Yaya48
cf256aa081
Upstream: https://gitlab.com/qemu-project/qemu.git Upstream-Commit: d2e570cc0f97b936902a5b1b86b73c0f5998b475
201 lines
7.5 KiB
C
201 lines
7.5 KiB
C
/*
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* QTest testcase for K230 GZIP decompression engine
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*
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* Copyright (c) 2026 Tao Ding <[email protected]>
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "qemu/osdep.h"
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#include "qemu/bitops.h"
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#include "libqtest.h"
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#include "hw/dma/k230_gsdma.h"
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#include "hw/misc/k230_decomp_gzip.h"
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#define K230_DECOMP_GZIP_BASE 0x80808000
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#define K230_GSDMA_BASE 0x80800000
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#define K230_SRAM_BASE 0x80200000
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#define TEST_LLT_ADDR0 0x01000000
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#define TEST_LLT_ADDR1 0x01000040
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#define TEST_SRC_ADDR 0x01100000
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#define TEST_DST_ADDR 0x01200000
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#define TEST_PAYLOAD_LEN (sizeof(test_payload) - 1)
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static inline uint64_t gzip_reg(hwaddr off)
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{
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return K230_DECOMP_GZIP_BASE + off;
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}
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static inline uint64_t gsdma_reg(hwaddr off)
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{
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return K230_GSDMA_BASE + off;
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}
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static inline uint64_t gsdma_ch_reg(unsigned int ch, hwaddr off)
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{
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return K230_GSDMA_BASE + K230_GSDMA_CH_BASE +
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ch * K230_GSDMA_CH_STRIDE + off;
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}
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static inline hwaddr k230_sram_addr(hwaddr off)
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{
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return K230_SRAM_BASE + off;
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}
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static inline hwaddr k230_sram_input_addr(unsigned int slot)
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{
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return k230_sram_addr(K230_DECOMP_GZIP_SRAM_IN_BASE +
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slot * K230_DECOMP_GZIP_BLOCK_SIZE);
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}
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/*
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* test_gzip_data was generated by compressing test_payload in gzip format
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* using Dynamic Huffman coding. The compression method byte in the gzip
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* header was then changed from the standard value 0x08 to the K230-specific
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* value 0x09.
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*/
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static const uint8_t test_gzip_data[] = {
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0x1f, 0x8b, 0x09, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x04, 0x03, 0x05, 0xc1, 0xb1, 0x0d, 0x00, 0x20,
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0x08, 0x04, 0xc0, 0x9e, 0x29, 0x7e, 0x04, 0x23,
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0x63, 0x38, 0x85, 0x05, 0x21, 0x14, 0x10, 0x23,
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0x5f, 0x39, 0xbd, 0x77, 0x6b, 0xea, 0x80, 0xbf,
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0x38, 0x68, 0x5e, 0xdb, 0x19, 0xe5, 0xa0, 0x35,
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0x65, 0x4d, 0x1d, 0xf0, 0x17, 0x07, 0xcd, 0x6b,
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0x3b, 0xa3, 0x1c, 0xb4, 0xa6, 0xac, 0xa9, 0x03,
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0xfe, 0xe2, 0xa0, 0x79, 0x6d, 0x67, 0x94, 0x83,
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0xd6, 0x94, 0x35, 0x75, 0xc0, 0x5f, 0x1c, 0x34,
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0xaf, 0xed, 0x8c, 0x72, 0xd0, 0x9a, 0xb2, 0xa6,
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0x0e, 0xf8, 0x8b, 0x83, 0xe6, 0xb5, 0x9d, 0x51,
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0x0e, 0x5a, 0x53, 0xd6, 0xd4, 0x01, 0x7f, 0x71,
