| 1 |
2 |
sergeykhbr |
/**
|
| 2 |
|
|
* @file
|
| 3 |
|
|
* @copyright Copyright 2016 GNSS Sensor Ltd. All right reserved.
|
| 4 |
|
|
* @author Sergey Khabarov - sergeykhbr@gmail.com
|
| 5 |
|
|
* @brief GNSS stub module functional model.
|
| 6 |
|
|
*/
|
| 7 |
|
|
|
| 8 |
|
|
#include "api_core.h"
|
| 9 |
|
|
#include "gnss_stub.h"
|
| 10 |
|
|
|
| 11 |
|
|
namespace debugger {
|
| 12 |
|
|
|
| 13 |
|
|
GNSSStub::GNSSStub(const char *name) : IService(name) {
|
| 14 |
|
|
registerInterface(static_cast<IMemoryOperation *>(this));
|
| 15 |
|
|
registerInterface(static_cast<IClockListener *>(this));
|
| 16 |
|
|
registerAttribute("BaseAddress", &baseAddress_);
|
| 17 |
|
|
registerAttribute("Length", &length_);
|
| 18 |
|
|
registerAttribute("IrqLine", &irqLine_);
|
| 19 |
|
|
registerAttribute("IrqControl", &irqctrl_);
|
| 20 |
|
|
registerAttribute("ClkSource", &clksrc_);
|
| 21 |
|
|
|
| 22 |
|
|
baseAddress_.make_uint64(0);
|
| 23 |
|
|
length_.make_uint64(0);
|
| 24 |
|
|
irqLine_.make_uint64(0);
|
| 25 |
|
|
irqctrl_.make_string("");
|
| 26 |
|
|
clksrc_.make_string("");
|
| 27 |
|
|
|
| 28 |
|
|
memset(®s_, 0, sizeof(regs_));
|
| 29 |
|
|
|
| 30 |
|
|
regs_.misc.GenericChanCfg = 12; // [4:0] gps
|
| 31 |
|
|
regs_.misc.GenericChanCfg |= 12 << 5; // [8:5] glo
|
| 32 |
|
|
regs_.misc.GenericChanCfg |= 2 << 9; // [10:9] sbas
|
| 33 |
|
|
regs_.misc.GenericChanCfg |= 6 << 11; // [14:11] gal
|
| 34 |
|
|
}
|
| 35 |
|
|
|
| 36 |
|
|
GNSSStub::~GNSSStub() {
|
| 37 |
|
|
}
|
| 38 |
|
|
|
| 39 |
|
|
void GNSSStub::postinitService() {
|
| 40 |
|
|
iclk_ = static_cast<IClock *>(
|
| 41 |
|
|
RISCV_get_service_iface(clksrc_.to_string(), IFACE_CLOCK));
|
| 42 |
|
|
if (!iclk_) {
|
| 43 |
|
|
RISCV_error("Can't find IClock interface %s", clksrc_.to_string());
|
| 44 |
|
|
}
|
| 45 |
|
|
|
| 46 |
|
|
iwire_ = static_cast<IWire *>(
|
| 47 |
|
|
RISCV_get_service_iface(irqctrl_.to_string(), IFACE_WIRE));
|
| 48 |
|
|
if (!iwire_) {
|
| 49 |
|
|
RISCV_error("Can't find IWire interface %s", irqctrl_.to_string());
|
| 50 |
|
|
}
|
| 51 |
|
|
}
|
| 52 |
|
|
|
| 53 |
|
|
void GNSSStub::b_transport(Axi4TransactionType *trans) {
|
| 54 |
|
|
uint64_t mask = (length_.to_uint64() - 1);
|
| 55 |
|
|
uint64_t off = ((trans->addr - getBaseAddress()) & mask);
|
| 56 |
|
|
trans->response = MemResp_Valid;
|
| 57 |
|
|
if (trans->action == MemAction_Write) {
|
| 58 |
|
|
for (uint64_t i = 0; i < trans->xsize/4; i++) {
|
| 59 |
|
|
if (((trans->wstrb >> 4*i) & 0xf) == 0) {
|
| 60 |
|
|
continue;
|
| 61 |
|
|
}
|
| 62 |
|
|
if (regs_.tmr.rw_MsLength == 0 && trans->wpayload.b32[i] != 0) {
|
| 63 |
|
|
iclk_->registerStepCallback(
|
| 64 |
|
|
static_cast<IClockListener *>(this),
|
| 65 |
|
|
iclk_->getStepCounter() + trans->wpayload.b32[i]);
|
| 66 |
|
|
}
|
| 67 |
|
|
regs_.tmr.rw_MsLength = trans->wpayload.b32[i];
|
| 68 |
|
|
if ((off + 4*i) == OFFSET(®s_.tmr.rw_MsLength)) {
|
| 69 |
|
|
RISCV_info("Set rw_MsLength = %d", regs_.tmr.rw_MsLength);
|
| 70 |
|
|
}
|
| 71 |
|
|
}
|
| 72 |
|
|
} else {
|
| 73 |
|
|
uint8_t *m = reinterpret_cast<uint8_t *>(®s_);
|
| 74 |
|
|
memcpy(trans->rpayload.b8, &m[off], trans->xsize);
|
| 75 |
|
|
}
|
| 76 |
|
|
}
|
| 77 |
|
|
|
| 78 |
|
|
void GNSSStub::stepCallback(uint64_t t) {
|
| 79 |
|
|
iwire_->raiseLine(irqLine_.to_int());
|
| 80 |
|
|
if (regs_.tmr.rw_MsLength) {
|
| 81 |
|
|
regs_.tmr.rw_tow++;
|
| 82 |
|
|
regs_.tmr.rw_tod++;
|
| 83 |
|
|
iclk_->registerStepCallback(static_cast<IClockListener *>(this),
|
| 84 |
|
|
t + regs_.tmr.rw_MsLength);
|
| 85 |
|
|
}
|
| 86 |
|
|
}
|
| 87 |
|
|
|
| 88 |
|
|
} // namespace debugger
|
| 89 |
|
|
|
