an
AMD flash reset as the original code did.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Mon, 27 May 2019 19:58:01 +0000 |
parents | e7502631a0f9 |
children |
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/* * Functions for reading memory regions and Calypso die ID via ETM */ #include <sys/types.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <strings.h> #include "etm.h" #include "tm3.h" #include "limits.h" #include "localtypes.h" #include "exitcodes.h" extern u_char rvi_msg[]; extern int rvi_msg_len; do_memory_read(memaddr, databuf, nbytes) u32 memaddr; u_char *databuf; { u_char cmdpkt[10]; int rc; if (nbytes > MAX_MEMREAD_BYTES) { printf("error: # of bytes to read may not exceed %d\n", MAX_MEMREAD_BYTES); return(ERROR_USAGE); } cmdpkt[1] = ETM_CORE; cmdpkt[2] = TMCORE_OPC_MEM; cmdpkt[3] = 0x01; cmdpkt[4] = nbytes; cmdpkt[5] = memaddr; cmdpkt[6] = memaddr >> 8; cmdpkt[7] = memaddr >> 16; cmdpkt[8] = memaddr >> 24; rc = etm_pkt_exch(cmdpkt, 8); if (rc) return(rc); if (rvi_msg[3]) { printf("ETM error response to mem read request: 0x%02X\n", rvi_msg[3]); return(ERROR_TARGET); } if (rvi_msg_len != nbytes + 7) { printf("error: mem read response has wrong length\n"); return(ERROR_TARGET); } if (rvi_msg[4] != TMCORE_OPC_MEM || rvi_msg[5] != 0x01) { printf("error: mem read response has wrong opcode\n"); return(ERROR_TARGET); } bcopy(rvi_msg + 6, databuf, nbytes); return(0); } do_memory_read_16(memaddr, databuf, nwords) u32 memaddr; u_char *databuf; { u_char cmdpkt[10]; int rc; if (nwords > MAX_MEMREAD_16BIT) { printf("error: # of 16-bit words to read may not exceed %d\n", MAX_MEMREAD_16BIT); return(ERROR_USAGE); } cmdpkt[1] = ETM_CORE; cmdpkt[2] = TMCORE_OPC_MEM; cmdpkt[3] = 0x02; cmdpkt[4] = nwords; cmdpkt[5] = memaddr; cmdpkt[6] = memaddr >> 8; cmdpkt[7] = memaddr >> 16; cmdpkt[8] = memaddr >> 24; rc = etm_pkt_exch(cmdpkt, 8); if (rc) return(rc); if (rvi_msg[3]) { printf("ETM error response to mem read 16 request: 0x%02X\n", rvi_msg[3]); return(ERROR_TARGET); } if (rvi_msg_len != nwords * 2 + 7) { printf("error: mem read 16 response has wrong length\n"); return(ERROR_TARGET); } if (rvi_msg[4] != TMCORE_OPC_MEM || rvi_msg[5] != 0x02) { printf("error: mem read 16 response has wrong opcode\n"); return(ERROR_TARGET); } bcopy(rvi_msg + 6, databuf, nwords * 2); return(0); } do_memory_read_tm3(memaddr, databuf, nbytes) u32 memaddr; u_char *databuf; { u_char cmdpkt[11]; int rc; if (nbytes > TM3_MEMREAD_MAX) { printf("error: # of bytes to read may not exceed %d\n", TM3_MEMREAD_MAX); return(ERROR_USAGE); } cmdpkt[1] = MEM_READ; cmdpkt[2] = memaddr; cmdpkt[3] = memaddr >> 8; cmdpkt[4] = memaddr >> 16; cmdpkt[5] = memaddr >> 24; cmdpkt[6] = nbytes; cmdpkt[7] = 0; cmdpkt[8] = 0; cmdpkt[9] = 0; rc = etm_pkt_exch(cmdpkt, 9); if (rc) return(rc); if (rvi_msg[3]) { printf("TM3 error response to mem read request: 0x%02X\n", rvi_msg[3]); return(ERROR_TARGET); } if (rvi_msg_len != nbytes + 9) { printf("error: mem read response has wrong length\n"); return(ERROR_TARGET); } if (rvi_msg[4] != nbytes || rvi_msg[5] || rvi_msg[6] || rvi_msg[7]) { printf("error: mem read response has wrong length echo\n"); return(ERROR_TARGET); } bcopy(rvi_msg + 8, databuf, nbytes); return(0); } do_dieid_read(databuf) u_char *databuf; { u_char cmdpkt[4]; int rc; cmdpkt[1] = ETM_CORE; cmdpkt[2] = TMCORE_OPC_DIEID; rc = etm_pkt_exch(cmdpkt, 2); if (rc) return(rc); if (rvi_msg[3]) { printf("ETM error response to die ID read request: 0x%02X\n", rvi_msg[3]); return(ERROR_TARGET); } if (rvi_msg_len != 14) { printf("error: die ID read response has wrong length\n"); return(ERROR_TARGET); } if (rvi_msg[4] != TMCORE_OPC_DIEID) { printf("error: die ID read response has wrong opcode\n"); return(ERROR_TARGET); } bcopy(rvi_msg + 5, databuf, 8); return(0); }