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0xd0, 0xbc, 0xb6, 0x33, 0xca, 0x41, 0x6b, 0xca,
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0x9a, 0x3a, 0xe0, 0x2f, 0x0e, 0x9a, 0xd7, 0x76,
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0x46, 0x39, 0x68, 0x4d, 0x59, 0x53, 0x07, 0xfc,
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0xc5, 0x41, 0xf3, 0xda, 0xce, 0x28, 0x07, 0xad,
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0x29, 0x1f, 0xdb, 0x9d, 0xbc, 0xdd, 0xc8, 0x00,
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0x00, 0x00,
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};
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static const uint8_t test_payload[] =
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"K230 gzip streaming test\n"
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"K230 gzip streaming test\n"
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"K230 gzip streaming test\n"
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"K230 gzip streaming test\n"
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"K230 gzip streaming test\n"
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"K230 gzip streaming test\n"
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"K230 gzip streaming test\n"
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"K230 gzip streaming test\n";
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static void write_sdma_llt_node(QTestState *qts, hwaddr addr, uint32_t src,
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uint32_t dst, uint32_t len, uint32_t next)
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{
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qtest_writel(qts, addr + offsetof(K230GSDMALLT, cfg), 0);
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qtest_writel(qts, addr + offsetof(K230GSDMALLT, src_addr), src);
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qtest_writel(qts, addr + offsetof(K230GSDMALLT, line_size), len);
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qtest_writel(qts, addr + offsetof(K230GSDMALLT, line_cfg), 0x1);
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qtest_writel(qts, addr + offsetof(K230GSDMALLT, dst_addr), dst);
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qtest_writel(qts, addr + offsetof(K230GSDMALLT, next_llt_addr), next);
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}
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static void test_reset_and_rw(void)
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{
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QTestState *qts = qtest_init("-machine k230");
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g_assert_cmphex(qtest_readl(qts, gzip_reg(K230_DECOMP_GZIP_DECOMP_START)),
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==, 0);
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g_assert_cmphex(qtest_readl(qts, gzip_reg(K230_DECOMP_GZIP_GZIP_SRC_SIZE)),
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==, 0);
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g_assert_cmphex(qtest_readl(qts, gzip_reg(K230_DECOMP_GZIP_GZIP_OUT_SIZE)),
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==, 0);
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g_assert_cmphex(qtest_readl(qts, gzip_reg(K230_DECOMP_GZIP_DECOMP_STAT)),
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==, 0);
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qtest_writel(qts, gzip_reg(K230_DECOMP_GZIP_DECOMP_START),
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K230_DECOMP_GZIP_START);
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qtest_writel(qts, gzip_reg(K230_DECOMP_GZIP_GZIP_SRC_SIZE), 0xffffffff);
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g_assert_cmphex(qtest_readl(qts, gzip_reg(K230_DECOMP_GZIP_GZIP_SRC_SIZE)),
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==, 0xffffffff);
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qtest_writel(qts, gzip_reg(K230_DECOMP_GZIP_GZIP_OUT_SIZE), 0x12345678);
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g_assert_cmphex(qtest_readl(qts, gzip_reg(K230_DECOMP_GZIP_GZIP_OUT_SIZE)),
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==, 0x12345678);
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qtest_quit(qts);
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}
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static void test_gsdma_handshake_flow(void)
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{
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QTestState *qts = qtest_init("-machine k230");
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uint32_t stat;
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uint8_t output[TEST_PAYLOAD_LEN];
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qtest_memwrite(qts, TEST_SRC_ADDR, test_gzip_data, sizeof(test_gzip_data));
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write_sdma_llt_node(qts, TEST_LLT_ADDR0, TEST_SRC_ADDR,
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k230_sram_input_addr(0),
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sizeof(test_gzip_data), 0);
