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remote.c: Add comments.

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This commit is contained in:
Uwe Bonnes 2020-10-09 13:15:12 +02:00
parent ba26adce53
commit 752d14ca3e
1 changed files with 19 additions and 19 deletions
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38
src/remote.c
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@ -142,7 +142,7 @@ void remotePacketProcessSWD(uint8_t i, char *packet)
bool badParity; bool badParity;
switch (packet[1]) { switch (packet[1]) {
case REMOTE_INIT: /* SS = initialise ================================= */ case REMOTE_INIT: /* SS = initialise =============================== */
if (i==2) { if (i==2) {
swdptap_init(); swdptap_init();
_respond(REMOTE_RESP_OK, 0); _respond(REMOTE_RESP_OK, 0);
@ -151,26 +151,26 @@ void remotePacketProcessSWD(uint8_t i, char *packet)
} }
break; break;
case REMOTE_IN_PAR: /* = In parity ================================== */ case REMOTE_IN_PAR: /* SI = In parity ============================= */
ticks=remotehston(2,&packet[2]); ticks=remotehston(2,&packet[2]);
badParity = swd_proc.swdptap_seq_in_parity(&param, ticks); badParity = swd_proc.swdptap_seq_in_parity(&param, ticks);
_respond(badParity?REMOTE_RESP_PARERR:REMOTE_RESP_OK,param); _respond(badParity?REMOTE_RESP_PARERR:REMOTE_RESP_OK,param);
break; break;
case REMOTE_IN: /* = In ========================================= */ case REMOTE_IN: /* Si = In ======================================= */
ticks=remotehston(2,&packet[2]); ticks=remotehston(2,&packet[2]);
param = swd_proc.swdptap_seq_in(ticks); param = swd_proc.swdptap_seq_in(ticks);
_respond(REMOTE_RESP_OK,param); _respond(REMOTE_RESP_OK,param);
break; break;
case REMOTE_OUT: /* = Out ======================================== */ case REMOTE_OUT: /* So= Out ====================================== */
ticks=remotehston(2,&packet[2]); ticks=remotehston(2,&packet[2]);
param=remotehston(-1, &packet[4]); param=remotehston(-1, &packet[4]);
swd_proc.swdptap_seq_out(param, ticks); swd_proc.swdptap_seq_out(param, ticks);
_respond(REMOTE_RESP_OK, 0); _respond(REMOTE_RESP_OK, 0);
break; break;
case REMOTE_OUT_PAR: /* = Out parity ================================= */ case REMOTE_OUT_PAR: /* SO = Out parity ========================== */
ticks=remotehston(2,&packet[2]); ticks=remotehston(2,&packet[2]);
param=remotehston(-1, &packet[4]); param=remotehston(-1, &packet[4]);
swd_proc.swdptap_seq_out_parity(param, ticks); swd_proc.swdptap_seq_out_parity(param, ticks);
@ -191,19 +191,19 @@ void remotePacketProcessJTAG(uint8_t i, char *packet)
uint64_t DI; uint64_t DI;
switch (packet[1]) { switch (packet[1]) {
case REMOTE_INIT: /* = initialise ================================= */ case REMOTE_INIT: /* JS = initialise ============================= */
jtagtap_init(); jtagtap_init();
remote_dp.dp_read = fw_adiv5_jtagdp_read; remote_dp.dp_read = fw_adiv5_jtagdp_read;
remote_dp.low_access = fw_adiv5_jtagdp_low_access; remote_dp.low_access = fw_adiv5_jtagdp_low_access;
_respond(REMOTE_RESP_OK, 0); _respond(REMOTE_RESP_OK, 0);
break; break;
case REMOTE_RESET: /* = reset ================================= */ case REMOTE_RESET: /* JR = reset ================================= */
jtag_proc.jtagtap_reset(); jtag_proc.jtagtap_reset();
_respond(REMOTE_RESP_OK, 0); _respond(REMOTE_RESP_OK, 0);
break; break;
case REMOTE_TMS: /* = TMS Sequence ================================== */ case REMOTE_TMS: /* JT = TMS Sequence ============================ */
ticks=remotehston(2,&packet[2]); ticks=remotehston(2,&packet[2]);
MS=remotehston(2,&packet[4]); MS=remotehston(2,&packet[4]);
@ -215,7 +215,7 @@ void remotePacketProcessJTAG(uint8_t i, char *packet)
} }
break; break;
