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feat: add formal verification properties for DMA design and corresponding testbench

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- Introduced  to define formal properties for the DMA design, ensuring correct behavior under various conditions.
- Created  as a testbench for the DMA register interface, implementing APB and AXI4 protocols to validate register operations.
- Added  to verify synchronization between RTL and SDK register constants, ensuring consistency across implementations.
This commit is contained in:
maksyuki committed 2026-08-18 16:54:55 +08:00
1 parent a32d9af957
commit dd3cb6ff5c
57 files changed
+5285 -1300
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tests/c/test_runtime.c
+48 -4
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@@ -7,6 +7,7 @@
#include <retrosoc/core/status.h>
#include <retrosoc/core/wait.h>
#include <retrosoc/hal/gpio.h>
#include <retrosoc/hal/dma.h>
#include <retrosoc/hal/i2c.h>
#include <retrosoc/hal/lcd.h>
#include <retrosoc/hal/i2s.h>
@@ -319,6 +320,7 @@ static int test_gpio_helpers(void) {
(timing.divider != 143U) || (timing.stable_samples != 3U)) {
return 1;
}
if ((rs_gpio_filter_timing_from_us(1U, 1U, 1U, &timing) != RS_OK) || (timing.divider != 0U)) {
return 2;
}
@@ -333,6 +335,46 @@ static int test_gpio_helpers(void) {
return 0;
}
static int test_dma_config_validation(void) {
rs_dma_config_t config = {
.kind = RS_DMA_KIND_MM_TO_MM,
.request = RS_DMA_REQUEST_SOFTWARE,
.source = (uintptr_t)UINT32_C(0x40000000),
.destination = (uintptr_t)UINT32_C(0x41000000),
.byte_count = 64U,
.width = RS_DMA_WIDTH_32,
.source_increment = true,
.destination_increment = true,
.priority = 1U,
.burst_beats = RS_DMA_MAX_BURST_BEATS,
};
if (rs_dma_config_validate(RS_DMA_CHANNEL_BULK, &config) != RS_OK) {
return 1;
}
config.width = RS_DMA_WIDTH_16;
if (rs_dma_config_validate(RS_DMA_CHANNEL_BULK, &config) != RS_EINVAL) {
return 2;
}
config.width = RS_DMA_WIDTH_32;
config.byte_count = 6U;
if (rs_dma_config_validate(RS_DMA_CHANNEL_BULK, &config) != RS_EINVAL) {
return 3;
}
config.byte_count = 64U;
config.kind = RS_DMA_KIND_MM_TO_STREAM;
config.request = RS_DMA_REQUEST_I2S_TX;
config.destination = (uintptr_t)0U;
if (rs_dma_config_validate(RS_DMA_CHANNEL_BULK, &config) != RS_OK) {
return 4;
}
config.source_increment = false;
if (rs_dma_config_validate(RS_DMA_CHANNEL_BULK, &config) != RS_EINVAL) {
return 5;
}
return 0;
}
static int test_ps2_decoders(void) {
ps2_keyboard_decoder_t keyboard;
ps2_mouse_decoder_t mouse;
@@ -402,10 +444,12 @@ static int test_video_parser(void) {
int main(void) {
const int results[] = {
test_string_helpers(), test_formatter(), test_compiler_helpers(), test_wait_helper(),
test_ws2812_helpers(), test_timer_helpers(), test_psram_helpers(), test_sdram_helpers(),
test_uart_helpers(), test_i2s_helpers(), test_i2c_helpers(), test_gpio_helpers(),
test_ps2_decoders(), test_wav_parser(), test_video_parser(),
test_string_helpers(), test_formatter(), test_compiler_helpers(),
test_wait_helper(), test_ws2812_helpers(), test_timer_helpers(),
test_psram_helpers(), test_sdram_helpers(), test_uart_helpers(),
test_i2s_helpers(), test_i2c_helpers(), test_gpio_helpers(),
test_dma_config_validation(), test_ps2_decoders(), test_wav_parser(),
test_video_parser(),
};
for (size_t index = 0U; index < (sizeof(results) / sizeof(results[0])); ++index) {