| /* |
| * QTest testcase for K230 GZIP decompression engine |
| * |
| * Copyright (c) 2026 Tao Ding <dingtao0430@163.com> |
| * |
| * SPDX-License-Identifier: GPL-2.0-or-later |
| */ |
| |
| #include "qemu/osdep.h" |
| #include "qemu/bitops.h" |
| #include "libqtest.h" |
| #include "hw/dma/k230_gsdma.h" |
| #include "hw/misc/k230_decomp_gzip.h" |
| |
| #define K230_DECOMP_GZIP_BASE 0x80808000 |
| #define K230_GSDMA_BASE 0x80800000 |
| #define K230_SRAM_BASE 0x80200000 |
| #define TEST_LLT_ADDR0 0x01000000 |
| #define TEST_LLT_ADDR1 0x01000040 |
| #define TEST_SRC_ADDR 0x01100000 |
| #define TEST_DST_ADDR 0x01200000 |
| |
| #define TEST_PAYLOAD_LEN (sizeof(test_payload) - 1) |
| |
| static inline uint64_t gzip_reg(hwaddr off) |
| { |
| return K230_DECOMP_GZIP_BASE + off; |
| } |
| |
| static inline uint64_t gsdma_reg(hwaddr off) |
| { |
| return K230_GSDMA_BASE + off; |
| } |
| |
| static inline uint64_t gsdma_ch_reg(unsigned int ch, hwaddr off) |
| { |
| return K230_GSDMA_BASE + K230_GSDMA_CH_BASE + |
| ch * K230_GSDMA_CH_STRIDE + off; |
| } |
| |
| static inline hwaddr k230_sram_addr(hwaddr off) |
| { |
| return K230_SRAM_BASE + off; |
| } |
| |
| static inline hwaddr k230_sram_input_addr(unsigned int slot) |
| { |
| return k230_sram_addr(K230_DECOMP_GZIP_SRAM_IN_BASE + |
| slot * K230_DECOMP_GZIP_BLOCK_SIZE); |
| } |
| |
| /* |
| * test_gzip_data was generated by compressing test_payload in gzip format |
| * using Dynamic Huffman coding. The compression method byte in the gzip |
| * header was then changed from the standard value 0x08 to the K230-specific |
| * value 0x09. |
| */ |
| static const uint8_t test_gzip_data[] = { |
| 0x1f, 0x8b, 0x09, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x04, 0x03, 0x05, 0xc1, 0xb1, 0x0d, 0x00, 0x20, |
| 0x08, 0x04, 0xc0, 0x9e, 0x29, 0x7e, 0x04, 0x23, |
| 0x63, 0x38, 0x85, 0x05, 0x21, 0x14, 0x10, 0x23, |
| 0x5f, 0x39, 0xbd, 0x77, 0x6b, 0xea, 0x80, 0xbf, |
| 0x38, 0x68, 0x5e, 0xdb, 0x19, 0xe5, 0xa0, 0x35, |
| 0x65, 0x4d, 0x1d, 0xf0, 0x17, 0x07, 0xcd, 0x6b, |
| 0x3b, 0xa3, 0x1c, 0xb4, 0xa6, 0xac, 0xa9, 0x03, |
| 0xfe, 0xe2, 0xa0, 0x79, 0x6d, 0x67, 0x94, 0x83, |
| 0xd6, 0x94, 0x35, 0x75, 0xc0, 0x5f, 0x1c, 0x34, |
| 0xaf, 0xed, 0x8c, 0x72, 0xd0, 0x9a, 0xb2, 0xa6, |
| 0x0e, 0xf8, 0x8b, 0x83, 0xe6, 0xb5, 0x9d, 0x51, |
| 0x0e, 0x5a, 0x53, 0xd6, 0xd4, 0x01, 0x7f, 0x71, |
| 0xd0, 0xbc, 0xb6, 0x33, 0xca, 0x41, 0x6b, 0xca, |
| 0x9a, 0x3a, 0xe0, 0x2f, 0x0e, 0x9a, 0xd7, 0x76, |