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write_sdma_llt_node(qts, TEST_LLT_ADDR1,
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k230_sram_addr(K230_DECOMP_GZIP_SRAM_OUT_BASE),
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TEST_DST_ADDR, TEST_PAYLOAD_LEN, 0);
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qtest_writel(qts, gsdma_reg(K230_GSDMA_DMA_CH_EN), BIT(0) | BIT(1));
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qtest_writel(qts, gsdma_ch_reg(0, K230_GSDMA_CH_CFG),
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K230_GSDMA_CH0_CFG_DECOMP_CTRL_EN);
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qtest_writel(qts, gsdma_ch_reg(1, K230_GSDMA_CH_CFG), 0);
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qtest_writel(qts, gsdma_ch_reg(0, K230_GSDMA_CH_LLT_SADDR), TEST_LLT_ADDR0);
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qtest_writel(qts, gsdma_ch_reg(1, K230_GSDMA_CH_LLT_SADDR), TEST_LLT_ADDR1);
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qtest_writel(qts, gsdma_ch_reg(0, K230_GSDMA_CH_CTL), K230_GSDMA_CTL_START);
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qtest_writel(qts, gsdma_ch_reg(1, K230_GSDMA_CH_CTL), K230_GSDMA_CTL_START);
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g_assert_cmphex(qtest_readl(qts, gsdma_reg(K230_GSDMA_DMA_CH_EN)),
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==, BIT(0) | BIT(1));
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g_assert_cmphex(qtest_readl(qts, gsdma_ch_reg(0, K230_GSDMA_CH_CFG)) &
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K230_GSDMA_CH0_CFG_DECOMP_CTRL_EN,
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==, K230_GSDMA_CH0_CFG_DECOMP_CTRL_EN);
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g_assert_cmphex(qtest_readl(qts, gsdma_ch_reg(0, K230_GSDMA_CH_LLT_SADDR)),
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==, TEST_LLT_ADDR0);
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g_assert_cmphex(qtest_readl(qts, gsdma_ch_reg(1, K230_GSDMA_CH_LLT_SADDR)),
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==, TEST_LLT_ADDR1);
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qtest_writel(qts, gzip_reg(K230_DECOMP_GZIP_GZIP_SRC_SIZE),
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K230_DECOMP_GZIP_CTRL_EN | sizeof(test_gzip_data));
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qtest_writel(qts, gzip_reg(K230_DECOMP_GZIP_GZIP_OUT_SIZE),
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TEST_PAYLOAD_LEN);
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qtest_writel(qts, gzip_reg(K230_DECOMP_GZIP_DECOMP_START),
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K230_DECOMP_GZIP_START);
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stat = qtest_readl(qts, gzip_reg(K230_DECOMP_GZIP_DECOMP_STAT));
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g_assert_cmphex(stat & K230_DECOMP_GZIP_STAT_CRC_OK, ==,
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K230_DECOMP_GZIP_STAT_CRC_OK);
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g_assert_cmphex(qtest_readl(qts,
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gsdma_ch_reg(0, K230_GSDMA_CH_CURRENT_LLT)),
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==, TEST_LLT_ADDR0);
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g_assert_cmphex(qtest_readl(qts,
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gsdma_ch_reg(1, K230_GSDMA_CH_CURRENT_LLT)),
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==, TEST_LLT_ADDR1);
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stat = qtest_readl(qts, gsdma_reg(K230_GSDMA_DMA_INT_STAT));
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g_assert_cmphex(stat & K230_GSDMA_SDMA_DONE_INT(0), ==,
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K230_GSDMA_SDMA_DONE_INT(0));
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g_assert_cmphex(stat & K230_GSDMA_SDMA_DONE_INT(1), ==,
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K230_GSDMA_SDMA_DONE_INT(1));
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qtest_memread(qts, TEST_DST_ADDR, output, sizeof(output));
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g_assert_cmpmem(output, sizeof(output), test_payload, TEST_PAYLOAD_LEN);
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qtest_quit(qts);
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}
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int main(int argc, char **argv)
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{
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g_test_init(&argc, &argv, NULL);
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qtest_add_func("/k230-decomp-gzip/reset-and-rw", test_reset_and_rw);
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qtest_add_func("/k230-decomp-gzip/gsdma-handshake-flow",
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test_gsdma_handshake_flow);
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return g_test_run();
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}
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