case REMOTE_TDITDO_TMS: /* = TDI/TDO ========================================= */ case REMOTE_TDITDO_TMS: /* JD = TDI/TDO ========================================= */
case REMOTE_TDITDO_NOTMS: case REMOTE_TDITDO_NOTMS:
if (i<5) { if (i<5) {
@ -232,7 +232,7 @@ void remotePacketProcessJTAG(uint8_t i, char *packet)
} }
break; break;
case REMOTE_NEXT: /* = NEXT ======================================== */ case REMOTE_NEXT: /* JN = NEXT ======================================== */
if (i!=4) { if (i!=4) {
_respond(REMOTE_RESP_ERR,REMOTE_ERROR_WRONGLEN); _respond(REMOTE_RESP_ERR,REMOTE_ERROR_WRONGLEN);
} else { } else {
@ -309,16 +309,16 @@ void remotePacketProcessHL(uint8_t i, char *packet)
remote_ap.apsel = remotehston(2, packet); remote_ap.apsel = remotehston(2, packet);
remote_ap.dp = &remote_dp; remote_ap.dp = &remote_dp;
switch (index) { switch (index) {
case REMOTE_HL_CHECK: case REMOTE_HL_CHECK: /* HC = Check availability of HL commands*/
_respond(REMOTE_RESP_OK, 0); _respond(REMOTE_RESP_OK, 0);
break; break;
case REMOTE_DP_READ: case REMOTE_DP_READ: /* Hd = Read from DP register */
packet += 2; packet += 2;
uint16_t addr16 = remotehston(4, packet); uint16_t addr16 = remotehston(4, packet);
uint32_t data = adiv5_dp_read(&remote_dp, addr16); uint32_t data = adiv5_dp_read(&remote_dp, addr16);
_respond_buf(REMOTE_RESP_OK, (uint8_t*)&data, 4); _respond_buf(REMOTE_RESP_OK, (uint8_t*)&data, 4);
break; break;
case REMOTE_LOW_ACCESS: case REMOTE_LOW_ACCESS: /* HL = Low level access */
packet += 2; packet += 2;
addr16 = remotehston(4, packet); addr16 = remotehston(4, packet);
packet += 4; packet += 4;
@ -326,13 +326,13 @@ void remotePacketProcessHL(uint8_t i, char *packet)
data = remote_dp.low_access(&remote_dp, remote_ap.apsel, addr16, value); data = remote_dp.low_access(&remote_dp, remote_ap.apsel, addr16, value);
_respond_buf(REMOTE_RESP_OK, (uint8_t*)&data, 4); _respond_buf(REMOTE_RESP_OK, (uint8_t*)&data, 4);
break; break;
case REMOTE_AP_READ: case REMOTE_AP_READ: /* Ha = Read from AP register*/
packet += 2; packet += 2;
addr16 = remotehston(4, packet); addr16 = remotehston(4, packet);
data = adiv5_ap_read(&remote_ap, addr16); data = adiv5_ap_read(&remote_ap, addr16);
_respond_buf(REMOTE_RESP_OK, (uint8_t*)&data, 4); _respond_buf(REMOTE_RESP_OK, (uint8_t*)&data, 4);
break; break;
case REMOTE_AP_WRITE: case REMOTE_AP_WRITE: /* Ha = Write to AP register*/
packet += 2; packet += 2;
addr16 = remotehston(4, packet); addr16 = remotehston(4, packet);
packet += 4; packet += 4;
@ -340,12 +340,12 @@ void remotePacketProcessHL(uint8_t i, char *packet)
adiv5_ap_write(&remote_ap, addr16, value); adiv5_ap_write(&remote_ap, addr16, value);
_respond(REMOTE_RESP_OK, 0); _respond(REMOTE_RESP_OK, 0);
break; break;
case REMOTE_AP_MEM_READ: case REMOTE_AP_MEM_READ: /* HM = Read from Mem and set csw */
packet += 2; packet += 2;
remote_ap.csw = remotehston(8, packet); remote_ap.csw = remotehston(8, packet);
packet += 6; packet += 6;
/*fall through*/ /*fall through*/
case REMOTE_MEM_READ: case REMOTE_MEM_READ: /* Hh = Read from Mem */
packet += 2; packet += 2;
uint32_t address = remotehston(8, packet); uint32_t address = remotehston(8, packet);
packet += 8; packet += 8;
@ -359,12 +359,12 @@ void remotePacketProcessHL(uint8_t i, char *packet)
_respond(REMOTE_RESP_ERR, 0); _respond(REMOTE_RESP_ERR, 0);
remote_ap.dp->fault = 0; remote_ap.dp->fault = 0;
break; break;
case REMOTE_AP_MEM_WRITE_SIZED: case REMOTE_AP_MEM_WRITE_SIZED: /* Hm = Write to memory and set csw */
packet += 2; packet += 2;
remote_ap.csw = remotehston(8, packet); remote_ap.csw = remotehston(8, packet);
packet += 6; packet += 6;
/*fall through*/ /*fall through*/
case REMOTE_MEM_WRITE_SIZED: case REMOTE_MEM_WRITE_SIZED: /* HH = Write to memory*/
packet += 2; packet += 2;
enum align align = remotehston(2, packet); enum align align = remotehston(2, packet);
packet += 2; packet += 2;