| 0x46, 0x39, 0x68, 0x4d, 0x59, 0x53, 0x07, 0xfc, |
| 0xc5, 0x41, 0xf3, 0xda, 0xce, 0x28, 0x07, 0xad, |
| 0x29, 0x1f, 0xdb, 0x9d, 0xbc, 0xdd, 0xc8, 0x00, |
| 0x00, 0x00, |
| }; |
| |
| static const uint8_t test_payload[] = |
| "K230 gzip streaming test\n" |
| "K230 gzip streaming test\n" |
| "K230 gzip streaming test\n" |
| "K230 gzip streaming test\n" |
| "K230 gzip streaming test\n" |
| "K230 gzip streaming test\n" |
| "K230 gzip streaming test\n" |
| "K230 gzip streaming test\n"; |
| |
| static void write_sdma_llt_node(QTestState *qts, hwaddr addr, uint32_t src, |
| uint32_t dst, uint32_t len, uint32_t next) |
| { |
| qtest_writel(qts, addr + offsetof(K230GSDMALLT, cfg), 0); |
| qtest_writel(qts, addr + offsetof(K230GSDMALLT, src_addr), src); |
| qtest_writel(qts, addr + offsetof(K230GSDMALLT, line_size), len); |
| qtest_writel(qts, addr + offsetof(K230GSDMALLT, line_cfg), 0x1); |
| qtest_writel(qts, addr + offsetof(K230GSDMALLT, dst_addr), dst); |
| qtest_writel(qts, addr + offsetof(K230GSDMALLT, next_llt_addr), next); |
| } |
| |
| static void test_reset_and_rw(void) |
| { |
| QTestState *qts = qtest_init("-machine k230"); |
| |
| g_assert_cmphex(qtest_readl(qts, gzip_reg(K230_DECOMP_GZIP_DECOMP_START)), |
| ==, 0); |
| g_assert_cmphex(qtest_readl(qts, gzip_reg(K230_DECOMP_GZIP_GZIP_SRC_SIZE)), |
| ==, 0); |
| g_assert_cmphex(qtest_readl(qts, gzip_reg(K230_DECOMP_GZIP_GZIP_OUT_SIZE)), |
| ==, 0); |
| g_assert_cmphex(qtest_readl(qts, gzip_reg(K230_DECOMP_GZIP_DECOMP_STAT)), |
| ==, 0); |
| |
| qtest_writel(qts, gzip_reg(K230_DECOMP_GZIP_DECOMP_START), |
| K230_DECOMP_GZIP_START); |
| |
| qtest_writel(qts, gzip_reg(K230_DECOMP_GZIP_GZIP_SRC_SIZE), 0xffffffff); |
| g_assert_cmphex(qtest_readl(qts, gzip_reg(K230_DECOMP_GZIP_GZIP_SRC_SIZE)), |
| ==, 0xffffffff); |
| |
| qtest_writel(qts, gzip_reg(K230_DECOMP_GZIP_GZIP_OUT_SIZE), 0x12345678); |
| g_assert_cmphex(qtest_readl(qts, gzip_reg(K230_DECOMP_GZIP_GZIP_OUT_SIZE)), |
| ==, 0x12345678); |
| |
| qtest_quit(qts); |
| } |
| |
| static void test_gsdma_handshake_flow(void) |
| { |
| QTestState *qts = qtest_init("-machine k230"); |
| uint32_t stat; |
| uint8_t output[TEST_PAYLOAD_LEN]; |
| |
| qtest_memwrite(qts, TEST_SRC_ADDR, test_gzip_data, sizeof(test_gzip_data)); |
| write_sdma_llt_node(qts, TEST_LLT_ADDR0, TEST_SRC_ADDR, |
| k230_sram_input_addr(0), |
| sizeof(test_gzip_data), 0); |
| write_sdma_llt_node(qts, TEST_LLT_ADDR1, |
| k230_sram_addr(K230_DECOMP_GZIP_SRAM_OUT_BASE), |
