mirror of https://github.com/openXC7/prjxray.git
101 lines
3.7 KiB
C++
101 lines
3.7 KiB
C++
#include <functional>
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#include <absl/meta/type_traits.h>
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#include <gtest/gtest.h>
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#include <prjxray/bit_ops.h>
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#include <prjxray/xilinx/architectures.h>
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using namespace prjxray::xilinx;
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constexpr uint32_t kType1NOP = prjxray::bit_field_set<uint32_t>(0, 15, 13, 0x1);
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const uint32_t MakeType1(const int opcode,
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const int address,
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const int word_count) {
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return prjxray::bit_field_set<uint32_t>(
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prjxray::bit_field_set<uint32_t>(
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prjxray::bit_field_set<uint32_t>(
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prjxray::bit_field_set<uint32_t>(0x0, 15, 13, 0x1), 12, 11,
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opcode),
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10, 5, address),
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4, 0, word_count);
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}
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const std::vector<uint32_t> MakeType2(const int opcode,
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const int address,
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const int word_count) {
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uint32_t header = prjxray::bit_field_set<uint32_t>(
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prjxray::bit_field_set<uint32_t>(
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prjxray::bit_field_set<uint32_t>(
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prjxray::bit_field_set<uint32_t>(0x0, 15, 13, 0x2), 12, 11,
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opcode),
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10, 5, address),
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4, 0, 0);
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uint32_t wcr1 = (word_count >> 16) & 0xFFFF;
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uint32_t wcr2 = (word_count & 0xFFFF);
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return std::vector<uint32_t>{header, wcr1, wcr2};
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}
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TEST(ConfigPacket, InitWithZeroBytes) {
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auto packet =
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ConfigurationPacket<Spartan6::ConfRegType>::InitWithWords({});
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EXPECT_EQ(packet.first, absl::Span<uint32_t>());
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EXPECT_FALSE(packet.second);
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}
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TEST(ConfigPacket, InitWithType1Nop) {
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std::vector<uint32_t> words{kType1NOP};
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absl::Span<uint32_t> word_span(words);
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auto packet = ConfigurationPacket<Spartan6::ConfRegType>::InitWithWords(
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word_span);
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EXPECT_EQ(packet.first, absl::Span<uint32_t>());
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ASSERT_TRUE(packet.second);
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EXPECT_EQ(packet.second->opcode(),
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ConfigurationPacket<Spartan6::ConfRegType>::Opcode::NOP);
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EXPECT_EQ(packet.second->address(), Spartan6::ConfRegType::CRC);
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EXPECT_EQ(packet.second->data(), absl::Span<uint32_t>());
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}
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TEST(ConfigPacket, InitWithType1Read) {
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std::vector<uint32_t> words{MakeType1(0x1, 0x3, 2), 0xAA, 0xBB};
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absl::Span<uint32_t> word_span(words);
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auto packet = ConfigurationPacket<Spartan6::ConfRegType>::InitWithWords(
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word_span);
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EXPECT_EQ(packet.first, absl::Span<uint32_t>());
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ASSERT_TRUE(packet.second);
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EXPECT_EQ(packet.second->opcode(),
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ConfigurationPacket<Spartan6::ConfRegType>::Opcode::Read);
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EXPECT_EQ(packet.second->address(), Spartan6::ConfRegType::FDRI);
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EXPECT_EQ(packet.second->data(), word_span.subspan(1));
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}
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TEST(ConfigPacket, InitWithType1Write) {
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std::vector<uint32_t> words{MakeType1(0x2, 0x4, 2), 0xAA, 0xBB};
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absl::Span<uint32_t> word_span(words);
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auto packet = ConfigurationPacket<Spartan6::ConfRegType>::InitWithWords(
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word_span);
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EXPECT_EQ(packet.first, absl::Span<uint32_t>());
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ASSERT_TRUE(packet.second);
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EXPECT_EQ(packet.second->opcode(),
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ConfigurationPacket<Spartan6::ConfRegType>::Opcode::Write);
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EXPECT_EQ(packet.second->address(), Spartan6::ConfRegType::FDRO);
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EXPECT_EQ(packet.second->data(), word_span.subspan(1));
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}
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TEST(ConfigPacket, InitWithType2WithPreviousPacket) {
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std::vector<uint32_t> words{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12};
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std::vector<uint32_t> type2 = MakeType2(0x01, 0x03, 12);
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words.insert(words.begin(), type2.begin(), type2.end());
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absl::Span<uint32_t> word_span(words);
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auto packet = ConfigurationPacket<Spartan6::ConfRegType>::InitWithWords(
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word_span);
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EXPECT_EQ(packet.first, absl::Span<uint32_t>());
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ASSERT_TRUE(packet.second);
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EXPECT_EQ(packet.second->opcode(),
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ConfigurationPacket<Spartan6::ConfRegType>::Opcode::Read);
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EXPECT_EQ(packet.second->address(), Spartan6::ConfRegType::FDRI);
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EXPECT_EQ(packet.second->data(), word_span.subspan(3));
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}
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