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Optimize matmul CRC-only path

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FallenSigh
2026-07-04 16:13:26 +08:00
parent 094157ff05
commit 1540087071
4 changed files with 139 additions and 150 deletions
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12
sdk/software/examples/asm/user-sample.c
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@@ -1,7 +1,7 @@
/**
* user-sample - CIC-IEC 2026 Stage 3 Evaluation Program
*
* Matmul AXI-master path.
* Matmul AXI-master CRC-only path.
*/
#include <dma.h>
@@ -41,12 +41,8 @@ unsigned long UART_BASE = 0xbf000000;
#define EXTRAM_BASE_UNCACHED (0xA0000000 | (EXTRAM_BASE_PHYS & 0x1FFFFFFF))
#define SRC_BASE_WORDS 0
#define DST_BASE_WORDS (SRC_BASE_WORDS + MATMUL_GROUP_NUM * 32)
#define RESULT_WORDS (MATMUL_GROUP_NUM * 48)
/* ExtRAM Physical Addresses for DMA */
/* ExtRAM physical address for matrix inputs. */
#define EXTRAM_PHYS_AB(g) (EXTRAM_BASE_PHYS + (SRC_BASE_WORDS * 4) + (g) * 128)
#define EXTRAM_PHYS_C(g) (EXTRAM_BASE_PHYS + (DST_BASE_WORDS * 4) + (g) * 192)
/* ─── MATMUL IP registers (Ping-Pong Memory Map) ──────────────────── */
#define MATMUL_BASE_PHYS 0x1f500000
@@ -55,10 +51,8 @@ unsigned long UART_BASE = 0xbf000000;
#define MATMUL_CTRL (MATMUL_BASE_UNCACHED + 0x000)
#define MATMUL_STATUS (MATMUL_BASE_UNCACHED + 0x004)
#define MATMUL_DMA_SRC_BASE (MATMUL_BASE_UNCACHED + 0x020)
#define MATMUL_DMA_DST_BASE (MATMUL_BASE_UNCACHED + 0x024)
#define MATMUL_DMA_GROUPS (MATMUL_BASE_UNCACHED + 0x028)
#define MATMUL_DMA_SRC_STRIDE (MATMUL_BASE_UNCACHED + 0x02C)
#define MATMUL_DMA_DST_STRIDE (MATMUL_BASE_UNCACHED + 0x030)
#define CTRL_START_B0 0x1
#define CTRL_START_B1 0x2
@@ -92,10 +86,8 @@ int main(void)
*(volatile unsigned int *)MATMUL_CRC = 0;
*mat_status = STATUS_DMA_DONE | STATUS_DONE | STATUS_ERROR;
*(volatile unsigned int *)MATMUL_DMA_SRC_BASE = EXTRAM_PHYS_AB(0);
*(volatile unsigned int *)MATMUL_DMA_DST_BASE = EXTRAM_PHYS_C(0);
*(volatile unsigned int *)MATMUL_DMA_GROUPS = MATMUL_GROUP_NUM;
*(volatile unsigned int *)MATMUL_DMA_SRC_STRIDE = 128;
*(volatile unsigned int *)MATMUL_DMA_DST_STRIDE = 192;
*mat_ctrl = CTRL_DMA_START;
while (!(*mat_status & STATUS_DMA_DONE)) {}
*mat_status = STATUS_DMA_DONE;