| TEST_DST_ADDR, TEST_PAYLOAD_LEN, 0); |
| |
| qtest_writel(qts, gsdma_reg(K230_GSDMA_DMA_CH_EN), BIT(0) | BIT(1)); |
| qtest_writel(qts, gsdma_ch_reg(0, K230_GSDMA_CH_CFG), |
| K230_GSDMA_CH0_CFG_DECOMP_CTRL_EN); |
| qtest_writel(qts, gsdma_ch_reg(1, K230_GSDMA_CH_CFG), 0); |
| qtest_writel(qts, gsdma_ch_reg(0, K230_GSDMA_CH_LLT_SADDR), TEST_LLT_ADDR0); |
| qtest_writel(qts, gsdma_ch_reg(1, K230_GSDMA_CH_LLT_SADDR), TEST_LLT_ADDR1); |
| qtest_writel(qts, gsdma_ch_reg(0, K230_GSDMA_CH_CTL), K230_GSDMA_CTL_START); |
| qtest_writel(qts, gsdma_ch_reg(1, K230_GSDMA_CH_CTL), K230_GSDMA_CTL_START); |
| |
| g_assert_cmphex(qtest_readl(qts, gsdma_reg(K230_GSDMA_DMA_CH_EN)), |
| ==, BIT(0) | BIT(1)); |
| g_assert_cmphex(qtest_readl(qts, gsdma_ch_reg(0, K230_GSDMA_CH_CFG)) & |
| K230_GSDMA_CH0_CFG_DECOMP_CTRL_EN, |
| ==, K230_GSDMA_CH0_CFG_DECOMP_CTRL_EN); |
| g_assert_cmphex(qtest_readl(qts, gsdma_ch_reg(0, K230_GSDMA_CH_LLT_SADDR)), |
| ==, TEST_LLT_ADDR0); |
| g_assert_cmphex(qtest_readl(qts, gsdma_ch_reg(1, K230_GSDMA_CH_LLT_SADDR)), |
| ==, TEST_LLT_ADDR1); |
| |
| qtest_writel(qts, gzip_reg(K230_DECOMP_GZIP_GZIP_SRC_SIZE), |
| K230_DECOMP_GZIP_CTRL_EN | sizeof(test_gzip_data)); |
| qtest_writel(qts, gzip_reg(K230_DECOMP_GZIP_GZIP_OUT_SIZE), |
| TEST_PAYLOAD_LEN); |
| qtest_writel(qts, gzip_reg(K230_DECOMP_GZIP_DECOMP_START), |
| K230_DECOMP_GZIP_START); |
| |
| stat = qtest_readl(qts, gzip_reg(K230_DECOMP_GZIP_DECOMP_STAT)); |
| g_assert_cmphex(stat & K230_DECOMP_GZIP_STAT_CRC_OK, ==, |
| K230_DECOMP_GZIP_STAT_CRC_OK); |
| |
| g_assert_cmphex(qtest_readl(qts, |
| gsdma_ch_reg(0, K230_GSDMA_CH_CURRENT_LLT)), |
| ==, TEST_LLT_ADDR0); |
| g_assert_cmphex(qtest_readl(qts, |
| gsdma_ch_reg(1, K230_GSDMA_CH_CURRENT_LLT)), |
| ==, TEST_LLT_ADDR1); |
| |
| stat = qtest_readl(qts, gsdma_reg(K230_GSDMA_DMA_INT_STAT)); |
| g_assert_cmphex(stat & K230_GSDMA_SDMA_DONE_INT(0), ==, |
| K230_GSDMA_SDMA_DONE_INT(0)); |
| g_assert_cmphex(stat & K230_GSDMA_SDMA_DONE_INT(1), ==, |
| K230_GSDMA_SDMA_DONE_INT(1)); |
| |
| qtest_memread(qts, TEST_DST_ADDR, output, sizeof(output)); |
| g_assert_cmpmem(output, sizeof(output), test_payload, TEST_PAYLOAD_LEN); |
| |
| qtest_quit(qts); |
| } |
| |
| int main(int argc, char **argv) |
| { |
| g_test_init(&argc, &argv, NULL); |
| |
| qtest_add_func("/k230-decomp-gzip/reset-and-rw", test_reset_and_rw); |
| qtest_add_func("/k230-decomp-gzip/gsdma-handshake-flow", |
| test_gsdma_handshake_flow); |
| |
| return g_test_run(); |
| } |
